Receipt of any type of small molecule kinase inhibitor (including investigational kinase inhibitor) within 2 weeks before planned first dose of study drug Receipt of any type of small molecule kinase inhibitor (including investigational kinase inhibitor) within 14 days before the first dose of study treatment. Note: Subjects with prostate cancer currently receiving luteinizing hormone releasing hormone (LHRH) or gonadotropin-releasing hormone (GnRH) agonists may be maintained on these agents The participant has received prior treatment with a small molecule kinase inhibitor or a hormonal therapy (including investigational kinase inhibitors or hormones) within 4 weeks or five half-lives of the compound or active metabolites, whichever is longer, before the first dose of study treatment; note: participants with prostate cancer currently receiving luteinizing hormone-releasing hormone (LHRH) or gonadotropin-releasing hormone (GnRH) agonists may be maintained on these agents Chemotherapy, monoclonal antibody, or small molecule kinase inhibitor =< 21 days prior to first administration of study treatment Receipt of any type of small molecule kinase inhibitor (including investigational kinase inhibitor) within 14 days before the first dose of study treatment The subject has received prior treatment with a small molecule kinase inhibitor or a hormonal therapy (including investigational kinase inhibitors or hormones) within 14 days or 5 half-lives of the compound or active metabolites, whichever is longer, before the first dose of study treatment -OR- the subject has ever taken Cabozantinib; Note: subjects with prostate cancer currently receiving luteinizing hormone releasing hormone (LHRH) or gonadotropin releasing hormone (GnRH) agonist may be maintained on these agents Receipt of any type of small molecule kinase inhibitor (including investigational kinase inhibitor) within 14 days before the first dose of study treatment; note: subjects with prostate cancer currently receiving luteinizing hormone-releasing hormone (LHRH) or gonadotropin-releasing hormone (GnRH) agonists may be maintained on these agents Receipt of any type of small molecular kinase inhibitor (including investigational kinase inhibitors) within 2 weeks of enrollment or receipt of any anti-cancer therapy (including investigational therapy, monoclonal antibodies, cytokine therapy) within 3 weeks of enrollment Receipt of any type of small molecule kinase inhibitor (including investigational kinase inhibitor) within 14 days before the first dose of study treatment The subject has received prior treatment with a small molecule kinase inhibitor or a hormonal therapy (including investigational kinase inhibitors or hormones) within 14 days or five half-lives of the compound or active metabolites, whichever is longer, before the first dose of study treatment Receipt of any type of small molecule kinase inhibitor (including investigational kinase inhibitor) within 14 days before the first dose of study treatment The subject has received prior treatment with a small molecule kinase inhibitor or a hormonal therapy (including investigational kinase inhibitors or hormones) within 14 days or five half-lives of the compound or active metabolites, whichever is longer, before the first dose of study treatment No prior treatment with a small molecule kinase inhibitor or a hormonal therapy within 14 days or 5 half-lives (whichever is longer) Prior treatment with a small molecule kinase inhibitor or a hormonal therapy (including investigational kinase inhibitors or hormones) within 14 days or five half-lives of the compound or active metabolites, whichever is longer, before the first dose of study treatment The subject has received prior treatment with a small molecule kinase inhibitor or a hormonal therapy (including investigational kinase inhibitors or hormones) within 14 days or five half-lives of the compound or active metabolites, whichever is longer, before the first dose of study treatment Receipt of any type of small molecular kinase inhibitor (including investigational kinase inhibitors) within 2 weeks or 5 half-lives (whichever is shorter) of enrollment or receipt of any anti-cancer therapy (including investigational therapy, monoclonal antibodies, cytokine therapy) within 3 weeks of enrollment The subject has received prior treatment with a small molecule kinase inhibitor or a hormonal therapy (including investigational kinase inhibitors or hormones) within 14 days or five half-lives of the compound or active metabolites, whichever is longer, before the first dose of study treatment with the exception of patients receiving prior abiraterone or ketoconazole; for patients receiving prior abiraterone or ketoconazole, they must discontinue the medication within 5 half-lives of the compound before the first dose of study treatment in order to participate in this study; Note: subjects with prostate cancer currently receiving luteinizing-hormone-releasing hormone (LHRH) or gonadotropin-releasing hormone (GnRH) agonists must be maintained on these agents The participant has received prior treatment with a small molecule kinase inhibitor or a hormonal therapy (including investigational kinase inhibitors or hormones) within 14 days or five half-lives of the compound or active metabolites, whichever is longer, before the first dose of study treatment Prior treatment with a small molecule kinase inhibitor or a hormonal therapy (including investigational kinase inhibitors or hormones) within 14 days or five half-lives of the compound or active metabolites, whichever is longer, or before the first dose of study treatment The subject has received prior treatment with a small molecule kinase inhibitor within 14 days or five half-lives of the compound or active metabolites, whichever is longer, before the first dose of study treatment The subject has received prior treatment with a small molecule kinase inhibitor or a hormonal therapy (including investigational kinase inhibitors or hormones) within 14 days or five half-lives of the compound or active metabolites, whichever is longer, before the first dose of study treatment Receipt of any type of small molecule kinase inhibitor (including investigational kinase inhibitors) within 2 weeks of