Clinical trial Recruiting at 2 sites Observational Ages 18 and up Women only

High dose radiotherapy boost for gynecological cancers when brachytherapy isn't possible

Official title: MRLinac Boost for Gynecological Cancers if Brachytherapy is Not Feasible

Run by UMC Utrecht · NCT05937958 · Data updated 2026-11-12

This study tests if a high dose of a special type of radiation treatment can help control tumors in women with gynecological cancers who can't have brachytherapy, while also looking at any side effects they might experience.

More Cervical Cancer trials

Quick facts

Study typeObservational
Ages18 Years and up
SexWomen only
Enrollment30 (estimated)
SponsorUMC Utrecht
Academic / other
Drugs / interventionsradiation, chemotherapy
Locations2 sites (Odense and 1 other locations)
StatusRecruiting
StartedApril 1, 2023
Main results expectedOctober 1, 2025
Study endsOctober 1, 2027
Registry record updatedJuly 18, 2023
Trial IDNCT05937958 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates include patients with advanced stage gynecological cancers (excluding ovarian and endometrial cancers) who are planned for definitive (chemo)radiotherapy.

Probably not a fit

Patients with hard contraindications for MRI scanning will not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This observational study aims to evaluate the effectiveness and side effects of a high dose daily adapted stereotactic body radiotherapy (SBRT) boost using MRLinac in patients with gynecological cancers who cannot receive brachytherapy. The study will assess how many patients achieve local control of their tumors and the side effects associated with this treatment. Participants will complete questionnaires regarding their experiences, and their clinical data may be utilized for research purposes. The MRLinac technology allows for better visualization and adaptation of treatment plans based on individual patient anatomy and tumor changes.

Why it matters

Potential benefit: If successful, this approach could provide a safer and more effective treatment option for patients with gynecological cancers who are ineligible for brachytherapy.

How similar studies have gone: While the use of MRLinac for this purpose is relatively novel, similar approaches in radiotherapy have shown promise in improving treatment outcomes.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Patients with newly biopsy proven advanced stage gynecological cancers (excluding ovarian cancers) and endometrium in whom definitive (chemo)radiotherapy with curative intent is planned are qualified for the study, as well as, patients with recurrent gynecological cancers (excluding ovarian cancers) for which no prior (chemo)radiation was performed for which (chemo)radiotherapy with curative intent is planned.
* Patients with para-aortic metastatic nodes (stage IVB) to the level of L2 are also eligible but patients with further dissemination are not.
* Staging according to FIGO (2018, https://doi.org/10.1002/ijgo.12611) and TNM (version 9, 2021, https://doi.org/10.3322/caac.21663) staging.
* Patients who gave informed consent to take part in the MOMENTUM study (NCT04075305) to use their clinical data for publication and share their data with other (European) sites.

Exclusion Criteria:

* Hard contra-indication for MRI scanning

Where it's running

  • Odense University Hospital
    Odense, Denmark
    Recruiting
  • UMC Utrecht
    Utrecht, Netherlands
    Recruiting

Study contacts

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.