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Eggs and iron: study tests if whole eggs boost muscle gain in older adults

NCT ID NCT00260442

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 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looks at whether eating whole eggs (which contain cholesterol) helps people aged 50-69 gain more muscle from resistance training compared to eating only egg whites. Thirty-six participants will either do weight training or remain sedentary for 12 weeks while consuming eggs or egg whites. Researchers will measure changes in muscle mass, strength, blood lipids, and inflammation to see if dietary cholesterol plays a role in muscle growth.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
whole eggs (dietary cholesterol)
What this could lead to
If it works, this could suggest that eating whole eggs helps older adults build more muscle from exercise without harming heart health.
What could go wrong
This is a small, early study with only 36 participants. Results may not apply to everyone, and eating eggs could raise cholesterol in some people.

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

36 people

The number who actually took part.

Start date

Nov 2005

Finished

Jan 2018

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 69 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: * men and women aged 50-69 * able to perform exercise testing and training Exclusion Criteria: * blood pressure \> 160/100 * cardiac arrhythmias * cancer * hernia * aortic aneurysm * kidney disease * lung disease * total cholesterol \> 240 mg/dl or \< 160 mg/dl * current use of cholesterol lowering medications * actively participating in \>1 hour per week of resistance training

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Conditions

The condition(s) this trial relates to.

cardiovascular disorder Inflammation Sarcopenia

As listed by the trial registrant

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

Cardiovascular disease Sarcopenia

Contacts and locations

Locations

  • Texas A&M University

    College Station, Texas, 77843, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.