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New study aims to reduce radiation side effects in breast cancer patients

NCT ID NCT07537712

Symptom relief Sponsor: Ruijin Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study compares two types of radiation therapy—proton and photon—given after breast cancer surgery to see which causes fewer side effects. Researchers will track 750 women for one year, monitoring heart, lung, skin, and lymph node problems. The goal is to find a gentler treatment that improves quality of life without compromising cancer control.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

About 750 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Apr 2026

An estimate. Start dates often move.

Expected to finish

Dec 2027

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Breast cancer patients aged ≥18 years with histologically confirmed disease and indications for postoperative radiotherapy as determined by the treating physician, who are willing to receive radiotherapy using IMPT or IMRT.

Ages

18 years and older

Sex

Female participants only

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: 1. Female patients aged ≥18 years. 2. Pathological diagnosis of invasive breast cancer or ductal carcinoma in situ. 3. Undergone breast-conserving surgery or total mastectomy, with or without stage I breast reconstruction. 4. For invasive carcinoma, sentinel lymph node biopsy, axillary lymph node sampling, or axillary lymph node dissection was performed. 5. Required postoperative adjuvant radiotherapy. 6. Karnofsky Performance Status (KPS) score ≥ 70. 7. The estimated life expectancy of greater than 5 years . 8. Planned to receive photon intensity-modulated radiotherapy (IMRT) or proton IMRT, with written informed consent obtained. Exclusion Criteria: 1. Prior history of chest radiotherapy. 2. Severe cardiopulmonary dysfunction or other conditions that contraindicate radiotherapy. 3. Pregnancy or breastfeeding. 4. Concurrent active malignancies.

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Conditions

The condition(s) this trial relates to.

breast cancer breast neoplasm

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Breast cancer

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Ruijin Hospital, Shanghai Jiaotong University School of Medicine

    Shanghai, Shanghai 200025, China

More trials for these conditions

Other studies related to the condition(s) this trial covers.