[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100622459":3},{"organization":4,"outcomesModule":7,"designInfo":21,"detailedDescription":23,"studyPopulation":24,"armGroups":25,"interventions":31,"overallOfficials":37,"centralContacts":42,"locations":51,"responsibleParty":69,"collaborators":20,"id":71,"slug":20,"hasResults":72,"nctId":73,"briefTitle":74,"officialTitle":74,"acronym":20,"eligibilityCriteria":75,"healthyVolunteers":76,"sex":77,"minAge":78,"maxAge":20,"enrollmentInfo":79,"targetDuration":20,"studyType":82,"phases":20,"briefSummary":83,"conditions":84,"keywords":87,"overallStatus":54,"whyStopped":20,"lastUpdateSubmitDate":92,"lastUpdatePostDateStruct":93,"startDateStruct":96,"completionDateStruct":98,"leadSponsor":100,"locationsCount":101},{"fullName":5,"class":6},"Thammasat University","OTHER",{"primaryOutcomes":8,"secondaryOutcomes":16,"otherOutcomes":20},[9,13],{"measure":10,"description":11,"timeFrame":12},"Prevalence of asthma among workers at the Navanakorn Industrial Zone","Prevalence rate of asthma among workers in the Navanakorn Industrial Zone","Baseline",{"measure":14,"description":15,"timeFrame":12},"Prevalence of COPD among workers in the Navanakorn Industrial Zone","Prevalence rate of COPD among workers in the Navanakorn Industrial Zone",[17],{"measure":18,"description":19,"timeFrame":12},"Prevalence of abnormal lung function among workers in the Navanakorn Industrial Zone","Prevalence rate of abnormal lung function among workers in the Navanakorn Industrial Zone",null,{"allocation":20,"interventionModel":20,"interventionModelDescription":20,"primaryPurpose":20,"observationalModel":6,"timePerspective":22,"maskingInfo":20},"CROSS_SECTIONAL","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.","Subjects aged 18 years or older who work or live in the Navanakorn Industrial Zone, Thailand.",[26],{"label":27,"type":20,"description":28,"interventionNames":29},"Workers","Workers aged 18 years or older at Navanakorn industrial zone, Thailand",[30],"Diagnostic Test: Pulmonary function test",[32],{"type":33,"name":34,"description":35,"armGroupLabels":36,"otherNames":20},"DIAGNOSTIC_TEST","Pulmonary function test","Spirometry with bronchondilator test will be performed.",[27],[38],{"name":39,"affiliation":40,"role":41},"Narongkorn Saiphoklang, MD","Thammasat University Faculty of Medicine","PRINCIPAL_INVESTIGATOR",[43,47],{"name":39,"role":44,"phone":45,"phoneExt":20,"email":46},"CONTACT","+6629269794","M_narongkorn@hotmail.com",{"name":48,"role":44,"phone":49,"phoneExt":20,"email":50},"Apiwat Pugongchai, MSc","+6629269142","pu.apiwat@gmail.com",[52],{"facility":53,"status":54,"city":55,"state":56,"zip":57,"country":58,"countryCode":59,"cosmosGeoPoint":60,"geoPoint":65,"contacts":66},"Faculty of Medicine, Thammasat University","RECRUITING","Pathum Thani","Changwat Pathum Thani","12120","Thailand","TH",{"type":61,"coordinates":62},"Point",[63,64],100.53049,14.01346,{"lat":64,"lon":63},[67,68],{"name":39,"role":44,"phone":45,"phoneExt":20,"email":46},{"name":48,"role":44,"phone":49,"phoneExt":20,"email":50},{"type":41,"investigatorFullName":39,"investigatorTitle":70,"investigatorAffiliation":5,"oldNameTitle":20,"oldOrganization":20},"Associate Professor","100622459",false,"NCT07383896","Chronic Obstructive Pulmonary Disease and Asthma in Workers at Navanakorn Industrial Zone, Thailand","Inclusion Criteria:\n\n* Age 18 years or older\n\nExclusion Criteria:\n\n* Inability to perform spirometry",true,"ALL","18 Years",{"count":80,"type":81},310,"ESTIMATED","OBSERVATIONAL","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.\n\nThe main question the study aims to answer is:\n\nWhat is the prevalence of asthma and COPD among workers in Thailand? Participants will complete a questionnaire on respiratory symptoms and undergo pulmonary function testing.",[85,86],"Asthma","COPD",[88,86,89,90,91,58],"asthma","pulmonary function","worker","industry","2026-04-15",{"date":94,"type":95},"2026-04-17","ACTUAL",{"date":97,"type":95},"2025-09-01",{"date":99,"type":81},"2026-05-31",{"name":5,"class":6},1]