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Could your body shape predict radiation accuracy?

NCT ID NCT07676032

Knowledge-focused Sponsor: Shijiazhuang People's 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 30, 2026 · Last updated Jul 01, 2026 · Updated 1 time

Summary

This study looks at whether a person's body composition—like muscle mass and body fat—affects how accurately they are positioned during radiation therapy. Researchers will measure body composition in 120–150 cancer patients before and during treatment, and track daily positioning errors. The goal is to see if body composition, beyond just weight, can help personalize how patients are immobilized for more precise radiation delivery.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If body composition is found to predict setup errors, this could lead to personalized immobilization and imaging strategies for more precise radiotherapy.
What could go wrong
This is an observational study, not a treatment trial. It may find no meaningful link, or the results may not apply to other hospitals or patient groups.

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 150 people

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

Expected to start

Jul 2026

An estimate. Start dates often move.

Expected to finish

Mar 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

Patients with pathologically confirmed malignancies receiving radical or adjuvant intensity-modulated radiotherapy at Shijiazhuang People's Hospital.

Ages

18 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: * Pathologically confirmed malignancy * Age ≥18 years * Receiving radical or adjuvant intensity-modulated radiotherapy (IMRT) with planned ≥25 fractions * Immobilized with thermoplastic mask * ECOG Performance Status 0-2 * Willing and able to provide written informed consent Exclusion Criteria: * Metal implants (pacemaker, artificial joints) affecting bioelectrical impedance analysis (BIA) measurements * Severe edema or ascites * Inability to cooperate with immobilization or CBCT scanning * Radiotherapy interruption \>5 fractions * Pregnancy or lactation

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Conditions

The condition(s) this trial relates to.

cancer neoplasm

As listed by the trial registrant

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

Malignant neoplasms

How to take part

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

  1. 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 ↗

  2. 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.

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