New study tests if GPS and MRI can keep men off the operating table
NCT ID NCT05424783
First seen Jun 27, 2026 · Last updated Aug 20, 2026 · Updated 2 times
Summary
This study looks at whether giving men with low-risk prostate cancer two extra tests—a genomic test (GPS) and a special MRI—helps them stick with active surveillance (monitoring instead of immediate treatment). Researchers will track 222 men for 18 months to see if these tests improve safety and reduce unnecessary biopsies. The goal is to find the right balance between catching dangerous cancers and avoiding overtreatment.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Genomic Prostate Score assay and multi-parametric MRI
- What this could lead to
- If successful, this could show that adding these tests helps men safely avoid or delay aggressive treatment, improving quality of life.
- What could go wrong
- This is an observational study, not a treatment trial. The tests may cause false alarms leading to unnecessary procedures, and results may not apply to all groups.
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.
- Participants
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About 222 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Oct 2022
- Expected to finish
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Feb 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.
Who is studied
The target population for this study is participants with newly diagnosed favorable risk prostate cancer who are eligible for active surveillance for Prostate Cancer.
- Ages
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40 to 76 years
- 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.
Show the full entry requirements Hide 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: * Participants must have NCCN very low to favorable intermediate risk prostate cancer. * Participants must be diagnosed within 3 months prior to study enrollment. * Participants must be male, age 40-76 years old. * Participants must be willing to consider active surveillance for treatment. Exclusion Criteria: * Participants with less than 10 years life expectancy. * Participants unable to complete standardized surveys. * Participants with no access to the rectum for a transrectal ultrasound. * Participants with a contraindication to magnetic resonance imaging (MRI).
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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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Northwestern University
Chicago, Illinois, 60611, United States
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University of Illinois at Chicago
Chicago, Illinois, 60612, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Radioactive missile aims at prostate cancer that spread
- 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