About this trial
The purpose of this study is to establish a safe and tolerable dose of arlocabtagene autoleucel (BMS-986393) in combinations with alnuctamab, mezigdomide, iberdomide, and elranatamab in participants with relapsed and/or refractory multiple myeloma (RRMM).
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
History of relapsed and/or refractory multiple myeloma (RRMM) treated with at least 3 (Part 1), history of RRMM or at least 1 but not greater than 3 prior anti-myeloma treatment (PAMT) regimens (Part 2, Arms A, B, C, and D); history of quadruple class exposed RRMM having received BCMA TCE as the most recent line of therapy (Part 2, Arm E).
Measurable multiple myeloma (MM) as per International Myeloma Working Group (IMWG).
Eastern Cooperative Oncology Group performance status of 0-1.
Adherence to contraception requirements.
Disqualifiers
Prior treatment with alnuctamab (Arm A), mezigdomide (Arms B and E), iberdomide (Arm C), elranatamab (Arm D) or BCMA-targeting therapy (Part 2 Arms A and D).
Prior treatment with GPRC5D-targeting therapies as of Protocol Amendment 02 (Part 1 and Part 2).
Other protocol-defined inclusion/exclusion criteria apply.
Trial design
Sequential
Treatments tested in this trial
BMS-986393
DrugSpecified dose on specified days
Alnuctamab
DrugSpecified dose on specified days
Mezigdomide
DrugSpecified dose on specified days
Iberdomide
DrugSpecified dose on specified days
Elranatamab
DrugSpecified dose on specified days
Dexamethasone
DrugSpecified dose on specified days
Treatment groups
Trial outcomes
Primary outcomes
Incidence of adverse events (AEs)
Incidence of serious adverse events (SAEs)
Incidence of adverse events of special interest (AESI)
Incidence of AEs leading to discontinuation
Secondary outcomes
Overall response rate (ORR)
Complete response rate (CRR)
Very good partial response rate (VGPRR)
Maximum observed concentration (Cmax) of arlocabtagene autoleucel
Sponsors and contacts
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