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Which radiation approach spares prostate cancer Patients' bladder function?

NCT ID NCT02692105

Disease control Sponsor: British Columbia Cancer Agency 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 29, 2026 · Last updated Jun 30, 2026 · Updated 1 time

Summary

This study compares two types of radiation therapy for men with favorable or low-tier intermediate risk prostate cancer: low dose rate (LDR) brachytherapy, which uses permanent radioactive seeds, and high dose rate (HDR) brachytherapy, which uses temporary radioactive material. The main goal is to see which approach better preserves urinary quality of life. Participants will be randomly assigned to one of the two treatments and followed for up to three years.

What this could mean

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

Active substance
Low dose rate (LDR) brachytherapy with permanent radioactive seeds or high dose rate (HDR) brachytherapy with temporary radioactive material
What this could lead to
If successful, this trial could show that HDR brachytherapy offers better urinary quality of life than the current standard LDR brachytherapy for men with early-stage prostate cancer.
What could go wrong
This is a small pilot study with only 60 participants, so results may not apply to all patients. Both treatments involve radiation risks, and the trial may not find a meaningful difference in outcomes.

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 3

Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.

Participants

60 people

The number who actually took part.

Started

May 2016

Expected to finish

Dec 2028

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

40 to 80 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: * Clinical stage T1c-T2b, PSA \< 20, Gleason \< 8 * ECOG 0-1 * Low tier intermediate-risk prostate cancer is defined by; o a single NCCN intermediate risk factor (either Gleason 7(3+4) and PSA \< 10 ng/ml OR Gleason 6 and PSA 10-20 ng/ml) * Extensive favorable-risk disease is defined as: * clinical stage T1c-T2a * PSA \< 10 * Gleason 6 * ≥ 50% of biopsy cores containing cancer * PSA density \> 0.2 ng/cc * Selected intermediate risk patients not defined above * \- T1c/T2a * \- PSA \< 10 * -Gleason 4+3 * -\< 33% of cores involved * -Max tumour length in any core 10 mm * No androgen deprivation therapy (ADT) * Prostate volume by TRUS ≤ 60 cc. * Not eligible for, or accepting of, active surveillance according to NCCN guidelines. * Signed study specific informed consent. Exclusion Criteria: * Prior radical surgery for carcinoma of the prostate, * Prior pelvic radiation * Prior chemotherapy for prostate cancer, * Prior TURP or cryosurgery of the prostate * Claustrophobic or unable to undergo MRI

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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

  • British Columbia Cancer Agency Center for the Southern Interior

    Kelowna, British Columbia, V1Y5L3, Canada

More trials for these conditions

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