[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100627330":3},{"organization":4,"armGroups":7,"interventions":18,"overallOfficials":25,"centralContacts":29,"locations":34,"responsibleParty":52,"collaborators":24,"id":55,"slug":56,"hasResults":57,"nctId":58,"briefTitle":59,"officialTitle":60,"acronym":24,"eligibilityCriteria":61,"healthyVolunteers":57,"sex":62,"minAge":63,"maxAge":64,"enrollmentInfo":65,"targetDuration":24,"studyType":68,"phases":69,"briefSummary":71,"conditions":72,"keywords":75,"overallStatus":37,"whyStopped":24,"lastUpdateSubmitDate":78,"lastUpdatePostDateStruct":79,"startDateStruct":82,"completionDateStruct":84,"leadSponsor":86,"locationsCount":87},{"fullName":5,"class":6},"Fu Jen Catholic University","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"Conventional Spirometer","EXPERIMENTAL","Standard hospital spirometry performed according to ATS\u002FERS procedures to obtain FEV1, FVC, and PEF. In this study, spirometry is performed using the Conventional Spirometer first, followed by the Ultrasonic Spirometer.",[13],"Diagnostic Test: Spirometer",{"label":15,"type":10,"description":16,"interventionNames":17},"Ultrasonic Spirometer","Standard hospital spirometry performed according to ATS\u002FERS procedures to obtain FEV1, FVC, and PEF. In this study, spirometry is performed using the Ultrasonic Spirometer first, followed by the Conventional Spirometer.",[13],[19],{"type":20,"name":21,"description":22,"armGroupLabels":23,"otherNames":24},"DIAGNOSTIC_TEST","Spirometer","The handheld ultrasonic spirometry device uses acoustic flow analysis to measure FEV1, FVC, and PEF and is evaluated for accuracy compared with the conventional spirometer. Participants may perform this test either before or after the conventional spirometry test, depending on the randomized crossover sequence.",[9,15],null,[26],{"name":27,"affiliation":5,"role":28},"Ke-Yun Chao, PhD","PRINCIPAL_INVESTIGATOR",[30],{"name":27,"role":31,"phone":32,"phoneExt":24,"email":33},"CONTACT","+886905301879","148540@mail.fju.edu.tw",[35],{"facility":36,"status":37,"city":38,"state":24,"zip":39,"country":40,"countryCode":41,"cosmosGeoPoint":42,"geoPoint":47,"contacts":48},"Cardinal Tien Hospital","RECRUITING","New Taipei City","23148","Taiwan","TW",{"type":43,"coordinates":44},"Point",[45,46],121.45703,25.06199,{"lat":46,"lon":45},[49,51],{"name":27,"role":31,"phone":50,"phoneExt":24,"email":33},"+886-905-301-879",{"name":27,"role":31,"phone":24,"phoneExt":24,"email":24},{"type":28,"investigatorFullName":53,"investigatorTitle":54,"investigatorAffiliation":5,"oldNameTitle":24,"oldOrganization":24},"Ke-Yun, Chao","Assistant Professor","100627330","comparing-ultrasonic-and-conventional-spirometry-in-chronic-respiratory-disease-100627330",false,"NCT07447232","Comparing Ultrasonic and Conventional Spirometry in Chronic Respiratory Disease","A Comparative Study of Ultrasonic and Conventional Spirometers in Patients With Chronic Respiratory Diseases","Inclusion Criteria:\n\n* Adults aged 18 to 80 years.\n* Diagnosed with a chronic respiratory disease (e.g., COPD, asthma, bronchiectasis, or interstitial lung disease).\n* Willing to follow the instructions for using the ultrasonic spirometer.\n* Clinically stable and able to understand the study purpose and procedures, and who provide informed consent.\n\nExclusion Criteria:\n\n* Individuals who, after explanation, are still unable to properly perform the ultrasonic spirometry procedure.\n* Individuals who, after explanation, refuse to participate in the study.\n* Patients with unstable vital signs.\n* Pregnant or suspected pregnant women.","ALL","18 Years","80 Years",{"count":66,"type":67},100,"ESTIMATED","INTERVENTIONAL",[70],"NA","This study compares a handheld ultrasonic spirometer with a standard hospital spirometer in adults with chronic respiratory diseases. Each participant will complete lung function tests using both devices. The study aims to determine whether the ultrasonic device provides accurate and reliable measurements for use in clinical or home settings.",[73,74],"Chronic Obstructive Pulmonary Disease (COPD)","Spirometry",[73,74,76,77],"Ultrasonic Flow Sensor","Pulmonary Function Test","2026-07-01",{"date":80,"type":81},"2026-07-02","ACTUAL",{"date":83,"type":81},"2026-06-29",{"date":85,"type":67},"2026-07-31",{"name":5,"class":6},1]