A Study to Learn About the Study Medicine Called PF-07220060 in Combination With Fulvestrant in People With HR-positive, HER2-negative Advanced or Metastatic Breast Cancer Who Progressed After a Prior Line of Treatment
- Conditions
- Health Condition 1: C509- Malignant neoplasm of breast of unspecified site
- Registration Number
- CTRI/2024/07/069956
- Lead Sponsor
- Pfizer Inc.
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- ot Yet Recruiting
- Sex
- Not specified
- Target Recruitment
- 0
Histological confirmation of breast cancer with evidence of locally advanced or metastatic disease, which is not amenable to surgical resection or radiation therapy with curative intent.
- Documented estrogen receptor (ER) and/or progesterone receptor (PR)- positive tumor
- Documented HER2-negative tumor
- Able to provide a sufficient amount of representative formalin fixed, paraffin embedded (FFPE) tumor tissue specimen.
- Must have received CDK4/6i plus NSAI defined per study protocol. There must be documented PD during or after CDK4/6i treatment.
- Measurable disease or non-measurable bone only disease as defined by RECIST version 1.1.
- Eastern Cooperative Oncology Group (ECOG) Performance Status (PS) less than equal to 2.
- Any medical or psychiatric condition that may increase the risk of study participation or make the participant inappropriate for the study.
- In visceral crisis at risk of immediately life-threatening complications in the short term.
- Known active uncontrolled or symptomatic central nervous system metastases, carcinomatous meningitis, or leptomeningeal disease.
- Prior treatment with any of the following:
- Everolimus or investigational anti-cancer agents in any setting
- Prior chemotherapy in the advanced setting
- Radiation within 2 weeks of randomization
- Current use or anticipated need for any prohibited food, supplements or concomitant medication(s) (ie, other anti-cancer therapies, other endocrine therapies, growth factors, chronic systemic corticosteroids, strong cytochrome P450 3A4/5 [CYP3A4/5] or uridine 5 diphosphate-glucuronosyltransferase 2B7 [UGT2B7] inhibitors and inducers, direct oral anticoagulants, proton pump inhibitors).
- Inadequate renal function, hepatic dysfunction, or hematologic abnormalities.
Study & Design
- Study Type
- Interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method
- Secondary Outcome Measures
Name Time Method