Super whey protein could fight Age-Related muscle loss
NCT ID NCT06971822
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study looks at whether a whey protein with extra leucine (a key amino acid) helps older adults build muscle better than regular whey protein. Thirty healthy men over 65 will take the protein and have muscle biopsies to measure protein synthesis at rest and after exercise. The goal is to find a simple way to combat sarcopenia, the muscle loss that comes with aging.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- leucine-enriched whey protein (beta-lactoglobulin)
- What this could lead to
- If successful, this could point toward a simple dietary supplement to help older adults maintain muscle mass and reduce frailty.
- What could go wrong
- This is a small, early-phase study with only 30 healthy men, so results may not apply to everyone. It measures short-term muscle protein synthesis, not long-term strength or function.
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 30 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Mar 2025
- Expected to finish
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Feb 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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65 years and older
- Sex
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Male participants only
- 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: Exclusion Criteria: * A BMI \<18 or \>35 kg/m2 * Active cardiovascular, cerebrovascular or respiratory disease: e.g. uncontrolled hypertension (BP \> 160/100), angina, heart failure (class III/IV), arrhythmia, right to left cardiac shunt, recent cardiac event, COPD, pulmonary hypertension or recent (6 mo) stroke * Any metabolic disease * Clotting dysfunction * A history of, or current neurological or musculoskeletal conditions (e.g. epilepsy) * Lactose intolerance * Having taken part in a research study in the last 3 months involving invasive procedures or an inconvenience allowance
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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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Royal Derby Hospital Medical School
RECRUITINGDerby, Derbyshire, DE22 3NE, United Kingdom