# Intermittent Letrozole Therapy in Postmenopausal Women With Metastatic Breast Cancer

> **NCT00549822** · PHASE2 · TERMINATED · sponsor: **Massachusetts General Hospital** · enrollment: 3 (actual)

## Conditions studied

- Breast Cancer

## Interventions

- **DRUG:** Letrozole

## Key facts

- **NCT ID:** NCT00549822
- **Lead sponsor:** Massachusetts General Hospital
- **Sponsor class:** OTHER
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** TERMINATED
- **Start date:** 2007-10
- **Primary completion:** 2010-05
- **Final completion:** 2013-09
- **Target enrollment:** 3 (ACTUAL)
- **Why stopped:** Slow Accrual
- **Last updated:** 2017-03-22

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00549822

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00549822, "Intermittent Letrozole Therapy in Postmenopausal Women With Metastatic Breast Cancer". Retrieved via AI Analytics 2026-05-29 from https://api.ai-analytics.org/clinical/NCT00549822. Licensed CC0.

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