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
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
30
Administered per the protocol
Administered per the protocol
Berenson Cancer Center
Los Angeles, California, United States
RECRUITINGMary Bird Perkins Cancer Center
Baton Rouge, Louisiana, United States
RECRUITINGAmerican Oncology Partners, PA dba The Center for Cancer and Blood Disorders
Bethesda, Maryland, United States
RECRUITINGNorthwest Medical Specialties, PLLC
Tacoma, Washington, United States
RECRUITINGOccurrence of any grade CRS per American Society for Transplantation and Cellular Therapy (ASTCT) grading
Time frame: Up to 28 days
Severity of any grade CRS per ASTCT grading
Time frame: Up to 28 days
Occurrence of CRS of any grade
Time frame: Up to 12 months
Occurrence of recurrent CRS of any grade
Time frame: Up to 12 months
Occurrence of grade ≥2 CRS per ASTCT grading
Time frame: Up to 12 months
Occurrence of recurrent grade ≥2 CRS per ASTCT grading
Time frame: Up to 12 months
Occurrence of any grade infections per National Cancer Institute-Common Terminology Criteria for Adverse Events (NCI-CTCAE) version 5.0
NCI CTCAE grade 1 to 5 version 5.0
Time frame: Up to 12 months
Occurrence of grade ≥3 infections per NCI-CTCAE version 5.0
Time frame: Up to 12 months
Occurrence of any grade Immune effector Cell-Associated Neurotoxicity Syndrome (ICANS) per ASTCT grading
Time frame: Up to 12 months
Occurrence of grade ≥3 ICANS per ASTCT grading
Time frame: Up to 12 months
Occurrence of any grade neurotoxicity per NCI-CTCAE version 5.0 grading
Time frame: Up to 12 months
Occurrence of any grade neurotoxicity per ASTCT grading
Time frame: Up to 12 months
Occurrence of grade ≥3 neurotoxicity per NCI-CTCAE version 5.0 grading
Time frame: Up to 12 months
Occurrence of grade ≥3 neurotoxicity per ASTCT grading
Time frame: Up to 12 months
Occurrence of any grade neutropenia per NCI-CTCAE version 5.0 grading
Time frame: Up to 12 months
Occurrence of grade ≥3 neutropenia per NCI-CTCAE version 5.0 grading
Time frame: Up to 12 months
Number of treatment doses of tocilizumab following at least 1 dose of linvoseltamab for the management CRS
Time frame: Up to 12 months
Number of treatment doses of corticosteroid following at least 1 dose of linvoseltamab for the management CRS
Time frame: Up to 12 months
Total duration of corticosteroid treatment following at least 1 dose of linvoseltamab for the management CRS
Time frame: Up to 12 months
Number of hospitalizations per participant treated with at least 1 dose of linvoseltamab
Time frame: Up to 12 months
Total length of each Adverse Event (AE)-related hospital stay
Time frame: Up to 12 months
Occurrence of Treatment-Emergent Adverse Events (TEAEs) in participants treated with at least 1 dose of linvoseltamab
Time frame: Up to 12 months
Severity of TEAEs in participants treated with at least 1 dose of linvoseltamab
Time frame: Up to 12 months
Occurrence of Adverse Events of Special Interest (AESI) in participants treated with at least 1 dose of linvoseltamab
Time frame: Up to 12 months
Severity of AESI in participants treated with at least 1 dose of linvoseltamab
Time frame: Up to 12 months
Occurrence of Serious Adverse Events (SAEs) in participants treated with at least 1 dose of linvoseltamab
Time frame: Up to 12 months
Severity of SAEs in participants treated with at least 1 dose of linvoseltamab
Time frame: Up to 12 months
Achievement of Partial Response or better (≥PR) per International Myeloma Working Group (IMWG) criteria
Time frame: Up to 12 months
Duration Of Response (DOR)
Time frame: Up to 12 months
Progression-Free Survival (PFS)
Time frame: Up to 12 months
Overall Survival
Time frame: Up to 12 months
Time To Response (TTR)
Time frame: Up to 12 months
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