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Creatine boosts recovery for seniors after knee replacement, new trial aims to prove

NCT ID NCT06925880

Symptom relief Sponsor: Consorci Sanitari del Maresme 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tests whether taking creatine supplements for 12 weeks helps adults aged 65 and older regain muscle mass, strength, and physical function after total knee replacement surgery. Participants will take creatine or a placebo daily alongside standard rehabilitation. The goal is to see if creatine can speed up recovery and reduce frailty.

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 262 people

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

Started

Jun 2025

Expected to finish

Oct 2027

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

65 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

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: * Persons 65 years of age or older who have been operated on for the first time for total knee arthroplasty, * who are undergoing an outpatient rehabilitation program according to standard clinical practice, * who sign the informed consent form. Exclusion Criteria: * Chronic renal disease at stage G3b or higher or glomerular filtration rate \<30 ml/min/1.73m2. * Hepatic insufficiency, cirrhosis. * Neuromuscular and neurodegenerative diseases (amyotrophic lateral sclerosis, multiple sclerosis, muscular dystrophy, myasthenia gravis, Parkinson's disease, etc.). * Severe or very severe chronic obstructive pulmonary disease (COPD) (GOLD III-IV). * Moderate or severe chronic heart failure (NYHA 3-4). * Central sensitivity syndrome (fibromyalgia and chronic fatigue syndrome). * Moderate or severe cognitive impairment (GDS≥4). * Moderate-severe dependence for basic activities of daily living (preintervention Barthel index \<60 points). * Hemiparesis, amputation or malformation of any limb. * Consumption of creatine monohydrate supplements in the last 6 months.

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Conditions

The condition(s) this trial relates to.

osteoarthritis, knee

As listed by the trial registrant

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

Arthroplasties, knee replacement Creatine supplementation Frailty at older adults Functional capacity Physical performance Sarcopenia in elderly

How to take part

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

  1. The places running it

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

  2. 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 ↗

  3. 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

  • Elisabet Palomera

    RECRUITING

    Mataró, Barcelona, 08304, Spain

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