# Breast Cancer With Intraoperative Radiotherapy Followed by Hypofractionated External Beam Radiotherapy

Source: https://onco.cc/trials/nct05498311/  
OnCo record `nct05498311` (Trial). Data CC BY-NC 4.0, attribute "Data from OnCo (onco.cc)"; commercial use needs a licence.

## TL;DR

A phase 2 trial of Intraoperative radiotherapy in Breast cancer, run by Institut Català d'Oncologia, with a status the registry has not verified recently.

## Summary

Breast Cancer With Intraoperative Radiotherapy Followed by Hypofractionated External Beam Radiotherapy is a phase 2 interventional study registered as NCT05498311 by Institut Català d'Oncologia, with 89 participants planned, started 2016-10-20 and due to reach its primary completion in 2023-12. Interventions recorded: Intraoperative Radiotherapy (IORT), Breast conservative surgery, External Beam Hypofractionated Radiotherapy (EBRT). Conditions recorded: Breast Cancer.

Linked to the technology Intraoperative radiotherapy because the registry names it ("intraoperative radiotherapy") among its interventions and Breast cancer among its conditions. Registry record only: no result has been read by an editor.

## Fields

- Kind: Trial
- Last checked: 2026-09-22
- Tags: pipeline; ctgov-ingest
- Registry id: NCT05498311
- Phase: 2
- Setting: Cosmetic Outcomes Following Conservative Surgery (With or Without Oncoplastic Surgery) for Breast Cancer With Intraoperative Radiotherapy (INTRABEAM) Followed by Hypofractionated External Beam Radiotherapy: a Phase II Trial
- Sponsor: Institut Català d'Oncologia
- Enrolled: 89

## Sources

- ClinicalTrials.gov NCT05498311: https://clinicaltrials.gov/study/NCT05498311

## Connected records

- cancers: [Breast cancer (all types)](https://onco.cc/cancers/breast-cancer/)
- technologies: [Intraoperative radiotherapy (IORT)](https://onco.cc/technologies/intraoperative-radiotherapy/)

---
JSON: https://onco.cc/api/v1/entities/nct05498311.json