Geneva, Sept. 25 -- International Clinical Trials Registry received information related to the study (ChiCTR2600132890) titled 'Screening of Exhaled Breath Biomarker Signatures in COPD and Investigation of Their Biological Mechanisms' on Sept. 20.

Study Type: Diagnostic test

Study Design: Diagnostic test for accuracy

Primary Sponsor: The First Affiliated Hospital of Guangzhou Medical University

Condition: Chronic Obstructive Pulmonary Disease

Intervention: Gold Standard:A diagnosis is confirmed if FEV1/FVC is less than 0.7 after using a bronchodilator.

Recruitment Status: Not Recruiting

Phase: N/A

Date of First Enrollment: 2026-09-20

Target Sample Size: Target condition:1000;Difficult condition:0

Countries of Recruitment:...