# Higher Per Daily Treatment-Dose Radiation Therapy or Standard Per Daily Treatment Radiation Therapy in Treating Patients With Early-Stage Breast Cancer That Was Removed by Surgery

> **NCT01349322** · PHASE3 · ACTIVE_NOT_RECRUITING · sponsor: **Radiation Therapy Oncology Group** · enrollment: 2354 (actual)

## Conditions studied

- Breast Cancer

## Interventions

- **RADIATION:** Standard fractionation whole breast irradiation
- **RADIATION:** Hypofractionated whole breast irradiation
- **RADIATION:** Concurrent boost
- **RADIATION:** Sequential boost

## Key facts

- **NCT ID:** NCT01349322
- **Lead sponsor:** Radiation Therapy Oncology Group
- **Sponsor class:** NETWORK
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2011-05-24
- **Primary completion:** 2022-01-25
- **Final completion:** —
- **Target enrollment:** 2354 (ACTUAL)
- **Last updated:** 2026-03-05

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01349322

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01349322, "Higher Per Daily Treatment-Dose Radiation Therapy or Standard Per Daily Treatment Radiation Therapy in Treating Patients With Early-Stage Breast Cancer That Was Removed by Surgery". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT01349322. Licensed CC0.

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