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Plant vs. whey protein: which builds muscle better in seniors?

NCT ID NCT06628349

Knowledge-focused Sponsor: Texas A&M University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looks at how plant-based and whey (dairy) proteins affect muscle building in older adults, including those with muscle loss (sarcopenia). Researchers will measure how the body processes amino acids from each protein type. The goal is to learn which protein composition best supports muscle health, not to test a treatment. About 100 adults aged 50-95 will participate.

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

About 100 people

The number the study aims to enrol. It can still change while the study runs.

Started

Feb 2024

Expected to finish

Dec 2026

An estimate. End dates often move.

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

50 to 95 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: * Age 50-95 years old * Diagnosis of Chronic Obstructive Pulmonary Disease (COPD); COPD group only * Stable body-weight (±5%) for the past 3 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 * Hysterectomy * 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 * Presence of fever within the last 3 days * 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 (soy, pea, or whey - dairy) * Established daily diet of vegetarian / vegan composition * \<23 MoCa score

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Conditions

The condition(s) this trial relates to.

chronic obstructive pulmonary disease Sarcopenia

As listed by the trial registrant

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

Protein metabolism

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The study's own enquiry address

    This study publishes an address for enquiries. See it below .

  2. The places running it

    1 site. The list below names each one and where it is.

  3. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  4. 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

Study contacts

  • Contact

    Email: •••••@•••••

Locations

  • Texas A&M University - CTRAL

    RECRUITING

    College Station, Texas, 77845, United States

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