A Study of JNJ-63723283, an Anti-programmed Death-1 Monoclonal Antibody, Administered in Combination With Daratumumab, Compared With Daratumumab Alone in Participants With Relapsed or Refractory Multiple Myeloma

Participants will receive daratumumab 16 milligram per kilogram (mg/kg) intravenously (IV) once every week for 8 weeks (Weeks 1 to 8); then once every other week for 16 weeks (Weeks 9 to 24); then once every 4 weeks (Week 25 onwards).

Participants will receive JNJ-63723283 240 mg IV during Week 1 on Cycle 1 Day 2, Cycle 1 Day 15, then every 2 weeks thereafter.