Geneva, July 7 -- International Clinical Trials Registry received information related to the study (ChiCTR2600127219) titled 'National Multicenter Study of Bronchodilator Test in Children and Establishment of Its Standard' on June 26.

Study Type: Observational study

Study Design: Case-Control study

Primary Sponsor: Shanghai Children's Medical Center Affiliated to Shanghai Jiao Tong University School of Medicine

Condition: Bronchial asthma

Intervention: Case group:None

Recruitment Status: Not Recruiting

Phase: N/A

Date of First Enrollment: 2026-06-26

Target Sample Size: Case group:2800;Control group:2800;

Countries of Recruitment: China

To know more, visit https://www.chictr.org.cn/showproj.html?proj=296502

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