# A Study to Learn About the Study Medicine PF-07220060 Together With Letrozole Compared to Letrozole Alone in Women Post Menopause

> **NCT06465368** · PHASE2 · COMPLETED · sponsor: **Pfizer** · enrollment: 121 (actual)

## Conditions studied

- Breast Cancer

## Interventions

- **DRUG:** PF-07220060
- **DRUG:** letrozole

## Key facts

- **NCT ID:** NCT06465368
- **Lead sponsor:** Pfizer
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2024-07-11
- **Primary completion:** 2025-07-10
- **Final completion:** 2025-07-10
- **Target enrollment:** 121 (ACTUAL)
- **Last updated:** 2025-10-01


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT06465368

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT06465368, "A Study to Learn About the Study Medicine PF-07220060 Together With Letrozole Compared to Letrozole Alone in Women Post Menopause". Retrieved via AI Analytics 2026-06-08 from https://api.ai-analytics.org/clinical/NCT06465368. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*