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Clinical Trial Summary

The researchers are doing this study to find out whether the study drug onapristone ER, combined with the standard treatment for your cancer (letrozole and palbociclib), is a safe treatment for people who have metastatic or unresectable ER+/PR+/HER2- breast cancer. The researchers will test different doses of the study drug to find the highest dose that causes few or mild side effects.


Clinical Trial Description

n/a


Study Design


Related Conditions & MeSH terms


NCT number NCT04872608
Study type Interventional
Source Memorial Sloan Kettering Cancer Center
Contact
Status Withdrawn
Phase Phase 1
Start date September 9, 2021
Completion date April 25, 2023

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