New scan could catch hidden prostate cancers missed by MRI
NCT ID NCT07386496
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at whether adding a special PET scan (18F-PSMA) to an MRI can find more serious prostate cancers in men whose MRI results are unclear. About 250 men with suspicious but not definitive MRI scans will be randomly assigned to get either an MRI-guided biopsy alone or an MRI plus PET-guided biopsy. The goal is to see if the combined approach detects more high-risk cancers and changes treatment plans, such as whether to spare nerves during surgery or use targeted therapy.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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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
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About 250 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Mar 2026
An estimate. Start dates often move.
- Expected to finish
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Mar 2028
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: * Men ≥18 years of age * Serum Prostate-specific antigen (PSA) 4-15 ng/mL, repeated at least once * Prostate mpMRI done within 6 months * MRI prostate with PI-RADS (11) scores of: * PI-RADS score 2 with red flag (PSA density \>0.2 OR Prostate health index, PHI\>35), * PI-RADS 3, OR * PI-RADS 4 with lower csPCa risks (PSAd \<0.1 OR PHI\<35) * Normal Digital rectal examination * Patient agrees for targeted and systematic prostate biopsy Exclusion Criteria: * Prostate biopsy within past 5 years * Past or current history of prostate cancer * Contraindicated to undergo PSMA PET-CT scan * Contraindicated to prostate biopsy: active urinary tract infection, fail insertion of transrectal ultrasound probe into rectum (abdominal perineal resection, anal stenosis), fail to be placed in lithotomy position, uncorrectable coagulopathy, antiplatelet or anticoagulant which cannot be stopped (keep aspirin before and after biopsy is permitted)
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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Prince of Wales Hospital
Hong Kong, Hong Kong
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