ChatGPT vs. dietitians: who helps you lose more weight?
NCT ID NCT07557979
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 2 times
Summary
This study will compare weight-loss plans made by ChatGPT with those made by a human dietitian. 21 adults with obesity will be split into three groups: one gets AI-only advice, one gets a dietitian's plan, and one gets a combination of both. The goal is to see which approach leads to better weight loss and health improvements.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- ChatGPT-generated dietary plans
- What this could lead to
- If successful, this could show that AI can help create effective weight-loss plans, potentially offering a low-cost alternative to traditional dietitian care.
- What could go wrong
- This is a very small pilot study (21 people) that hasn't started yet. AI recommendations may be unsafe or unreliable, and results may not apply to the general population.
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.
- 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 21 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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May 2026
An estimate. Start dates often move.
- Expected to finish
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Dec 2026
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 to 60 years
- 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: * Participants with age 18 to 60 years, * BMI\>30 * Living in Lubbock-TX * Willing to participate in the study Exclusion Criteria: * Pregnant women * Breastfeeding women * Recent diagnosis of a severe/acute medical condition within 6 months * Any other chronic diseases except obesity (e.g., diabetes, chronic kidney diseases, psychiatric conditions, cancer, acute pancreatitis) * Taking any anti-obesity medications
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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 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.
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