# Retrospective Observational Trial on Reasons for Withdraw of Adjuvant Tamoxifen in Breast Cancer Patients

> **NCT00727883** · — · COMPLETED · sponsor: **AstraZeneca** · enrollment: 190 (actual)

## Conditions studied

- Breast Cancer

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT00727883
- **Lead sponsor:** AstraZeneca
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2007-07
- **Primary completion:** 2008-05
- **Final completion:** 2008-05
- **Target enrollment:** 190 (ACTUAL)
- **Last updated:** 2010-12-10


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00727883

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00727883, "Retrospective Observational Trial on Reasons for Withdraw of Adjuvant Tamoxifen in Breast Cancer Patients". Retrieved via AI Analytics 2026-06-03 from https://api.ai-analytics.org/clinical/NCT00727883. Licensed CC0.

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