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Could a knee replacement leave patients malnourished?

NCT ID NCT07782502

Knowledge-focused Sponsor: GCS Ramsay Santé pour l'Enseignement et la Recherche Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 24, 2026 · Last updated Aug 25, 2026 · Updated 1 time

Summary

This study investigates whether total knee replacement surgery can cause or worsen malnutrition in adults. Researchers will measure nutritional status through blood tests and physical performance tests before and after surgery in 60 patients. The goal is to understand if this type of surgery poses a hidden nutritional risk that has not been studied before.

What this could mean

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

Active substance
Additional postoperative blood tests and physical performance tests (hand grip, calf circumference, walking, chair stand, Timed Up & Go)
What this could lead to
If this study shows that knee replacement surgery can trigger or worsen malnutrition, it could lead to routine nutritional screening and support for patients before and after surgery.
What could go wrong
This is a small exploratory study, so findings may not apply to all patients. It only measures nutritional status, not whether any intervention improves outcomes.

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 60 people

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

Expected to start

Sep 2026

An estimate. Start dates often move.

Expected to finish

Mar 2028

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

18 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: * Male or female patients aged ≥18 years at the time of surgery * Patients scheduled for total knee arthroplasty. * Patients enrolled in the preoperative Enhanced Recovery After Surgery (ERAS) pathway. * Patients affiliated with or covered by a social security system. * French-speaking patients who have provided written informed consent Exclusion Criteria: * Patients scheduled for revision total knee arthroplasty * Protected patients: adults under guardianship, curatorship, or other legal protection measures, or individuals deprived of liberty by judicial or administrative decision * Patients hospitalized without consent.

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As listed by the trial registrant

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

Total knee anthroplasty

How to take part

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  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. We don't republish those.

    Open the record ↗

  3. A doctor treating you

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Contacts and locations

Locations

  • Clinique des Maussins

    Paris, 75850, France

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