Clinical Trial

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

Recruiting
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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.
Protocol Amendment History 1 change
minor Completion moved earlier: 2026-06-30 -> 2026-05-31 2026-04-18
Trial Details
NCT Number NCT07383896
Lead Sponsor Thammasat University
Conditions Asthma, COPD
Enrollment 310 participants
Start Date 2025-09-01
Primary Completion 2026-03-31 (estimated)
Study Completion 2026-05-31 (estimated)
Updated on ClinicalTrials.gov 2026-04-17