# Comparison of Acute Toxicity and Cost Between Whole Breast Irradiation With Sequential Boost and Simultaneous Integrated Boost After Breast Conserving Surgery.

> **NCT01973634** · PHASE2 · COMPLETED · sponsor: **University Hospital, Ghent** · enrollment: 170 (actual)

## Conditions studied

- Radiotherapy After Breast Conserving Surgery

## Interventions

- **RADIATION:** sequential boost (15 x 2.67 Gy WBI + 4 x 2.5 Gy boost)
- **RADIATION:** SIB (15 x 2.67 Gy WBI and SIB 15 x 2.67-3.12 Gy)
- **RADIATION:** sequential boost (15 x 2.67 Gy WBI + 6 x 2.48 Gy boost)
- **RADIATION:** SIB (15 x 2.67 Gy WBI and SIB 15 x 2.67-3.33 Gy)

## Key facts

- **NCT ID:** NCT01973634
- **Lead sponsor:** University Hospital, Ghent
- **Sponsor class:** OTHER
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2012-12
- **Primary completion:** 2015-12
- **Final completion:** 2021-03
- **Target enrollment:** 170 (ACTUAL)
- **Last updated:** 2022-12-02


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01973634

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01973634, "Comparison of Acute Toxicity and Cost Between Whole Breast Irradiation With Sequential Boost and Simultaneous Integrated Boost After Breast Conserving Surgery.". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT01973634. Licensed CC0.

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