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Quality control of exhaled nitric oxide detection in Chinese children Multi center research and establishment of standards

Quality control of exhaled nitric oxide detection in Chinese children Multi center research and establishment of standards

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500112711
Enrollment
Unknown
Registered
2025-11-18
Start date
2025-12-01
Completion date
Unknown
Last updated
2025-11-24

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Bronchial asthma

Interventions

Observational group:None

Sponsors

Shanghai children's Medical Center
Lead Sponsor

Eligibility

Sex/Gender
All
Age
5 Years to 17 Years

Inclusion criteria

Inclusion criteria: 1. Children aged 5–17 years with height and weight within normal ranges 2. Children with chronic cough, asthma in remission, or acute asthma exacerbation 3. Children born in China with both parents of Chinese nationality

Exclusion criteria

Exclusion criteria: Children who cannot cooperate

Design outcomes

Primary

MeasureTime frame
Fractional exhaled nitric oxide;—

Secondary

MeasureTime frame
Age;Gender;Disease status (chronic cough, asthma in remission, acute asthma exacerbation);—

Countries

China

Contacts

Public ContactZhang Hao

Shanghai children's Medical Center

zhang123hao@163.com+86 189 3083 0639

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026