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Oxygen therapy under the microscope: who benefits most from radiation damage treatment?

NCT ID NCT07611864

Knowledge-focused Sponsor: Karolinska University Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 follows 1,000 adults who have long-term bladder or bowel problems from past cancer radiation and are receiving hyperbaric oxygen therapy (HBOT). Researchers want to learn which patients improve most and when treatment works best. The goal is to better understand how to use HBOT to reduce symptoms and improve quality of life.

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 1,000 people

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

Started

May 2026

Expected to finish

Dec 2040

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

Cohort 1 - Retrospective cohort Cohort 1 includes all patients (n = 120) with late radiation-induced tissue injury treated with HBOT and registered in the unit's clinical quality registry during the defined study period. Cohort 2 - Prospective cohort To generate robust real-world evidence and enable identification of predictive factors with adequate statistical precision, data collection is planned for approximately 1,000 patients treated with HBOT at Karolinska University 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: * Adult patients (\>18 years old) * Late radiation tissue injury * Treated with HBOT Exclusion Criteria: * Requested not to be included in the study (Retrospective cohort) * Not signed informed consent (Prospective cohort)

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Conditions

The condition(s) this trial relates to.

cystitis radiation cystitis radiation proctitis

As listed by the trial registrant

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

Cystitis, radio induced Radiation proctitis Soft tissue radionecrosis (STRN)

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

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    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

  • Karolinska University Hospital

    RECRUITING

    Stockholm, 171 76, Sweden

More trials for these conditions

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