# Studying Tumor Samples From Women Who Have Undergone Chemotherapy for Breast Cancer

> **NCT00897845** · — · COMPLETED · sponsor: **ECOG-ACRIN Cancer Research Group** · enrollment: 2541 (actual)

## Conditions studied

- Breast Cancer

## Interventions

- **GENETIC:** RNA analysis
- **GENETIC:** microarray analysis
- **OTHER:** immunohistochemistry staining method
- **OTHER:** laboratory biomarker analysis

## Key facts

- **NCT ID:** NCT00897845
- **Lead sponsor:** ECOG-ACRIN Cancer Research Group
- **Sponsor class:** NETWORK
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2008-06-17
- **Primary completion:** 2013-12-02
- **Final completion:** 2013-12-02
- **Target enrollment:** 2541 (ACTUAL)
- **Last updated:** 2017-05-17

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00897845

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00897845, "Studying Tumor Samples From Women Who Have Undergone Chemotherapy for Breast Cancer". Retrieved via AI Analytics 2026-07-12 from https://api.ai-analytics.org/clinical/NCT00897845. Licensed CC0.

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