Teens with obesity: could a 12-week exercise and diet program improve your health?
NCT ID NCT06848478
First seen Jun 27, 2026 · Last updated Sep 16, 2026 · Updated 2 times
Summary
This study looks at how exercise and eating more fruits and vegetables affect the heart and metabolic health of 120 teens aged 13–17 with obesity. Participants will be split into four groups: standard care, exercise only, diet only, or both exercise and diet. Over 12 weeks, researchers will measure changes in blood fats, blood sugar, blood pressure, body fat, and fitness to see which approach works best.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- exercise and dietary enrichment with fruits and vegetables
- What this could lead to
- If it works, this could show that combining exercise with a fruit- and vegetable-rich diet improves heart and metabolic health in teens with obesity.
- What could go wrong
- This is a small, early-stage behavioral study (120 teens) with no blinding, so results may be influenced by participant motivation or other factors. It tests lifestyle changes, not a drug, so benefits may be modest.
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 120 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jun 2026
- Expected to finish
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Mar 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.
- Ages
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13 to 17 years
- 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: * Male or female aged 13 to 17 years. * Newly enrolled in a weight management program. * Excessive weight: Class I obesity I (≥95% percentile to \< 120% of the 95th percentile), class II Obesity (≥120 to \<140% of the 95th percentile, or BMI ≥35 to \< 40 g/m2). * Less than 60 min/day of moderate to vigorous physical activity. * Fruit intake ≤ 1.5 cup equivalent per day. * Vegetable intake ≤ 1.5 cup equivalent per day. * Medical release. Exclusion Criteria: * Type 2 diabetes mellitus. * Asthma that requires daily use of inhalers to keep symptoms under control. * Asthma that requires the use of rescue inhalers (e.g., albuterol) \>2 days per week * Exercise-induced asthma. * Autism spectrum disorder (e.g., Autistic disorder, Rett disorder, Asperger disorder, childhood disintegrative disorder, pervasive developmental disorder not otherwise specified (PDD-NOS). * Epilepsy. * Cancer. * Chronic kidney disease. * Hormonal disease (e.g., hypothyroidism and growth hormone deficiency). * Autoimmune diseases (e.g., lupus, thyroiditis, juvenile idiopathic arthritis). * Bleeding disorders (e.g., hemophilia). * Chronic infections (e.g., HIV, hepatitis B, hepatitis C). * Other pre-existing medical conditions or medications as determined by the investigators to affect the outcomes of interest. * Pregnancy. * Dislike of \> 1 study product assessed at the initial visit. * Parent/child refusal to have blood drawn. * Refusal to authorize study investigators to access data from the clinical records.
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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
2 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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Arkansas Children's Hospital Research Institute
RECRUITINGLittle Rock, Arkansas, 72202, United States
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Arkansas Children's Nutrition Center
RECRUITINGLittle Rock, Arkansas, 72202, United States
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