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New study aims to make sedation safer for obese joint surgery patients

NCT ID NCT05760534

Symptom relief Sponsor: Seoul National University Hospital 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looked at 110 obese patients (BMI over 25) having knee or hip replacement surgery under spinal anesthesia. Researchers compared two ways to calculate the dose of the sedative remimazolam: using ideal body weight versus total body weight. The goal was to find which dose reduces breathing problems during surgery while still keeping patients comfortable.

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

Phase 4

Runs after approval, following long-term safety and how well the treatment works in everyday use.

Participants

110 people

The number who actually took part.

Started

Mar 2023

Finished

Nov 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.

Ages

19 to 79 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: * Patients scheduled for elective knee or hip arthroplasty under spinal anesthesia * BMI\>25 * American Society of Anesthesiologists (ASA) classification I, II, III Exclusion Criteria: * Patient refusal * Contraindication for spinal anesthesia * Contraindication for remimazolam infusion * History of hypersensitivity to remimazolam * History of chronic use of benzodiazepine or opioid * Baseline MOAA/S score of 4 or lower * Pregnancy

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Conditions

The condition(s) this trial relates to.

arthritic joint disease osteoarthritis, hip osteoarthritis, knee

As listed by the trial registrant

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

Arthritis hip Arthritis knee

Contacts and locations

Locations

  • Jin-Tae Kim

    Seoul, South Korea

More trials for these conditions

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