New scan may spare men from unnecessary prostate biopsies
NCT ID NCT05154162
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether adding a PSMA PET scan helps doctors better diagnose significant prostate cancer in men whose MRI results are unclear or negative. About 660 men with no prior prostate cancer or biopsy will be randomly assigned to receive either standard care or an additional PSMA PET scan. If the PSMA PET is negative, those men may avoid a biopsy, potentially reducing unnecessary procedures and their risks.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
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About 660 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Mar 2022
- Expected to finish
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Aug 2027
An estimate. End dates often move.
- Lead sponsor
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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
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18 years and older
- Sex
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Male participants only
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Patients must meet all the following criteria for study entry: 1. Males aged ≥ 18 years at the time of consent 2. No previously diagnosed prostate cancer 3. No previous prostate biopsy 4. Having undergone MRI within 9 months prior to randomisation and meet one of the following criteria: * PI-RADS 2 AND ≥1 red flag defined as: * PSA density \>0.1 * Abnormal DRE * Strong family history (1 first degree relative or ≥2 second degree) * BRCA mutation * PSA \>10 * PSA doubling time \<36 months * PSA velocity \>0.75/year * PI-RADS 3 5. Intention for prostate biopsy 6. Willing and able to comply with all study requirements Exclusion Criteria: * Patients who meet any of the following criteria will be excluded from study entry: 1. Having a PSA \>20ng/ml 2. Having ≥ cT3 on DRE 3. Significant morbidity that, in the judgement of the investigator, would limit compliance with study protocol
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Austin Health
Melbourne, Victoria, 3084, Australia
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Cabrini Health
Melbourne, Victoria, 3144, Australia
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Peter MacCallum Cancer Centre
Melbourne, Victoria, 3000, Australia
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Royal Adelaide Hospital
Adelaide, South Australia, 5000, Australia
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Royal Brisbane and Women's Hospital
Brisbane, Queensland, 4006, Australia
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St Vincent's Hospital
Sydney, New South Wales, 2010, Australia
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- New PET tracer targets ACP3 to spot prostate cancer
- Can a One-Week radiation course match four weeks for prostate cancer?
- Can a new PET tracer spot hidden prostate cancer spread?
- Can a gel cushion shield the rectum during prostate radiation?
- A scanner in the operating room could show surgeons exactly where prostate cancer remains