Bone scan accuracy put to the test: new study aims to sharpen diagnosis
NCT ID NCT03621306
First seen Jul 06, 2026 · Last updated Jul 07, 2026 · Updated 1 time
Summary
This study checks how precise two types of bone and body scanners (DXA and pQCT) are at measuring bone density, bone structure, and body composition. Healthy adults aged 18 and older will get scanned multiple times to see how much results vary from day to day, between technicians, and between different machines. The goal is to determine the smallest change that can be reliably detected, which helps doctors make better decisions about bone health and body fat.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- What this could lead to
- If successful, this study will help doctors know how much change in bone density or body fat is real versus just measurement error, improving diagnosis and monitoring.
- What could go wrong
- This is an observational study focused on machine precision, not a treatment. It will not directly improve health 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 400 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jun 2008
- Expected to finish
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Dec 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.
Who is studied
Volunteers will include men and women of all ages. Women must not be pregnant.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
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: Healthy adults of two age groups, 1) aged 18-40 or 2) aged \>40yr. Exclusion Criteria: 1. for females, being pregnant 2. Having had X-ray procedures using contrast material in the previous 3 days 3. Having medical devices that interfere with scan accuracy 4. Wearing external metal objects that cannot be removed 5. Having internal metal objects 6. Body mass of \> 450 lbs. 7. Having ostomies
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Genom att skicka in godkänner du våra Användarvillkor
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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Women's Health and Exercise Laboratories, The Pennsylvania State University
RECRUITINGUniversity Park, Pennsylvania, 16802, United States
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