Condition: Breast Cancer · HER2-positive Breast Cancer · Hormone Receptor-Positive Breast Cancer · Sponsor: Tianjin Medical University Cancer Institute and Hospital
This is an open-label, single-center, exploratory, Phase Ib/II clinical trial evaluating the safety and efficacy of entinostat combined with pyrotinib and endocrine therapy in patients with advanced hormone receptor-positive (HR+) and human epidermal growth factor receptor 2-positive (HER2+) breast cancer who have failed prior trastuzumab-based therapy. The study consists of two parts: Part I (Phase Ib) employs a 3+3 dose-escalation design to determine the dose-limiting toxicity (DLT), maximum tolerated dose (MTD), and recommended Phase II dose (RP2D) of entinostat when given in combination with pyrotinib (400 mg daily) and endocrine therapy. Part II (Phase II) uses a Simon two-stage design to further evaluate the efficacy and safety of the combination at the RP2D. The primary efficacy endpoint is progression-free survival (PFS) based on RECIST v1.1. A total of approximately 79-94 participants will be enrolled.
This description comes directly from the study's public registry record.
Yehui Shi, MD, PhD · +86 18622221183 · shiyehui@tjmuch.com
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| Tianjin Medical University Cancer Institute and Hospital | Tianjin, Tianjin Municipality, China | Recruiting |
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Source record: clinicaltrials.gov/study/NCT07708194