Not Yet RecruitingNot Applicable

Comparing Ultrasonic and Conventional Spirometry in Chronic Respiratory Disease

Taiwan100 participantsStarted 2026-03-02

Plain-language summary

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.

Who can participate

Age range18 Years – 80 Years

SexALL

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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.

Inclusion Criteria: * Adults aged 18 to 80 years. * Diagnosed with a chronic respiratory disease (e.g., COPD, asthma, bronchiectasis, or interstitial lung disease). * Willing to follow the instructions for using the ultrasonic spirometer. * Clinically stable and able to understand the study purpose and procedures, and who provide informed consent. Exclusion Criteria: * Individuals who, after explanation, are still unable to properly perform the ultrasonic spirometry procedure. * Individuals who, after explanation, refuse to participate in the study. * Patients with unstable vital signs. * Pregnant or suspected pregnant women.

What they're measuring

Agreement of FEV1 between Ultrasonic and Conventional Spirometers

Timeframe: one day

Trial details

NCT IDNCT07447232

SponsorFu Jen Catholic University

Sponsor typeOTHER

Study typeINTERVENTIONAL

Primary completion2026-06-30

Contact for this trial

Ke-Yun Chao, PhD

+886905301879 148540@mail.fju.edu.tw

View on ClinicalTrials.gov More Chronic Obstructive Pulmonary Disease (COPD) trials