Dose-Escalation Study of Cevostamab in Participants With Relapsed or Refractory Multiple Myeloma (R/R MM)


This is a phase I, multicenter, open-label, dose-escalation study of Cevostamab administered as a single agent by IV infusion to participants with relapsed or refractory multiple myeloma (R/R MM).

SparkCures ID 908
Trial Phase Phase 1
Enrollment 300 Patients
Trial Sponsors
  • Genentech
NCT Identifier


Am I Eligible?

The following criteria is a partial list of reasons why patients may or may not be eligible to participate in this clinical trial. Further evaluation with a medical professional will be required to determine full eligibility.

The following criteria is provided for health care professionals.

Inclusion Criteria:

  • Eastern Cooperative Oncology Group (ECOG) Performance Status of 0 or 1
  • Life expectancy of at least 12 weeks
  • Participants must have relapsed or refractory (R/R) multiple myeloma (MM) for which no established therapy for MM is appropriate and available or be intolerant to those established therapies
  • Adverse events from prior anti-cancer therapy resolved to Grade < or = 1, except any grade alopecia and/or peripheral sensory or motor neuropathy which must have resolved to Grade < or = 2
  • Measurable disease defined by laboratory test results
  • Female participants of childbearing age must agree to remain abstinent or use reliable contraceptive methods during the treatment period, and at least 3 months after last dose of study drug
  • Male participants must agree to refrain from donating sperm, to abstain or use a condom during the treatment period, and at least 60 days after last dose of study drug

Exclusion Criteria:

  • Inability to comply with protocol-mandated hospitalization and activities restrictions
  • Pregnant, lactating, or planning to become pregnant during the study and up to 3 months after last dose of study drug
  • Prior use of any monoclonal antibody, radioimmunoconjugate, or antibody-drug conjugate as anti-cancer therapy within 4 weeks before first infusion
  • Prior treatment with systemic immunotherapeutic agents within 12 weeks or 5 half-lives of the drug, whichever is shorter, before first infusion
  • Prior treatment with chimeric antigen receptor (CAR) T-cell therapy within 12 weeks before first cevostamab infusion
  • Known treatment-related, immune-mediated adverse events associated with prior immunotherapeutic agents
  • Treatment with radiotherapy, any chemotherapeutic agent, or treatment with any other anti-cancer agent (investigational or otherwise) within 4 weeks or 5 half-lives of the drug, whichever is shorter, prior to first cevostamabĀ infusion
  • Autologous stem cell transplantation (SCT) within 100 days prior to first infusion
  • Prior allogeneic SCT or solid organ transplantation
  • Absolute plasma cell count exceeding 500/micro L or 5% of the peripheral blood white cells
  • History of autoimmune disease or of confirmed progressive multifocal leukoencephalopathy
  • History of severe allergic or anaphylactic reactions to monoclonal antibody therapy (or recombinant antibody-related fusion proteins)
  • Patients with known history of amyloidosis (e.g., positive Congo Red stain or equivalent in tissue biopsy)
  • Patients with lesions in proximity of vital organs that may develop sudden decompensation/deterioration in the setting of a tumor flare
  • History of other malignancy that could affect compliance with the protocol or interpretation of results
  • Current or past history of central nervous system (CNS) disease, or CNS involvement by MM
  • Significant cardiovascular disease that may limit a patient's ability to adequately respond to a CRS event
  • Symptomatic active pulmonary disease requiring supplemental oxygen
  • Within 14 days prior to first cevostamab infusion: known active bacterial, viral, fungal, mycobacterial, parasitic, or other infection (excluding fungal infections of nail beds) at study enrollment, or any major episode of infection requiring treatment with IV antibiotics within 4 weeks prior to first infusion
  • Known or suspected chronic active Epstein-Barr virus (EBV) infection, acute or chronic hepatitis C virus (HCV) infection
  • Positive serologic or polymerase chain reaction (PCR) test results for acute or chronic hepatitis B virus (HBV) infection
  • Recent major surgery within 4 weeks prior to first infusion
  • Human Immunodeficiency Virus (HIV) positive
  • History of illicit drug or alcohol abuse within 12 months prior to screening
  • Any medical condition or laboratory test abnormality that precludes the participant's safe participation in and completion of the study, or which could affect compliance with the protocol or interpretation of results

US Trial Locations

Accepting Patients

The following is a listing of trial locations that are open and accepting patients.

