NCT06892522 2026-02-17A Study to Assess Change in Disease Activity and Adverse Events (AE)s in Adult Participants With Multiple Myeloma Receiving Etentamig (ABBV-383) as an Intravenous (IV) Infusion Alone or in Combination With Oral, IV, Subcutaneous Daratumumab; Lenalidomide; Dexamethasone; CarfilzomibAbbViePhase 1/2 Recruiting440 enrolled