Real-World Outcomes of Patients With Metastatic Breast Cancer After Treatment With First-Line ET+CDK4/6i
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Phase
—
Status
Completed
Study type
Observational
Enrollment
1,415actual
Sites
1
Country
United States
Every value on this page is a field the sponsor filed with ClinicalTrials.gov, reproduced. Dates are their own estimates, revised as a study runs, unless the registry marks them actual. sources →
Source: ClinicalTrials.gov, retrieved 2026-08-19
Dates
each axis at the precision it was filed, with the registry's own basis| Date | Filed | Basis | What it is |
|---|---|---|---|
| Start | 2025-04-14 | actual | When the study began enrolling |
| Primary completion | 2025-05-08 | actual | The date the last participant is measured for the primary outcome — the readout window |
| Study completion | 2025-08-05 | actual | The whole study's end, after follow-up |
| First posted | 2025-05-16 | actual | When this record first appeared on the registry |
| Results posted | — | When the sponsor posted results to the registry | |
| Record updated | 2025-10-07 | actual | The sponsor's own last edit to this record — every projection above is as current as this date |
What it studies
Condition
- Advanced/Metastatic HER2-negative Breast Cancer
Intervention
- Other: No drug
Primary outcome
what the primary-completion date above is the date OFReal-world progression-free survival (rwPFS)
measured Baseline up to end of observation period, approximately 7 years 9 months
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