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New anesthesia drug may reduce Post-Surgery confusion in seniors

NCT ID NCT05514405

Symptom relief Sponsor: Inje University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 remimazolam, a newer anesthesia drug, causes less confusion (delirium) after surgery than the standard drug propofol in elderly patients having hip or knee replacement. Researchers will monitor 82 participants for three days after surgery to check for delirium and overall recovery quality. The goal is to find a safer anesthesia option for older adults.

What this could mean

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

Active substance
Remimazolam (Byfavo) and Propofol
What this could lead to
If remimazolam works better, it could offer a safer anesthesia option for elderly patients, reducing confusion after surgery.
What could go wrong
This is a small, early-stage trial with only 82 participants. The results may not apply to all patients, and the difference between drugs might be small.

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 82 people

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

Started

Aug 2022

Expected to finish

Sep 2026

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 to 100 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: * elderly patients undergoing hip or knee arthroplasty under general anesthesia. * body mass index \>30 kg/m2 Exclusion Criteria: * moderate to severe liver dysfunction * moderate to severe renal dysfunction * unable to extubate in the operation room after operation * benzodiazepine dependence * sensitivity to anesthetic drugs used for study (Benzodiazepines, Propofol, Remifentanil, Fentanyl citrate, Rocuronium bromide, Sugammadex, Flumazenil) * acute angle glaucoma * received (benzodiazepine, antianxiety drugs, antidepressant, antipsychotic drugs) within 24 hours. * acute psychotic depression * history stroke or cerebrovascular disease

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Conditions

The condition(s) this trial relates to.

Femoral Fractures femoral neck fracture hip fracture osteoarthritis, knee

As listed by the trial registrant

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

Femur fracture Hip fractures Knee osteoarthritis

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

  • Sanggye Paik hospital

    RECRUITING

    Seoul, South Korea

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