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App-Based rehab after joint replacement shows promise in early trial

NCT ID NCT07199478

Symptom relief Sponsor: The Affiliated Hospital Of Southwest Medical 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tested a WeChat mini-program that provides personalized rehab plans, progress tracking, and emotional support for people recovering from hip or knee replacement surgery. 140 adults aged 18-80 used the app alongside standard care, or standard care alone. The goal was to see if the app improves physical function and reduces pain at 6 weeks after surgery.

What this could mean

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

Active substance
WeChat-based mini-program for digital rehabilitation
What this could lead to
If it works, this could provide a simple, app-based way to improve recovery and quality of life after hip or knee replacement surgery.
What could go wrong
This is a small, single-center trial with 140 people. The app may not work for everyone, and results may not apply to other hospitals or patients without smartphones.

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

140 people

The number who actually took part.

Started

Sep 2025

Finished

Jan 2026

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 to 80 years

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: * Age: 18-80 years old. Surgery Type: Scheduled to undergo unilateral primary total hip arthroplasty (THA) or total knee arthroplasty (TKA). Physical Status: American Society of Anesthesiologists (ASA) classification I-III. Digital Literacy: Confirmed ability to use a smartphone via a standardized digital literacy test. Compliance: Willing and able to adhere to the study protocol. Exclusion Criteria: * Surgery Type: Revision surgery or simultaneous bilateral surgery. Cognitive Function: Presence of severe cognitive impairment (Mini-Mental State Examination (MMSE) score \<24). Arthritis Type: Inflammatory arthritis (e.g., rheumatoid arthritis). Psychological Status: Presence of depressive state at baseline (Hospital Anxiety and Depression Scale (HADS) depression subscale score ≥15).

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Conditions

The condition(s) this trial relates to.

osteoarthritis

As listed by the trial registrant

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

ERAS Total hip arthroplasty Total knee arthroplasty

Contacts and locations

Locations

  • The Affiliated Hospital of Southwest Medical University

    Luzhou, Sichuan, China

More trials for these conditions

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