Can a common antidepressant help seniors sleep better?
NCT ID NCT06983080
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tests whether trazodone, a medication often used for depression, can improve sleep in adults aged 65 and older with chronic insomnia. Forty participants will take either trazodone or a placebo for 28 days, then switch after a break. They will track their sleep with diaries and activity monitors to see if the drug reduces insomnia symptoms.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- trazodone
- What this could lead to
- If it works, this could offer a safe, non-habit-forming sleep aid for older adults with chronic insomnia.
- What could go wrong
- This is a small, early-phase trial with only 40 participants. The results may not apply to everyone, and trazodone can cause side effects like drowsiness or dizziness.
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 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
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About 40 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Nov 2025
- Expected to finish
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Dec 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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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: * Individuals aged 65 or older in an outpatient setting * Insomnia according to the criteria of the ICSD-3R Exclusion Criteria: * Contraindication to trazodone (hypersensitivity) * Presence of a ventricular cardiac arrhythmia (e.g., torsades de pointes) * Recent myocardial infarction (\< 6 months) * Substances that may alter sleep (hypnotics or any other medication intended to induce sleep, such as mirtazapine or quetiapine, corticosteroids, melatonin, psychostimulant drugs) * Active, unstable psychiatric disorder * Initiation or titration of an antidepressant within the past 6 months * Cognitive-behavioral therapy ongoing or planned during the study period * Major neurocognitive disorder (NCD) moderate or severe, or other cognitive disorders that may prevent the participant from being able to participate in the study, according to the judgment of the evaluating physician * Parkinson's disease * Priapism * Known angle-closure glaucoma * Symptomatic restless leg syndrome \> 3 times per week * QTc interval \> 500 ms * Parasomnias, dyssomnias other than insomnia * Severe sleep apnea with AHI \> 30 without CPAP treatment * Use of a monoamine oxidase inhibitor * Use of a strong CYP 3A4 inducer or inhibitor * Hospitalized individuals * Seizure within the past 6 months * History of orthostatic hypotension * History of delirium within the last 6 months * Consumption of \> 14 alcoholic drinks per day or use of alcohol to induce sleep.
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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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Centre Hospitalier de l'Université de Montréal
RECRUITINGMontreal, Quebec, H2X 0C1, Canada
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