A Study Evaluating the Safety, Pharmacokinetics, and Activity of the Combination of Cevostamab and Elranatamab in Participants With Relapsed or Refractory Multiple Myeloma (R/R MM)
About the study
The purpose of the study is to evaluate safety and tolerability of the combination of cevostamab plus elranatamab and also determine the recommended Phase II dose (RP2D) for the study treatment. The study consists of a safety lead-in stage, and an expansion stage.
Who can take part
You may be eligible to participate in the study if you meet the following criteria:
INCLUSION CRITERIA
Inclusion Criteria:
- Eastern Cooperative Oncology Group (ECOG) Performance Status of 0 or 1
- Diagnosis of R/R MM per IMWG criteria
- For female participants of childbearing potential: agreement to remain abstinent or use contraception
- For male participants: agreement to remain abstinent or use a condom
EXCLUSION CRITERIA
Exclusion Criteria:
- Prior treatment with cevostamab or another agent targeting fragment crystallizable receptor-like 5 (FcRH5)
- Prior treatment with elranatamab
- Prior allogeneic stem cell transplantation (SCT)
- Absolute plasma cell count exceeding 500 per milliliter (mL) or 5% of the peripheral blood white cells
- Diagnosis of Waldenström macroglobulinemia or polyneuropathy, organomegaly, endocrinopathy, monoclonal gammopathy, skin changes (POEMS) syndrome
- Participants with known history of amyloidosis
- History of autoimmune disease
- History of confirmed progressive multifocal leukoencephalopathy
- Peripheral motor polyneuropathy of prespecified grade
- Known or suspected chronic cytomegalovirus (CMV) and/or Epstein-Barr virus (EBV) infection
- Known history of hemophagocytic lymphohistiocytosis (HLH) or macrophage activation syndrome (MAS)
- Acute or chronic hepatitis B virus (HBV) or hepatitis C virus (HCV) infection
- Human immunodeficiency virus (HIV) seropositivity
- History of central nervous system (CNS) myeloma disease
- Significant cardiovascular disease
Study Locations
Enter your ZIP code/Postal code/PIN code to locate study sites near you:
How to Apply
Contact the study center to learn if this study is a good match for you.
Study Details
Contition
Relapsed or Refractory Multiple Myeloma
Age
18+
Phase
PHASE1
Participants Needed
120
Est. Completion Date
Jul 31, 2026
Treatment Type
INTERVENTIONAL
Sponsor
Genentech, Inc.
ClinicalTrials.gov NCT Identifier
NCT05927571
Study Number
GO43979
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