Geneva, Nov. 2 -- International Clinical Trials Registry received information related to the study (ChiCTR2600134878) titled 'Using routine lung function tests to identify "asthma-like" features: a retrospective study' on Oct. 21.

Study Type: Observational study

Study Design: Cross-sectional

Primary Sponsor: Songshan General Hospital

Condition: Chronic airflow limitation disorders (asthma, COPD, and asthma-COPD overlap)

Intervention: COPD-like parenchymal-damage phenotype:N/A

Recruitment Status: Not Recruiting

Phase: N/A

Date of First Enrollment: 2026-12-01

Target Sample Size: COPD-like parenchymal-damage phenotype:200;Asthma-like airway-dominant phenotype:100;

Countries of Recruitment: China

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