Can a lighter sedative dose keep patients calm after nasal surgery?
NCT ID NCT07740655
First seen Jul 31, 2026 · Last updated Jul 31, 2026
Summary
This trial tests whether a low dose of the sedative remimazolam can prevent emergence agitation—confusion and restlessness during recovery from anesthesia—after nasal surgery. The standard dose can cause excessive sleepiness and brain wave suppression, so researchers want to see if a lower dose works just as well with fewer side effects. Adults aged 18-79 undergoing nasal surgery under sevoflurane anesthesia will receive either a low or standard dose of remimazolam at the end of surgery, and their recovery will be closely monitored.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- remimazolam
- What this could lead to
- If low-dose remimazolam works as well as the standard dose, it could offer a safer way to prevent post-surgery agitation, reducing excessive sedation and brain activity suppression.
- What could go wrong
- This is a small, single-center trial, and the lower dose might not be as effective. There's also a risk of allergic reactions or other side effects from the drug.
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
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Phase 4
Runs after approval, following long-term safety and how well the treatment works in everyday use.
- Participants
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About 138 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Jul 2026
An estimate. Start dates often move.
- Expected to finish
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Jul 2027
An estimate. End dates often move.
- Lead sponsor
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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
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18 to 79 years
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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: * Adults aged 18 to 79 years. * Scheduled to undergo elective nasal surgery under sevoflurane-based general anesthesia at Jeju National University Hospital. * Able to provide written informed consent. Exclusion Criteria: * Contraindications to remimazolam. * History of allergy or hypersensitivity to benzodiazepines. * Inability to provide informed consent due to cognitive impairment. * Preexisting psychiatric disorders. * History of alcohol or substance abuse. * Inability to assess the Riker Sedation-Agitation Scale (SAS). * Body mass index (BMI) \> 40 kg/m².
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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Jeju National University Hospital
Jeju City, Jeju-do, South Korea
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