# A Study of Accelerated 3 Fraction Photon,Proton or Brachytherapy for Early Invasive and Noninvasive Breast Ca

> **NCT02453737** · PHASE2 · COMPLETED · sponsor: **Mayo Clinic** · enrollment: 170 (actual)

## Conditions studied

- Breast Cancer

## Interventions

- **RADIATION:** Brachytherapy APBI
- **RADIATION:** 3D-CRT (photon) APBI
- **RADIATION:** Proton APBI

## Key facts

- **NCT ID:** NCT02453737
- **Lead sponsor:** Mayo Clinic
- **Sponsor class:** OTHER
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2015-06-16
- **Primary completion:** 2020-10-03
- **Final completion:** 2022-09-21
- **Target enrollment:** 170 (ACTUAL)
- **Last updated:** 2024-09-19


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02453737

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02453737, "A Study of Accelerated 3 Fraction Photon,Proton or Brachytherapy for Early Invasive and Noninvasive Breast Ca". Retrieved via AI Analytics 2026-07-13 from https://api.ai-analytics.org/clinical/NCT02453737. Licensed CC0.

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