Scientists hunt for blood markers that reveal your calorie balance
NCT ID NCT07141537
First seen Jun 25, 2026 · Last updated Jun 26, 2026 · Updated 1 time
Summary
This study aims to find biological markers that show the balance between calories you eat and calories you burn. Researchers will study 400 adults to better understand metabolism. The goal is to develop simple tests that could one day help people manage their weight and metabolic health.
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 could lead to simple tests that measure whether someone is in a calorie surplus or deficit, helping with weight management and metabolic health.
- What could go wrong
- This is an observational study, not a treatment trial. It may not find clear biomarkers, and any findings will need further validation before practical use.
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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Aug 2025
- Expected to finish
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Aug 2033
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
Healthy individuals.
- 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: * \> 18 years of age * Able to travel to ISB for study visits. * Able to read and communicate in English. Exclusion Criteria: * \- Unable to provide informed consent. * Is a prisoner.
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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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Institute for Systems Biology
RECRUITINGSeattle, Washington, 98109, United States
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