# Individualized Locoregional Treatment of Initially Biopsy-proven Node-positive Breast Cancer After Primary Systemic Therapy

> **NCT04281355** · PHASE3 · WITHDRAWN · sponsor: **Karolinska Institutet**

## Conditions studied

- Breast Cancer

## Interventions

- **PROCEDURE:** Omission of axillary lymph node dissection
- **RADIATION:** Omission of regional irradiation

## Key facts

- **NCT ID:** NCT04281355
- **Lead sponsor:** Karolinska Institutet
- **Sponsor class:** OTHER
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** WITHDRAWN
- **Start date:** 2021-01-01
- **Primary completion:** 2025-12-31
- **Final completion:** 2029-12-31
- **Target enrollment:** 0 (ACTUAL)
- **Why stopped:** lack of funding
- **Last updated:** 2021-02-25


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04281355

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04281355, "Individualized Locoregional Treatment of Initially Biopsy-proven Node-positive Breast Cancer After Primary Systemic Therapy". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04281355. Licensed CC0.

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