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Clinical Trial Summary

This study is a randomized, open-label, phase II study, comparing the efficacy and safety of trastuzumab plus aromatase inhibitors, with or without pyrotinib, in the treatment of HR (hormone receptor)+/HER2 (human epidermal growth factor receptor 2) + MBC and inoperable LABC patients.


Clinical Trial Description

This is a randomized, two-arm, open-label, multicenter phase II trial. Our primary purpose is to compare that PFS of patients with trastuzumab, AI plus pyrotinib and trastuzumab plus an AI for HER2-positive and hormone receptor-positive MBC or locally advanced breast cancer (LABC).

Eligible patients will randomized to a ratio of 1:1 to pyrotinib+ trastuzumab + aromatase inhibitor (experimental group) or trastuzumab+aromatase inhibitor (control group). Stratification factors were 1)time since adjuvant hormone therapy (<=12 months/>12 months/no prior hormone therapy); 2) lesion (visceral; non-visceral).

In treatment period, patients will be administrated trastuzumab plus aromatase inhibitors, with or without pyrotinib, every 21 days for 1 cycle, until disease progression, toxicity intolerance, withdrawal of informed consent, patients judged must be terminated study termination.

The imaging evaluation was performed according to the RECIST 1.1 criteria every 6 weeks. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT03910712
Study type Interventional
Source Peking Union Medical College Hospital
Contact Qiang Sun, M.D.
Phone 86-10-69158721
Email sunqiangpumch@sina.com
Status Not yet recruiting
Phase Phase 2
Start date June 1, 2019
Completion date December 1, 2023

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