NotablePrimary endpoints: details revised at 7 of 10 entries
Eligibility criteria expanded, about 13 words
Site details revised at 1 of 28 sites
NotablePrimary and study completion pushed from Sep 30, 2026 to Dec 31, 2027v33
2 versionsRe-verified since Jul 2, 2026, no change to tracked fieldsv31-v32
Study Status, Contacts/Locations, Referencesv30
2 versionsRe-verified since Apr 3, 2026, no change to tracked fieldsv28-v29
Show 26 earlier versionsHide 26 earlier versions
MinorStudy sites: 26 to 28v27
4 versionsRe-verified since Nov 14, 2025, no change to tracked fieldsv23-v26
MinorSite details revised at 1 of 26 sitesv22
2 versionsRe-verified since Aug 5, 2025, no change to tracked fieldsv20-v21
MinorStudy sites revised (26)v19
4 versionsRe-verified since Mar 18, 2025, no change to tracked fieldsv15-v18
MinorPrimary and study completion dates: Jan 28, 2027 to Sep 30, 2026v14
MinorStudy sites: 25 to 26v13
4 versionsRe-verified since Sep 24, 2024, no change to tracked fieldsv9-v12
MinorStudy sites: 24 to 25v8
MinorStudy sites: 18 to 24v7
MinorStudy sites: 12 to 18v6
MinorStudy sites: 9 to 12v5
MinorStudy sites: 3 to 9v4
MinorStudy sites: 1 to 3
Start date changed from estimate of Apr 15, 2024 to Apr 2, 2024
v3
NotableStart date: Feb 12, 2024 to Apr 15, 2024v2
Study First Submitted
Notable: the trial’s plan changed such as a big move in its timeline or size, a new primary endpoint, sponsor or phase, or recruiting opened or resumed.
Minor: routine progress and housekeeping, such as sites added or enrollment closed.
This study will evaluate mechanisms of resistance to anti-breast cancer therapies in tumor and blood samples from participants with human epidermal growth factor receptor (HER2) positive, hormone receptor (HR) positive or triple negative breast cancer.