# Extended Adjuvant Treatment With Letrozole in Breast Cancer Who Complete 5 Years of Toremifene

> **NCT01072318** · PHASE4 · UNKNOWN · sponsor: **Korean Breast Cancer Study Group** · enrollment: 495 (estimated)

## Conditions studied

- Breast Cancer

## Interventions

- **DRUG:** Letrozole

## Key facts

- **NCT ID:** NCT01072318
- **Lead sponsor:** Korean Breast Cancer Study Group
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2010-01
- **Primary completion:** 2014-01
- **Final completion:** 2014-01
- **Target enrollment:** 495 (ESTIMATED)
- **Last updated:** 2010-02-22


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01072318

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01072318, "Extended Adjuvant Treatment With Letrozole in Breast Cancer Who Complete 5 Years of Toremifene". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT01072318. Licensed CC0.

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