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New scan could spot hidden prostate cancer spread

NCT ID NCT05520255

Diagnosis Sponsor: University of Alberta 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 26, 2026

Summary

This phase 3 study is testing a radioactive tracer called 18F-PSMA-1007 for PET/CT scans in 2800 men with prostate cancer. The goal is to see if it can safely and accurately detect cancer that has spread, especially in men with rising PSA levels after treatment. Participants will be monitored for side effects right after injection and up to a week later.

What this could mean

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

Active substance
18F-PSMA-1007 (a radioactive tracer for PET/CT imaging)
What this could lead to
If successful, this could give doctors a more accurate way to see where prostate cancer has spread, helping guide treatment decisions.
What could go wrong
This is still an investigational tracer, and the study focuses on imaging accuracy and safety, not treatment. It may not prove better than existing scans.

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

About 2,800 people

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

Started

Jul 2023

Expected to finish

Dec 2029

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: 1. Adult participants (≥ 18 years old) with a history of radical prostatectomy for treatment of prostate cancer, and a serum prostate specific antigen (PSA) ≥ 0.2 mcg/L 2. Adult participants with a history of radiotherapy, cryotherapy, or brachytherapy for treatment of prostate cancer, and a serum PSA progressively rising to ≥ 2 mcg/L (minimum two samples) OR a serum PSA doubling time of \< 9 months 3. Adult participants with a history of biopsy-proven prostate cancer and high-risk features for metastatic disease prior to treatment with radical prostatectomy, radiotherapy, cryotherapy, brachytherapy, or other similar therapy. High-risk features include a Gleason score ≥ 7, serum PSA ≥ 20 mcg/L, OR minimum clinical T-stage T2c 4. Adult patients who do not meet criteria 1-3 but in whom a 18F-PSMA-1007 PET/CT scan is expected to provide clinical benefit as determined by a Urologist, Radiation Oncologist, Medical Oncologist, or Nuclear Medicine physician (licensed in Alberta) Exclusion Criteria: 1. Unable to obtain consent 2. Weight \> 225 kg (weight limit of PET/CT scanners) 3. Unable to lie flat for 30 minutes to complete the PET/CT imaging session 4. Lack of intravenous access 5. History of allergic reaction to 18F-PSMA-1007 6. Residence outside the Province of Alberta, Northwest Territory, or Yukon Territory (Canada) 7. Less than 18 years old NOTE: Androgen deprivation therapy (ADT) is NOT a contraindication to participation

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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

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

  • University of Alberta

    RECRUITING

    Edmonton, Alberta, T6G 2R3, Canada

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