A Phase 3 Randomized Study Comparing QLS32015 Monotherapy Versus Pomalidomide, Dexamethasone (Pd) or Selinexor, Dexamethasone (Sd) in Participants With Relapsed or Refractory Multiple Myeloma
The purpose of this study is to compare the safety and efficacy of QLS32015 with Pd/Sd for the treatment of relapsed or refractory multiple myeloma.
• Age ≥18 years old, regardless of gender.
• Subjects should be willing and able to comply with the study schedule and protocols.
• Documented initial diagnosis of multiple myeloma according to International Myeloma Working Group (IMWG) diagnostic criteria.Must have measurable disease as defined by the following: Serum M-protein greater than or equal to 1 g/dL; OR Urine M-protein greater than or equal to 200 mg/24 hours; OR Serum free light chain (FLC) assay; involved FLC level greater than or equal to 10 mg/dL provided the serum FLC ratio is abnormal.
• Received at least 3 prior lines of therapy, including a proteasome inhibitor (PI), an immunomodulatory drug, and an anti-CD38 monoclonal antibody (mAb).