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A diagnostic test for comparison of two different analyzers detect fractional exhaled nitric oxide values in asthma patients

A diagnostic test for comparison of two different analyzers detect fractional exhaled nitric oxide values in asthma patients

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR1800020303
Enrollment
Unknown
Registered
2018-12-22
Start date
2018-12-24
Completion date
Unknown
Last updated
2019-01-14

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

Conditions

asthma

Interventions

Gold Standard:Sunvou-CA2122-Analyzer-test
Index test:NIOX-VERO-Analyzer-test

Sponsors

West China Hospital, Sichuan University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: patients diagnosed with asthma in the West China Hospital of Sichuan University (specific standards refers to GINA2018); age >18 years old; patients agreement with the clinical trials and with signed informed consent.

Exclusion criteria

Exclusion criteria: cannot complete FeNO measurements by both analyzers; cannot complete asthma diagnosis related examinations or noncooperation due to other reasons.

Design outcomes

Primary

MeasureTime frame
Asthma control test;fractional exhaled nitric oxide (FeNO);lung function;induced sputum examination;—

Contacts

Public ContactChuntao Liu

West China Hospital, Sichuan University

taosen666@vip.163.com+86 18980601802

Outcome results

None listed

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