STEP I: Females of childbearing potential (FCBP)* must have a negative serum or urine pregnancy test with a sensitivity of at least 50 mIU/mL within 10-14 days prior to and again within 24 hours of starting lenalidomide and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking lenalidomide throughout the entire duration of study treatment, and for 28 days after the last dose of lenalidomide; FCBP must also agree to ongoing pregnancy testing; all patients must be counseled at a minimum of every 28 days about pregnancy precautions and risks of fetal exposure; female subjects must agree to use contraception or abstinence for 30 days after last dose of carfilzomib\r\n* A female of childbearing potential is any woman, regardless of sexual orientation or whether they have undergone tubal ligation, who meets the following criteria: 1) has not undergone a hysterectomy or bilateral oophorectomy; or 2) has not been naturally postmenopausal for at least 24 consecutive months (i.e., has had menses at any time in the preceding 24 consecutive months STEP II: Females of childbearing potential (FCBP)* must have a negative serum or urine pregnancy test with a sensitivity of at least 50 mIU/mL within 10-14 days prior to and again within 24 hours of starting lenalidomide and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking lenalidomide throughout the entire duration of study treatment, and for 28 days after the last dose of lenalidomide; FCBP must also agree to ongoing pregnancy testing; all patients must be counseled at a minimum of every 28 days about pregnancy precautions and risks of fetal exposure\r\n* A female of childbearing potential is any woman, regardless of sexual orientation or whether they have undergone tubal ligation, who meets the following criteria: 1) has not undergone a hysterectomy or bilateral oophorectomy; or 2) has not been naturally postmenopausal for at least 24 consecutive months (i.e., has had menses at any time in the preceding 24 consecutive months Not pregnant and not nursing\r\n* Females of childbearing potential (FCBP), defined as a female who 1) has achieved menarche (first menstrual cycle) at some point, or 2) has not undergone a hysterectomy (the surgical removal of the uterus) or bilateral oophorectomy (the surgical removal of both ovaries), or 3) has not been naturally postmenopausal for at least 24 consecutive months (i.e., has had menses at any time during the preceding 24 consecutive months):\r\n** Must have a negative serum or urine pregnancy test with a sensitivity of a least 50 mIU/mL within 10-14 days prior to registration and again within 24 hours of starting lenalidomide\r\n** Must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking lenalidomide\r\n** Must agree to ongoing pregnancy testing\r\n* Men must agree to use a latex condom during sexual contact with a FCBP even if they have had a vasectomy Females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 25 mIU/mL within 10 – 14 days and again within 24 hours prior to starting cycle 1 of lenalidomide; further, they must either commit to complete abstinence (true abstinence is acceptable when this is in line with the preferred and usual lifestyle of the subject; periodic abstinence [e.g., calendar, ovulation, symptothermal or post ovulation methods] and withdrawal are not acceptable methods of contraception) from heterosexual intercourse or begin TWO acceptable methods of birth control: one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before starting lenalidomide; while taking lenalidomide, during dose interruptions, and for at least 28 days after the last dose of lenalidomide; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP, even if they have had a successful vasectomy; a FCBP is a female who: 1) has achieve menarche at some point; 2) has not undergone a hysterectomy or bilateral oophorectomy; or 3) has not been naturally postmenopausal (amenorrhea following cancer therapy does not rule out childbearing potential) for at least 24 consecutive months (i.e., has had menses at any time in the preceding 24 consecutive months); all patients must be counseled by a trained counselor every 28 days about pregnancy precautions and risks of fetal exposure; NOTE: patients not randomized to receive lenalidomide will not be required to undergo serial pregnancy testing or lenalidomide counseling after registration A female of childbearing potential is a sexually mature female who: 1) has not undergone a hysterectomy or bilateral oophorectomy; or 2) has not been naturally postmenopausal for at least 24 consecutive months (i.e., has had menses at any time in the preceding 24 consecutive months)\r\n* Women of childbearing potential:\r\n** Must have a negative serum or urine pregnancy test with a sensitivity of at least 25 mlU/ml no more than 14 days prior to registration and must agree to repeat this test within 24 hours of starting pomalidomide\r\n** Must either commit to complete abstinence from heterosexual contact or begin TWO acceptable methods of birth control, one highly effective method and one additional effective (barrier) method, AT THE SAME TIME, before starting pomalidomide\r\n** Must agree to ongoing pregnancy testing\r\n** Must agree to not become pregnant or breast feed a child during treatment on this protocol\r\n* Men must practice complete abstinence or agree to use a condom during sexual contact with a female of childbearing potential, even if they have had a successful vasectomy\r\n* Note: All participants must be counseled at a minimum of every 28 days about pregnancy precautions and risks of fetal exposure RE-REGISTRATION ELIGIBILITY CRITERIA (STEP 2): \r\n* Women of childbearing potential:\r\n** Must have a negative serum or urine pregnancy test within 72 hours prior to re-registration\r\n** Must either commit to complete abstinence from heterosexual contact or begin TWO acceptable methods of birth control, one highly effective method and one additional effective (barrier) method, AT THE SAME TIME, before starting pomalidomide\r\n** Must agree to ongoing pregnancy testing\r\n** Must agree to not become pregnant or breast feed a child during treatment on this protocol\r\n* Men must practice complete abstinence or agree to use a condom during sexual contact with a female of childbearing potential, even if they have had a successful vasectomy\r\n* Note: All participants must be counseled at a minimum of every 28 days about pregnancy precautions and risks of fetal exposure If a sexually-active male, must agree to use a latex condom during any sexual contact with females of child bearing potential while participating in the study and for 3 months following last dose of TB-403. FCBP must agree to use 2 reliable forms of contraception simultaneously or to practice complete abstinence from heterosexual intercourse during the following time periods related to this study: 1) for at least 28 days before starting lenalidomide; 2) while participating in the study; and 3) for at least 28 days after discontinuation from the study Male subjects must agree to use a latex condom during sexual contact with females of childbearing potential while participating in the study and for at least 28 days following discontinuation from the study even if he has undergone a successful vasectomy Females of childbearing potential (FCBP)\r\n* A female of childbearing potential is a sexually mature woman who: 1) has not undergone a hysterectomy or bilateral oophorectomy; or 2) has not been naturally postmenopausal for at least 24 consecutive months\r\n* Females of childbearing potential must have a negative serum beta-human chorionic gonadotropin (beta-hCG) pregnancy test with a sensitivity of at least 50mIU/ml, within 10-14 days of study start (during screening)\r\n* ARM 3 FCBP must also have a negative pregnancy test within 24 hours prior to prescribing lenalidomide in cycle 1\r\n* In addition, ARM 3 FCBP must have prescriptions filled within 7 days (as required by RevAssist) and must either commit to continued abstinence from heterosexual intercourse or begin two acceptable methods of birth control, one highly effective method and one additional effective method at the same time, at least 28 days before she starts taking lenalidomide\r\n* FCBP must also agree to ongoing pregnancy testing. Pregnancy testing is not required for post-menopausal or surgically sterilized women\r\n* Females must agree to avoid pregnancy during the study and must agree to use a medically acceptable method of birth control as determined by the study doctor while participating in Men must agree to use contraception (i.e. a latex condom) during sexual contact with a FCBP even if they have had a successful vasectomy and agree to not donate sperm for 90 days after last study therapy (SAR650984, lenalidomide and carfilzomib) All patients must agree to use effective contraception while on study, and all patients must agree to undergo counseling sessions every 28 days about pregnancy precautions and risks of fetal exposure\r\n* Females of childbearing potential (FCBP) must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control: one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before starting lenalidomide, during lenalidomide therapy, during dose interruptions, and for at least 28 days following discontinuation of lenalidomide therapy\r\n* Males receiving lenalidomide must agree to use a latex condom during any sexual contact with FCBPs even if they have undergone a successful vasectomy\r\n* NOTE: a FCBP is any woman (regardless of sexual orientation, having undergone a tubal ligation, or remaining celibate by choice) who meets the following criteria:\r\n** Has not undergone a hysterectomy or bilateral oophorectomy\r\n** Has not been naturally postmenopausal for at least 12 consecutive months (i.e., has had menses at any time in the preceding 12 consecutive months)\r\n* FCBP should be referred to a qualified provider of contraceptive methods, if needed Females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 25 mIU/mL within 10–14 days and again within 24 hours prior to starting cycle 1 of pomalidomide and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking pomalidomide; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy; all subjects must be counseled on day 1 of each cycle (or at a minimum of every 28 days) and at drug discontinuation about pregnancy precautions and risks of fetal exposure Male subjects must agree to use a latex condom during sexual contact with females of childbearing potential while participating in the study and for at least 28 days following discontinuation from the study even if he has undergone a successful vasectomy FCBP must agree to ongoing pregnancy testing Females of childbearing potential (FCBP)1 must: Females of childbearing potential (FCBP) must agree to use two reliable forms of contraception simultaneously or have or will have complete abstinence from heterosexual intercourse during the following time periods related to this study: 1) while participating in the study; and 2) for at least 28 days after discontinuation from the study; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy; FCBP must be referred to a qualified provider of contraceptive methods if needed; FCBP must have a negative serum pregnancy test at screening Females of childbearing potential (FCBP) must agree to use two reliable forms of contraception simultaneously or have or will have complete abstinence from heterosexual intercourse during the following time periods related to this study: 1) while participating in the study; and 2) for at least 90 days after discontinuation from the study; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy; FCBP must be referred to a qualified provider of contraceptive methods if needed; FCBP must have a negative serum pregnancy test at screening Female patients who are postmenopausal for at least 1 year before the screening visit or are surgically sterile; females of childbearing potential* must have a negative serum or urine pregnancy test with a sensitivity of at least 50 mIU/mL within 10 – 14 days and again within 24 hours prior to prescribing lenalidomide for cycle 1 (prescriptions must be filled within 7 days as required by Revlimid REMS) and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking lenalidomide; female patients must agree to practice two effective methods of birth control from the time of signing the informed consent form though 90 days after the last dose of study drug\r\n* A female of childbearing potential is a sexually mature female who:\r\n** Has not undergone a hysterectomy (the surgical removal of the uterus) or bilateral oophorectomy (the surgical removal of both ovaries) or\r\n** Has not been naturally