enrollment or receipt of any anti-cancer therapy (including investigational therapy, monoclonal antibodies, cytokine therapy) within 4 weeks of enrollment Patients may not have received cytotoxic, biologic or small molecule kinase inhibitor systemic therapy for at least 3 weeks prior to the first dose of study treatment Received JAK inhibitor therapy after allo-HSCT for any indication. Treatment with a JAK inhibitor before allo-HSCT is permitted. CRLF2 rearrangement with JAK1 or JAK2 mutation (JAK+) CRLF2 rearrangement without JAK mutation Other JAK pathway alterations (eg, JAK2 fusions, erythropoietin receptor (EPO-R) fusions, SH2B3 deletions, interleukin-7 receptor-alpha (IL7RA) mutations) with or without CRLF2 rearrangement Patients who have previously been treated with an IL-6, JAK or STAT inhibitor for any indication, such as ruxolitinib or tocilizumab Participants who were treated with prior JAK inhibitors for aGvHD; except when the participant achieved complete or partial response and has been off JAK inhibitor treatment for at least 8 weeks prior to Cycle 1 Day 1 Patients previously treated with a Janus kinase (JAK) inhibitor Hypersensitivity to any JAK inhibitor Prior treatment with JAK2 inhibitor therapy is not excluded. Patients on a JAK2 inhibitor may continue through conditioning until day -3 then tapered at the discretion of the investigator. Patients must not have received prior JAK1 inhibitor therapy. Prior treatment with JAK2 inhibitor therapy is not excluded; a JAK2 inhibitor will need to be stopped 1-2 days prior to starting conditioning regimen Subjects who have previously received JAK inhibitor therapy Treatment with ruxolitinib or other JAK inhibitor in the past Any previous use of Janus kinase (JAK) inhibitor, osimertinib, or other EGFR-directed therapy for T790M-mt NSCLC. PART 2: Received JAK inhibitor for at least 8 weeks immediately prior to conditioning and be able to continue until Day -4 pre-transplant Patients cannot have any other form of chemotherapy for their MPN (other than hydroxyurea); specifically prior interferon or JAK2 inhibitors are prohibited Any previous Janus kinase 2 gene (JAK2) inhibitor treatment prior to study enrollment, with the exception of ruxolitinib Hypersensitivity to Janus kinase (JAK) inhibitor Documented progressive disease during or after JAK inhibitor therapy MF PATIENTS: Patients must be intermediate I risk or beyond and meet the following:\r\n* In need of treatment\r\n* Intolerant or refractory to ruxolitinib (or other investigational Janus kinase [JAK]-inhibitors) OR unlikely to benefit from ruxolitinib\r\n* Ineligible or refusal to undergo stem cell transplantation Any prior or concomitant use of another JAK inhibitor Previously received JAK inhibitor therapy for any indication. Prior use of a JAK1 or JAK2 inhibitor Patients must be resistant to, intolerant of, or ineligible for Janus kinase (JAK)2 inhibitor therapy, or have refused such therapy History of prior janus kinase (JAK) or STAT3 inhibitor treatment Previous allergic reactions to janus kinase (JAK) inhibitors or excipients Prior therapy with ruxolitinib or other JAK inhibitors Any chemotherapy (e.g., hydroxyurea), immunomodulatory drug therapy (e.g., thalidomide), immunosuppressive therapy, corticosteroids > 10 mg/day prednisone or equivalent, growth factor treatment (e.g., erythropoietin) or Janus kinase (JAK) inhibitor therapy =< 14 days prior to registration Any prior therapy with JAK2-tyrosine kinase inhibitor (TKI), hypomethylating agents, histone deacetylase inhibitor (HDACI), mechanistic target of rapamycin inhibitor (mTORi), or immunomodulatory drugs (iMiDs) is allowed as long as it is greater than 3 weeks since last dose of administration and in the case of a JAK2-TKI or HDACI that discontinuation was not due to non-hematologic drug toxicity; an exception to this criteria are patients currently on at least 10mg BID of ruxolitinib for greater than 3 months and who have not shown an optimal response (i.e. without 50% reduction in palpable splenomegaly or 50% reduction in symptom burden); with a reduction of ruxolitinib to 10mg BID these patients may enter onto the study without stopping ruxolitinib MF patients must have received prior JAK2 inhibitor therapy, and been found to be intolerant, or refractory/relapsed from prior JAK2 inhibitor therapy, based on investigator assessment Subjects previously treated with anagrelide or JAK inhibitors. Prior treatment with a JAK inhibitor for any indication. Subjects with any prior exposure to Janus kinase 2 (JAK2) inhibitor therapy (i.e. ruxolitinib or prior pacritinib therapy) are excluded Prior treatment with a JAK inhibitor for any indication. Prior treatment with more than 2 JAK2 inhibitors or with pacritinib There is no maximum cumulative prior JAK2 inhibitor treatment Treatment with a Janus kinase (JAK) inhibitor within 21 days of the planned first dose of MMB Hypersensitivity to Janus kinase (JAK) inhibitor Prior therapy with a janus kinase 2 (JAK2) or fms-related tyrosine kinase 3 (FLT3) inhibitor Prior therapy with a JAK inhibitor (other than ruxolitinib for less than 3 months duration and currently on it) or histone deacetylase inhibitor (HDACi); patients that are currently on ruxolitinib for less than 3 months of therapy are eligible Patients who have received prior treatment with JAK inhibitor Patients must be off myeloproliferative neoplasm (MPN) directed therapy, such as Janus kinase (JAK)-inhibitors, for at least 2 weeks prior to administration of the study drug; NOTE: This does not include supportive transfusion, or hydroxyurea; these must be stopped prior to first day of treatment, but no wash –out period is required Patients must be resistant to, intolerant of, or ineligible for JAK2 inhibitor therapy, based on severe anemia or thrombocytopenia Prior treatment with more than two Janus kinase 2 (JAK2) inhibitors or with pacritinib Moderate or severe cGVHD diagnosed and staged per National Institute of Health (NIH) criteria; responses to Janus kinase (JAK) inhibitors have not been restricted to specific organs, so any organ involvement is eligible Hypersensitivity to JAK inhibitors Subjects who have previously received JAK inhibitor therapy Part B only: Prior treatment with SYK or Janus Kinase (JAK) inhibitors, except MF subjects. Prior treatment with a JAK inhibitor or with an investigational agent, device, or procedure within 21 days of enrollment. Myeloproliferative neoplasms (MPN): must have < 5% peripheral / marrow blasts\r\n* Note: Prior use of a Janus kinase 2 (JAK2) inhibitor is allowed up to 4 weeks before day 0 of allogeneic hematopoietic cell transplantation (alloHCT) Any patient anticipating or scheduled to receive a tyrosine kinase inhibitor, FLT3 inhibitor, or JAK2 inhibitor (outside of this study) post-HCT Received a prior IDH inhibitor. Prior treatment with dasatinib, or any BCR-ABL1 inhibitor other than imatinib The use of hormonal therapy is not allowed; if the patient in on a 5-alpha reductase inhibitor, then they should be stopped prior to treatment once enrolled onto the study; no washout period is required for this study to participate Previous treatment with XL184 (cabozantinib) or another MET/HGF inhibitor (tivantinib, crizotinib) Patients who have received prior therapy with a specific inhibitor of TRK (including but not limited to entrectinib [RXDX-101], DS-6051b, and PLX7486) are not eligible Prior therapy with PLX3397 unless discontinued for intolerance (i.e., non-progression on prior kinase inhibitor) Prior treatment with a smoothened inhibitor (SMOi) and/or hypomethylating agent. Any previous treatment with pevonedistat or other NEDD8 inhibitor Prior treatment with a mitogen activated-protein kinase (MAPK) inhibitor Prior treatment (at least 1 full treatment cycle) with a farnesyltransferase inhibitor. Prior exposure to a WNT inhibitor Previous therapy with histone deacetylase (HDAC) inhibitor. Previous treatment with any prior BET inhibitor therapy Prior therapy with AT13387 or another HSP90 inhibitor Crizotinib, or any other cMET inhibitor or HGF-targeting inhibitor. The subject has received cabozantinib or another c-Met inhibitor (please note ARQ 197 is not considered a MET inhibitor for purposes of this study) Prior treatment with an MDM2 inhibitor. Previous treatment with sunitinib or kinase inhibitor other than imatinib Wash-out Prior therapy with any known inhibitor of MNK-1 or MNK-2. Prior treatment with small molecule bromodomain and extra terminal (BET) family inhibitor. Subjects who were intolerant to a BTK inhibitor Participants who have received a prior inhibitor of Wee1 kinase activity Prior treatment with a RAF inhibitor Previous treatment with vismodegib or any other hedgehog pathway inhibitor Prior treatment with WEE1 inhibitor Prior treatment with Mcl-1 inhibitor. Prior exposure to a BTK or BCL-2 inhibitor Prior treatment with a drug of the focal adhesion kinase (FAK) inhibitor class. Participants enrolling to the MET cohort who have received a prior MET inhibitor may not be on anticoagulant therapy unless the investigator has deemed it safe to temporarily hold to facilitate the baseline tumor biopsy Participants who have received prior treatment with a CHK1 inhibitor. Prior treatment (at least 1 full treatment cycle) with a farnesyltransferase inhibitor. Prior treatment with Bromodomain and Extra-Terminal (BET) inhibitor Previous therapy with histone deacetylase (HDAC) inhibitor Prior treatment with CTLA-4 inhibitor Prior treatment with an hepatocyte growth factor (HGF)/cMet inhibitor such as rilotumumab, crizotinib, MetMAb, or ARQ197 No history of prior BTK-inhibitor-containing therapy. Patients having received any prior BCL2 inhibitor therapy Has received prior treatment with PT2977 or another HIF-2? inhibitor No platelet inhibitor drugs within 5 days prior to infusion and during the immediate study 6 Day follow-up period. Subject has received a prior targeted IDH2 inhibitor Previous treatment with epacadostat, SD-101, or any other IDO inhibitor or CpG molecule The participant has received a prior c-Met inhibitor Patients having received any prior BCL2 inhibitor therapy Prior chemotherapy, radiation (other than short cycle of radiation to reduce bone pain), treatment with a VEGF inhibitor, PARP inhibitor or immunotherapy within 21 days of first receipt of study drug. Hormone therapy within 14 days of first receipt of study drug. Prior treatment with venetoclax or other Bcl-2 inhibitor Cancer chemotherapy within 2 weeks before start of protocol-specified therapy, with the exception of intrathecal chemotherapy, dexamethasone, and oral small molecule inhibitors such as BTK-inhibitor, PI3K-inhibitor, or Bcl-2-inhibitor, which are allowed until the start of protocol-specified therapy). In addition, any subject whose organ toxicity (excluding hematologic) from prior treatment has not resolved to no more than Common Terminology Criteria for Adverse Events (CTCAE) grade 1. Prior exposure to docetaxel, selinexor, or another selective inhibitor of nuclear transport (SINE) compound Prior or concurrent treatment with AR antagonists or CYP17 enzyme inhibitor. Anticipated ribonuclease inhibitor (RAI) treatment within 18 weeks of treatment Prior aromatase inhibitor therapy first initiated > 4 weeks prior to study enrollment AZD1775 is an inhibitor of breast cancer resistance protein (BCRP); the use of statins including atorvastatin which are substrates for BCRP are therefore prohibited and patients should be moved on to non-BCRP inhibitor alternatives Subjects with prior treatment with an MDM2 inhibitor Prior treatment with crizotinib, or any other cMET or HGF inhibitor Prior systemic therapy with a small molecule oral kinase inhibitor, including but not limited to: pazopanib, sunitinib, sorafenib, everolimus, sirolimus, vemurafenib, dasatinib and trametinib Has had prior exposure to tazemetostat or other inhibitor(s) of enhancer of zeste homologue-2 (EZH2) Prior receipt of an indoleamine 2,3-dioxygenase (IDO) inhibitor Prior BTK inhibitor treatment. Previous treatment with a c-MET inhibitor or HGF-targeting therapy (applies only to Group 2) Prior treatment with an MDM2 inhibitor. Patients who have received prior treatment with a phosphoinositide 3-kinase (P13K) inhibitor Patients must not have received prior HSP90 inhibitor therapy Beginning adjuvant aromatase inhibitor therapy, with no previous use within the last 6 weeks Primary patient samples must show in vitro kinase inhibitor sensitivity as determined by the Oregon Health and