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Knee replacement patients: do your pain catheters stay put?

NCT ID NCT05961085

Knowledge-focused Sponsor: Sunnybrook Health Sciences Centre 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 26, 2026

Summary

This study watches 100 knee replacement patients to see if a thin tube that delivers pain medicine near the thigh stays in the right place the day after surgery. Doctors will use ultrasound to check the tube's position and look for reasons it might move or stop working. The goal is to learn how often these tubes fail and why.

What this could mean

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

What this could lead to
If successful, this could help doctors place catheters better and reduce pain after knee replacement surgery.
What could go wrong
This is a small observational study, not a treatment test. It only looks at catheter position, not whether it improves pain or recovery.

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.

Participants

About 100 people

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

Started

Jul 2023

Expected to finish

Dec 2025

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.

Who is studied

All patients referred to Sunnybrook Health Sciences Centre scheduled for primary total knee arthroplasty

Ages

50 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: * Patients scheduled for Total Knee Arthroplasty * Older than 50 years Exclusion Criteria: * Body Mass Index greater than 40 * Chronic opioid consumption (greater than 30mg oral morphine equivalent daily) * Contraindication to Adductor Canal Catheter

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As listed by the trial registrant

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

Total knee arthroplasty

Contacts and locations

Locations

  • Sunnybrook Health Sciences Centre

    Toronto, Ontario, M4N 3M5, Canada

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