Could a common antidepressant stop Post-Surgery confusion in seniors?
NCT ID NCT06969287
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether fluvoxamine, a drug used for depression, can help prevent delirium (sudden confusion) in older adults after non-cardiac surgery. About 46 people having elective surgery that requires at least a 2-day hospital stay will take part. The main goal is to see if the study is feasible, not yet to prove the drug works.
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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 46 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Apr 2026
- Expected to finish
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Apr 2028
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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60 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: * English-speaking * elective non-cardiac or non-intracranial surgery requiring at least a 2-day hospital length of stay Exclusion Criteria: * Received investigational drug within the last 7 weeks * lack of capacity to provide informed consent * prior known intolerance or allergy to SSRIs or fluvoxamine * planned postoperative ventilation * drug or alcohol dependence * preoperative use of non-NSAID medications with drug-drug interactions of Class X (Avoid Combination) or D (Consider Therapy Modification) * risk of serotonin syndrome (St John's Wort, SSRIs, or TCA)
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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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Washington University School of Medicine/Barnes-Jewish Hospital
RECRUITINGSt Louis, Missouri, 63110, United States
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