Science University (OHSU) functional kinase inhibitor screen; for OHSU patients, functional kinase inhibitor screening may be performed as part of this study or through enrollment in eIRB4422 if the identical Food and Drug Administration (FDA)/Clinical Laboratory Improvement Act (CLIA) approved assay is used and a result is available within 2 weeks of starting on study drug treatment Prior receipt of a PIM inhibitor Prior treatment with an FTase inhibitor Prior treatment with more than 1 checkpoint inhibitor (combination); prior treatment with a lymphocyte-activation gene 3 (LAG-3) inhibitor; prior treatment with multi specific checkpoint inhibitor molecules; Prior treatment with ASN007 or another ERK1/2 inhibitor Prior treatment with an antibody-drug conjugate (ADC) which consists of an exatecan derivative that is a topoisomerase I inhibitor (eg, DS-8201) Prior treatment with any Hsp90 inhibitor. Prior treatment with crizotinib or any other cMET or HGF inhibitor Prior treatment with any Hsp90 inhibitor. Prior use of trametinib or other MAPK inhibitor in any context Prior treatment with hsp90 inhibitor Patients who have received prior treatment with a P13K inhibitor Patient with documented treatment failure of his/her handicap(s) with at least one of the following therapy used at optimized dose: Anti H1, Anti H2, Proton pump inhibitor, Osteoclast inhibitor, Cromoglycate Sodium, Antileukotriene Prior treatment with an investigational EZH2 inhibitor A history of prior significant toxicity, other than thrombocytopenia, from another Bcl-2 family protein inhibitor Progressed during treatment or within 12 months of completion of adjuvant therapy with an aromatase inhibitor Prior use of aromatase inhibitor therapy apart from assisted reproduction Prior treatment with vorinostat or other HDAC inhibitor Prior exposure to ibrutinib or to a BCR inhibitor (eg Btk or PI3 kinase or Syk inhibitors) or a BCL-2 inhibitor (eg venetoclax) Patients who have received prior treatment with nintedanib or any other VEGFR inhibitor are not eligible Current use of selective serotonin reuptake inhibitor (SSRI), serotonin-norepinephrine reuptake inhibitor (SNRI), monoamine oxidase (MAO) inhibitor, tramadol or trazadone; or use of these agents within 14 days If participant is on a selective serotonin reuptake inhibitor (SSRI), serotonin-norepinephrine reuptake inhibitor (SNRI) or membrane stabilizer (pregabalin, gabapentin, for example), it must be a stable, unchanged dose for previous 3 months Prior therapy with an Abelson murine leukemia viral oncogene homolog (ABL) kinase inhibitor such as nilotinib, ponatinib, dasatinib, or imatinib Have received prior treatment with an IDH1 inhibitor. Prior treatment for MDS with the histone deacetylase (HDAC) inhibitors Zolinza (vorinostat), Belenodaq (belinostat), Farydak (panobinostat), Istodax (romidepsin/depsipetide), or investigational agent with significant action as an HDAC inhibitor. Subjects with prior treatment with an MDM2 inhibitor Prior treatment with a TORC1, dual TORC1/2 inhibitor, or BCL-2/xL inhibitor Prior treatment with a histone deacetylase inhibitor Prior therapy with an angiogenesis inhibitor Prior therapy with a hedgehog inhibitor Any previous treatment with a HDAC inhibitor, including citarinostat Use of a protease inhibitor for any indication within three months prior to start of study treatment Any IFN- containing agent within 8 weeks prior to screening or any prior exposure to HCV-specific antivirals agent(s), other than NS3/4A protease inhibitor and sofosbuvir Prior therapy with another hedgehog inhibitor Patients who have received prior treatment with a P13K inhibitor or RAD001 (if discontinued for toxicity) Has had prior exposure to tazemetostat or other inhibitor(s) of EZH2 Prior treatment with inhibitor of MET or HGF Prior exposure to ibrutinib or to a BCR inhibitor or a BCL-2 inhibitor. Prior receipt of an IDO inhibitor. Prior receipt of a BET inhibitor (Treatment Group B only). Prior receipt of an LSD1 inhibitor including INCB059872 (Treatment Group C only). Immediate prior therapy with a PAM pathway inhibitor (i.e., the subject is excluded if the last treatment regimen, prior to MSC2363318A, was a PAM pathway inhibitor, or if the last PAM pathway inhibitor that the subject was treated with occured less than 2 months prior to Day 1 of trial drug treatment). Prior exposure to a BCL-2 inhibitor (eg, venetoclax/ABT-199) Has had prior exposure to tazemetostat or other inhibitor(s) of enhancer of zeste homolog 2 (EZH2) Has had prior exposure to tazemetostat or other inhibitor(s) of enhancer of zeste homologue-2 (EZH2) Prior therapy with histone deacetylase (HDAC) inhibitor. Patients who have received prior treatment with a mutant-specific IDH1 inhibitor (with the exception of glioma patients) Prior treatment with a MET inhibitor or HGF targeting agent Histologically confirmed advanced or metastatic renal cell carcinoma with a clear cell component that has progressed by investigator assessment following treatment with one and only one multi-targeted tyrosine kinase inhibitor (TKI) other than axitinib that targets the VEGF receptor (VEGFR) (e.g., sunitinib, pazopanib, sorafenib, tivozanib, cabozantinib). One prior immunotherapy (interleukin-2 or interferon-alpha or immune checkpoint inhibitor or tumor vaccine) and one prior mTOR inhibitor treatment are allowed. Prior therapy with an IDO1 or arginase 1 inhibitor. Use of 5-alpha reductase inhibitor within the 3 months prior to dosing. Group 1: BRAFV600 positive metastatic or recurrent melanoma after failure of prior treatment with standard therapy such as a checkpoint inhibitor and an approved B-RAF inhibitor (vemurafenib or dabrafenib) Treatment with a complement inhibitor at any time. Previous treatment with a c-MET inhibitor or HGF-targeting therapy. Prior exposure to a BTK inhibitor Previous treatment with either a PD-1 inhibitor (for patients enrolling on the IMO-2125 + pembrolizumab combination) or CTLA-4 inhibitor (for patients enrolling on the IMO-2125 + ipilimumab combination if applicable) should not have been accompanied by DLT for which permanent discontinuation is recommended (per USPI). EGFR, ALK and ROS biomarker positive tumors are eligible as long as the patient has received at