# Hypofractionated Radiotherapy Post-Lumpectomy in Women With Node Negative Breast Cancer

> **NCT00156052** · NA · COMPLETED · sponsor: **Ontario Clinical Oncology Group (OCOG)** · enrollment: 1234 (actual)

## Conditions studied

- Breast Cancer

## Interventions

- **RADIATION:** Conventional whole breast radiation schedule
- **RADIATION:** Hypofractionated whole breast radiation schedule

## Key facts

- **NCT ID:** NCT00156052
- **Lead sponsor:** Ontario Clinical Oncology Group (OCOG)
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 1993-04
- **Primary completion:** 2015-06
- **Final completion:** 2015-06
- **Target enrollment:** 1234 (ACTUAL)
- **Last updated:** 2015-06-08


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00156052

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00156052, "Hypofractionated Radiotherapy Post-Lumpectomy in Women With Node Negative Breast Cancer". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT00156052. Licensed CC0.

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