Breast Cancer Clinical Trial
Official title:
A Phase 1 Open-Label, Multi-Center, Safety and Efficacy Study of PRT3645 in Participants With Select Advanced or Metastatic Solid Tumors
This is a Phase 1 dose-escalation study of PRT3645, a Cyclin-dependent Kinase 4/6 (CDK4/6) inhibitor, in patients with advanced or metastatic solid tumors. The purpose of this study is to investigate the safety, tolerability, dose limiting toxicity, and to determine maximally tolerated dose and recommended phase 2 dose to be used in subsequent development of PRT3645.
This is an open-label, multicenter, dose-escalation Phase 1 study of PRT3645, a CDK4/6 inhibitor, evaluating patients with selected advanced or metastatic solid tumors including breast cancer (BC), glioblastoma (GBM), non-small cell lung cancer (NSCLC), sarcomas, head and neck squamous cell carcinoma (HNSCC), malignant mesothelioma, and endometrial cancer. The study plan expects to evaluate approximately eight dose levels however additional dose levels may be explored. Taking into account pharmacokinetic and pharmacodynamic data from the preceding dose levels, the dose may be escalated until a dose limiting toxicity is identified. Up to 15 patients may be enrolled at a dose shown to be tolerated for confirmation of the MTD and/or RP2D. ;
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