least one standard oral, molecular inhibitor therapy in addition to standard platinum doublet chemotherapy. More than one molecular inhibitor is allowed such as a first generation EGFR inhibitor followed by a next generation EGFR inhibitor when T790 mutation develops. Prior molecular therapy for biomarker positive tumors such as (but not limited to) MET, RET and BRAF allowed but not required. Prior therapy with a histone deacetylase (HDAC) inhibitor History of a prior significant toxicity, other than thrombocytopenia, from another Bcl-2 family protein inhibitor Previous treatment with any aminopeptidase inhibitor Participants with concurrent use of calcineurin-inhibitor plus sirolimus (either agent alone is acceptable) Patients may not have received previous therapy with a MET inhibitor Prior therapy with everolimus or an aromatase inhibitor Prior treatment with an HGF/cMet inhibitor such as rilotumumab, crizotinib, MetMAb (onartuzumab), or ARQ197 (tivantinib) Patients who have received prior treatment with a phosphatidylinositol-4,5-bisphosphate 3-kinase, catalytic subunit alpha (P13K) inhibitor Prior or current treatment with a cMet inhibitor Patients who have received or been treated with an tumor necrosis factor-alpha inhibitor such as adalimumab (Humira) within four weeks of starting on study Prior treatment with any Hsp90 inhibitor. No prior MET inhibitor is allowed Prior therapy with HDAC inhibitor Participants who have a history of prior MM treatment with panobinostat, or an alternative histone deacetylase (HDAC)-inhibitor Have received prior therapy with an immunomodulatory agent, a proteosome inhibitor, and glucocorticoids No prior treatment with any HSP90 or histone deacetylase (HDAC) inhibitor compound is allowed Patients who have received prior treatment with a phosphatidylinositol 3 kinase (P13K) inhibitor Prior anti-neoplastic treatment with any HSP90 or histone deacetylase (HDAC) inhibitor compound Previous therapy with a topoisomerase I or II inhibitor Prior treatment with CGM097 or other p53/HDM2-interaction inhibitor History of hormone replacement therapy (estrogens with or without progestin) or an aromatase inhibitor (anastrazole, letrozole, exemestane) within 8 weeks prior to day 1 Prior therapy with a PDGFR or c-Met inhibitor Prior treatment with a histone deacetylase (HDAC) inhibitor Prior treatment with an HSP90 inhibitor (e.g. 17-AAG, IPI-504, AUY922, STA-9090 [ganetespib] etc.) Prior histone deacetylases (HDAC) inhibitor, deacetylase (DAC) inhibitor, heat shock protein (Hsp)90 inhibitor or valproic acid for the treatment of cancer a documented NTRK fusion and a clinical history of relapse following a response to a prior TRK inhibitor a documented NTRK fusion unresponsive to a prior TRK inhibitor a documented NTRK fusion and a clinical history of intolerance to a prior TRK inhibitor Received prior HDAC inhibitor therapy Prior therapy with any known inhibitor of MNK1 or MNK2. Prior treatment with a licensed or experimental smoothened inhibitor. Randomized cohort only: Prior treatment with a Janus kinase inhibitor other than ruxolitinib. Prior history of a hypertensive reaction to a kinase inhibitor Prior treatment with BIBF 1120 or any other VEGFR inhibitor within 4 weeks Prior treatment with a BTK inhibitor. Prior therapy with a known heat shock protein 90 (HSP90) inhibitor Patients who have received prior treatment with a P13K inhibitor Prior treatment with gamma secretase inhibitor or other Notch signaling inhibitor. Prior or current treatment with a c-MET inhibitor or HGF-targeting therapy 15. Prior treatment with drugs an FAK inhibitor. Prior therapy with an IGF-1R inhibitor. Prior treatment with an HSP90 inhibitor No prior Aurora kinase inhibitor AKT INHIBITOR MK2206 ARM: Previous AKT inhibitor therapy Patients currently receiving treatment for concurrent active malignancy; prior immunotherapy with checkpoint blockade (i.e., PD1 inhibitor, PDL1 inhibitor, or CTL4-antagonist or similar agent) must have been completed more than 1 month prior to the T-cell infusion Cohort 2: Has received prior aromatase inhibitor therapy and is deemed to be resistant to all three (anastrozole, letrozole, exemestane) approved AIs; resistance is defined as progression within 12 months or while on an AI Prior treatment with a Hsp90 inhibitor Patients currently receiving treatment for concurrent active malignancy; continuation of hormonal therapy (i.e. for breast cancer) is acceptable; prior immunotherapy with checkpoint blockade (i.e. PD1 inhibitor, PDL1 inhibitor or CTL4-antagonist or similar agent) must have been completed more than 1 month prior to the T cell infusion Prior treatment with small molecule bromodomain and extra terminal family inhibitor Previous therapy with histone deacetylase inhibitor. Must have received or may still be receiving one or more therapies including octreotide or serotonin synthesis inhibitor (SSI) or other somatostatin analogues Prior treatment with filanesib (ARRY-520) or any other KSP inhibitor. Prior treatment with any Hsp90 inhibitor. Patients may not have received prior therapy with an Aurora kinase inhibitor They have received treatment with orteronel or another lyase inhibitor in the past Aromatase Inhibitor (AI) resistant, defined as: Prior anti-cancer treatment with any HSP90 inhibitor Have received any prior treatment with an IDH inhibitor. ARQ 197 is a sensitive substrate for 2C19 and 3A4, a strong inhibitor for 2C19 and moderate inhibitor by in vitro data only for 3A4; temsirolimus is a sensitive substrate for CYP 3A4 and a weak inhibitor of CYP2D6 and CYP3A4/5; per the UWinRx Drug Interaction Policy, the following medications are contraindicated or must be used with caution Prior treatment with Src family kinase (SFK) inhibitor at any time Prior therapy with an HSP90 inhibitor Prior treatment with an HDAC inhibitor. Patients who have received prior treatment with a P13K inhibitor Prior treatment with selective inhibitor of nuclear export (SINE) inhibitor Previous treatment with a phosphatidylinositol 3-kinase (P1-3K) inhibitor Patients who discontinue monoamine oxidase (MAO)-inhibitor (I)’s within 14 days prior to starting the investigational drug Received sirolimus within the 14 days prior to starting study as voriconazole is a