Clinical Trials

Inclusion Criteria:

• Have received at least 3 prior lines of therapy including a proteasome inhibitor (PI) and an immunomodulatory agent (IMiD) in any order during the course of treatment for multiple myeloma or have disease that is refractory to both a PI and an IMiD
• Evidence of a response (partial response [PR] or better based on investigator's determination of response by International Myeloma Working Group [IMWG] criteria) to at least 1 prior treatment regimen
• Documented measurable disease for multiple myeloma at screening as defined in protocol
• Eastern Cooperative Oncology Group (ECOG) performance status score of 0, 1, or 2
• Contraceptive use by men or women should be consistent with local regulations regarding the use of contraceptive methods for participants participating in clinical studies

Exclusion Criteria:

• Received any of the following prescribed medications or therapies in the past: Anti-CD38 antibody, including daratumumab, and/or Anti-PD-1 (programmed death-1) and anti-PD-L1 (programmed death-ligand 1) antibodies
• Plans to undergo a stem cell transplant prior to progression of disease on this study (these participants should not be enrolled to reduce disease burden prior to transplant)
• History of malignancy (other than multiple myeloma) within 2 years prior to first administration of study drug (exceptions are squamous and basal cell carcinomas of the skin and carcinoma in situ of the cervix, or malignancy that in the opinion of the investigator, with concurrence with the sponsor's medical monitor, is considered cured with minimal risk of recurrence within 3 years)
• Clinical signs of meningeal involvement of multiple myeloma
• Known chronic obstructive pulmonary disease (COPD) with a forced expiratory volume in 1 second (FEV1) <50% of predicted normal or known moderate or severe persistent asthma within the past 2 years, or uncontrolled asthma of any classification