Summary
The purpose of this study is to evaluate whether elranatamab monotherapy can provide
clinical benefit compared to lenalidomide monotherapy (control) in participants with
newly diagnosed multiple myeloma after undergoing autologous stem cell transplant. In
Part 1 and Part 2 of the study, participants in the study will either receive elranatamab
(arm A and C) as an injection under the skin at the study clinic or lenalidomide orally
once daily at home (arm B). Participation in the study will be approximately five years