MagnetisMM-32: A Study to Learn About the Study Medicine Called Elranatamab in People With Multiple Myeloma (MM) That Has Come Back After Taking Other Treatments (Including Prior Treatment With an Anti-CD38 Antibody and Lenalidomide)

A Phase 2, Open-label Study of JNJ-79635322 in Participants With Relapsed or Refractory Multiple Myeloma (RRMM) Who Have Received at Least 3 Prior Lines of Therapy Including a PI, an IMiD, and an Anti-CD38 Antibody

A Multicenter Prospective Observational Cohort Study Evaluating the Impact of Cancer-Directed Treatment and Medication Use, Including Cannabis Use, in Multiple Myeloma Patients