A Real-life Study to Understand the Use and Effects of Palbociclib in US Patients With Breast Cancer
← catalyst calendarNCT06495164 · readout in 133 d
Sponsored by Pfizer (industry) · PFE — their whole pipeline →.
Phase
—
Status
Active, not recruiting
Study type
Observational
Enrollment
1estimated
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 | 2024-06-24 | actual | When the study began enrolling |
| Primary completion | 2026-12-30 | estimated | The date the last participant is measured for the primary outcome — the readout window |
| Study completion | 2026-12-30 | estimated | The whole study's end, after follow-up |
| First posted | 2024-07-10 | actual | When this record first appeared on the registry |
| Results posted | — | When the sponsor posted results to the registry | |
| Record updated | 2025-11-25 | actual | The sponsor's own last edit to this record — every projection above is as current as this date |
What it studies
Conditions
- Breast Cancer
- Malignant Neoplasm of Breast
Interventions
- Drug: Palbociclib — also filed as Ibrance
- Drug: Aromatase inhibitor — also filed as a class of drugs included in the study: letrozole (Femara), anastrozole (Arimidex), and exemestane (Aromasin)
- Drug: Ribociclib — also filed as Kisqali
- Drug: Abemaciclib — also filed as Verzenio
Primary outcome
what the primary-completion date above is the date OFOverall Survival (OS)
measured From start of index line of therapy to death, February 2015 - December 2022 or data cutoff
Publications
- PMID 42324670 — linked by the registry
- PMID 42095602 — linked by the registry
- PMID 41950642 — linked by the registry
- PMID 41830752 — linked by the registry
- PMID 40691446 — linked by the registry
Linked on the registry record. A “linked by the registry” entry is NLM's own automated PubMed match, not a claim by the sponsor that the paper reports this study.
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