postmenopausal (amenorrhea following cancer therapy does not rule out childbearing potential) for at least 24 consecutive months (i.e., has had menses at any time during the preceding 24 consecutive months) Females of childbearing potential (FCBP)* must have a negative serum or urine pregnancy test with a sensitivity of at least 50 mIU/mL within 10 – 14 days prior to and again within 24 hours of starting lenalidomide and ixazomib and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking lenalidomide through 90 days after the last dose of study drug; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a vasectomy from the time of signing the informed consent form through 90 days after the last dose of study drug; in the event that the male patients choose to agree to practice true abstinence, this must follow the timelines detailed above; all patients assigned to the lenalidomide treatment group must be registered in and must comply with all requirements of the Revlimid Risk Evaluation and Mitigation Strategy (REMS) program\r\n* A female of childbearing potential is a sexually mature woman who: 1) has not undergone a hysterectomy or bilateral oophorectomy; or 2) has not been naturally postmenopausal for at least 24 consecutive months Females of childbearing potential (FCBP)* must have a negative serum pregnancy test with a sensitivity of at least 50 mIU/mL within 10-14 days prior to and again within 24 hours prior to prescribing pomalidomide for cycle 1 (prescriptions must be filled within 7 days as required by RevAssist [lenalidomide REMS program]), and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method; AT THE SAME TIME, at least 28 days before she starts taking pomalidomide FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy; patient must follow pregnancy testing requirements as outlined in the POMALYST REMS program\r\n* A female of childbearing potential is a sexually mature woman who: 1) has not undergone a hysterectomy or bilateral oophorectomy; or 2) has not been naturally postmenopausal for at least 24 consecutive months (i.e., has had menses at any time in the preceding 24 consecutive months) Women of childbearing potential and sexually active males must agree to use 2 methods of an accepted and effective method of contraception and counseled on the potential teratogenic effects of lenalidomide; effective contraception must be used by patients for at least 4 weeks before beginning lenalidomide therapy, during lenalidomide therapy, during dose interruptions and for 4 weeks following discontinuation of lenalidomide therapy; reliable contraception is indicated even where there has been a history of infertility, unless due to hysterectomy or because the patient has been postmenopausal naturally for at least 24 consecutive months; two reliable forms of contraception must be used simultaneously unless continuous abstinence from heterosexual sexual contact is the chosen method; females of childbearing potential should be referred to a qualified provider of contraceptive methods, if needed; sexually mature females who have not undergone a hysterectomy or who have not been postmenopausal naturally for at least 24 consecutive months (i.e., who have had menses at some time in the preceding 24 consecutive months) are considered to be females of childbearing potential; it is not known whether CC-5013 (lenalidomide) is present in the semen of patients receiving the drug; therefore, males receiving CC-5013 (lenalidomide) must always use a latex condom during any sexual contact with females of childbearing potential even if they have undergone a successful vasectomy Women of childbearing potential and men must agree to use adequate contraception; females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test within 10–14 days and again within 24 hours prior to prescribing lenalidomide for cycle 1 (prescriptions must be filled within 7 days) and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking lenalidomide; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy; all patients must be counseled at a minimum of every 28 days about pregnancy precautions and risks of fetal exposure; should a woman become pregnant or suspect she is pregnant while she or her partner is participating in this study, she should inform her treating physician immediately; in regards to carfilzomib, FCBP must agree to use at least one method of effective contraception for at least 30 days after the last dose of carfilzomib and males must agree to use contraception and not to donate sperm for at least 90 days after the last dose of carfilzomib\r\n* A female of childbearing potential is a sexually mature female who: 1) has not undergone a hysterectomy or bilateral oophorectomy; or 2) has not been naturally postmenopausal for at least 24 consecutive months (i.e., has had menses at any time in the preceding 24 consecutive months) Women of childbearing potential must follow pregnancy testing requirements as outlined in the Revlimid Risk Evaluation and Mitigation Strategy (REMS) program material; this is defined as either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of contraception (one highly effective method and one additional effective method (AT THE SAME TIME) at least 28 days prior to the start of lenalidomide, for the duration of study participation, and for 28 days following the last doses of brentuximab vedotin and lenalidomide; women of childbearing potential must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a woman of childbearing potential even if they have had a successful vasectomy; all patients must be counseled at a minimum of every 28 days about pregnancy precautions and risks of fetal exposure; should a woman become pregnant or suspect she is pregnant while participating in this study, she must inform her treating physician immediately Females of childbearing potential (FCBP) or men who have sexual contact with FCBP unwilling to use contraceptive techniques (Appendix D) during the length of lenalidomide maintenance therapy. Females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 25 mIU/mL within 10 – 14 days prior to and again within 24 hours of starting lenalidomide and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking lenalidomide; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy; all patients must be counseled at a minimum of every 28 days about pregnancy precautions and risks of fetal exposure Females of childbearing potential (FCBP) must agree to pregnancy testing and to practice contraception Practice true abstinence or agree to use a condom during sexual contact with a pregnant female or a female of child bearing potential while participating in the study, during dose interruptions and for at least 28 days following pomalidomide discontinuation, even if he has undergone a successful vasectomy or practices complete abstinence. Female of child bearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 25 mIU/mL or equivalent units of human chorionic gonadotropin (HCG) within 10 – 14 days prior to and again within 24 hours of starting lenalidomide and study drug and must either commit to continue abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 4 weeks before she starts taking lenalidomide through 4 weeks after the last dose of lenalidomide and 5 half-lives after elotuzumab plus 30 days (duration of ovulatory cycle) for a total of 120 days post-last dose of elotuzumab; FCBP must also agree to ongoing pregnancy testing during the entire duration of treatment; males must agree to use a latex or synthetic condom during sexual contact with a FCBP even if they have had a vasectomy from the time of signing the informed consent form through 28 days after the last dose of lenalidomide and 5 half-lives of elotuzumab plus 90 days (duration of sperm turnover) for a total of 180 days post-last dose of elotuzumab; these same patients must not donate sperm; all patients must be counseled at a minimum of every 28 days about pregnancy precautions and risks of fetal exposure; all patients prior to taking lenalidomide, must be registered in and must comply with all requirements of the lenalidomide Risk Evaluation and Mitigation Strategies (REMS) program For this trial, male subjects must practice abstinence or agree to use a condom during sexual contact with a pregnant female or a female of childbearing potential while participating in the study, during dose interruptions and for 6 months following protocol discontinuation, even if he has undergone a successful vasectomy Male subjects must agree to use a latex condom during sexual contact with females of childbearing potential even if they have had a successful vasectomy starting with the first dose of study therapy through 120 days after the last dose of study therapy Lenalidomide-related inclusion criteria:\r\n* Able to take aspirin (81 mg or 325 mg) daily, warfarin, low molecular weight heparin, or equivalent anticoagulation as prophylactic medication\r\n* All study participants must be registered into the mandatory REVLIMID Risk Evaluation and Mitigation Strategies (REMS) program, and be willing and able to comply with the requirements of REMS\r\n* Females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 50 mIU/mL within 10 – 14 days prior to and again within 24 hours prior to starting REVLIMID and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking REVLIMID; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy; all patients must be counseled at a minimum of every 28 days about pregnancy precautions and risks of fetal exposure\r\n* For women, effective contraception is required to continue for >= 12 months after the last dose of obinutuzumab, or 28 days after the last dose of lenalidomide, whichever is later; for men, effective contraception is required to continue for 3 months after the last dose of obinutuzumab treatment, or 28 days after the last dose of lenalidomide, whichever is later\r\n* Females of reproductive potential must adhere to the scheduled pregnancy testing as required in the REVLIMID REMS program\r\n** A female of childbearing potential is a sexually mature woman who: 1) has not undergone a hysterectomy or bilateral oophorectomy; or 2) has not been naturally postmenopausal for at least 24 consecutive months (i.e., has had menses at any time in the preceding 24 consecutive months) Male subjects must practice true abstinence or agree to use a condom during sexual contact with a pregnant female or a female of childbearing potential while participating in the study, during dose interruptions and for 30 days following treatment discontinuation, even if he has undergone a successful vasectomy FCBP must agree to use 2 reliable forms of contraception simultaneously or to practice complete abstinence from heterosexual intercourse during the following time periods related to this study: 1) for at least 28 days before starting lenalidomide; 2) while participating in the study; and 3) for at least 28 days after discontinuation from the study Male subjects must agree to use a latex condom during sexual contact with females of childbearing potential while participating in the study and for at least 28 days following discontinuation from the study even if he has undergone a successful vasectomy Females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 25 mIU/mL within 14 days prior to and again within 24 hours before starting lenalidomide and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking lenalidomide; females of reproductive potential must adhere to the scheduled pregnancy testing as required in the Revlimid REMS program; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a vasectomy; all subjects must be counseled at a minimum of every 28 days about pregnancy precautions and risks of fetal exposure Men must agree to use a latex or synthetic condom during sexual contact with a pregnant female or a female who can become pregnant, for the duration of the study and for at least 4 weeks after the last drug administration, even if they have undergone a successful vasectomy. Male subjects must practice true abstinence or agree to use a condom during sexual contact with a pregnant female or a female of childbearing potential while participating in the study, during dose interruptions and for 6 months following IP discontinuation, even if he has undergone a successful vasectomy Male subjects must practice true abstinence or agree to use a condom during sexual contact with a pregnant female or female of childbearing potential starting with the first dose of study therapy, during dose interruptions, and for up to 6 months following last dose of study therapy, even if he has undergone a successful vasectomy Male subjects must practice true abstinence or agree to use