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Fewer radiation sessions may mean fewer side effects for prostate cancer patients

NCT ID NCT04984343

Symptom relief Sponsor: Weill Medical College of Cornell 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
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 Results may not be published yet.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 This study
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This status has not been confirmed recently, so it may be out of date.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 looked at men with low or intermediate-risk prostate cancer to see if 2 MRI-guided radiation treatments cause fewer bowel and bladder side effects than 5 treatments. The goal was to find a shorter treatment plan that is just as safe and less bothersome. The study was stopped early, but the results may help guide future care.

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

33 people

The number who actually took part.

Started

Feb 2022

Finished

Feb 2026

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 90 years

Sex

Male 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: * Men aged \>=18 with histologically confirmed low or intermediate risk prostate cancer per NCCN guidelines. * ECOG 0 - 1 * IPSS \< 18 * Ability to receive MRI-guided radiotherapy. * Ability to complete the Expanded Prostate Cancer Index Composite (EPIC) questionnaire. * Patients with a prior or concurrent disease whose natural history or treatment does not have the potential to interfere with the safety or efficacy assessment of the investigational regimen are eligible for this trial. Note: Any patient with a cancer (other than keratinocyte carcinoma or carcinoma in situ or low-grade non-muscle invasive bladder cancer) who has been disease-free for less than 3 years must contact the Principal Investigator. Exclusion Criteria: * Prior history of receiving pelvic radiotherapy. * Patient with history of inflammatory bowel disease. * MRI Prostate Volume \> 80 cc * MRI Stage \> T3a * Unilateral or bilateral hip replacements. * History of bladder neck or urethral stricture. * TURP \< 8 weeks prior to radiotherapy * Metastatic (pelvic nodal or distant) disease on CT, Bone, Fluciclovine, and/or PSMA PET scan

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Conditions

The condition(s) this trial relates to.

prostate cancer

As listed by the trial registrant

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

Prostate cancer

Contacts and locations

Locations

  • Genesis Care

    Oxford, Oxford, OX4 6LB, United Kingdom

  • Weill Cornell Medicine

    New York, New York, 10065, United States

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