# Assessing the Accuracy of Tumor Biopsies After Chemotherapy to Determine if Patients Can Avoid Breast Surgery

> **NCT03188393** · PHASE2 · COMPLETED · sponsor: **NRG Oncology** · enrollment: 105 (actual)

## Conditions studied

- Invasive Breast Carcinoma
- Stage II Breast Cancer
- Stage IIA Breast Cancer
- Stage IIB Breast Cancer
- Stage IIIA Breast Cancer

## Interventions

- **PROCEDURE:** Biopsy of Breast

## Key facts

- **NCT ID:** NCT03188393
- **Lead sponsor:** NRG Oncology
- **Sponsor class:** OTHER
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2017-04-13
- **Primary completion:** 2019-07-05
- **Final completion:** 2022-12-01
- **Target enrollment:** 105 (ACTUAL)
- **Last updated:** 2025-05-22

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03188393

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03188393, "Assessing the Accuracy of Tumor Biopsies After Chemotherapy to Determine if Patients Can Avoid Breast Surgery". Retrieved via AI Analytics 2026-05-25 from https://api.ai-analytics.org/clinical/NCT03188393. Licensed CC0.

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