PET scans put to the test for diabetic foot bone infections
NCT ID NCT07828691
First seen Sep 18, 2026 · Last updated Sep 18, 2026
Summary
Diabetic foot osteomyelitis is a bone infection that can lead to amputation, and it is hard to diagnose. This study checks how accurately 18F-FDG PET/CT scans detect the infection in people with diabetes who are already referred for this imaging. Researchers compare scan results with bone biopsy or with clinical and imaging follow-up over at least six months.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- 18F-FDG PET/CT imaging of the feet
- What this could lead to
- If the scan proves accurate, doctors could use it to spot bone infections in diabetic feet earlier and avoid unnecessary surgery or antibiotics.
- What could go wrong
- The scan may miss small infections or flag harmless inflammation as infection. This is an observational accuracy study, so it cannot prove that using the scan improves patient outcomes.
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 150 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Nov 2026
An estimate. Start dates often move.
- Expected to finish
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Apr 2029
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
Adults with diabetes and suspected diabetic foot infection with concern for osteomyelitis who have been referred by their treating physician for 18F-FDG PET/CT at participating academic centers in Canada and the United States. Approximately 150 consecutive eligible participants will be prospectively enrolled. Clinical care, including the decision to perform bone biopsy or other investigations and treatments, will remain at the discretion of the treating physicians.
- Ages
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18 years and older
- Sex
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Anyone
- 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: Age ≥18 years Diagnosis of diabetes mellitus Referred by the treating physician for clinically indicated 18F-FDG PET/CT of the foot for diabetic foot infection with concern for possible osteomyelitis Exclusion Criteria: History of previous bone infection in the study foot within the past 6 months Congenital bone disease such as osteogenesis imperfecta Active pregnancy Recent surgery in the foot with suspected osteomyelitis within the past 6 months Inability to provide informed consent or undergo PET/CT imaging
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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
4 sites in 2 countries. 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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Hôpital du Sacré-Cœur de Montréal
Montreal, Canada
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Jewish General Hospital
Montreal, Canada
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McGill University Health Centre
Montreal, Canada
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UT Southwestern Medical Center
Dallas, Texas, 75390, United States