NCT07383896

Chronic Obstructive Pulmonary Disease and Asthma in Workers at Navanakorn Industrial Zone, Thailand

• Status: Recruiting
• Phase: —
• Study type: Observational
• Enrollment: 310 (estimated)
• Sponsor: Thammasat University · Academic / Other
• Sex: All
• Age: 18 Years
• Healthy volunteers: Accepted

Summary

The goal of this observational study is to determine the prevalence of asthma and chronic obstructive pulmonary disease (COPD) among workers in an industrial zone in Thailand. The main question the study aims to answer is: What is the prevalence of asthma and COPD among workers in Thailand? Participants will complete a questionnaire on respiratory symptoms and undergo pulmonary function testing.

Detailed description

This study is a cross-sectional study. The study aims to determine the prevalence of asthma and COPD among workers in the Navanakorn Industrial Zone, Thailand. Thai subjects aged 18 years or older are included in the study.

Conditions

• Asthma
• COPD

Interventions

Type	Name	Description
DIAGNOSTIC_TEST	Pulmonary function test	Spirometry with bronchondilator test will be performed.

Timeline

• Start date: 2025-09-01
• Primary completion: 2026-03-31
• Completion: 2026-05-31
• First posted: 2026-02-03
• Last updated: 2026-04-17

Locations

1 site across 1 country: Thailand