Thammasat University

This study will check how many workers in an industrial zone in Thailand have asthma or COPD. About 310 adults will answer a questionnaire and take a breathing test. The goal is to find out how common these lung problems are in this group, not to test a treatment.

This study aims to find out how many adults with mild-to-moderate asthma in Thailand experience remission, meaning their asthma goes away or becomes inactive. Researchers will also look for factors linked to remission. About 289 adults will fill out a symptom questionnaire, take …

This observational study aims to find out how many adults with severe asthma in Thailand achieve remission and what factors might help. Researchers will collect data from 230 participants through questionnaires, lung function tests, and a blood test. The study does not provide tr…

This study looks at whether using a formula to set CPAP machine pressure works as well as the standard overnight lab test for people with sleep apnea. About 150 Thai adults with suspected sleep apnea will take part. The goal is to find the most accurate formula for setting the ri…