Linvoseltamab with pre-dose Tocilizumab to reduce CRS in adults with relapsed/refractory multiple myeloma
Official title: A Phase 4, Single-Arm, Multicenter Study of Prophylactic Tocilizumab in Participants With Relapsed/Refractory Multiple Myeloma Treated With Linvoseltamab in the Outpatient Setting
Run by Regeneron Pharmaceuticals · NCT07609940 · Data updated 2026-11-12
This study tests whether giving tocilizumab before the first dose of linvoseltamab can lower the risk of cytokine release syndrome in adults with relapsed/refractory multiple myeloma who have had at least four prior therapies.
Quick facts
| Phase | Phase 4 |
|---|---|
| Study type | Interventional |
| Ages | 18 Years and up |
| Sex | All |
| Enrollment | 30 (estimated) |
| Sponsor | Regeneron Pharmaceuticals Industry-sponsored |
| Drugs / interventions | tocilizumab, linvoseltamab |
| Locations | 7 sites (Los Angeles, California and 6 other locations) |
| Status | Recruiting |
| Started | July 15, 2026 |
| Main results expected | October 11, 2027 |
| Study ends | December 6, 2028 |
| Registry record updated | October 27, 2026 |
| Trial ID | NCT07609940 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates are adults with RRMM who progressed after at least four prior lines of therapy, including a proteasome inhibitor, an IMiD, and an anti-CD38 antibody, and who have ECOG ≤2.
✕Probably not a fit
Patients without risk of CRS reduction from pre-dose tocilizumab or those not fitting the eligibility criteria may not experience benefit.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This Phase 4 trial investigates safety, tolerability, and preliminary effectiveness of linvoseltamab given after pre-treatment with tocilizumab in adults with relapsed or refractory multiple myeloma. Participants have received at least four prior lines of therapy, including a proteasome inhibitor, an IMiD, and an anti-CD38 antibody. The study aims to understand the impact of the pre-dose tocilizumab on CRS incidence and related healthcare needs, as well as other side effects and overall tolerability. Additional questions address whether corticosteroids or extra tocilizumab doses are needed and how these practices affect safety outcomes. The trial is conducted at multiple U.S. centers with Regeneron as lead sponsor.
Why it matters
Potential benefit: If successful, the approach could reduce CRS risk and improve the safety of linvoseltamab for patients with heavily pretreated multiple myeloma.
How similar studies have gone: Prior bispecific antibody strategies have shown CRS risks; pre-medication approaches are being explored, with some evidence suggesting potential safety benefits but requiring confirmation in this context.
Who can join: the full rules
Show full inclusion / exclusion criteria
Key Inclusion Criteria: 1. Disease progression on or after at least 4 prior lines of therapy including a(n) Protease Inhibitor (PI), Immunomodulatory imide Drug (IMiD), and anti-CD 38 antibody 2. Eastern Cooperative Oncology Group (ECOG) performance status score ≤2 3. Confirmed progressive disease according to IMWG criteria during or after the most recent line of therapy Key Exclusion Criteria: 1. Diagnosis of plasma cell leukemia, symptomatic amyloidosis (including myeloma-associated amyloidosis), Waldenström macroglobulinemia (lymphoplasmacytic lymphoma), or Polyneuropathy, Organomegaly, Endocrinopathy, Monoclonal protein, Skin changes (POEMS) syndrome 2. Known myeloma brain lesions or meningeal involvement 3. History of neurodegenerative condition, Progressive Multifocal Leukoencephalopathy \[PML\], or Central Nervous System (CNS) movement disorder NOTE: Other protocol defined inclusion/exclusion criteria apply
Where it's running
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Berenson Cancer Center
Los Angeles, California, United States Recruiting -
Comprehensive Hematology Oncology
St. Petersburg, Florida, United States Recruiting -
Mary Bird Perkins Cancer Center
Baton Rouge, Louisiana, United States Recruiting -
American Oncology Partners, PA dba The Center for Cancer and Blood Disorders
Bethesda, Maryland, United States Recruiting -
Renown Health Medical Oncology
Reno, Nevada, United States Recruiting -
Texas Tech University Health Science Center School of Medicine
Lubbock, Texas, United States Recruiting
Show 1 more location
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Northwest Medical Specialties, PLLC
Tacoma, Washington, United States Recruiting
Study contacts
- Study coordinator: Clinical Trials Administrator
- Email: clinicaltrials@regeneron.com
- Phone: 844-734-6643
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REGN17372 plus linvoseltamab tolerability for adults with relapsed/refractory multiple myeloma
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Linvoseltamab vs. Daratumumab in high-risk smoldering myeloma
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.