Veggies first, carbs last: could meal and exercise order be the key to childhood weight loss?
NCT ID NCT07712068
First seen Jul 17, 2026 · Last updated Jul 17, 2026
Summary
This trial tests whether changing the order of exercise (aerobic before anaerobic, or vice versa) and the order of eating (vegetables and protein first, carbohydrates last) helps overweight children and teens lose weight and improve health. Over 28 days at a weight loss camp, participants follow one of four combinations of these sequences. Researchers measure changes in weight, body fat, and insulin resistance to see if simple sequencing can boost the benefits of diet and exercise.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- a behavioral program combining carbohydrate-last eating and sequential exercise (aerobic before anaerobic or vice versa)
- What this could lead to
- If it works, this could point toward simple, no-cost strategies — like eating vegetables before carbs or choosing which exercise to do first — to help children manage weight and reduce insulin resistance.
- What could go wrong
- This is a short 28-day camp study, so results may not last long-term or apply to everyday life. The effects of exercise and meal order may be small and vary by individual.
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 480 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Jul 2026
An estimate. Start dates often move.
- Expected to finish
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Sep 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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10 to 17 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: To be included in the study, participants must be between 10 and 17 years old and have a Body Mass Index equal to or greater than the 95th percentile for their age and sex, which meets the Chinese screening standard for overweight and obesity in school-aged children and adolescents. Additionally, participants and their legal guardians must have signed a service contract and paid in full for the commercial weight loss camp service before signing the study consent form. Participants must possess basic communication skills and the ability to comply with study instructions. They must also pass the mandatory pre-camp exercise risk medical screening, which includes blood and urine tests, blood pressure, resting electrocardiograms, and exercise electrocardiograms. Finally, participants and their legal guardians must provide dual signed informed consent. Exclusion Criteria: Individuals are excluded from the study if they have been diagnosed with secondary obesity or genetic obesity syndromes. Furthermore, individuals who have taken medications affecting body weight or bone metabolism within the past three months are not eligible to participate. The study also excludes individuals with clinically diagnosed eating disorders, depression, or other severe psychiatric illnesses. Individuals who are unable or unwilling to cooperate with venous blood sampling or other biological sample collections are excluded as well. Finally, individuals with severe cardiopulmonary dysfunction, severe scoliosis, or other clear medical contraindications to exercise cannot participate in the trial.
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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
9 sites. 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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DF Fit Anhui Wuhu
Wuhu, Anhui, 241303, China
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DF Fit Beijing Huairou
Beijing, 101499, China
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DF Fit Henan Zhengzhou
Zhengzhou, Henan, 451100, China
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DF Fit Liaoning Shenyang
Shenyang, Liaoning, 110326, China
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DF Fit Shandong Zibo
Zibo, Shandong, 256402, China
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DF Fit Shanghai Fengxian
Shanghai, Shanghai Municipality, 201418, China
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DF Fit Zhejiang Hangzhou
Hangzhou, Zhejiang, 311256, China
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DF Fit Zhejiang Jinhua
Jinhua, Zhejiang, 321035, China
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Peking University
Beijing, 100083, China
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