a condom during sexual contact with a pregnant female or a female of childbearing potential while participating in the study, during dose interruptions and for 6 months following IP discontinuation, even if he has undergone a successful vasectomy Females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 25 mIU/mL within 14 days prior to and again within 24 hours before starting pomalidomide and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking pomalidomide; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a vasectomy; all subjects must be counseled at a minimum of every 28 days about pregnancy precautions and risks of fetal exposure Men must agree to use a latex condom and a second form of birth control during sexual contact with WOCBP, even if they have had a successful vasectomy, and must agree not to donate sperm during study drug therapy and for 90 days after therapy Women of childbearing potential must follow pregnancy testing requirements as outlined in the Revlimid Risk Evaluation and Mitigation Strategy (REMS) program material; this is defined as either committing to continued abstinence from heterosexual intercourse or beginning TWO acceptable methods of contraception (one highly effective method and one additional effective method AT THE SAME TIME) at least 28 days prior to the start of lenalidomide, for the duration of study participation, and for 28 days following the last dose of lenalidomide; women of childbearing potential must also agree to ongoing pregnancy testing Men must agree to use a latex condom during sexual contact with a woman of childbearing potential even if they have had a successful vasectomy; all patients must be counseled at a minimum of every 28 days about pregnancy precautions and risks of fetal exposure; should a woman become pregnant or suspect she is pregnant while participating in this study, she must inform her treating physician immediately Females of childbearing potential (FCBP)* must have a negative serum or urine pregnancy test (within 30 days of initiation of protocol therapy) and must be willing to use acceptable methods of birth control; men must agree to use a latex condom during sexual contact with a female of childbearing potential even if they have had a successful vasectomy\r\n* A female of childbearing potential is a sexually mature woman who: 1) has not undergone a hysterectomy or bilateral oophorectomy; or 2) has not been naturally postmenopausal for at least 24 consecutive months (i.e., has had menses at any time in the preceding 24 consecutive months) Females of childbearing potential (FCBP) must have a negative serum and/or urine pregnancy test with a sensitive of at least 50 mIU/mL within 10-14 days and again within 24 hours prior to prescribe lenalidomide for cycle 1 (prescriptions must be filled within 7 days as required by Revlimid REMS) and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking lenalidomide; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy Females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 50 mIU/mL within 10-14 days prior to and again within 24 hours of starting lenalidomide and LDE225 and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking lenalidomide and LDE225; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy; all patients must be counseled at a minimum of every 28 days about pregnancy precautions and risks of fetal exposure; a female of childbearing potential is any woman, regardless of sexual orientation or whether they have undergone tubal ligation, who meets the following criteria: has not undergone a hysterectomy or bilateral oophorectomy; or has not been naturally postmenopausal for at least 24 consecutive months (i.e., has had menses at any time in the preceding 24 consecutive months) Females of childbearing potential (FCBP) must agree to ongoing pregnancy testing and to practice contraception Females of childbearing potential (FCBP) must have a negative serum pregnancy test with a sensitivity of at least 50 mIU/mL within 10-14 days prior to and again within 24 hours of prescribing lenalidomide and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 4 weeks before she starts taking lenalidomide; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a female of child bearing potential even if they have had a successful vasectomy\r\n* A female of childbearing potential is a sexually mature woman who: 1) has not undergone a hysterectomy or bilateral oophorectomy; or 2) has not been naturally postmenopausal for at least 24 consecutive months (i.e., has had menses at any time in the preceding 24 consecutive months) Females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 50 mIU/mL within 10 – 14 days and again within 24 hours prior to prescribing lenalidomide for cycle 1 (prescriptions must be filled within 7 days as required by the Revlimid REMS program) and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking lenalidomide; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy Females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 25 mIU/mL within 10 –– 14 days prior to and again within 24 hours of starting pomalidomide and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking pomalidomide; FCBP must also agree to ongoing pregnancy testing Male patients must agree to never have unprotected sexual contact with a female who can become pregnant and must agree to either completely abstain from sexual contact with females who are pregnant or are able to become pregnant, or he must use a latex condom every time he engages in sexual contact with females who are pregnant or may become pregnant while he is taking pomalidomide and for 1 week after he stops taking the drug, even if he has had a successful vasectomy; the patient must agree to inform his physician if he has had unprotected sexual contact with a female who can become pregnant or if he thinks for any reason that his sexual partner may be pregnant; male patients cannot donate semen or sperm while taking pomalidomide and for at least 1 week days after completing the study Men must agree to use a latex condom during sexual contact with females of child bearing potential even if they have had a successful vasectomy Women of childbearing potential and men must agree to using medically approved (i.e., mechanical or pharmacological) contraceptive measure for at least 112 days following the last dose of sotatercept (ACE-011); males must agree to use a latex condom or non-latex condom NOT made of natural (animal) membrane during any sexual contact with females of childbearing potential or a pregnant female while participating in the study and for at least 112 days following the last dose of sotatercept (ACE-011), even if he has a vasectomy Females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 25 mIU/mL within 14 days prior to and again within 24 hours before starting pomalidomide and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking pomalidomide; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a vasectomy; all subjects must be counseled at a minimum of every 28 days about pregnancy precautions and risks of fetal exposure Females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 50 mIU/mL within 10-14 days and again within 24 hours prior to prescribing lenalidomide for cycle 1 (prescriptions must be filled within 7 days as required by Revlimid REMS) and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking lenalidomide; FCBP must also adhere to the scheduled pregnancy testing required in the Revlimid REMS; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy Females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 50 mIU/mL 10-14 days prior to and again within 24 hours before starting lenalidomide and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking lenalidomide; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy; all patients must be counseled at a minimum of every 28 days about pregnancy precautions and risks of fetal exposure\r\n* A female of childbearing potential is a sexually mature woman who: 1) has not undergone a hysterectomy or bilateral oophorectomy; or 2) has not been naturally postmenopausal for at least 24 consecutive months (i.e., has had menses at any time in the preceding 24 consecutive months) Females of childbearing potential (FCBP)† must have a negative serum or urine pregnancy test with a sensitivity of at least 50 mIU/mL within 10 - 14 days prior to and again within 24 hours of starting lenalidomide and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking lenalidomide. FCBP must also agree to ongoing pregnancy testing. Men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy. All patients must be counseled at a minimum of every 28 days about pregnancy precautions and risks of fetal exposure. Male patients must be willing to use a latex condom during any sexual contact with females of childbearing potential during and for six months after the last infusion of tisotumab vedotin, even after having undergone a successful vasectomy. If male, agrees to use a latex condom during any sexual contact with a female of child-bearing potential. Men must agree to use a latex condom during sexual contact with females of child bearing potential even if they have had a successful vasectomy Male subjects must practice true abstinence or agree to use a condom during sexual contact with a female of childbearing potential or a pregnant female while on treatment (including during dose interruptions) with gemcitabine/cisplatin/nab-paclitaxel and for 6 months following gemcitabine/cisplatin/nab- paclitaxel discontinuation, even if he has undergone a successful vasectomy. Females of child-bearing potential (defined as a sexually mature woman who [1] has not undergone hysterectomy [the surgical removal of the uterus] or bilateral oophorectomy [the surgical removal of both ovaries] or [2] has not been naturally postmenopausal for at least 24 consecutive months [i.e., has had menses at any time during the preceding 24 consecutive months]) must:\r\n* Either commit to true abstinence* from heterosexual contact (which must be reviewed on a monthly basis), or agree to use and be able to comply with effective contraception without interruption 28 days prior to starting investigation product (IP) therapy (including dose interruptions), and while on study medication or for a longer period if required by local regulations following the last dose of IP; and\r\n* Have a negative serum pregnancy test (beta-human chorionic gonadotropin [hCG]) result at screening and agree to ongoing pregnancy testing prior to each treatment and after the end of study therapy; this applies even if the subject practices true abstinence from heterosexual contact\r\n* Male subjects must practice true abstinence or agree to use a condom during sexual contact with a pregnant female or a female of childbearing potential while participating in the study, during dose interruptions and for 6 months following IP discontinuation, even if he has undergone a successful vasectomy\r\n* NOTE: True abstinence is acceptable when this is in line with the preferred and usual lifestyle of the subject; (periodic abstinence [eg, calendar, ovulation, symptothermal, post-ovulation methods] and withdrawal are not acceptable methods of contraception) Men must agree 1) to use a latex condom during sexual contact with a female of childbearing potential (FCBP) even if they have had a vasectomy from the time of signing the informed consent form through 90 days after the last dose of lenalidomide and ibrutinib; 2) to not donate sperm during and after the study. Females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 50 mIU/mL within 10-14 days prior to and again within 24 hours of starting lenalidomide and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking lenalidomide through 90 days and ibrutinib through 30 days after the last dose of study drug. FCBP must also agree to ongoing pregnancy testing. Females of childbearing potential (FCBP)* must have a negative serum or urine pregnancy test prior to initiation of the study treatment with TEW-7197 /POM; the test must have a sensitivity of at least 50 mIU/mL; study participants who are FCBP must either commit to continued abstinence from heterosexual intercourse or begin two acceptable methods of birth control, one highly effective method and one additional effective method at the same time, at least 28 days before she starts taking POM through 30 days after the last dose of POM and 60 days after the last dose of TEW-7197; FCBP must also agree to ongoing pregnancy testing during the entire duration of treatment; all patients must be counseled at a minimum of every 28 days about pregnancy precautions and risks of fetal exposure; all