# Hypofractionated Radiation Therapy in Treating Participants With Breast Cancer Before Surgery

> **NCT03624478** · PHASE2 · COMPLETED · sponsor: **Mayo Clinic** · enrollment: 25 (actual)

## Conditions studied

- Anatomic Stage I Breast Cancer AJCC v8
- Anatomic Stage IA Breast Cancer AJCC v8
- Anatomic Stage IB Breast Cancer AJCC v8
- Anatomic Stage IIA Breast Cancer AJCC v8
- Prognostic Stage I Breast Cancer AJCC v8
- Prognostic Stage IA Breast Cancer AJCC v8
- Prognostic Stage IB Breast Cancer AJCC v8
- Prognostic Stage IIA Breast Cancer AJCC v8

## Interventions

- **RADIATION:** Hypofractionated Radiation Therapy

## Key facts

- **NCT ID:** NCT03624478
- **Lead sponsor:** Mayo Clinic
- **Sponsor class:** OTHER
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2018-11-20
- **Primary completion:** 2021-06-30
- **Final completion:** 2025-09-24
- **Target enrollment:** 25 (ACTUAL)
- **Last updated:** 2026-05-15


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03624478

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03624478, "Hypofractionated Radiation Therapy in Treating Participants With Breast Cancer Before Surgery". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT03624478. Licensed CC0.

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