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New radiation approach aims to improve sarcoma surgery outcomes

NCT ID NCT07250334

Disease control Sponsor: Yonsei University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tests a new type of radiation called carbon ion radiotherapy given before surgery for soft tissue sarcoma. The goal is to see if it is safe and can reduce wound problems after surgery while better controlling the tumor. About 60 adults with sarcoma that can be removed will take part. The treatment involves eight radiation sessions over two weeks, followed by surgery six to eight weeks later.

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

About 60 people

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

Expected to start

Nov 2025

An estimate. Start dates often move.

Expected to finish

Sep 2028

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.

Ages

19 years and older

Sex

Anyone

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: * Adults aged 19 years or older. * Histologically confirmed soft tissue sarcoma deemed suitable for curative resection. * Determined by the Yonsei Cancer Center sarcoma multidisciplinary team that preoperative carbon-ion radiotherapy followed by surgery is appropriate, considering tumor histologic subtype, size, and location. * Eastern Cooperative Oncology Group (ECOG) performance status 0-1 or Karnofsky Performance Status (KPS) ≥ 70. * Adequate organ function (including hematologic, hepatic, and renal function) suitable for radiotherapy and surgery. * Voluntarily provided written informed consent. Exclusion Criteria: * Presence of distant metastases. * Inability to plan carbon-ion radiotherapy due to metallic implants or other factors at the tumor site. * History of prior radiotherapy to the same anatomical region. * Presence of other serious medical conditions or active infections that, in the investigator's judgment, could interfere with study participation. * Presence of active implanted electronic devices (e.g., pacemaker or defibrillator) without established safety for carbon-ion radiotherapy. * Pregnant or breastfeeding women.

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Conditions

The condition(s) this trial relates to.

sarcoma soft tissue sarcoma

As listed by the trial registrant

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

Soft tissue sarcoma

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

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    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

  • Yonsei Cancer Center, Yonsei University College of Medicine, Yonsei University Health System

    Seoul, South Korea

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