# Studying Blood and Tumor Tissue Samples in Women With Invasive Breast Cancer, Ductal or Lobular Carcinoma in Situ, or Benign Breast Disease

> **NCT00898508** · — · COMPLETED · sponsor: **City of Hope Medical Center** · enrollment: 563 (actual)

## Conditions studied

- Breast Cancer

## Interventions

- **GENETIC:** gene expression analysis
- **GENETIC:** mutation analysis
- **GENETIC:** proteomic profiling
- **GENETIC:** reverse transcriptase-polymerase chain reaction
- **OTHER:** fluorescent antibody technique
- **OTHER:** immunohistochemistry staining method
- **OTHER:** laboratory biomarker analysis
- **OTHER:** liquid chromatography
- **OTHER:** mass spectrometry
- **OTHER:** medical chart review
- **PROCEDURE:** quality-of-life assessment

## Key facts

- **NCT ID:** NCT00898508
- **Lead sponsor:** City of Hope Medical Center
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2005-08
- **Primary completion:** 2019-06-06
- **Final completion:** 2019-06-06
- **Target enrollment:** 563 (ACTUAL)
- **Last updated:** 2025-06-25

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00898508

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00898508, "Studying Blood and Tumor Tissue Samples in Women With Invasive Breast Cancer, Ductal or Lobular Carcinoma in Situ, or Benign Breast Disease". Retrieved via AI Analytics 2026-05-25 from https://api.ai-analytics.org/clinical/NCT00898508. Licensed CC0.

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