patients enrolled into this trial, must agree to be registered in and must comply with all requirements of the POM REMS program\r\n* A female of childbearing potential (FCBP) is a sexually mature female who: 1) has not undergone a hysterectomy or bilateral oophorectomy; or 2) has not been naturally postmenopausal for at least 24 consecutive months (i.e., has had menses at any time in the preceding 24 consecutive months) Male subjects must agree to use a latex or synthetic condom during sexual contact with a FCBP even if they have had a vasectomy from the time of signing the informed consent form through 60 days after the last dose of POM or TEW-7197; male subjects must not donate sperm; all patients must be counseled at a minimum of every 28 days about pregnancy precautions and risks of fetal exposure; all patients enrolled into this trial, must agree to be registered in and must comply with all requirements of the POM REMS program All post-menarchal females must have a negative beta-human chorionic gonadotropin (HCG); males and females of reproductive age and childbearing potential must use effective contraception for the duration of their participation; females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 25 mIU/mL within 10–14 days and again within 24 hours prior to prescribing lenalidomide for cycle 1 and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking lenalidomide; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy This protocol defines a female of childbearing potential (FCCBP) as a sexually mature female (at least Tanner 2) who: 1) has not undergone a hysterectomy or bilateral oophorectomy or 2) has not been naturally postmenopausal (amenorrhea following cancer therapy does not rule out childbearing potential) for at least 24 consecutive months (i.e., has had menses at any time in the preceding 24 consecutive months)\r\n* Criteria for female children of childbearing potential (FCCBP)\r\n** This protocol defines FCCBP as females who have:\r\n*** Achieved menarche and/or breast development in Tanner stage 2 or greater\r\n*** Has not undergone a hysterectomy or bilateral oophorectomy; \r\n*** Note: amenorrhea following cancer therapy does not rule out childbearing potential\r\n* Criteria for female children not of childbearing potential (FCBCBP)\r\n** This protocol defines FCNCBP as females:\r\n*** Who have not yet experienced menarche or breast development in Tanner stage 2\r\n*** Who have undergone a hysterectomy or bilateral oophorectomy\r\n* Females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 25 mIU/mL within 10 – 14 days and again within 24 hours prior to starting course 1 of lenalidomide; further, they must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control: one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before starting lenalidomide; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP, even if they have had a successful vasectomy; a FCBP is a sexually mature female (Tanner stage 2) who: 1) has not undergone a hysterectomy or bilateral oophorectomy; or 2) has not been naturally postmenopausal for at least 24 consecutive months (i.e., has had menses at any time in the preceding 24 consecutive months); all patients must be counseled by a trained counselor every 28 days about pregnancy precautions and risks of fetal exposure\r\n* Male subjects\r\n** Appropriate male subjects (i.e. those who have reached puberty and are sexually active) will be counseled regarding birth control methods; they must agree to use a latex condom during sexual contact with females of childbearing potential while participating in the study and for at least 28 days following discontinuation from the study even if he has undergone a successful vasectomy\r\n** Appropriate male patients will be given a reproductive risks handout and counseled by a provider; for sexually active patients, the counseling session, consent and counseling checklist will be documented monthly Females of childbearing potential* must have a negative serum or urine pregnancy test with a sensitivity of at least 50 mIU/mL within 10 – 14 days and again within 24 hours prior to prescribing lenalidomide for cycle 1 (prescriptions must be filled within 7 days as required by Revlimid REMS) and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking lenalidomide\r\n* A female of childbearing potential is a sexually mature female who: 1) has not undergone a hysterectomy (the surgical removal of the uterus) or bilateral oophorectomy (the surgical removal of both ovaries) or 2) has not been naturally postmenopausal (amenorrhea following cancer therapy does not rule out childbearing potential) for at least 24 consecutive months (i.e., has had menses at any time during the preceding 24 consecutive months) Men must agree to use a latex condom during sexual contact with a female of childbearing potential even if they have had a successful vasectomy Females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 25 mIU/mL within 10 - 14 days prior to and again within 24 hours of starting cycle 1 of lenalidomide and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking lenalidomide; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy; a FCBP is a sexually mature woman who: 1) has not undergone a hysterectomy or bilateral oophorectomy; or 2) has not been naturally postmenopausal for at least 24 consecutive months (i.e., has had menses at any time in the preceding 24 consecutive months); all patients must be counseled by a trained counselor every 28 days about pregnancy precautions and risks of fetal exposure All subjects and/or parents/guardians must have an understanding that lenalidomide could have a potential teratogenic risk. Female Children of Childbearing Potential, defined as females who have achieved menarche and/or breast development in Tanner Stage 2 or greater and have not undergone a hysterectomy or bilateral oophorectomy and FCBP defined as a sexually mature woman who has not undergone a hysterectomy or bilateral oophorectomy and has not been naturally postmenopausal for at least 24 consecutive months (ie, has had menses at any time in the preceding 24 consecutive months) must meet the following conditions below (Note: Amenorrhea following cancer therapy does not rule out childbearing potential): - Medically supervised serum pregnancy tests with a sensitivity of at least 25 mIU/mL must be conducted in FCCBP/FCBP, including those who commit to complete abstinence*. FCCBP/FCBP must have two pregnancy tests (with a minimum sensitivity of 25 mIU/mL) prior to starting treatment with lenalidomide. The first pregnancy test must be performed within 10 - 14 days prior to the start of lenalidomide treatment and the second pregnancy test must be performed within 24 hours prior to starting treatment with lenalidomide. NOTE: The pregnancy test 10 to 14 days prior to initiation of lenalidomide may be omitted, at the discretion of the investigator, for any FCCBP/FCBP who has high acuity disease requiring immediate treatment with lenalidomide. The pregnancy test within 24 hours prior to the first dose of lenalidomide is required to be performed. The subject may not receive Investigational Product (IP) until the Investigator has verified that the results of these pregnancy tests performed on Cycle 1 Day 1 are negative. FCCBP/FCBP with regular or no menstrual cycles must agree to have pregnancy tests weekly for the first 28 days of study participation and then every 28 days while on study, at study Treatment Discontinuation Visit, and at Day 28 following IP discontinuation. If menstrual cycles are irregular, the pregnancy testing must occur weekly for the first 28 days and then every 14 days while on study, at study Treatment Discontinuation Visit, and at Days 14 and 28 following IP discontinuation. Must practice true abstinence* or agree to use a condom during sexual contact with a pregnant female or a female of childbearing potential while participating in the study, during dose interruptions and for at least 28 days following lenalidomide discontinuation, even if he has undergone a successful vasectomy or practices complete abstinence. agree to complete abstinence from heterosexual contact or use a condom during sexual contact with a female of child bearing potential while receiving study medication and within 6 months after last dose of study medication, even if he has undergone a successful vasectomy. Females of childbearing potential (FCBP) or a man who has sexual contact with a FCBP and is unwilling to use effective birth control for the duration of the study. Male subjects agree in writing to use a condom during sexual contact with a pregnant female or a female of childbearing potential while participating in the study, during dose interruptions and for 7 months following IP discontinuation, even if he has undergone a successful vasectomy. Practice true abstinence2 (which must be reviewed on a monthly basis) or agree to use a condom during sexual contact with a pregnant female or a FCBP while participating in the study, during dose interruptions and for at least 90 days following study treatment discontinuation, even if he has undergone a successful vasectomy. Either practice true abstinence3 from heterosexual contact (which must be reviewed on a monthly basis) or agree to avoid fathering a child, to use highly effective methods of contraception, male condom plus spermicide during sexual contact with a pregnant female or a female of childbearing potential (even if he has undergone a successful vasectomy) from starting dose of IP (Cycle 1 Day 1), including dose interruptions through 90 days after receipt of the last dose of durvalumab or azacitidine. Females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 25 mIU/mL within 10–14 days prior to and again within 24 hours of starting lenalidomide and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking lenalidomide; FCBP must also agree to ongoing pregnancy testing; a female of childbearing potential is any woman, regardless of sexual orientation or whether they have undergone tubal ligation, who meets the following criteria: 1) has not undergone a hysterectomy or bilateral oophorectomy; or 2) has not been naturally postmenopausal for at least 24 consecutive months (i.e., has had menses at any time in the preceding 24 consecutive months) Men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy; all patients must be counseled at a minimum of every 28 days about pregnancy precautions and risks of fetal exposure Effective contraception must be used by patients participating in lenalidomide therapy, and all patients must agree to counseling by a trained counselor every 28 days about pregnancy precautions and risks of fetal exposure; females of childbearing potential (FCBP) must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control: one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before starting lenalidomide, during lenalidomide therapy, during dose interruptions, and for at least 28 days following discontinuation of lenalidomide therapy; females of childbearing potential should be referred to a qualified provider of contraceptive methods, if needed; males receiving lenalidomide must agree to use a latex condom during any sexual contact with females of childbearing potential even if they have undergone a successful vasectomy Females of childbearing potential (FCBP) must: Females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 25 mIU/mL within 10-14 days and again within 24 hours prior to starting cycle 1 of lenalidomide; further, they must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control: one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before starting lenalidomide; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP, even if they have had a successful vasectomy; a FCBP is a sexually mature woman who: 1) has not undergone a hysterectomy or bilateral oophorectomy; or 2) has not been naturally postmenopausal for at least 24 consecutive months (i.e., has had menses at any time in the preceding 24 consecutive months); all patients must be counseled by a trained counselor every 28 days about pregnancy precautions and risks of fetal exposure Women of childbearing potential must follow pregnancy testing requirements; this is defined as either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of contraception (one highly effective method and one additional effective method AT THE SAME TIME at least 28 days prior to the start of lenalidomide, for the duration of study participation, and for 28 days following the last doses of brentuximab vedotin and lenalidomide; women of childbearing potential must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a woman of childbearing potential even