Clinical trial Recruiting at 1 site Observational Ages 55 and up Women only

Breast conserving surgery with intraoperative radiotherapy for early breast cancer

Official title: Clinical Study of Breast Conserving Surgery Combined With Intraoperative Radiotherapy for Early Breast Cancer

Run by Hebei Medical University Fourth Hospital · NCT06375798 · Data updated 2026-11-12

This study is testing whether a new type of radiation given during breast-conserving surgery can help early breast cancer patients have fewer complications and better results compared to the standard radiation treatment.

More Breast Cancer trials

Quick facts

Study typeObservational
Ages55 Years and up
SexWomen only
Enrollment620 (estimated)
SponsorHebei Medical University Fourth Hospital
Academic / other
Drugs / interventionsradiation, chemotherapy
Locations1 site (Shijiazhuang, Hebei)
StatusRecruiting
StartedNovember 19, 2020
Main results expectedNovember 19, 2026
Study endsNovember 19, 2026
Registry record updatedSeptember 15, 2025
Trial IDNCT06375798 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are women aged 55 and older with HER2-negative invasive breast cancer or DCIS who wish to undergo breast-conserving surgery.

Probably not a fit

Patients with bilateral or multifocal breast cancer, previous breast cancer, or active connective tissue diseases may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This observational study analyzes the local recurrence rate, incidence of incision complications, and aesthetic outcomes of intraoperative radiotherapy (IORT) combined with breast-conserving surgery in early breast cancer patients. A total of 620 patients are included, with some receiving IORT and others undergoing whole breast irradiation (WBI) based on their preferences. The study aims to evaluate the effectiveness of IORT compared to traditional WBI in terms of patient outcomes and satisfaction. The treatment regimens are tailored based on postoperative pathology and immunohistochemical reports.

Why it matters

Potential benefit: If successful, this approach could lead to improved local control of breast cancer and better cosmetic outcomes for patients.

How similar studies have gone: Other studies have shown promising results with intraoperative radiotherapy, suggesting potential benefits in similar patient populations.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. Age ≥55 years old;
2. Cytology or histology confirmed invasive breast cancer or intraductal carcinoma in situ (DCIS) with a clinical stage of Tis-1N0M0;
3. Patients who are willing to preserve milk and intend to undergo breast-conserving surgery;
4. If invasive breast cancer is confirmed, the surgical margin negative ≥2mm should be met. If DCIS is confirmed, the surgical margin should be negative ≥3mm;
5. ER≥ 30% and PR≥ 1%, HER2 negative;
6. Voluntary participation in this study, signed informed consent, good compliance, cooperate with follow-up.

Exclusion Criteria:

1. Simultaneous diagnosis of bilateral or multifocal breast cancer;
2. Previous ipsilateral breast cancer and/or prior chest wall radiation therapy;
3. There are active connective tissue diseases such as scleroderma and systemic lupus erythematosus in the chest;
4. The investigators did not consider the patient suitable for participation in any other conditions of the study.

Where it's running

  • The Fourth Hospital of Hebei Medical University
    Shijiazhuang, Hebei, China
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.