Patients may not have received any other investigational agents within 4 weeks of study entry Patients may not be receiving any other investigational agents Patients receiving any other investigational agents Patients receiving any other investigational agents Patients may not be planning to receive any other investigational agents Receiving any other investigational agent Receiving any other investigational agent Patients who are receiving any other investigational agents Patients may not be receiving any other investigational agents Patients may not be receiving any other investigational agents Patients who are receiving any other investigational agents Patients who are receiving any other investigational agents are not eligible Patients who are receiving any other anticancer or investigational agents Patients should not be receiving any other investigational agents Patients receiving any other investigational agents are ineligible Patients who are actively receiving any other investigational agents Patients should not be receiving any other investigational agents Patients should not be receiving any other investigational agents Patients may not be receiving any other investigational agents Patients receiving any other investigational agents Patients may not be receiving any other investigational agents Patients who are receiving any other investigational agents TUMOR BIOPSY SEQUENCING: Patients who are receiving any other investigational agents; patients on other trials will be eligible as long as they are no longer receiving study treatment TREATMENT: Patients who are receiving any other investigational agents; patients on other trials will be eligible as long as they are no longer receiving study treatment Patients who are receiving any other investigational agents Patients who are receiving any other investigational agents Participants who received investigational agents, other than investigational antiretroviral agents for HIV, within the 4 weeks before randomization, unless approved by the study chair Patients who are receiving any other investigational agents or who have received pomalidomide in the past Patients who are receiving any other concurrent investigational agents (patients are eligible to enroll 4 weeks after completion of prior agent) Patients who are receiving any other investigational agents Participants who received any other chronic (defined as more than 50% of the time in the last 6 months) systemic immunomodulatory agents (replacement doses of steroids for adrenal insufficiency are permitted or treatment with prednisone =< 5 mg/day); receipt of investigational agents within the 4 weeks before randomization enrollment, other than investigational antiretroviral agents for HIV and investigational or approved agents for hepatitis C, are also exclusionary Patients who are receiving any other investigational therapy Patients who are receiving any other therapeutic investigational agents Patients who are receiving any other investigational agents Patients who are receiving any other investigational agents Patients receiving any other investigational agents are ineligible Receiving any other investigational agents =< 28 days prior to registration Patients who are receiving any other investigational agents Concurrent administration of any other investigational agents Patients who are receiving any other investigational agent(s) Patients may not be receiving any other investigational agents while on study Patients receiving any other investigational agents are ineligible Participants who are receiving any other investigational agents within 4 weeks prior to enrollment; investigational antiretroviral agents for HIV are acceptable Patients who are receiving any other investigational agents Patients who are receiving any other investigational agents Patients who are receiving any other investigational agents Patients who are receiving any other investigational agents Participants who are receiving any other investigational agents Patients must not currently be receiving any other investigational agents Patients who are receiving any other investigational agents Patients who are receiving any other investigational agents; if the patient received a previous investigational or other agent or treatment, a washout period of 4 weeks is required Patients who are receiving any other investigational agents Patients receiving any other investigational agents are ineligible Patients who are receiving any other investigational agents, or have received an investigational agent within the past 30 days Patients who are receiving any other investigational agents Patients may not be receiving any other investigational agents while on study treatment Patients may not be receiving any other investigational agents nor have participated in an investigational trial within the past 4 weeks Any other investigational agents within the past 4 weeks Patients who are receiving any other investigational agents Patient is receiving another investigational agent for the treatment of cancer Patients who are receiving any other investigational agents Patients who are receiving any other investigational agents Patients should not have received any other investigational agents within the past 4 weeks Patients who are receiving any other investigational agents Patients who are receiving any other investigational agents Patients who are receiving any other investigational agents Patients who are receiving any other investigational agents Patients who are receiving any other investigational agents Patients who are receiving any other investigational agents Patients who are receiving any other investigational agents Patients who are receiving any other investigational agents Patients must not be receiving or planning to receive any other investigational agents Patients who are receiving any other biologic, cytotoxic or investigational agents Participants who are receiving any other investigational agents Patients who are receiving any other investigational agents for cancer Patients receiving any other investigational agents Patients who are receiving any other investigational agents Patients who are receiving any other investigational agents Patients who are receiving any other investigational agents Patients must not be receiving any other investigational anti-cancer agents while on study Patients who are receiving any other investigational agents Patients who are receiving any other investigational agents Patients who are receiving any other investigational agents Participants who are receiving any other investigational agents Patients who are receiving any other investigational agents Patients who are receiving any other investigational agents Patients who are receiving any other investigational agents Patients who are receiving any other investigational agents, or have received an investigational agent within the past 30 days Patients who are receiving any other investigational agents Patients who are receiving any other investigational agents Patients who are receiving any other investigational agents Participants who are receiving any other investigational agents Patients who are receiving any other investigational agents Patients who are receiving any other investigational agents Patients may not be receiving any other investigational agents and may not have participated in a study of an investigational agent or using an investigational device within five half-lives of the compound or 3 months, whichever is greater Participants should not have received any other investigational agents nor have participated in an investigational trial within the past 4 weeks Patients who are receiving any other investigational agents Patients receiving any other investigational agents are ineligible Patients who are receiving any other investigational agent Patients receiving any other investigational agents are ineligible