if they have had a successful vasectomy; all patients must be counseled at a minimum of every 28 days about pregnancy precautions and risks of fetal exposure; should a woman become pregnant or suspect she is pregnant while participating in this study, she must inform her treating physician immediately Females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 25 mIU/mL within 10 – 14 days prior to registration; (Note: that pregnancy testing is also required within 24 hours prior to treatment on cycle 1, day 1); furthermore, they must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control: one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before starting lenalidomide; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP, even if they have had a successful vasectomy; a FCBP is a sexually mature woman who: 1) has not undergone a hysterectomy or bilateral oophorectomy; or 2) has not been naturally postmenopausal for at least 24 consecutive months (i.e., has had menses at any time in the preceding 24 consecutive months) Females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 25 mIU/mL within 10 – 14 days and again within 24 hours prior to prescribing lenalidomide for re-induction/consolidation (prescriptions must be filled within 7 days as required by Revlimid REMS) and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking lenalidomide; FCBP must also agree to ongoing pregnancy testing\r\n* A FCBP is a sexually mature female who: 1) has not undergone a hysterectomy or bilateral oophorectomy; or 2) has not been naturally postmenopausal for at least 24 consecutive months (i.e., has had menses at any time in the preceding 24 consecutive months) Men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy Females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 50 mIU/mL within 10-14 days prior to and again within 24 hours prior to prescribing lenalidomide for cycle 1 (prescriptions must be filled within 7 days as required by Revlimid REMS™) and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking lenalidomide; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy Male participants who disagree to practice true abstinence or disagree to use a condom during sexual contact with a pregnant female or a female of childbearing potential while participating in the study, during dose interruptions and at least 3 months following study treatment discontinuation, even if he has undergone a successful vasectomy. Men must agree to use a latex condom during sexual contact with females of child bearing potential even if they have had a successful vasectomy Females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 25 mIU/mL within 10-14 days and again within 24 hours prior to starting cycle 1 of lenalidomide and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking lenalidomide; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy, all patients must be counseled at a minimum of every 28 days about pregnancy precautions and risks of fetal exposure Females of childbearing potential (FCBP) must agree to use two reliable forms of contraception simultaneously or to practice complete abstinence from heterosexual intercourse during the following time periods related to this study/lenalidomide: for at least 28 days before starting lenalidomide; while participating in the study including interruptions in therapy; and for at least 28 days after discontinuation/stopping lenalidomide; the two methods of reliable contraception must include one highly effective method (i.e. intrauterine device (IUD), hormonal (birth control pills, injections, or implants, tubal ligation, partner’s vasectomy) and one additional effective (barrier) method (i.e. latex condom, diaphragm, cervical cap); FCBP must be referred to a qualified provider of contraceptive methods if needed All males, regardless of whether they have undergone a successful vasectomy, must agree to use a latex condom during sexual contact with a female of childbearing potential, or to practice complete abstinence from heterosexual intercourse with any female of childbearing potential during all cycles of study treatment and for at least 28 days following discontinuation of protocol treatment Females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 50 mIU/mL within 14 days prior to and again within 24 hours of starting thalidomide and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 4 weeks before she starts taking thalidomide; FCBP must also agree to ongoing pregnancy testing; men must agree to use a condom during sexual contact with a female of child bearing potential even if they have had a successful vasectomy; all patients must be counseled at a minimum of every 28 days about pregnancy precautions and risks of fetal exposure\r\n* A female of childbearing potential is a sexually mature woman who: 1) has not undergone a hysterectomy or bilateral oophorectomy; or 2) has not been naturally postmenopausal for at least 24 consecutive months (i.e., has had menses at any time in the preceding 24 consecutive months) Female patients who are postmenopausal for at least 1 year before the screening visit or are surgically sterile; females of childbearing potential must have a negative serum or urine pregnancy test with a sensitivity of at least 25 mIU/mL within 10 – 14 days and again within 24 hours prior to prescribing lenalidomide for cycle 1 (prescriptions must be filled within 7 days as required by Revlimid Risk Evaluation and Mitigation Strategy [REMS]) and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking lenalidomide; females of reproductive potential must agree to follow instructions for method(s) of contraception for the duration of treatment with any study drug(s) plus 5 half-lives of study plus 30 days (duration of ovulatory cycle) for a total of 120 days after their last dose of lenalidomide (Revlimid); women must not breastfeed\r\n* Female patients who are of childbearing potential must use contraception for 5 half-lives plus 30 days after their last dose of nivolumab for a total of 5 months\r\n* A female of childbearing potential is a sexually mature female who:\r\n** Has not undergone a hysterectomy (the surgical removal of the uterus) or bilateral oophorectomy (the surgical removal of both ovaries) or\r\n** Has not been naturally postmenopausal (amenorrhea following cancer therapy does not rule out childbearing potential) for at least 24 consecutive months (i.e., has had menses at any time during the preceding 24 consecutive months) Females of childbearing potential (FCBP) must agree to use two reliable forms of contraception simultaneously or have or will have complete abstinence from heterosexual intercourse during the following time periods related to this study: while participating in the study and for at least 28 days after discontinuation from the study; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy; FCBP must be referred to a qualified provider of contraceptive methods if needed Females of childbearing potential must have a negative serum pregnancy test with a minimum sensitivity of 50 mIU/mL and agree to use two medically accepted forms of contraception from the time of initial screening through completion of the study or to practice complete abstinence from heterosexual intercourse during the following time periods related to this study: \r\n* For at least 28 days before starting lenalidomide \r\n* Throughout the entire duration of lenalidomide treatment\r\n* During dose interruptions\r\n* For at least 28 days after lenalidomide discontinuation. Men must agree to use a latex condom during sexual contact with females of child bearing potential even if they have had a successful vasectomy Men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy Females of reproductive potential must adhere to the scheduled pregnancy testing as required in the Revlimid Risk Evaluation and Mitigation Strategy (REMS) program; females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 50 uL/mL 10 to14 days prior to therapy and repeated again within 24 hours prior to prescribing lenalidomide for cycle 1 (prescriptions must be filled within 7 days as required by Revlimid REMS program) and must either commit to complete abstinence from heterosexual contact or begin TWO acceptable methods of birth control, one highly effective method and one additional effective (barrier) method, AT THE SAME TIME, at least 28 days before she starts taking lenalidomide; females of child bearing potential (FCBP) must also agree to ongoing pregnancy testing; men must practice complete abstinence or agree to use a condom during sexual contact with a FCBP even if they have had a successful vasectomy; all study participants must be registered into the mandatory Revlimid REMS program, and be willing and able to comply with the requirements of the REMS program; a female of childbearing potential is a sexually mature female who:\r\n* Has not undergone a hysterectomy (the surgical removal of the uterus) or bilateral oophorectomy (the surgical removal of both ovaries)\r\n* Has not been naturally postmenopausal (amenorrhea following cancer therapy does not rule out childbearing potential) for at least 24 consecutive months (i.e., has had menses at any time during the preceding 24 consecutive months) Females of childbearing potential (FCBP) must agree to use two reliable forms of contraception simultaneously or have or will have complete abstinence from heterosexual intercourse during the following time periods related to this study: 1) while participating in the study; and 2) for at least 28 days after discontinuation from the study; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy; FCBP must be referred to a qualified provider of contraceptive methods if needed Females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 50 mIU/mL within 10-14 days prior to and again within 24 hours of starting lenalidomide and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking lenalidomide through 90 days after the last dose of study drug; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a vasectomy from the time of signing the informed consent form through 90 days after the last dose of study drug; all patients must be registered in and must comply with all requirements of the Revlimid (lenalidomide) Risk Evaluation and Mitigation Strategy (REMS) program Women of reproductive potential must adhere to the scheduled pregnancy testing as required in the Revlimid REMS program; men must agree to use a latex condom during sexual contact with a female of childbearing potential (FCBP) even if they have had a successful vasectomy\r\n* A female of reproductive potential is a sexually mature female who: has not undergone a hysterectomy or bilateral oophorectomy; or has not been naturally postmenopausal for at least 24 consecutive months (i.e. has had menses at any time in the preceding 24 consecutive months) Females of childbearing potential must have a negative serum or urine pregnancy test with a sensitivity of at least 50 mIU/mL within 10 - 14 days and again within 24 hours prior to prescribing lenalidomide for cycle 1 (prescriptions must be filled within 7 days as required by Revlimid Risk Evaluation and Mitigation Strategy [REMS]) and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking lenalidomide\r\n* A female of childbearing potential is a sexually mature female who:\r\n** Has not undergone a hysterectomy (the surgical removal of the uterus) or bilateral oophorectomy (the surgical removal of both ovaries) or\r\n** Has not been naturally postmenopausal (amenorrhea following cancer therapy does not rule out childbearing potential) for at least 24 consecutive months (i.e., has had menses at any time during the preceding 24 consecutive months) Men must agree to use a latex condom during sexual contact with a female of childbearing potential even if they have had a successful vasectomy Females of childbearing potential (FCBP)* must have a negative serum or urine pregnancy test with a sensitivity of at least 25 mIU/mL within 10 – 14 days prior to and again within 24 hours of starting pomalidomide and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking pomalidomide; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a vasectomy; all patients must be counseled\r\nat a minimum of every 28 days about pregnancy precautions and risks of fetal exposure\r\n* A female of childbearing potential is a sexually mature woman who: 1) has not undergone a hysterectomy or bilateral oophorectomy; or 2) has not been naturally postmenopausal for at least 24 consecutive months (i.e., has had menses at any time in the preceding 24 consecutive months) Females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 25 mIU/mL within 10-14 days