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Same-Day knee surgery may be less painful than overnight stay

NCT ID NCT07686523

Symptom relief Sponsor: Thammasat 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 07, 2026 · Last updated Jul 08, 2026 · Updated 1 time

Summary

This study compares acute pain after partial knee replacement (unicompartmental knee arthroplasty) between patients who go home the same day and those who stay in the hospital. Researchers track pain scores and knee function in 244 adults aged 50 to 75. The goal is to see whether outpatient surgery leads to better or worse pain control than inpatient care.

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 outpatient surgery proves less painful, it could support same-day discharge for partial knee replacements, reducing hospital stays.
What could go wrong
This is an observational study, not a randomized trial, so results may be influenced by patient selection. Pain is subjective and varies widely.

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

244 people

The number who actually took part.

Started

Jan 2022

Finished

Jan 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.

Who is studied

anteromedia osteoarthritis of the knee

Ages

45 to 75 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 ≥ 50 years, range of movement ≥ 90°, varus deformity ≤ 10°, and flexion contracture ≤ 10°. Exclusion Criteria: * age ≥ 75 years, ASA physical status score \> 2, diagnosed obstructive sleep apnea, and intraoperative conversion to total knee arthroplasty due to full-thickness cartilage loss in the lateral compartment.

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Conditions

The condition(s) this trial relates to.

osteoarthritis, knee Pain, Postoperative

As listed by the trial registrant

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

Acute post operative pain

Contacts and locations

Locations

  • Boonchana Pongcharoen

    Pathum Thani, Changwat Pathum Thani, 12120, Thailand

  • Faculty of medicine, Thammsat university

    Pathum Thani, Changwat Pathum Thani, 12120, Thailand

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