Remission in Adults With Severe Asthma in Thailand
The goal of this observational study is to determine the prevalence of remission among adults with severe asthma, as well as the factors associated with remission in Thailand. The main question the study aims to answer is: What is the prevalence of remission among adults with severe asthma in Thailand? Participants will complete questionnaires on asthma symptoms and undergo pulmonary function testing and a blood test once.
Conditions studied
Severe Asthma, Asthma Control Level
About this study
The goal of this observational study is to determine the prevalence of remission among adults with severe asthma, as well as the factors associated with remission in Thailand. The main question the study aims to answer is: What is the prevalence of remission among adults with severe asthma in Thailand? Participants will complete questionnaires on asthma symptoms and undergo pulmonary function testing and a blood test once.
Interventions
- Other: Global Initiative for Asthma (GINA) and Asthma Control Test (ACT) questionnaires — GINA and ACT are questionnaires used to assess the level of asthma control.
- Diagnostic Test: Spirometry — Spirometry is a tool used to assess pulmonary function.
- Diagnostic Test: Fractional exhaled nitric oxide (FeNO) test — FeNO is a tool used to assess eosinophilic airway inflammation and asthma remission.
- Diagnostic Test: Blood eosinophil count (BEC) — BEC is a tool used to assess eosinophilic inflammation and asthma remission.
Primary outcomes
- Prevalence rate of severe asthma remission (The beginning of the study)
Eligibility information
Study locations
- Narongkorn Saiphoklang, Pathum Thani, 12120 Thailand
Source: ClinicalTrials.gov. Record last refreshed by Varda Clinical: 2026-09-28.