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New imaging technique aims to sharpen prostate cancer radiation

NCT ID NCT07393867

Knowledge-focused Sponsor: Martin T. King, MD, PhD 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 2 times

Summary

This study is for men with intermediate- or high-risk prostate cancer who will receive hormone therapy and radiation. Researchers want to see if using a special PET scan (PSMA PET) during hormone therapy can help doctors better target remaining cancer with radiation while avoiding healthy tissue. Participants will get standard treatments plus three imaging scans over six months. The goal is to make radiation more precise and reduce side effects in the future.

What this could mean

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

Active substance
PSMA PET/CT imaging and androgen deprivation therapy (ADT) with or without bicalutamide
What this could lead to
If successful, this could lead to more precise radiation treatment for prostate cancer, potentially reducing side effects while maintaining effectiveness.
What could go wrong
This is a small, early-phase study with only 23 participants, so results may not apply to all patients. The imaging technique may not improve outcomes as hoped.

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

About 23 people

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

Started

Apr 2026

Expected to finish

Dec 2027

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: * 18 years of age and older. * Eastern Oncology Group Status 0 to 1. * Histologic diagnosis of prostate cancer. * Prior screening MRI with at least one PI-RADS4 or PI-RADS 5 lesion, obtained within 180 days of screening. * NCCN intermediate-risk or high-risk prostate cancer (Appendix B). All patients will be staged by MRI. * Prior PSMA PET scan with at least one focal avid lesion greater than background prostate that is concordant with a lesion on MRI, obtained within 180 days of screening. * Intention for SBRT (36.25 Gy/5 fraction) with focal boost (up to 50 Gy) to one MRI/PET-concordant lesion34. Exclusion Criteria: * Prior imaging (CT, bone scan, MRI, PSMA-PET/CT) showing nodal or distant disease. * Intention to receive treatment intensification with secondary androgen receptor signaling inhibitors or chemotherapy. * Clinical T4 disease. * Prior ADT. * Prior pelvic RT. * Prior prostate surgery, including TURP. * International prostate symptom score \> 20. * Prior urethral stricture. * Prostate volume \> 80 cc on MRI. * Hip implants that cause artifacts over the prostate gland. * Inability to discontinue anti-coagulation for fiducial marker placement. * Active Crohn's disease or scleroderma.

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Conditions

The condition(s) this trial relates to.

prostate cancer prostate carcinoma

As listed by the trial registrant

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

High-risk prostate cancer Intermediate risk prostate cancer 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

    4 sites. 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

  • Brigham and Women's Hospital

    NOT_YET_RECRUITING

    Boston, Massachusetts, 02115, United States

  • Dana Farber Cancer Institute

    NOT_YET_RECRUITING

    Boston, Massachusetts, 02115, United States

  • Dana-Farber/Brigham and Women's Cancer Center at Milford Regional Medical Center

    RECRUITING

    Milford, Massachusetts, 01757, United States

  • Dana-Farber/Brigham and Women's Cancer Center in Clinical Affiliation with South Shore Hospital

    RECRUITING

    Weymouth, Massachusetts, 02190, United States

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