NCT05372640 2026-05-13Testing the Safety and Efficacy of the Combination of Two Anti-cancer Drugs, ZEN003694 and Abemaciclib, for Adult and Pediatric Patients (12-17 Years) With Metastatic or Unresectable NUT Carcinoma, Breast Cancer and Other Solid TumorsNational Cancer Institute (NCI)Phase 1 Recruiting45 enrolled