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Clinical Trial Summary

This is a multicenter, open-label, phase Ib study designed to evaluate the safety, tolerability, pharmacokinetics and preliminary efficacy of CYH33 administered orally in combination with standard-of-care ET ± CDK4/6 inhibitor therapies for the treatment of locally advanced, recurrent or metastatic hormone-receptor positive (HR+), human epidermal growth factor receptor 2 negative (HER2-) breast cancer. Patients will be enrolled in two stages, including dose exploration phase (Stage 1) and dose expansion phase (Stage 2) of each cohort.


Clinical Trial Description

n/a


Study Design


Related Conditions & MeSH terms


NCT number NCT04856371
Study type Interventional
Source Haihe Biopharma Co., Ltd.
Contact Yong Yuan, MD
Phone 86 13820384005
Email yong.yuan@haihepharma.com
Status Not yet recruiting
Phase Phase 1
Start date April 2021
Completion date December 2022

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