A Study to Learn About the Study Medicine Called PF-07248144 in Combination With Fulvestrant in People With HR-positive, HER2-negative Advanced or Metastatic Breast Cancer Who Progressed After a Prior Line of Treatment.

Official title

An Interventional, Open-Label, Randomized, Multicenter, Phase 3 Study of PF-07248144 Plus Fulvestrant Compared to Investigator's Choice of Therapy in Adult Participants With Hormone Receptor-Positive, HER2-Negative Advanced/Metastatic Breast Cancer Whose Disease Progressed After Prior CDK4/6 Inhibitor-based Therapy

Study identification

NCT ID

NCT07062965

Recruitment status

Recruiting

Study type

Interventional

Phase

Phase 3

Lead sponsor

Pfizer

Industry

Enrollment

400 participants

Conditions and interventions

Eligibility (public fields only)

Age range

18 Years and older

Sex

All

Healthy volunteers

Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date

Aug 4, 2025

Primary completion

Jul 21, 2027

Completion

Nov 3, 2030

Last update posted

May 5, 2026

2025 – 2030

United States locations

U.S. sites

102

U.S. states

18

U.S. cities

88

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 100 non-U.S. sites.