Overview

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.

Eligibility

Inclusion Criteria:

• 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).

Exclusion Criteria:

• Known hypersensitivity to any of the ingredients of this product.
• Diagnosis of active plasma cell leukemia or systemic light chain amyloidosis.
• Has any active severe mental illness, medical illness, or other symptoms/conditions that may affect treatment, compliance, or the ability to provide informed consent, as determined by the investigator.
• Disease is considered refractory to pomalidomide and selinexor.