Medication targeting traits of obstructive sleep apnea

Pharmacological Treatment Targeting Endotypic Traits of Obstructive Sleep Apnea

Phase 4 Interventional China Medical University Hospital · NCT06295562

This study is testing if certain medications can improve sleep for people with obstructive sleep apnea by comparing them to a placebo.

Quick facts

PhasePhase 4
Study typeInterventional
Enrollment132 (estimated)
Ages20 Years and up
SexAll
SponsorChina Medical University Hospital Academic / other
Locations1 site (Taichung)
Trial IDNCT06295562 on ClinicalTrials.gov

What this trial studies

This study involves three intervention trials with 44 participants each, where half will receive medication and the other half a placebo before sleep. The medications being tested include atomoxetine combined with oxybutynin, venlafaxine, and atomoxetine combined with trazodone. Participants will undergo overnight polysomnography to assess changes in their apnea-hypopnea index and other sleep parameters. The goal is to evaluate the effectiveness of these pharmacological treatments on obstructive sleep apnea.

Who should consider this trial

Good fit: Ideal candidates are adults with an apnea-hypopnea index of 15 or higher.

Not a fit: Patients with severe medical or psychiatric conditions, or those currently using CPAP therapy, may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could provide new medication options for patients suffering from obstructive sleep apnea.

How similar studies have performed: Other studies have explored pharmacological treatments for sleep apnea, but this specific combination approach is relatively novel.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* apnea-hypopnea index ≥ 15 hr-¹

Exclusion Criteria:

* the presence of pulmonary, cardiac, neurologic, or other active severe medical or psychiatric diseases
* current use of continuous positive airway pressure therapy
* use of drugs that might interact with the investigational medication or known to affect sleep during the trial or 1 month before the study
* known allergy to the investigational medication
* current smoking
* heavy alcohol drinking (male \> 14 drinks and women \>7 drinks per week)
* pregnant or lactating
* periodic limb movement index ≤ 15hr-1
* the presence of sleep-related hypoventilation

Where this trial is running

Taichung

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Obstructive Sleep Apnea of Adultcompensationupper airwayTaiwanserotoninnoradrenaline
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.