Overview
Phase 1b, open-label study evaluating the safety, tolerability, pharmacokinetics, preliminary antitumor activity, and pharmacodynamics of OPN-6602 monotherapy and in combination with dexamethasone in subjects with relapsed and/or refractory MM.
Eligibility
Inclusion Criteria:
- Confirmed diagnosis of multiple myeloma (MM)
- Relapsed or refractory to 3 or more different prior lines of therapy for MM that included immunomodulatory agents, proteosome inhibitors, and anti-CD38 antibody and not a candidate for or intolerant to established therapy known to provide clinical benefit
- Adequate hematologic, renal, liver, cardiac function
Exclusion Criteria:
- Monoclonal gammopathy of undetermined significance (MGUS), smoldering myeloma, Waldenström's macroglobulinemia, or IgM myeloma
- Active plasma cell leukemia
- Polyneuropathy, organomegaly, endocrinopathy, monoclonal protein and skin changes (POEMS syndrome)
- Prior Stevens Johnson syndrome
- Localized radiation therapy to disease site(s) within 2 weeks of the first dose
- Prior autologous peripheral stem cell transplant or prior autologous bone marrow transplantation within <90 days of the first dose of study drug
- Prior allogeneic stem cell transplantation or solid organ transplantation within 12 months of screening; subjects receiving immunosuppressive medication for active graft vs host disease will be excluded.
- Prior chemotherapy, targeted anticancer or radiation therapy within 2 weeks prior to first dose of study drug
- Concomitant high-dose corticosteroids (except subjects on chronic steroids given for disorders other than myeloma)
- Known central nervous system involvement by multiple myeloma
- Active known second malignancy with exception of adequately treated basal cell carcinoma, squamous cell carcinoma of the skin, or in situ cervical cancer; adequately treated Stage 1 cancer from which the subject is currently in remission and has been in remission for ≥2 years; low-risk prostate cancer with a Gleason score <7 and a PSA level <10 ng/mL; any other cancer from which the subject has been disease-free for ≥3 years
- Ongoing systemic infection requiring parenteral treatment
- Poorly controlled Type 2 diabetes