prior to and again within 24 hours of starting pomalidomide or MLN9708 and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking pomalidomide or MLN9708 through 90 days after the last dose of study drug; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a vasectomy from the time of signing the informed consent form through 90 days after the last dose of study drug; all patients must be counseled at a minimum of every 28 days about pregnancy precautions and risks of fetal exposure Men who did not agree not to father a child and who refused to use a latex condom during any sexual contact with women of childbearing potential while taking lenalidomide and for 4 weeks after therapy is stopped, even if they have undergone a successful vasectomy Female who is able to become pregnant must have a negative pregnancy test with a sensitivity of at least 25 mIU/mL within 10-14 days prior to and again within 24 hours of starting pomalidomide; female who is able to become pregnant must either commit to continued abstinence from heterosexual intercourse or begin two acceptable methods of birth control, one highly effective and one additional effective method at the same time; female who is able to become pregnant must agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with female who is able to become pregnant even if they had vasectomy for the duration of study participation, and 28 days after completion of pomalidomide administration; all patients must be counseled at a minimum of every 28 days about pregnancy precautions and risks of fetal exposure while taking pomalidomide; should a woman become pregnant or suspect she is pregnant while she or her partner is participating in this study, she should inform her treating physician immediately Females of child bearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 25 mIU/mL within 10 - 14 days prior to, and again within 24 hours of starting pomalidomide and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking pomalidomide. FCBP must also agree to ongoing pregnancy testing. Men must agree to use a latex condom during sexual contact with a FCBP even if they have had a vasectomy. All patients must be counseled at a minimum of every 28 days about pregnancy precautions and risks of fetal exposure. Risks of Fetal Exposure, Pregnancy Testing Guidelines and Acceptable Birth Control Methods,and Education and Counseling Guidance must be followed per protocol Females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 50 mlU/mL 10 to 14 days prior to therapy and repeated again within 24 hours of starting lenalidomide and must either commit to complete abstinence from heterosexual contact or begin TWO acceptable methods of birth control, one highly effective method and one additional effective (barrier) method, AT THE SAME TIME, at least 28 days before she starts taking lenalidomide; FCBP must also agree to ongoing pregnancy testing; men must practice complete abstinence or agree to use a condom during sexual contact with a FCBP even if they have had a successful vasectomy; all participants agree to enroll and comply with the RevAssist program for the prevention of pregnancy\r\n* A female of childbearing potential is a sexually mature female who: 1) has not undergone a hysterectomy (the surgical removal of the uterus) or bilateral oophorectomy (the surgical removal of both ovaries) or 2) has not been naturally postmenopausal (amenorrhea following cancer therapy does not rule out childbearing potential) for at least 24 consecutive months (i.e., has had menses at any time during the preceding 24 consecutive months) Females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test within 10 – 14 days and again within 24 hours prior to prescribing lenalidomide for cycle 1 (prescriptions must be filled within 7 days) and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking lenalidomide; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy\r\n* A female of childbearing potential is a sexually mature female who: 1) has not undergone a hysterectomy or bilateral oophorectomy; or 2) has not been naturally postmenopausal for at least 24 consecutive months (i.e., has had menses at any time in the preceding 24 consecutive months) Non-pregnant and non-nursing; females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 25 mIU/mL within 10-14 days prior to and again within 24 hours of starting cycle 1 of lenalidomide; further, they must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control: one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before starting lenalidomide and for 28 days after the last dose of study drug; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy; a FCBP is a female who: 1) has achieved menarche at some point, 2) has not undergone a hysterectomy or bilateral oophorectomy; or 3) has not been naturally postmenopausal (amenorrhea following cancer therapy does not rule out childbearing potential) for at least 24 consecutive months (i.e., has had menses at any time in the preceding 24 consecutive months); all patients must be counseled by a trained counselor every 28 days about pregnancy precautions and risks of fetal exposure Females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 25 mIU/mL within 10 - 14 days and again within 24 hours prior to starting cycle 1 of pomalidomide and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking pomalidomide; FCBP must also agree to ongoing pregnancy testing and follow pregnancy testing requirements as outlined in the POMALYST REMS program; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy; all patients must be counseled at a minimum of every 28 days about pregnancy precautions and risks of fetal exposure Females of childbearing potential (FCBP) must have a negative pregnancy test (sensitivity of at least 25 mIU/mL) performed once before ibrutinib and a total of two negative tests before initiating lenalidomide; a FCBP is a sexually mature woman who: 1) has achieved menarche at some point; 2) has not undergone a hysterectomy or bilateral oophorectomy; or 3) has not been naturally postmenopausal for at least 24 consecutive months (i.e., has had menses at any time in the preceding 24 consecutive months); the pre- ibrutinib pregnancy test will be initiated at enrollment; the first pre-lenalidomide test will be performed within 10-14 days of starting lenalidomide (cycle 0, day 15), and the second pre- lenalidomide test (3rd total test) will be within 24 hours of the first dose of lenalidomide; the patient may not receive lenalidomide until the study doctor has verified that the results of these pregnancy tests are negative; pregnancy tests (if applicable) are then to be conducted weekly during the first month, and monthly thereafter in women with a regular menstrual cycle, as well as at study discontinuation, and at day 28 following study discontinuation; if menstrual cycles are irregular, pregnancy testing will be conducted weekly for the first month, and then every 14 days while on the study, at study discontinuation, and at days 14 and 28 following study drug discontinuation; pregnancy testing and counseling are to be performed if a patient misses her period or if there is any abnormality in menstrual bleeding; should a woman become pregnant or suspect she is pregnant while she is participating in this study, she should inform her treating physician immediately; further, FCBP must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control: one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before starting lenalidomide; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP, even if they have had a successful vasectomy; male and female patients, must agree to use highly effective methods of birth control (e.g. condoms, implants, injectables, combined oral contraceptives, some intrauterine devices [IUDs], complete sexual abstinence, or sterilized partner) during the period of therapy and for 90 days after the last dose of study drug; all patients must be counseled by a trained counselor every 28 days about pregnancy precautions and risks of fetal exposure Male subjects must agree to use a latex condom during sexual contact with females of childbearing potential while participating in the study and for at least 28 days following discontinuation from the study even if he has undergone a successful vasectomy Females of reproductive potential must adhere to the scheduled pregnancy testing as required in the Revlimid REMS program; men must agree to use a latex condom during sexual contact with a female of childbearing potential (FCBP) even if they have had a successful vasectomy\r\n* A female of childbearing potential is a sexually mature female who: 1) has not undergone a hysterectomy or bilateral oophorectomy; or 2) has not been naturally postmenopausal for at least 24 consecutive months (i.e., has had menses at any time in the preceding 24 consecutive months) Females: two effective contraceptive methods should be used during therapy, during therapy interruptions, and for at least 4 weeks after completing therapy; males: must always use a latex condom during any sexual contact with females of childbearing potential, even if they have undergone a successful vasectomy Females of reproductive potential must adhere to the scheduled pregnancy testing as required in the POMALYST Risk Evaluation and Mitigation Strategy (REMS)™ program; females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 25 mIU/mL within 10-14 days and again within 24 hours prior to prescribing pomalidomide (prescriptions must be filled within 7 days) and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking pomalidomide; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy; all patients must be counseled at a minimum of every 28 days about pregnancy precautions and risks of fetal exposure; all study participants must be registered into the mandatory POMALYST REMS™ program, and be willing and able to comply with the requirements of the POMALYST REMS™ program\r\n* A female of childbearing potential is a sexually mature female who: 1) has not undergone a hysterectomy or bilateral oophorectomy; or 2) has not been naturally postmenopausal for at least 24 consecutive months (i.e., has had menses at any time in the preceding 24 consecutive months) Females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 50 mIU/mL within 10-14 days and again within 24 hours prior to prescribing lenalidomide for cycle 1 (prescriptions must be filled within 7 days as required by RevAssist) and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking lenalidomide; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy Females of childbearing potential (FCBP)* must have a negative serum or urine pregnancy test with a sensitivity of at least 25 mIU/mL within 10-14 days prior to and again within 24 hours of starting pomalidomide and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking pomalidomide; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a vasectomy; all patients must be counseled at a minimum of every 28 days about pregnancy precautions and risks of fetal exposure\r\n* A female of childbearing potential is a sexually mature woman who: 1) has not undergone a hysterectomy or bilateral oophorectomy; or 2) has not been naturally postmenopausal for at least 24 consecutive months (i.e., has had menses at any time in the preceding 24 consecutive months) Agree to adhere to methods of contraception and other fertility control measures as prescribed by the protocol\r\n* Women of child-bearing potential and men must agree to use effective forms of contraception (hormonal or barrier method of birth control; abstinence) prior to study entry and for the duration of study participation; should a woman become pregnant or suspect she is pregnant while she or her partner is participating in this study, she should inform her treating physician immediately\r\n* Female subjects\r\n** Females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 25 mIU/mL within 10-14 days prior to and again within 24 hours of starting pomalidomide and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking pomalidomide; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a vasectomy; all patients must be counseled 28 days about pregnancy precautions and risks of fetal exposure through the POMALYST Risk Evaluation and Mitigation Strategy (REMS)™ program\r\n* Male subjects\r\n** Must agree to use a latex condom during sexual contact with females of childbearing potential while participating in the study and for at least 28 days following discontinuation of study drug even if he has undergone a successful vasectomy\r\n** Will be warned that sharing study drug is prohibited and will be counseled about pregnancy precautions