# Registry for Intra-Operative Radiotherapy During Breast Conserving Surgery in Patients With Early Stage Breast Cancer

> **NCT04603209** · — · RECRUITING · sponsor: **Saint John's Cancer Institute** · enrollment: 1000 (estimated)

## Conditions studied

- Early-stage Breast Cancer
- Breast Carcinoma in Situ
- Breast Neoplasms

## Interventions

- **RADIATION:** Intraoperative Radiation Therapy (IORT)

## Key facts

- **NCT ID:** NCT04603209
- **Lead sponsor:** Saint John's Cancer Institute
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2018-10-03
- **Primary completion:** 2028-10-03
- **Final completion:** 2028-10-03
- **Target enrollment:** 1000 (ESTIMATED)
- **Last updated:** 2024-04-16


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04603209

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04603209, "Registry for Intra-Operative Radiotherapy During Breast Conserving Surgery in Patients With Early Stage Breast Cancer". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04603209. Licensed CC0.

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