# Observational Study of Intra-operative Partial Irradiation of Invasive Ductal Breast Carcinomas With a Good Prognosis

> **NCT04414202** · — · ACTIVE_NOT_RECRUITING · sponsor: **Institut du Cancer de Montpellier - Val d'Aurelle** · enrollment: 519 (actual)

## Conditions studied

- Invasive Breast Cancer
- Breast-conserving Surgery

## Interventions

- **PROCEDURE:** tumorectomy with axillary dissection (sentinel lymph node)
- **RADIATION:** per-operative partial irradiation

## Key facts

- **NCT ID:** NCT04414202
- **Lead sponsor:** Institut du Cancer de Montpellier - Val d'Aurelle
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2009-12-15
- **Primary completion:** 2023-10-16
- **Final completion:** 2030-12
- **Target enrollment:** 519 (ACTUAL)
- **Last updated:** 2026-05-01


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04414202

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04414202, "Observational Study of Intra-operative Partial Irradiation of Invasive Ductal Breast Carcinomas With a Good Prognosis". Retrieved via AI Analytics 2026-05-24 from https://api.ai-analytics.org/clinical/NCT04414202. Licensed CC0.

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