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

NCT07383896RECRUITINGN/A

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

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.

Sponsor

Thammasat University

Enrollment

310 participants

Sites

1 locations

Start Date

September 2025

Completion

March 2026

AsthmaCOPDPulmonary function test

View on ClinicalTrials.gov

Primary Outcomes

Prevalence of asthma among workers at the Navanakorn Industrial Zone

Baseline

Prevalence rate of asthma among workers in the Navanakorn Industrial Zone

Prevalence of COPD among workers in the Navanakorn Industrial Zone

Baseline

Prevalence rate of COPD among workers in the Navanakorn Industrial Zone

Eligibility

Min Age

18 Years

Sex

all

Healthy Volunteers

Yes

View full criteria

Multi-Source Intelligencefrom PubMed · FDA FAERS · WHO ICTRP

Dust exposure and the impact on hospital readmission of farming and wood industry workers for asthma and chronic obstructive pulmonary disease (COPD).

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Analysis of lung function and respiratory symptoms in brass/metal industrial workers of Moradabad, Uttar Pradesh, India.

Garg Rohin, Matreja Prithpal Singh, Maqusood MazherAnnals of African medicine2023

Assessment of pulmonary function test in brick factory workers.

Bansal Nandini, Lanjewar Ajay, Acharya Sourya et al.Journal of family medicine and primary care2023

A study on respiratory problems and pulmonary function indexes among cement industry workers in Mashhad, Iran.

Rafeemanesh Ehsan, Alizadeh Ashkan, Afshari Saleh Lahya et al.Medycyna pracy2016

PM2.5 exposure and lung function impairment among fiber-cement industry workers.

Nasri Sjahrul Meizar, Putri Fiori Amelia, Sunarno Stevan et al.Journal of public health research2024

Respiratory symptoms and pulmonary function impairment among textile industry workers in Alexandria, Egypt.

Elshaer Noha, Foda Nermin, Shehata SamehJournal of public health in Africa2023

Respiratory Symptoms and Pulmonary Function of Workers in the Waste Management Industry.

Papageorgiou Chrysovalantis V, Savourdos Petros, Douna Eleni et al.Cureus2021

Spirometric Abnormalities and Lung Function Decline in Current and Former Microwave Popcorn and Current Flavoring Manufacturing Workers.

Cox-Ganser Jean M, White Sandra K, Fedan Kathleen B et al.Journal of occupational and environmental medicine2021

Survey of asthma control in Thailand.

Boonsawat Watchara, Charoenphan Poonkasem, Kiatboonsri Sumalee et al.Respirology (Carlton, Vic.)2005

Prevalence of Chronic Obstructive Pulmonary Disease and Asthma in the Community of Pathumthani, Thailand.

Saiphoklang Narongkorn, Ruchiwit Pitchayapa, Kanitsap Apichart et al.Diseases (Basel, Switzerland)2025

Silicosis and Pulmonary Functions Among Residents Exposed to Dust in Saraburi Thailand.

Saiphoklang Narongkorn, Ruchiwit Pitchayapa, Kanitsap Apichart et al.Diseases (Basel, Switzerland)2025

PubMed/NCBI (daily updates) FDA FAERS (quarterly updates) WHO ICTRP (weekly updates)

Inclusion Criteria:

* Age 18 years or older

Exclusion Criteria:

* Inability to perform spirometry