Clinical Research Directory

Inclusion Criteria: * Patients must have met applicable eligibility criteria in the Master MATCH Protocol prior to registration to treatment subprotocol * Patients must have amplification of CCND1, 2, or 3, or another aberration, as determined via the MATCH Master Protocol * Patients must have an electrocardiogram (ECG) within 8 weeks prior to treatment assignment and must have no clinically important abnormalities in rhythm, conduction or morphology of resting ECG (e.g. complete left bundle branch block, third degree heart block) Exclusion Criteria: * Patients must not have known hypersensitivity to palbociclib or compounds of similar chemical or biologic composition * Patients must not have breast cancer, mantle cell lymphoma or myeloma * Patients with known or symptoms of left ventricular dysfunction will be excluded * Patients must not have had prior treatment with palbociclib, ribociclib, abemaciclib or any other CDK4/6 inhibitors * Patients must not be using drugs or foods that are known potent CYP3A4 inhibitors or inducers, or are CYP3A4 substrates with narrow therapeutic indices