Supplements may strengthen muscles in down syndrome patients
NCT ID NCT07213063
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether taking creatine and HMB supplements for 8 weeks can improve muscle strength, balance, and body composition in people with Down syndrome. Fifty participants will receive either the supplements or a placebo, along with nutrition education. Researchers will measure changes in lean mass, handgrip strength, and bone density before and after the trial.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- creatine monohydrate and beta-hydroxy-beta-methylbutyrate (HMB) supplements
- What this could lead to
- If it works, this could point toward a simple supplement routine to help people with Down syndrome gain strength and improve balance.
- What could go wrong
- This is a small, early-stage trial with only 50 participants, so results may not apply to everyone. Supplements may not produce meaningful improvements.
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 50 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Sep 2025
- Expected to finish
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May 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 years and older
- 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: * Diagnosis: Medical confirmation of Down syndrome (trisomy of chromosome 21). * Physical capacity: Ability to perform basic physical tests (e.g., standing up from a chair or walking without assistance). * Informed consent: Informed consent will be obtained from both the participant and their legal representative, in compliance with current legislation for individuals requiring support measures. Exclusion Criteria: * Chronic kidney disease: Diagnosis of chronic kidney disease. * Severe motor limitations: Inability to perform the required physical tests (e.g., paralysis or mobility impairments preventing the execution of muscle strength assessments). * Participation in other studies: Participation in another nutritional or supplementation intervention study within the last 6 months. * Allergies or intolerances: Known allergy to creatine or to components of the placebo (inulin).
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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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Universidad de Burgos
RECRUITINGBurgos, Burgos, 09003, Spain
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