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New radiation technique aims to cut prostate cancer treatment side effects

NCT ID NCT06995053

Symptom relief Sponsor: Jonsson Comprehensive Cancer Center 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 21, 2026 · Updated 2 times

Summary

This study tests a new way to deliver radiation for prostate cancer that hasn't spread. By using real-time motion tracking during treatment, doctors hope to target the tumor more precisely and reduce common side effects like urinary and bowel problems. About 80 men with early-stage prostate cancer will take part. The goal is to see if this approach is safer and just as effective as standard radiation.

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

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 91 people

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

Started

Jun 2025

Expected to finish

Sep 2036

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.

Ages

18 years and older

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: * Histologically confirmed, clinically localized adenocarcinoma of the prostate * No evidence of metastatic disease in lymph nodes above the bifurcation of the renal arteries, or in bones or visceral organs (nodal disease identified on a prostate-specific membrane antigen \[PSMA\] positron emission tomography \[PET\]/CT scan below the bifurcation of the renal arteries are amenable) * Staging workup as recommended by the National Comprehensive Cancer Network (NCCN) on the basis of risk grouping * Advanced imaging studies (i.e. PSMA PET/CT and fluciclovine PET/CT scan) can supplant a bone scan if performed first * Age ≥ 18 * Written informed consent obtained from participant or participant's legal representative and ability for participant to comply with the requirements of the study Exclusion Criteria: * Patients with neuroendocrine or small cell carcinoma of the prostate * Patients with any evidence of distant metastases except that evidence of lymphadenopathy below the level of the renal arteries can be deemed locoregional per the discretion of the investigator * Prior whole gland cryosurgery, high-intensity focused ultrasound (HIFU) or brachytherapy of the prostate * Prior pelvic radiotherapy * History of Crohn's Disease, ulcerative colitis, or ataxia telangiectasia * Presence of a condition or abnormality that in the opinion of the investigator would compromise the safety of the participant or the quality of the data

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Conditions

The condition(s) this trial relates to.

prostate adenocarcinoma prostate cancer

As listed by the trial registrant

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

Localized prostate adenocarcinoma Stage I prostate cancer ajcc V8 Stage II prostate cancer ajcc V8 Stage III prostate cancer ajcc V8

Contacts and locations

Locations

  • UCLA / Jonsson Comprehensive Cancer Center

    Los Angeles, California, 90095, United States

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