potent inhibitor of sirolimus metabolism Concurrent use of the aromatase inhibitor exemestane Prior treatment with an inhibitor that is targeted primarily to FGFRs Concurrent use of calcineurin-inhibitor plus sirolimus (either agent alone is acceptable) Prior treatment with a topoisomerase I inhibitor Prior treatment with an antibody-drug conjugate (ADC) that consists of an exatecan derivative that is a topoisomerase I inhibitor (eg, DS-8201a) Prior treatment with a check-point inhibitor targeting PD-1, unless not a candidate. History of receiving treatment with any c-MET signaling pathway inhibitor (marketed or investigational agents) Prior exposure to a SINE compound (i.e. an XPO-1 inhibitor), including selinexor. Has received prior treatment with enhancer of zeste homolog (EZH) inhibitor Cohort 1 only: prior treatment with previous VEGFR active multikinase inhibitor Cohort 2 only: more than one prior treatment with VEGFR active multikinase inhibitor prior to original start of lenvatinib History of a prior intolerable toxicity, in the opinion of the investigator from another B-cell lymphoma (BCL)-2 family protein inhibitor study. Prior therapy with any CDK inhibitor. Prior treatment with CDK4/6 inhibitor Patient who received any CDK4/6 inhibitor Prior treatment with a CDK 4/6 inhibitor. Patient has a known hypersensitivity to ribociclib or any of its excipients, or prior treatment with CDK 4/6 inhibitor For enrollment to arm 2: participants must have a confirmed CDK4 or CDK6 high-level amplification, identified via DFCI/BWH OncoPanel or any CLIA-certified method Participants who have received prior treatment with a CDK4/6 inhibitor Prior exposure to transcriptional kinase family CDK inhibitors, such as the CDK7 and CDK9 inhibitors alvocidib (Flavopiridol), dinaciclib, and seliciclib. Exception: previous exposure to cell cycle CDK inhibitors such as CDK4 and CDK6 (eg, palbociclib) is allowed Previous treatment with a CDK 4/6 inhibitor or an mTOR inhibitor Prior therapy with any CDK inhibitor Prior treatment on a CDK inhibitor have a diagnosis of metastatic ER+ breast cancer in patients who received and progressed on at least two lines of endocrine therapy, with one that included a CDK4/CDK6 inhibitor (e.g., palbociclib or ribociclib); Received a prior CDK4/6 inhibitor No prior therapy with any CDK 4/6 inhibitors. Prior use of CDK4/6 inhibitors Patient who received any CDK4/6 inhibitor Patients who have received prior treatment with a selective CDK4 inhibitor Previous CDK4/6 inhibitor Patient has had prior toxicity from a CDK 4/6 inhibitor necessitating discontinuation of the drug; patient may have had prior treatment with a cdk 4/6 inhibitor in the adjuvant or metastatic setting Received any previous treatment with alvocidib or any other CDK inhibitor Documented evidence of tumor progression on or after CDK 4/ 6 inhibitor combination treatment; CDK 4/6 inhibitor must be the last treatment regimen prior to study entry, Participants who have received prior treatment with a CDK4/6 inhibitor Patients who have been in the past enrolled on a study of a Cdk inhibitor Prior treatment with CDK4/6 inhibitor Prior treatment with any CDK4/6 inhibitor. Group 1 - Patients must not have received prior treatment with any CDK4/6 inhibitors Group 2 - Patients must have disease progression while on or within one month after CDK4/6 inhibitor based therapy Group 3 - Patients must have disease progression while on or within one month after CDK4/6 inhibitor based therapy (except those patients who received prior LEE011 based therapy). Prior treatment with any CDK 4/6 inhibitor Patient who has received a prior CDK4/6 inhibitor Prior treatment with any CDK 4/6 inhibitor. Prior treatment with a CDK4/6 inhibitor and/or bazedoxifene Patient who received any CDK4/6 inhibitor. The participant has previously received treatment with any CDK4 and CDK6 inhibitor. Participants must have radiological or objective evidence of progression on an endocrine and CDK 4/6 inhibitor regimen in the metastatic setting, and/or relapse/progression during or within 12 months of completion of an endocrine and CDK4/6 inhibitor regimen in the adjuvant setting\r\n* Participants must have previously been exposed to CDK4/6 inhibitor therapy in combination with endocrine therapy; exposure to any prior CDK4/6 inhibitor, (including palbociclib, abemaciclib, and ribociclib) is allowed; patients may have a line of endocrine therapy after combination endocrine and CDK4/6 inhibitor exposure\r\n* Participants must have remained on prior endocrine and CDK4/6 therapy in the metastatic setting without progression for at least 6 months prior to study entry\r\n* It is not mandatory to have a CDK 4/6 inhibitor containing regimen as the most recent treatment Previously treated on any CDK 4/6 inhibitor. Progressed on more than one CDK 4/6 inhibitor Prior treatment with any CDK4/6 inhibitor therapy Prior treatment with a MEK inhibitor or a CDK4/6 inhibitor. Patients who have received prior treatment with a CDK inhibitor within 12 months of study enrollment. Prior neoadjuvant therapy (endocrine therapy or chemotherapy) or CDK4/6 inhibitor No history of prior CDK 4/6 inhibitor use Patients must NOT be receiving valproic acid, an histone deacetylase (HDAC) inhibitor, and may not have previously received any HDAC inhibitor prior to enrollment (e.g. valproic acid, entinostat, vorinostat) unless discussed with the study chair; patients must not have received prior HDAC therapy for the treatment of their malignancy Concurrent use or anticipated need for medications that are mainly metabolized by UGT1A9 including their administration within 7-days prior to the first dose of study drug (e.g., raloxifene, valproic acid, propofol, propranolol, dapagliflozin, darexaban, mycophenolic acid, and tapentadol) Concomitant therapy with valproic acid/valproate-containing therapies Patients who are being treated with Valproic Acid for any of its indication (epilepsy, mood disorder) must be excluded or must stop using the medication. Patients requiring concurrent administration of valproic acid are not eligible for this trial Prior treatment with histone deacetylase (HDAC) inhibitors (e.g. valproic acid, Zolinza (SAHA), romidepsin (Istodax) Has taken valproic acid, or