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New precision radiation aims to zap prostate tumors while sparing healthy tissue

NCT ID NCT03861676

Disease control Sponsor: Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 early-phase study tests a new way to deliver radiation implants (brachytherapy) for men with localized prostate cancer. By using advanced imaging (PET/CT and ultrasound) to map only the aggressive tumor areas, doctors hope to target the cancer while leaving healthy tissue untouched, potentially reducing side effects. The study enrolls 20 men with low- to intermediate-risk prostate cancer to see if this focused approach can effectively cover the tumor.

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

Early phase 1

The earliest testing in people: a first look at safety, in a very small group.

Participants

About 20 people

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

Started

Aug 2023

Expected to finish

Dec 2033

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 to 100 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: * Adenocarcinoma of the prostate * Performance Status \< 2 * Clinical stages (not radiographic stage) T1c - T2a, Nx or N0, Mx or M0 * Gleason 6-7 cancer * Prostate volume \< 60 cc (if MRI and TRUS have conflicting values, then MRI value will be utilized) * International Prostate symptom score (IPSS) 20 or less * Ability to undergo DCF-Pyl PSMA PET as part of pretreatment staging * Signed study-specific consent form prior to registration Exclusion Criteria: * Prior history of pelvic radiation therapy * Major medical or psychiatric illness which, in the investigator's opinion, would prevent completion of treatment and would interfere with follow up. * Implanted device or apparatus which obstruct visibility of the implanted sources on fluoroscopy * Metallic implants, claustrophobia not amenable to medication, or known contraindications to undergoing MR scanning * History of other malignancy diagnosed within the past 3 years

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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.

Prostate cancer

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

  • SKCCC at Johns Hopkins

    RECRUITING

    Baltimore, Maryland, 21287, United States

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