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New radiation approach aims to tame prostate cancer with fewer side effects

NCT ID NCT02346253

Disease control Sponsor: Stanford 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 02, 2026 · Updated 1 time

Summary

This study tests a type of radiation called high-dose brachytherapy for men with prostate cancer that hasn't spread. Doctors place tiny radioactive sources directly into the prostate to deliver a strong dose to the tumor while sparing nearby healthy tissue. The goal is to control the cancer and reduce side effects. About 146 men with early to moderate-stage prostate cancer are taking part.

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

146 people

The number who actually took part.

Started

Jan 2015

Finished

May 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

Children (under 18), adults (18 to 64) and older adults (65 and over)

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: * Documented pathologic confirmation of prostate adenocarcinoma * Clinical T-classification T1-3 * PSA \< 150 ng/mL * Gleason score 6-10 * Clinically negative lymph nodes as established by abdomino-pelvic CT. CT only for clinical classification of T3 (with contrast if renal function is acceptable; a non-contrast CT is permitted if the patient is not a candidate for contrast), magnetic resonance imaging (MRI), nodal sampling, or dissection. Patients with lymph nodes equivocal or questionable by imaging are eligible if those nodes are \<1 cm in short axis diameter. \[56\] * No evidence of bone metastases (M0) on bone scan, only for PSA \>20 ng/mLor Gleason ≥8, (NaF PET/CT is an acceptable substitute). Equivocal bone scan findings are allowed if plain films and/or MRI are negative for definite metastases. * American Urological Association Symptom Index (AUA SI) =\< 20 Exclusion Criteria: * Clinical T4 disease * PSA \>= 150 ng/mL * AUA SI \> 20 * History of radical prostatectomy, external beam radiotherapy (EBRT), or BT for prostate cancer * Previous chemotherapy for any malignancy, if given within three years of registration * History of rectal surgery * History of rectal fistula * History of inflammatory bowel disease * Severe, active co-morbidity, defined as follows: * Unstable angina and/or congestive heart failure requiring hospitalization within the last six months * Transmural myocardial infarction within the last six months

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Conditions

The condition(s) this trial relates to.

prostate adenocarcinoma prostate cancer prostate carcinoma

As listed by the trial registrant

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

Prostate adenocarcinoma Stage I prostate cancer Stage IIA prostate cancer Stage IIB prostate cancer Stage III prostate cancer

Contacts and locations

Locations

  • Stanford University, School of Medicine

    Stanford, California, 94305, United States

More trials for these conditions

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