# Hypofractionated Radiation Therapy in Preventing Recurrence in Patients With Breast Cancer After Surgery

> **NCT03324802** · PHASE3 · COMPLETED · sponsor: **Mayo Clinic** · enrollment: 107 (actual)

## Conditions studied

- Stage I Breast Cancer AJCC v7
- Stage IA Breast Cancer AJCC v7
- Stage IB Breast Cancer AJCC v7
- Stage II Breast Cancer AJCC v6 and v7
- Stage IIA Breast Cancer AJCC v6 and v7
- Stage IIB Breast Cancer AJCC v6 and v7
- Stage IIIA Breast Cancer AJCC v7

## Interventions

- **RADIATION:** Hypofractionated Radiation Therapy
- **OTHER:** Quality-of-Life Assessment
- **RADIATION:** Radiation Therapy

## Key facts

- **NCT ID:** NCT03324802
- **Lead sponsor:** Mayo Clinic
- **Sponsor class:** OTHER
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2018-02-07
- **Primary completion:** 2022-01-31
- **Final completion:** 2023-08-28
- **Target enrollment:** 107 (ACTUAL)
- **Last updated:** 2024-05-02


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03324802

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03324802, "Hypofractionated Radiation Therapy in Preventing Recurrence in Patients With Breast Cancer After Surgery". Retrieved via AI Analytics 2026-05-30 from https://api.ai-analytics.org/clinical/NCT03324802. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*