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RECRUITING Phase 4 ClinicalTrials.gov

Adult Outpatient Linvoseltamab With Tocilizumab Prophylaxis to Mitigate the Risk of Cytokine Release Syndrome (CRS)

Sponsor: Regeneron Pharmaceuticals • ClinicalTrials.gov ID: NCT07609940

Registry updated: 2026-09-25
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Description

This study is researching whether the use of tocilizumab before the first dose of linvoseltamab will decrease the risk of Cytokine Release Syndrome (CRS) in participants who have Relapsed or Refractory Multiple Myeloma (RRMM) who have already been treated with at least four lines of treatment for their multiple myeloma, including medicines called a proteasome inhibitor, an immunomodulatory drug, and an anti-Cluster of Differentiation (CD) 38 antibody. The aim of the study is to see how safe, tolerable and effective linvoseltamab is when given after tocilizumab. The study is looking at several other research questions, including: * What side effects may happen from taking tocilizumab before the first dose of linvoseltamab * Whether tocilizumab has an impact on CRS, including whether participants require hospital care and, if so, how many hospital visits occur and how long they last * How frequently other medications (for example, corticosteroids or additional doses of tocilizumab) are used to support participants' care if needed

Interventions

  • Linvoseltamab (Drug)
    Administered per the protocol
  • Tocilizumab (Drug)
    Administered per the protocol

Eligibility 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

Conditions

Relapsed/Refractory Multiple Myeloma (RRMM)

Locations

  • Berenson Cancer Center — Los Angeles, California, United States
  • Comprehensive Hematology Oncology — St. Petersburg, Florida, United States
  • Mary Bird Perkins Cancer Center — Baton Rouge, Louisiana, United States
  • American Oncology Partners, PA dba The Center for Cancer and Blood Disorders — Bethesda, Maryland, United States
  • Northwest Medical Specialties, PLLC — Tacoma, Washington, United States
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Official Source

Data sourced from ClinicalTrials.gov, a service of the U.S. National Institutes of Health.

View Official Record