About this trial
The purpose of this study is to compare the efficacy and safety of mezigdomide (CC-92480), bortezomib and dexamethasone (MeziVd) versus pomalidomide, bortezomib and dexamethasone (PVd) in participants with relapsed or refractory multiple myeloma (RRMM) who received between 1 to 3 prior lines of therapy and who have had prior lenalidomide exposure.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Participants received 1 to 3 prior lines of antimyeloma therapy.
Participants achieved minimal response [MR] or better to at least 1 prior antimyeloma therapy.
Disqualifiers
For participants with prior treatment of a bortezomib containing regimen, the best response achieved was not a minimal response (MR) or better, or participant discontinued bortezomib due to toxicity.
Participant has had prior treatment with mezigdomide or pomalidomide.
Other protocol-defined Inclusion/Exclusion criteria apply.
Trial design
Parallel
Treatments tested in this trial
mezigdomide
DrugSpecified dose on specified days
Pomalidomide
DrugSpecified dose on specified days
Bortezomib
DrugSpecified dose on specified days
Dexamethasone
DrugSpecified dose on specified days
Treatment groups
Trial outcomes
Primary outcomes
Progression-free Survival (PFS)
Secondary outcomes
Recommended mezigdomide dose
Stage 1 only
Plasma concentrations of mezigdomide
Stage 1 only
Overall Survival (OS)
Overall Response (OR)
OR is defined as the number of participants who achieve best response of partial response (PR) or better according to the International Myeloma Working Group (IMWG) Response Criteria for Multiple Myeloma