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Krill power: could this tiny creature help seniors build stronger muscles?

NCT ID NCT05774444

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looked at whether taking krill oil or krill protein can help people aged 60 and older build more muscle after weightlifting. 52 participants did a single session of resistance exercise and then had their muscle-building processes measured. The goal was to see if these supplements could improve muscle strength and size, which could help manage age-related muscle loss.

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

52 people

The number who actually took part.

Started

May 2023

Finished

May 2025

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

60 to 90 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: * Be 60 years old or older * Have a BMI of less than 35kg/m2 * Be participating in structured exercise for less than 2h per week Exclusion Criteria: * Diabetes * Severe cardiovascular disease * Seizure disorders, * Uncontrolled hypertension (\>150/90mmHg at baseline measurement) * Cancer or cancer that has been in remission \<5 years * Ambulatory impairments which would limit ability to perform assessments of muscle function * Dementia * Taking medication known to affect muscle (e.g., steroids) * Have an implanted electronic device (e.g., pacemaker/defibrillator/insulin pump), * Anticoagulant therapy * Allergies to seafood * Regular consumption of more than 1 portion of oily fish per week.

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Conditions

The condition(s) this trial relates to.

Hypertrophy Motor Activity

As listed by the trial registrant

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

Contacts and locations

Locations

  • Stuart Robert Gray

    Glasgow, United Kingdom

More trials for these conditions

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