Which sedative is kinder to the aging brain after surgery?
NCT ID NCT07113483
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests two sedative drugs, remimazolam and midazolam, in adults aged 65 and older having orthopedic surgery with regional anesthesia. The goal is to see which drug provides better sedation during surgery and causes fewer problems with thinking and memory shortly after. 120 participants will be randomly assigned to one of the two drugs, and neither they nor their doctors will know which one they received. The results will help doctors choose the safest sedative for older patients.
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 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
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About 120 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Oct 2025
An estimate. Start dates often move.
- Expected to finish
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Feb 2026
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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65 years and older
- 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 65 years or older. * Scheduled for traumatic or non-traumatic orthopedic surgery under regional anesthesia. * Able to provide informed consent or have a legally authorized representative provide consent. Exclusion Criteria: * Patient refusal to participate. * Mini-Cog score less than 3 (indicative of significant cognitive impairment). * Severe hepatic or renal failure. * Known allergy to benzodiazepines or propofol. * History of benzodiazepine dependence.
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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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Clinical Emergency Hospital of Bucharest
RECRUITINGBucharest, Romania
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Other studies related to the condition(s) this trial covers.
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