and potential risks of fetal exposure\r\n** Must agree to abstain from donating blood, semen, or sperm during study participation and for at least 28 days after discontinuation of study drug\r\n** Must agree that if a pregnancy or a positive pregnancy test does occur in a study subject or the partner of a male study subject during study participation, study drug must be immediately discontinued\r\n* Patients must agree to not share study drug with anyone during participation in the study Females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 50 mIU/mL prior to receiving treatment with lenalidomide, and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking lenalidomide; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy Female of childbearing potential must have a negative serum or urinary pregnancy test with a sensitivity of at least 50 mIU/mL 10-14 days prior to and again within 24 hours of prescribing lenalidomide for Cycle 1 and must either commit to continued abstinence or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method at the same time, at least 28 days prior to taking lenalidomide. Also agree to ongoing pregnancy testing. If male, including those who have had a vasectomy, must agree to use a latex condom during any sexual contact with a female of childbearing potential. Female patients of childbearing potential (including those who commit to complete abstinence) are not eligible unless they agree to ongoing pregnancy testing and counseling every 28 days about pregnancy precautions and risks of fetal exposure Females of reproductive potential must adhere to the scheduled pregnancy testing as required in the Revlimid REMS program; Females of childbearing potential (FCBP) must have a negative serum pregnancy test with a sensitivity of at least 5.1 IU/L within 10–14 days and again within 24 hours prior to receiving lenalidomide for cycle 1 and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking lenalidomide; FCBPs must also agree to ongoing pregnancy testing and for 28 days after receiving their last dose of lenalidomide\r\n* A female of childbearing potential is a sexually mature female who: 1) has not undergone a hysterectomy or bilateral oophorectomy; or 2) has not been naturally postmenopausal for at least 24 consecutive months (i.e., has menses at any time in the preceding 24 consecutive months Men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy Females of childbearing potential (FCBP)* must have a negative serum or urine pregnancy test with a sensitivity of at least 50 mIU/mL within 10-14 days and again within 24 hours prior to prescribing lenalidomide for cycle 1 (prescriptions must be filled within 7 days) and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking lenalidomide; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy\r\n* A female of childbearing potential is a sexually mature female who\r\n** Has not undergone a hysterectomy or bilateral oophorectomy; or\r\n** Has not been naturally postmenopausal for at least 24 consecutive months (i.e., has had menses at any time in the preceding 24 consecutive months) Females of childbearing potential (FCBP)† must have a negative serum or urine pregnancy test with a sensitivity of at least 50 mIU/mL within 10 - 14 days and again within 24 hours prior to prescribing lenalidomide for Cycle 1 (prescriptions must be filled within 7 days). FCBP must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking lenalidomide. FCBP must also agree to ongoing pregnancy testing. Men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy. See Appendix: Risks of Fetal Exposure, Pregnancy Testing Guidelines and Acceptable Birth Control Methods. Females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 50 mIU/mL 10-14 days prior to therapy and repeated again within 24 hours of starting lenalidomide and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking lenalidomide; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy Females of childbearing potential (FCBP)† must have a negative serum or urine pregnancy test with a sensitivity of at least 50 mIU/mL 10 - 14 days prior to and again within 24 hours of starting lenalidomide and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 4 weeks before she starts taking lenalidomide. FCBP must also agree to ongoing pregnancy testing. Men must agree not to father a child and agree to use a condom if his partner is of child bearing potential. All patients must be counseled at a minimum of every 28 days about pregnancy precautions and risks of fetal exposure. If a female of childbearing potential (FCBP), patient must agree to use two reliable forms of contraception simultaneously or to practice complete abstinence from heterosexual intercourse during the following time periods related to this study: 1) for at least 28 days before starting study drug; 2) while participating in the study; and 3) for at least 28 days after discontinuation from the study; the two methods of reliable contraception must include one highly effective method (i.e. intrauterine device [IUD], hormonal [birth control pills, injections, or implants], tubal ligation, partner’s vasectomy) and one additional effective (barrier) method (i.e. latex condom, diaphragm, cervical cap); FCBP must be referred to a qualified provider of contraceptive methods if needed\r\n* A FCBP is defined as a sexually mature woman who: 1) has not undergone a hysterectomy or bilateral oophorectomy; or 2) has not been naturally postmenopausal for at least 24 consecutive months (i.e., has had menses at any time in the preceding 24 consecutive months) If male, patient must agree to use a latex condom during sexual contact with FCBP while participating in the study and for at least 28 days following discontinuation from the study even if he has undergone a successful vasectomy Females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 50 mIU/mL within 10 - 14 days prior to and again within 24 hours of starting Revlimid and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking Revlimid; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy; all patients must be counseled at a minimum of every 28 days about pregnancy precautions and risks of fetal exposure Females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 50 mIU/mL within 10 - 14 days prior to and again within 24 hours of prescribing lenalidomide (prescriptions must be filled within 7 days) and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking lenalidomide; FCBP must also agree to ongoing pregnancy testing Men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy Females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 50 mIU/mL within 10-14 days prior to and again within 24 hours prior to the first prescription for lenalidomide (prescriptions must be filled within 7 days) and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking lenalidomide FCBP must also agree to ongoing pregnancy testing Men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy Females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test within 10-14 days and again within 24 hours prior to prescribing lenalidomide for cycle 1 (prescriptions must be filled within 7 days) and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking lenalidomide; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy\r\n* A female of childbearing potential is a sexually mature female who: 1) has not undergone a hysterectomy or bilateral oophorectomy; or 2) has not been naturally postmenopausal for at least 24 consecutive months (i.e., has had menses at any time in the preceding 24 consecutive months) Females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 50 mIU/mL within 10 - 14 days prior to and again within 24 hours of prescribing lenalidomide (prescriptions must be filled within 7 days) and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, as least 28 days before she starts taking lenalidomide; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy Females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 50 mIU/mL within 10-14 days prior to and again within 24 hours prior to prescribing lenalidomide for cycle 1 (prescriptions must be filled within 7 days) and must either commit to continuous abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking lenalidomide; FCBP must also agree to ongoing pregnancy testing; men must agree not to father a child and agree to use a latex condom during sexual contact with females of child bearing potential even if they have had a vasectomy Females of childbearing potential (FCBP)† must: Commit to continued abstinence from heterosexual contact or agree to use a condom during sexual contact with a FCBP, even if they have had a vasectomy, throughout study drug therapy, during any dose interruption and after cessation of study therapy. Females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 50 mIU/mL within 10-14 days and again within 24 hours prior to prescribing lenalidomide for cycle 1 (prescriptions must be filled within 7 days as required by Revlimid REMS) and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking lenalidomide; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy Females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 50 mIU/mL within 10-14 days prior to enrollment and again within 24 hours of starting PF-03084014 and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable barrier methods of birth control (one of which is used by the partner) AT THE SAME TIME, at least 28 days before she starts taking PF-03084014, during receipt of PF-03084014, and 6 months after discontinuation of PF-03084014; documentation of the second method is by patient report; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy\r\n* A female of childbearing potential is a sexually mature woman who: 1) has not undergone a hysterectomy or a bilateral oophorectomy; or 2) has not been naturally postmenopausal for at least 24 consecutive months (i.e., has had menses at any time in the preceding 24 consecutive months) Females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 50 mIU/mL within 10 – 14 days and again within 24 hours prior to prescribing lenalidomide for cycle 1 (prescriptions must be filled within 7 days as required by RevAssist) and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking lenalidomide; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy Patients must be willing to practice appropriate birth control methods during the study and for 28 days after their participation in the treatment portion of the study is concluded; females of childbearing potential (FCBP*) must have a negative serum or urine pregnancy test with a sensitivity of at least 50 mIU/mL within 10-14 days and again within 24 hours prior to prescribing cycle 1 of lenalidomide (prescriptions must be filled within 7 days as required by RevAssist) and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking lenalidomide; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy; all patients must be counseled at a minimum of every 28 days about pregnancy precautions and risks of fetal exposure\r\n* A female of childbearing potential is a sexually mature female who: 1) has not undergone a hysterectomy or bilateral oophorectomy; or 2) has not been naturally postmenopausal (amenorrhea following cancer therapy does not rule out childbearing potential) for at least 24 consecutive months (i.e., has had menses at any time in the preceding 24 consecutive months) Females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 25 mIU/mL within 10 – 14 days and again within 24 hours prior to starting cycle 1 of lenalidomide; further, they must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control: one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before starting lenalidomide; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP, even if they have had a successful vasectomy; all patients must be counseled at a minimum of every 28 days about pregnancy precautions and risks of fetal exposure Females of childbearing potential (FCBP)* must have a negative serum or urine pregnancy test with a sensitivity of at least 25 mIU/mL within 14 days prior to enrollment and again within 24 hours prior to starting cycle 1 of sEphB4-HSA; further, they must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control: one highly effective method and one additional effective method AT THE SAME TIME during receipt of sEphB4-HSA, and 12 weeks after discontinuation of sEphB4-HSA; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy\r\n* A female of childbearing potential is a sexually mature woman who: 1) has not undergone a hysterectomy or bilateral oophorectomy; or 2) has not been naturally postmenopausal for at least 24 consecutive months (i.e., has had menses at any time in the preceding 24 consecutive months) Male subjects must practice true abstinence or agree to use a condom during sexual contact with a pregnant female or a female of childbearing potential while participating in the study, during dose interruptions and for 6 months following treatment discontinuation, even if he has undergone a successful vasectomy Females of childbearing potential* must have a negative serum or urine pregnancy test with a sensitivity of at least 50 mIU/mL within 10 - 14 days and again within 24 hours prior to prescribing lenalidomide for cycle 1 (prescriptions must be filled within 7 days as required by Revlimid REMS) and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking lenalidomide\r\n* A female of childbearing potential is a sexually mature female who: 1) has not undergone a hysterectomy (the surgical removal of the uterus) or bilateral oophorectomy (the surgical removal of both ovaries) or 2) has not been naturally postmenopausal (amenorrhea following cancer therapy does not rule out childbearing potential) for at least 24 consecutive months (i.e., has had menses at any time during the preceding 24 consecutive months) Men must agree to use a latex condom during sexual contact with a female of childbearing potential even if they have had a successful vasectomy Females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 50 mIU/mL within 10 -14 days and again within 24 hours prior to prescribing lenalidomide prescriptions must be filled within 7 days as required by Revlimid REMS® and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking lenalidomide; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy Men must use a latex condom during any sexual contact with women of childbearing potential, even if they have undergone a successful vasectomy and must agree to avoid to father a child (while on therapy and for 3 month after the last dose of crenolanib). practice true abstinence* or agree to use a condom during sexual contact with a pregnant female or a female of childbearing potential while participating in the study, during dose interruptions and for at least 6 months following study drug discontinuation, even if he has undergone a successful vasectomy. Females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 50 mIU/mL within 10–14 days and again within 24 hours prior to prescribing lenalidomide for cycle 1 (prescriptions must be filled within 7 days as required by Revlimid REMS®) and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking lenalidomide; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy Men must agree to use a latex condom during sexual contact with females of child bearing potential even if they have had a successful vasectomy Females of childbearing potential (FCBP)* must have a negative serum pregnancy test with a sensitivity of at least 50 mIU/mL within 10 – 14 days prior to and again within 24 hours prior to prescribing lenalidomide for cycle 1 (prescriptions must be filled within 7 days as required by Revlimid Risk Evaluation and Mitigation Strategy [REMS]), and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking lenalidomide; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy; all study participants must be registered into the Revlimid REMS program, and be willing and able to comply with the requirements of Revlimid REMS program\r\n* A female of childbearing potential is a sexually mature woman who: 1) has not undergone a hysterectomy or bilateral oophorectomy; or 2) has not been naturally postmenopausal for at least 24 consecutive months (i.e., has had menses at any time in the preceding 24 consecutive months) Females of childbearing potential (FCBP) must agree to ongoing pregnancy testing and to practice contraception Females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 50 mIU/mL 10 – 14 days prior to study enrollment and again within 24 hours of prescribing lenalidomide (prescriptions must be filled within 7 days) and must either commit to continued abstinence from heterosexual intercourse or begin two acceptable methods of birth control, one highly effective method and one additional effective method at the same time, at least 28 days before she starts taking lenalidomide; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy Pregnant or breast feeding women and males who do not agree to use condom during the sexual contact with females of childbearing potential. Female subjects must be postmenopausal for at least 1 year before the screening visit or surgically sterilized; if females are of childbearing potential, they must:\r\n* Have a negative serum pregnancy test with a sensitivity of at least 25 mIU/mL at study screening; additional mandatory pregnancy tests will be performed as specified; compliance with ongoing pregnancy testing is required for study participation\r\n* Either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at the time of signing the informed consent through 28 days after the last dose of any study medication All patients must agree to follow the requirements for lenalidomide counseling, pregnancy testing and birth control; for women of childbearing potential (WOCBP) this includes pregnancy testing prior to prescribing lenalidomide and to either commit to continued\r\nabstinence from heterosexual intercourse or begin acceptable methods of birth control for 28 days prior to prescribing lenalidomide, during therapy and for 28 days after the last dose of lenalidomide; WOCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a WOCBP even if they have had a successful vasectomy and must agree not to donate semen during study drug therapy and for a period of time after therapy; all patients must abstain from donating blood, agree not to share lenalidomide with others and be counseled about the risks of lenalidomide Females of childbearing potential: confirmation that the subject is not pregnant must be established by a negative serum beta-human chorionic gonadotropin (beta-hCG) pregnancy test result obtained during screening; pregnancy testing is not required for post-menopausal or surgically sterilized women; females with child bearing potential (FCBP) must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy; (FCBP - A female of childbearing potential is a sexually mature woman who: 1) has not undergone a hysterectomy or bilateral oophorectomy; or 2) has not been naturally postmenopausal for at least 24 consecutive months) Females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 50 mIU/mL within 10 – 14 days and again within 24 hours prior to starting Cycle 1 of lenalidomide (prescriptions must be filled within 7 days as required by RevAssist) and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking lenalidomide; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy Males must agree to use a latex condom during any sexual during the study and for 28 days following discontinuation from this study Females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 50 mIU/mL within 10-14 days prior to and again within 24 hours of prescribing lenalidomide (prescriptions must be filled within 7 days) and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking lenalidomide; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy Females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 50 mIU/mL within 10 – 14 days prior to and again within 24 hours of prescribing lenalidomide (prescriptions must be filled within 7 days) and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking lenalidomide; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy Negative urine pregnancy test in women of childbearing potential at screening and prior to prescribing lenalidomide. Females of childbearing potential (FCBP) must either commit to continued abstinence from heterosexual intercourse or begin acceptable methods of birth control for 28 days prior to prescribing lenalidomide. Men must agree to use a latex condom during sexual contact with FCBP even if they have had a successful vasectomy, and must agree not to donate semen during study drug therapy and for a period of time after therapy. Must agree to use a condom during sexual contact with a FCBP, even if they have had a vasectomy, throughout study drug therapy, during any dose interruption and after cessation of study therapy. Must practice complete abstinence or agree to use a condom during sexual contact with a pregnant female or a female of childbearing potential while participating in the study, during dose interruptions and for at least 28 days following study drug discontinuation, even if he has undergone a successful vasectomy. Male patients whose sexual partners are WOCBP and who are unable to use a latex condom during sexual contact (even if they have undergone a vasectomy) Females of child-bearing potential, defined as a sexually mature woman who (1) has not undergone hysterectomy or bilateral oophorectomy or (2) has not been naturally postmenopausal for at least 24 consecutive months must:\r\n* Either commit to true abstinence from heterosexual contact (which must be reviewed on a monthly basis), or agree to use, and be able to comply with, effective contraception without interruption, 28 days prior to starting intraperitoneal (IP) therapy (including dose interruptions), and while on study medication or for a longer period if required by local regulations following the last dose of IP\r\n* Negative serum pregnancy test done =< 7 days prior to registration and agree to ongoing pregnancy testing during the course of the study, and after the end of study therapy; this applies even if the subject practices true abstinence from heterosexual contact Male subjects must practice true abstinence or agree to use a condom during sexual contact with a pregnant female or a female of childbearing potential while participating in the study, during those interruptions and for 6 months following IP discontinuation, even if he has undergone a successful vasectomy Females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 50 mIU/mL prior to receiving treatment with lenalidomide, and must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before she starts taking lenalidomide; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy\r\n* Female of childbearing potential is a sexually mature female who: 1) has not undergone a hysterectomy or bilateral oophorectomy; or 2) has not been naturally postmenopausal for at least 24 consecutive months (i.e., has had menses at any time in the preceding 24 consecutive months) minorities are included in the eligibility criteria Females of childbearing potential (FCBP) must agree to use two reliable forms of contraception simultaneously or have or will have complete abstinence from heterosexual intercourse during the following time periods related to this study: 1) while participating in the study; and 2) for at least 28 days after discontinuation from the study; men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy; FCBP must be referred to a qualified provider of contraceptive methods if needed FCBP must have a negative serum or urine pregnancy test with a sensitivity of at least 50 mlU/mL within 10-14 days prior to and again within 24 hours of starting lenalidomide from heterosexual intercourse or begin two acceptable methods of birth control, one highly effective method and one additional effective method at the same time, at least 28 days before she starts taking lenalidomide FCBP must also agree to ongoing pregnancy testing (weekly for the first four weeks and then every 28 days while on therapy and at discontinuation of treatment) Men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy; all patients must be counseled at a minimum of every 28 days about pregnancy precautions and risks of fetal exposure Males must use latex condom or non-latex condom not made of (animal) membrane during any sexual contact with female of childbearing potential while participating in the study and for at least 112 days following the last dose of sotatercept, even if he has undergone successful vasectomy Females of childbearing potential (FCBP) or men who have sexual contact with FCBP unwilling to use 2 effective forms of birth control or abstinence for one year after transplantation Either practice true abstinence2 from heterosexual contact (which must be reviewed on a monthly basis) or agree to avoid fathering a child, to use highly effective methods of contraception, male condom plus spermicide during sexual contact with a pregnant female or a female of child bearing potential (even if he has undergone a successful vasectomy) from starting dose of IP (Cycle 1 Day 1), including dose interruptions through 90 days after receipt of the last dose of azacitidine.