U.S., March 4 -- ClinicalTrials.gov registry received information related to the study (NCT07447232) titled 'Comparing Ultrasonic and Conventional Spirometry in Chronic Respiratory Disease' on Nov. 21, 2025.

Brief 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.

Study Start Date: March 02

Study Type: INTERVENTIONAL

Condition: Chronic Obstructive Pulmonary Disease (COPD) Spirometry

Intervention: DIAGNOSTIC_TEST: Spirometer

The handhel...