another histone deacetylase inhibitor, within 2 weeks prior to study day 1 Prior histone deacetylase (HDAC), deacetylase (DAC), heat shock protein (HSP)90 inhibitors or valproic acid for the treatment of cancer is allowed Patients who will need valproic acid for any medical condition during the study or within 5 days prior to first panobinostat treatment Patients who have received histone deacetylase (HDAC) inhibitors (including valproic acid, entinostat, vorinostat) are excluded Patients with a prior history of treatment with histone deacetylase (HDAC) inhibitors (e.g., SNDX-275/entinostat, LAQ-824, LBH589, PXD-101/belinostat, etc); patients who have received valproic acid will be excluded from this study Needing valproic acid for any medical condition during the study or within 5 days prior to first panobinostat treatment Patients should not have taken valproic acid or another histone deacetylase inhibitor for at least 2 weeks prior to enrollment History of severe allergic reaction to sunitinib or valproic acid; inability to receive sunitinib or valproic acid Previous treatment with sunitinib or valproic acid for uveal melanoma Active treatment with valproic acid for non-oncological conditions, if this cannot be safely switched to an alternative agent Prior myelosuppressive chemotherapy or other investigational drug therapy within the last 6 months prior to initiation of sunitinib or valproic acid Patients taking concomitant histone deacetylase (HDAC) inhibitors; use of HDAC inhibitor like compounds such as valproic acid for epilepsy is permitted if there is at least a 2 week wash out Any condition that would prohibit patient from initiating valproic acid; current or prior valproic acid treatment is allowed (do not need to be >= lower limit of normal [LLN] for laboratory for enrollment) History of valproic acid (VPA) use Patients must not have received valproic acid within 30 days of study entry Patients requiring concomitant therapy with phenytoin, phenobarbital, carbamazepine, or valproic acid Prior anti-cancer treatment with MLN9708 (ixazomib), histone deacetylase (HDAC), deacetylase (DAC), heat shock protein (HSP)90 inhibitors or valproic acid Patients who will need valproic acid for any medical condition during the study or within 5 days prior to first panobinostat treatment Use of any UDP glucuronosyltransferase 1 family, polypeptide A9 (UGT1A9) inhibitor including: acitretin, amitriptyline, androsterone, cyclosporine, dasatinib, diclofenac, diflunisal, efavirenz, erlotinib, estradiol (17-beta), flutamide, geftinib, gemfibrozil, glycyrrhetinic acid, glycyrrhizin, imatinib, imipramine, ketoconazole, lineoleic acid, mefenamic acid, mycophenolic acid, niflumic acid, nilotinib, phenobarbital, phenylbutazone, phenytoin, probenecid propofol, quinidine, ritonavir, Sorafenib, sulfinpyrazone, valproic acid and verapamil from screening through follow-up period Patients asking or who have had prior treatment with a drug like vorinostat (i.e., valproic acid) within the last 30 days Participants should not have taken valproic acid or another histone deacetylase inhibitor for at least 2 weeks prior to study enrollment Patient had prior treatment with an histone deacetylase (HDAC) inhibitor (e.g., romidepsin [Depsipeptide], NSC-630176, MS 275, LAQ-824, belinostat [PXD-101], LBH589, MGCD0103, CRA024781, etc); patients who have received compounds with HDAC inhibitor-like activity, such as valproic acid, as anti-tumor therapy should not enroll in this study; patients who have received such compounds for other indications, e.g. valproic acid for epilepsy, may enroll after a 30-day washout period Patients should not have taken valproic acid or another histone deacetylase inhibitor for at least 2 weeks prior to enrollment Patient needing valproic acid during the study or within 5 days prior to first dose Patients who will need valproic acid for any medical condition during the study or within 5 days prior to first PANOBINOSTAT treatment Patients receiving histone deacetylase (HDAC) inhibitors or compounds with HDAC inhibitor like activity, such as valproic acid, are ineligible; patients who have received such agents may enroll on this study after a 14-day washout period Patients who will need valproic acid for any medical condition during the study or within 5 days prior to first panobinostat treatment Patients who will need valproic acid for any medical condition during the study or within 5 days prior to first panobinostat treatment Valproic acid for the treatment of cancer Patients who will need valproic acid for any medical condition during the study or within 5 days prior to first panobinostat treatment Prior histone deacetylase (HDAC), deacetylase (DAC), heat shock protein 90 (HSP90) inhibitors or valproic acid for the treatment of cancer Patients who will need valproic acid for any medical condition during the study or within 5 days prior to first panobinostat treatment Allergy to valproic acid Patients who have had prior treatment with a histone deacetylase (HDAC) inhibitor (e.g., romidepsin [Depsipeptide], NSC-630176, MS 275, LAQ-824, belinostat [PXD-101], LBH589, MGCD0103, CRA024781, etc); patients who have received compounds with HDAC inhibitor-like activity, such as valproic acid, as anti-tumor therapy should not enroll in this study; patients who have received such compounds for other indications, e.g. valproic acid for epilepsy, may enroll after a 30-day washout period Patient had prior treatment with an histone deacetylases (HDAC) inhibitor (e.g., romidepsin [Depsipeptide], NSC-630176, MS 275, LAQ-824, belinostat [PXD-101], LBH589, MGCD0103, CRA024781, etc); patients who have received compounds with HDAC inhibitor-like activity, such as valproic acid, as anti-tumor therapy should not enroll in this study; patients who have received such compounds for other indications, e.g. valproic acid for epilepsy, may enroll after a 30-day washout period Concurrent use of valproic acid is not allowed Patients receiving valproic acid (VPA), an anticonvulsant drug with HDAC inhibitor properties, will be excluded, unless they are switched to an alternative agent prior to treatment initiation. No wash out period is required. Prior HDAC, deacetylase (DAC), heat shock protein (HSP)90 inhibitors or