Brief Summary
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 advancedat a late stage, far along 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.
Intervention / Treatment
- Drug: rezatapopt
- Drug: pembrolizumab
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