Daratumumab
DrugInduction: 16 mg/kg actual body weight IV weekly (weeks 1-8; total of 8 doses) then every 2 weeks (weeks 9-24; total of 8 doses).
Consolidation: 16 mg/kg actual body weight IV every four weeks (weeks 25-36)
Maintenance: 16 mg/kg actual body weight IV every eight weeks (weeks 37-88)
Sites will continue to use IV daratumumab to treat existing study patients until the IV daratumumab stock on site has been exhausted. The sites will then transition existing patient to SQ daratumumab. New patients will be started on SQ 1800mg daratumumab.
Induction- Cycles 1-2 (days 1, 8,15, 22), Cycles 3-6 (Weeks 9-24- two weeks (days 1, 15 ) Consolidation- Every 4 weeks on day 1 Maintenance- Every 8 weeks on day 1