A Study of Daratumumab in Japanese Participants With Relapsed or Refractory Multiple Myeloma

Participants will be administered intravenously with daratumumab at a dose of 8 or 16 mg/kg up to 8 weeks (total 7 infusions). After 8 weeks, participants will receive daratumumab intravenously at a same dose, two times in every 2 weeks until Week 24 followed by one time in 4 weeks until study discontinuation. If the dose exceeds 24 mg/kg, then it will be considered as overdose in this study.