PMV Pharmaceuticals, Inc
The Phase 2 monotherapy portion of this study is currently enrolling and will evaluate the efficacy and safety of PC14586 (INN rezatapopt) in participants with locally advanced or metastatic solid tumors harboring a TP53 Y220C mutation. The Phase 1 portion of the study will assess the safety, tolerability and preliminary efficacy of multiple dose levels of rezatapopt as monotherapy and in Phase 1b in combination with pembrolizumab.
Rezatapopt is a first-in-class, oral, small molecule p53 reactivator that is selective for the TP53 Y220C mutation. The primary objective of Phase 2 Monotherapy is to evaluate the efficacy of rezatapopt at the Recommended Phase 2 Dose (RP2D) including the Overall Response Rate (ORR) in the Ovarian Cancer Cohort and the ORR across all cohorts as determined by blinded independent central review. Secondary objectives of Phase 2 are to characterize the safety, pharmacokinetic (PK) properties, quality of life, and other efficacy measures of PC14586 rezatapopt at the RP2D. Enrollment is open for th…
Inclusion Criteria: * At least 18 years of age or 12 to 17 years of age after Safety Review Committee approval. * Locally advanced or metastatic solid malignancy with a TP53 Y220C mutation * Eastern Cooperative Oncology Group (ECOG) status of 0 or 1 * Previously treated with one or more lines of anticancer therapy and progressive disease * Adequate organ function * Measurable disease per RECIST v1.1 (Phase 2) Additional Criteria for Inclusion in Phase 1b (rezatapopt) + pembrolizumab combination) * Anti-PD-1/PD-L1 naive or must have progressed on treatment * Measurable disease Exclusion Cri…
First-in-class, oral, small molecule p53 reactivator selective for the TP53 Y220C mutation.
Participants receive pembrolizumab 200 mg by intravenous (IV) infusion over 30 minutes.