Could a nausea drug tame blood pressure in sleep apnea?
NCT ID NCT06462287
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This pilot study tests whether a drug called aprepitant (currently used for nausea) can lower a hormone called aldosterone in people with severe sleep apnea and high blood pressure. The study will enroll 24 adults and measure aldosterone levels before and after taking the drug or a placebo. The goal is to understand if blocking a nerve signal in the adrenal gland can reduce blood pressure risks in sleep apnea.
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 24 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Mar 2024
- Expected to finish
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Jun 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 75 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: 1. Subject with severe obstructive sleep apnea syndrome (OSAS) defined by an apnea and hypopnea index (AHI) ≥ 30/h on polysomnography or ventilatory polygraphy (requiring continuous positive airway pressure). 2. Subject with essential hypertension treated medically or by lifestyle and dietary measures or newly diagnosed (defined by SBP ≥ 140 and/or DBP ≥ 90 mmHg according to current SFHTA-HAS recommendations). 3. Patient's agreement to replace diuretics with another neutral antihypertensive treatment (which does not interfere with the renin-angiotensin system), to stop consuming licorice and its derivatives, 7 to 10 days before taking the treatment. experimental and throughout the study (if applicable) Exclusion Criteria: 1. Minor subject or subject aged over 75 years 2. Criteria relating to associated pathologies leading to particular risks: * Subject presenting excessive daytime sleepiness with contraindication to driving (Epworth score \> 16) * Uncontrolled severe cardiovascular disease: myocardial infarction or stroke in the last 6 months, unstable angina, significant valvular heart disease, heart failure (≥ class II of the NYHA classification), uncontrolled cardiac arrhythmia or significant conduction abnormalities. Knowledge of chronic renal insufficiency defined by a glomerular filtration rate \< 60 mL/min/1.73m2 for more than 3 months) or moderate hepatic insufficiency defined by ALT and/or AST transaminases \> 3N) * Epilepsy * Known acute infections linked to HIV, HBV or HCV * Active cancer currently being treated 3. Contraindications to placebo and aprepitant
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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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CHU de Rouen
RECRUITINGRouen, France, 76000, France
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