Skip to main content
OpenTrials
Active, Not Recruiting

NCT Number: NCT06916858

Prevalence of OSA and Diagnostic Accuracy of Type 3 Home Sleep Test in Difficult-to-treat Asthma

cross sectional cohort study enroll Patients diagnosed with difficult-to-treat asthma, aged over 18 years, and experiencing persistent symptoms as assessed by the Asthma Control Test (ACT) underwent type 1 in-laboratory polysomnography and type 3 HSAT within 1 month apart

Active, Not Recruiting

This study is active but is not currently recruiting participants.

Key information

Conditions

OSA Asthma Bronchial Diseases Hypersensitivity Hypersensitivity, Immediate Immune System Diseases Lung Diseases Lung Diseases, Obstructive Respiratory Hypersensitivity Respiratory Tract Diseases

Age range

18 year–80 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

Tidarat Somreusean

Bangkok, Thailand

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • difficult-to-treat asthma .
  • Patients aged 18 years or older

Exclusion criteria

  • Patients or volunteers unable to undergo type 1 and type 3 sleep studies,
  • Patients with symptoms compatible with other sleep disorders,
  • Patients with a history of or current stroke or transient ischemic attack and Other chronic respiratory diseases.
  • Patients diagnosed with obstructive sleep apnea

Treatment and study plan

home sleep test

Device

Apnealink air

Other names: polysonography

Primary outcomes

  1. prevalence of OSA in patients with difficult-to-treat asthma

    Time frame: up to 4 months

    prevalence of OSA in patients with difficult-to-treat asthma

Secondary outcomes

  1. assess the accuracy of type 3 home sleep apnea test (HSAT)

    Time frame: up to 1 months

    number of participant who have same diagnosed OSA with type 3 HSAT compare to type 1 sleep test

    • AHI
    • ODI

Sponsors and collaborators

Lead sponsor

Chulalongkorn University

Other

Registry information

Important dates

Study start
2024
Primary completion
2024
Study completion
2025
First posted
Apr 8, 2025
Registry last updated
Jun 25, 2025

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

Related clinical trials

Published trials that share one or more normalized conditions with this study.