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Scientists uncover how key amino acids fuel muscle and sugar processing

NCT ID NCT06218264

Knowledge-focused Sponsor: Wageningen University Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looked at how branched-chain amino acids (BCAAs) help build muscle and process sugar in 24 healthy young adults. Participants drank a mix of amino acids, with or without BCAAs, and researchers measured muscle protein building and insulin sensitivity. The goal was to understand BCAAs' role, not to treat any disease.

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

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

24 people

The number who actually took part.

Started

Jan 2024

Finished

Feb 2026

Lead sponsor

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

18 to 35 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show 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: * Aged from 18-35 years * 18.5 \< Body mass index \< 30 kg·m2 * Recreationally active (performing non-competitive physical exercise at least one time per week for minimally 30 minutes) Exclusion Criteria: * Smoking * Diabetes (Type 1, Type 2, or genetic form of diabetes) * Any diagnosed cardiovascular (heart) disease or high blood pressure (≥140 mmHg systolic and/or ≥90 mmHg diastolic) * Chronic use of any prescribed or over the counter pharmaceuticals (excluding oral contraceptives and contraceptive devices) * Known allergy to lidocaine * Regular use of dietary protein and/or amino acid supplements (\>3 times per week) * Currently involved in a structured progressive resistance training programme (\>3 times per week) * A personal or family history of thrombosis (clots), epilepsy, seizures, or schizophrenia. * Any previous motor disorders or disorders in muscle and/or lipid metabolism * Presence of an ulcer in the stomach or gut and/or strong history of indigestion * Known severe kidney problems * Pregnant or breastfeeding * Unable to give consent

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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Healthy

Contacts and locations

Locations

  • Wageningen University and Research

    Wageningen, Gelderland, 6708 WD, Netherlands

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