All study participants in the United States (US) must be consented to and registered into the mandatory revlimid (lenalidomide) REMS program and be willing and able to comply with the requirements of revlimid REMS 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 Willing to be registered into the mandatory REVLIMID REMS program, and willing and able to comply with the requirements of the REVLIMID REMS program 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 All study participants must be registered into the mandatory Revlimid REMS program and be willing to comply with its requirements; per standard Revlimid REMS program requirements, all physicians who prescribe lenalidomide for research subjects enrolled into this trial, must be registered in, and must comply with, all requirements of the Revlimid REMS program All study participants must be registered into the mandatory Revlimid REMS program, and be willing and able to comply with the requirements of Revlimid REMS; NOTE: females of reproductive potential must adhere to the scheduled pregnancy testing as required in the Revlimid REMSTM program Willing to be registered into the mandatory REVLIMID REMS program, and willing and able to comply with the requirements of the REVLIMID REMS program Willing to adhere to the guidelines of the Revlimid REMS (formerly known as RevAssist) program\r\n* NOTE: The counseling must be documented All study participants must agree to be registered into the mandatory REVLIMID REMS program, and be willing and able to comply with the requirements of the REVLIMID REMS program Willing and able to register into and comply with the mandatory requirements of Celgenes REVLIMID REMS program All study participants must be registered into the mandatory Revlimid REMS program and be willing to comply with its requirements; per standard Revlimid REMS program requirements, all physicians who prescribe lenalidomide for research subjects enrolled into this trial, must be registered in, and must comply with, all requirements of the Revlimid REMS program All study participants must be registered into the mandatory Revlimid REMS program, and be willing and able to comply with the requirements of Revlimid REMS 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 All patients must be registered in and must comply with all requirements of the Revlimid Rems program. If assigned to receive lenalidomide, patient must be registered into the mandatory Revlimid REMS program and be willing and able to comply with the requirements of the REMS program All study participants must be registered into the mandatory Revlimid REMS Revlimid REMS program, and be willing and able to comply with the requirements of Revlimid REMS All study participants must be registered into the mandatory Revlimid REMS program, and be\r\nwilling and able to comply with the requirements of the REMS program 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 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 All study participants who will receive lenalidomide must be registered into the mandatory Revlimid REMS(TM) program, and be willing and able to comply with the requirements of the REMS(TM) program All study participants enrolled in the lenalidomide containing cohort (cohort ) must be registered into the mandatory Revlimid REMS program, and be willing and able to comply with the requirements of the REMS program 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 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 All study participants enrolled in the United States must be registered into the mandatory REVLIMID Rems program and be willing and able to comply with the requirements of REVLIMID Rems All study participants must be registered into the mandatory Revlimid REMS program, and be willing and able to comply with the requirements of Revlimid REMS program Patient must be registered into the mandatory Revlimid REMS program and be willing and able to comply with the requirements of Revlimid REMS All study participants must be registered into the mandatory Revlimid REMS program, and be willing and able to comply with the requirements of the Revlimid REMS program All study participants must be registered into the mandatory Revlimid REMS program, and be willing and able to comply with the requirements of Revlimid REMS; drug dispensing must come from the Celgene approved pharmacy, Biologics (Clinical Trials Services) All study participants must be registered into the mandatory Revlimid REMS program, and be willing and able to comply with the requirements of Revlimid REMS Willing to be registered into the mandatory Revlimid REMS program, and willing and able to comply with the requirements of the REMS program 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 the REMs program; females of reproductive potential must adhere to the scheduled pregnancy testing as required in the Revlimid REMS program 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