valproic acid for treatment of cancer Patients who will need valproic acid for any medical condition during the study or within 5 days prior to first panobinostat treatment Patients will be excluded if they are receiving Valproic Acid (VPA) therapy. Patients may not have taken another histone deacetylase inhibitor (i.e. valproic acid, vorinostat) for at least 2 weeks prior to enrollment Concurrent use of other histone deacetylase inhibitors (e.g. valproic acid) are prohibited except for histone deacetylase (HDAC) inhibitors or HDAC-inhibitor like agents used for non-cancer treatment (e.g. epilepsy), where a 14 day washout is allowed RECURRENT/ PROGRESSIVE DIPG (STRATUM 1): Patients have had valproic acid within 28 days prior to enrollment Prior histone deacetylases (HDAC), deacetylase (DAC), heat shock protein 90 (HSP90) inhibitors or valproic acid for the treatment of cancer Patients who will need valproic acid for any medical condition during the study or within 5 days prior to first LBH589 treatment Patients should not have taken valproic acid, another histone deacetylase (HDAC) inhibitor, for at least 2 weeks prior to enrollment Patients will be excluded if they have received previous therapy with HDAC, DAC, HSP90 inhibitors or valproic acid anticancer therapy. Valproic acid therapy is not allowed for any reason while on this study. Patients must not be receiving valproic acid Patients who will need valproic acid for any medical condition during the study or within 5 days prior to first panobinostat treatment Treatment with valproic acid within 14 days prior to initiation of study and during the study Prior use of valproic acid or any other histone deacetylase (HDAC) inhibitor for lymphoma treatment Use of valproic acid for any medical condition while receiving protocol treatment or within 5 days prior to first panobinostat dose For subjects assigned to take vorinostat, prior exposure to vorinostat or other known histone deacetylase (HDAC) inhibitors for cancer therapy; patients should not have taken valproic acid, another histone deacetylase inhibitor, for at least 2 weeks prior to study enrollment; note: this criterion does NOT apply to subjects treated on the Expansion Cohort (accruals post February 1, 2013) Prior therapy with other histone deacetylase (HDAC) inhibitors, including valproic acid Patients requiring concurrent administration of valproic acid are also excluded Patients currently taking valproic acid Histone deacetylase (HDAC), deacetylase (DAC), heat shock protein (HSP)90 inhibitors or valproic acid for the treatment of cancer within 30 days; only Food and Drug Administration (FDA) approved drug are vorinostat and romidepsin the rest are considered investigational and are not allowed Patients who will need valproic acid for any medical condition during the study or within 5 days prior to first PANO treatment Any contraindication to dexamethasone or valproic acid such as known allergies or sensitivity Participants who have previously received a cyclin-dependent kinase (CDK) 4/6 inhibitor For Part I (abemaciclib + endocrine therapy): The participant must have demonstrated evidence of disease progression on a Cyclin Dependent Kinase 4 (CDK4) and Cyclin Dependent Kinase 6 (CDK6) inhibitor (either palbociclib or ribociclib) plus endocrine therapy for advanced or metastatic disease as the most recent therapy immediately preceding study entry. The participant should remain on the current endocrine therapy while receiving abemaciclib. Prior therapy with any cyclin-dependent kinase (Cdk) 4 inhibitor one prior hormonal therapy and a Cyclin-dependent kinase (CDK)4/6 inhibitor. Note: Participants may have received treatment for brain metastases, but must be neurologically stable, completed radiotherapy and off corticosteroids for at least one month prior to starting trial therapy. Prior therapy with a cyclin-dependent kinase (CDK) inhibitor History of exposure to alvocidib or any other cyclin-dependent kinase 9 (CDK9) inhibitor. Arm B: MBC with progression during or following one prior endocrine based systemic therapy in the metastatic setting, with no prior therapy with any cyclin-dependent kinase (CDK) inhibitor; Prior therapy with any cyclin-dependent kinase (CDK) inhibitor Prior treatment with any cyclin dependent kinase (CDK) inhibitor Has been previously treated with a cyclin-dependent kinase (CDK) inhibitor For Parts A, B, D, E, and F: Have previously received treatment with any cyclin dependent kinase 6 (CDK6) inhibitor. For Part C participants may have received prior palbociclib or ribociclib, but not abemaciclib treatment. Prior treatment with drug targeting cyclin-dependent kinase (CDK) family Prior cyclin-dependent kinase (CDK)4/6 inhibitor exposure received prior treatment with any cyclin-dependent kinase (CDK) 4 and CDK 6 inhibitor Have previously received treatment with any cyclin-dependent kinase (CDK) 4 and 6 inhibitor or phosphatidylinositol 3-kinase (PI3K) and/or mammalian target of rapamycin (mTOR) inhibitor or have a known hypersensitivity to any component of the investigational products in this study. Have received prior treatment with any cyclin dependent kinase (CDK) 4 and 6 inhibitor or participated in a clinical trial with a CDK 4 and 6 inhibitor and the treatment administered is not known. Have received prior treatment with any cyclin-dependent kinase (CDK) 4/6 inhibitor (or participated in any CDK4/6 inhibitor clinical trial for which treatment assignment is still blinded) Disease that progressed during treatment or within 1 month after the end of treatment with prior tamoxifen, AI, or cyclin-dependent kinase (CDK) 4/6 inhibitor plus letrozole, for advanced/metastatic disease. Have received treatment with a prior cyclin-dependent kinase (CDK4) and CDK 6 inhibitor. Prior therapy with any cyclin-dependent kinase 4/6 (CDK4/6) inhibitor Prior systemic anticancer therapy for SCLC (including previous therapy with a cyclin-dependent kinase [CDK] inhibitor) Patients who have received prior treatment with a selective cyclin-dependent kinase 4/6 (CDK4/6) inhibitor Stage I Arm B: history of significant toxicity related to cyclin-dependent kinase (CDK)4/6 inhibitor, bone marrow transplant or extensive radiotherapy to ?25 percent (%) of bone marrow Stage II: