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New adaptive radiotherapy aims to shrink treatment margins for uterine cancers

NCT ID NCT05682950

Disease control Sponsor: Peking Union Medical College 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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 a new type of radiation therapy that adjusts the treatment plan daily based on the patient's anatomy. It included 15 women with endometrial or cervical cancer who had surgery and needed radiation. The goal was to see if smaller treatment margins could be used safely, potentially reducing side effects while still covering the target area.

What this could mean

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

Active substance
online adaptive radiotherapy
What this could lead to
If successful, this approach could reduce radiation side effects for women with endometrial or cervical cancer by using daily adaptive planning to shrink treatment margins.
What could go wrong
This is a small, early-phase study with only 15 participants, so results may not apply to all patients. The technique also requires more time and resources per session.

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

Phase 2

Tests whether the treatment actually works, and watches for side effects, in a larger group.

Participants

15 people

The number who actually took part.

Started

Sep 2022

Finished

Feb 2025

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 to 70 years

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. Patients must be informed of the investigational nature of this study and give written informed consent before treatment. 2. Postoperative endometrial and cervical cancer patients with pathologically confirmed no residual tumor at the resection margin and no evidence of distant metastasis (FIGO stage IVB). 3. Pathological findings indicate risk factors and adjuvant radiotherapy are prescribe. 4. Karnofsky score ≥ 70. 5. Subjects aged ≥ 18 years and ≤ 70 years. 6. No evidence of para-aortic metastatic lymph nodes. 7. No contraindications to CT scanning. 8. Subjects must be able to cooperate in completing the entire study. 9. Adequate marrow: neutrophile granulocyte count ≥1.5\*10\^9/L, hemoglobin ≥ 80 g/L, platelet count ≥100\*10\^9/L. 10. Normal liver and kidney function: Creatinine (Cr) \< 1.5 mg/dl, Alanine Aminotransferase (ALT), Aspartate Aminotransferase (AST) \< 2\*upper limit of normal (ULN). Exclusion Criteria: 1. Subjects who have received prior pelvic radiotherapy. 2. Subjects with other primary malignancies. 3. Subjects with contraindications to radiotherapy, as determined by the investigators. 4. Any severe disease which may bring unacceptable risk or affect the compliance of the trial, for example, unstable cardiac disease requiring treatment, renal disease, chronic hepatitis, diabetes with poor control, and emotional disturbance. 5. Active infection with fever. 6. Active inflammatory bowel disease.

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Conditions

The condition(s) this trial relates to.

cervical cancer cervical carcinoma endometrial cancer endometrium neoplasm Uterine Cervical Neoplasms

As listed by the trial registrant

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

Endometrial neoplasms Uterine cervical neoplasm

Contacts and locations

Locations

  • Peking Union Medical College Hospital

    Beijing, Beijing Municipality, 100730, China

More trials for these conditions

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