Peanut protein vs dairy: which builds muscle better in seniors?
NCT ID NCT06693544
First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study looks at how well peanut protein and dairy protein help build muscle in healthy older adults aged 65-80 who are at risk for frailty. Researchers will measure how the body uses amino acids from each protein source. The goal is to understand which protein is better at supporting muscle health as we age.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Peanut protein and dairy protein
- What this could lead to
- If successful, this could help identify which protein sources best support muscle health in older adults, potentially guiding dietary recommendations to prevent frailty.
- What could go wrong
- This is a very small, early-stage study with only 15 participants. It measures short-term protein metabolism, not long-term health outcomes, so results may not translate to real-world benefits.
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 15 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Oct 2024
- Expected to finish
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Jul 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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65 to 80 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: * Previous completion of IRB2023-0549: Prandial Metabolic Phenotyping in Sarcopenic Older Adults Comparing Plant Based and Whey Based Protein (NCT06628349) * Age 65-80 years old * Stable body-weight (less than ±5% in the previous 6 months) * Ability to walk, sit down, and stand up (independently or with walking assistance device) * Willingness to lay supine in bed for up to 6 hours * Willingness and ability to comply with the protocol Exclusion criteria * Established diagnosis and active treatment of chronic disease: Insulin dependent diabetes mellitus, active malignancy, heart disease, kidney disease, liver disease, HIV/AIDS, Asthma (moderate to severe), Hep (A,B, or C) * History of untreated metabolic disease including hepatic or renal disorder * Presence of acute illness or metabolically unstable chronic illness * Active dependence of alcohol or drugs * Use of short course of oral corticosteroids within 4 weeks preceding study day * Current use of long-term oral corticosteroids * Use of protein or amino acids containing nutritional supplements within 5 days of the first study day * Planned elective surgery requiring 2 or more days of hospitalization during the entire study * (Possible) pregnancy * Failure to give informed consent or Investigator's uncertainty about the willingness or ability of the subject * Already enrolled in another clinical trial * Any condition according to the PI or nurse that was found during the screening visit, that would interfere with the study or safety of the patient * Known allergy to any of the components of the feeding (i.e., peanut) * Experienced issue with intake of peanut or peanut products within the previous year * Established daily diet of vegetarian / vegan composition
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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
The full official record for this study. This one lists no contact details, but it is the first place any would appear.
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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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Texas A&M University - CTRAL
College Station, Texas, 77843, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- Beef protein study: does a mixed meal change digestion?
- Protein showdown: which drink helps seniors most?
- Potato or bread with beef: which builds more muscle after a workout?