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Clinical Trial Summary

The primary purpose of phase 1 portion of this study is to determine the maximum tolerated dose (MTD) and recommended phase 2 dose (RP2D) of H3B-6545 in women with locally advanced or metastatic estrogen receptor (ER)-positive, human epidermal growth factor 2 (HER2)-negative breast cancer. The primary purpose of phase 2 portion of this study is to estimate the efficacy of H3B-6545 in terms of best overall response rate, duration of response (DoR), clinical benefit rate (CBR), disease control rate (DCR), progression-free survival (PFS), and overall survival (OS) in all participants with ER-positive, HER2-negative breast cancer and in those with and without ER alpha mutation (including a clonal estrogen receptor 1 gene [ESR1] Y537S mutation).


Clinical Trial Description

n/a


Study Design


Related Conditions & MeSH terms


NCT number NCT03250676
Study type Interventional
Source Eisai Inc.
Contact
Status Completed
Phase Phase 1/Phase 2
Start date August 17, 2017
Completion date October 26, 2023

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