Verified Memorial Sloan Kettering Cancer Center

SparkCures Verified Accurate, up-to-date information. Learn more

Not Currently Accepting Patients

The following is a listing of trial locations that are not currently open and accepting patients.

New York
Verified Memorial Sloan Kettering Cancer Center

SparkCures Verified Accurate, up-to-date information. Learn more

International Locations

This trial has active trial locations in countries outside of the United States.

Our system currently only provides clinical trial matching services for myeloma patients in the United States.

You can view this clinical trial's international locations by visiting Please be aware that the government website may include information that is inaccurate and/or out-of-date.

Published Results

Initial Clinical Activity and Safety of BFCR4350A, a FcRH5/CD3 T-Cell-Engaging Bispecific Antibody, in Relapsed/Refractory Multiple MyelomaClinically Relevant Abstract

December 02, 2020

At cut-off (April 13, 2020), 51 pts (median age: 62.0 years [range: 33–80]; high-risk [HR] cytogenetics [1q21, t(4;14), t(14;16), or del(17p)]: 28 pts) had been enrolled into Arm A. Median number of prior lines of therapy was 6 (range: 2–15). Prior treatments included: proteasome inhibitors (PIs), 100% (94.1% refractory); immunomodulatory drugs (IMiDs), 100% (98.0% refractory); anti-CD38 mAbs, 78.4% (92.5% refractory); autologous stem cell transplant, 86.3%. Overall, 66.7% of pts were triple-class refractory (≥1 PI, ≥1 IMiD, and ≥1 anti-CD38 mAb), and 94.1% of pts were refractory to their last therapy.

At cut-off, 46/51 pts were evaluable for efficacy. Responses were observed at the 3.6/20mg dose level and above, in 15/29 pts (51.7%) (Table). Responses included 3 stringent CRs, 3 CRs, 4 VGPRs, and 5 PRs (Table). At the 3.6/20mg dose level and above, responses were observed in pts with HR cytogenetics (9/17), triple-class refractory disease (10/20), and prior exposure to anti-CD38 mAbs (11/22), CAR-Ts (2/3), or ADCs (2/2). Duration of response data are evolving, with 6/15 pts in response for >6 months at cut-off.

Median follow-up for safety was 6.2 months (range: 0.2–26.3 months). Almost all pts (49/51) had ≥1 treatment-related AE. The most common treatment-related AE was CRS (Lee et al. 2014 criteria; 38/51 pts, 74.5%). CRS was Grade (Gr) 1 in 20 pts (39.2%), Gr 2 in 17 pts (33.3%), and Gr 3 in 1 pt (2%) (due to Gr 4 transaminase elevation). CRS was most common in C1 (38 pts) and was uncommon or absent in subsequent cycles (4 pts). Most CRS events (49/58, 84.5%) resolved within 2 days. 18/38 (47.3%) pts with CRS received tocilizumab and/or steroids. Other treatment-related AEs in ≥5 pts were neutropenia and lymphocyte count decreased (6 pts each, 11.8%), aspartate aminotransferase increased and platelet count decreased (5 pts each, 9.8%). Treatment-related Gr 3–4 AEs (20 pts, 39.2%) in ≥3 pts were lymphocyte count decreased (6 pts, 11.8%), neutropenia (5 pts, 9.8%), anemia and platelet count decreased (3 pts each, 5.9%). No treatment-related Gr 5 (fatal) AEs were observed. Treatment-related AEs leading to withdrawal of treatment were uncommon (1 pt, 2.0%). One DLT (Gr 3 pneumonia) was observed in the 3.6/90mg cohort, but the MTD was not reached.


There are no resources, links or videos to display for this clinical trial.

Interested in this trial?
  • Call us today 😀 keyboard_arrow_right

    We know how difficult and confusing this process can be. If you are interested in this clinical trial or have questions, you can call us at any time. You can also send us a direct message with questions.

    (888) 828-2206
  • If you are interested in keeping an eye on this trial, you can add it to your list of favorite trials. We'll send you alerts when this trial is updated.

  • Talk to your doctor keyboard_arrow_right

    You can print an overview of this trial to take in to your next appointment. Your doctor can help you understand if this trial may be right for you.

Still need help? Send us a message