# Elective Internal Mammary Node Irradiation in Women With Node-positive Breast Cancer

> **NCT04803266** · PHASE3 · UNKNOWN · sponsor: **Yonsei University** · enrollment: 747 (actual)

## Conditions studied

- Breast Neoplasms

## Interventions

- **RADIATION:** Internal mammary node irradiation
- **RADIATION:** No internal mammary node irradiation

## Key facts

- **NCT ID:** NCT04803266
- **Lead sponsor:** Yonsei University
- **Sponsor class:** OTHER
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2008-11-05
- **Primary completion:** 2023-02
- **Final completion:** 2023-02
- **Target enrollment:** 747 (ACTUAL)
- **Last updated:** 2021-03-17


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04803266

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04803266, "Elective Internal Mammary Node Irradiation in Women With Node-positive Breast Cancer". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04803266. Licensed CC0.

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