An Efficacy and Safety Study of Daratumumab in Patients With Multiple Myeloma Who Have Received at Least 3 Prior Lines of Therapy (Including a Proteasome Inhibitor [PI] and Immunomodulatory Drug [IMiD]) or Are Double Refractory to a PI and an IMiD

The purpose of this study is to evaluate the efficacy and safety of 2 daratumumab treatment regimens in participants with multiple myeloma who have received at least 3 prior lines of therapy (including a proteasome inhibitor \[PI\] and immunomodulatory drug \[IMiD\]) or are double refractory to a PI and an IMiD.