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One-and-Done boost: robot radiation may cut skin damage in breast cancer

NCT ID NCT02867423

Disease control Sponsor: Centre Antoine Lacassagne 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
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tested whether a single, precise dose of radiation from a CyberKnife robot could replace multiple standard boost treatments after whole-breast radiation in 29 women with early-stage breast cancer. The goal was to reduce skin side effects like redness and swelling while keeping the cancer under control. Participants had surgery first, then received the CyberKnife boost in one session instead of several.

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.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

29 people

The number who actually took part.

Start date

Feb 2011

Finished

Jul 2018

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.

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. unifocal breast cancer histologically proven 2. Age\> 18 years old, in good general condition (ECOG 0-2) 3. No cons-indication for radiotherapy 4. Patient who underwent lumpectomy and axillary dissection or sentinel node technique. 5. carcinoma histology ductal or lobular carcinoma 6. surgical margins microscopically without residual disease (\> 1 mm) 7. tumors classes T1 or T2, N0 Exclusion criteria 1. residual calcifications on X-ray examination 2. Inflammatory breast cancer, ductal (and / or in situ) and invasive lobular 3. multifocal breast Cancer 4. prior Breast radiotherapy 5. Patient who received chemotherapy

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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

Contacts and locations

Locations

  • Centre Antoine LACASSAGNE

    Nice, 06189, France

More trials for these conditions

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