Summary
This is a non-randomised trial that has five experimental arms. In Experimental Arm A, participants will receive talquetamab subcutaneously (SC) in combination with carfilzomib as an intravenous (IV) infusion. In Experimental Arm B, participants will receive talquetamab SC in combination with daratumumab SC and carfilzomib as an IV infusion. In Experimental Arm C, participants will receive talquetamab SC in combination with lenalidomide orally. In Experimental Arm D, participants will receive talquetamab SC in combination with daratumumab SC and lenalidomide orally. In Experimental Arm E, participants will receive talquetamab SC in combination with pomalidomide orally.