# Studying Tissue Samples From Women With Breast Cancer Who Were Treated on Clinical Trial NCCTG-N9831

> **NCT00898898** · — · COMPLETED · sponsor: **Alliance for Clinical Trials in Oncology** · enrollment: 2837 (actual)

## Conditions studied

- Breast Cancer

## Interventions

- **OTHER:** diagnostic laboratory biomarker analysis

## Key facts

- **NCT ID:** NCT00898898
- **Lead sponsor:** Alliance for Clinical Trials in Oncology
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2000-05
- **Primary completion:** 2010-01
- **Final completion:** 2019-04
- **Target enrollment:** 2837 (ACTUAL)
- **Last updated:** 2019-07-02

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00898898

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00898898, "Studying Tissue Samples From Women With Breast Cancer Who Were Treated on Clinical Trial NCCTG-N9831". Retrieved via AI Analytics 2026-07-12 from https://api.ai-analytics.org/clinical/NCT00898898. Licensed CC0.

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