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A clinical trial comparing nitric oxide values measured by two exhaled nitric oxide analysers in patient

Clinical Trial Scheme of Fractional Exhaled Nitric Oxide Detector

Status
Active, not recruiting
Phases
Early Phase 1
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR1900025169
Enrollment
Unknown
Registered
2019-08-15
Start date
2019-10-10
Completion date
Unknown
Last updated
2019-08-27

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

Conditions

Bronchial asthma

Interventions

Sponsors

Department of Respiratory, Guangzhou Women's and Children's Medical Center
Lead Sponsor

Eligibility

Sex/Gender
All
Age
4 Years to 70 Years

Inclusion criteria

Inclusion criteria: 1. Patients who clinicians believe need to be tested for FeNO; 2. Subjects must sign an informed consent indicating that they understand the purpose of the study and the necessary procedures for the study, and volunteer to participate in the study.

Exclusion criteria

Exclusion criteria: (1) People with unconsciousness or cognitive impairment; (2) severe oral deformity or facial paralysis; (3) Patients with severe oral infections; (4) Patients with mechanical ventilation; (5) Patients with pneumothorax or massive pleural effusion; (6) Other patients who can not cooperate with the examination correctly; (7) For safety reasons or patients'interests, clinicians believe that patients should not participate in any of the circumstances of this study.

Design outcomes

Primary

MeasureTime frame
Fractional Exhaled Nitric Oxide;

Countries

China

Contacts

Public ContactYin Genquan

Department of Respiratory Medicine, Guangzhou Women and Children Medical Center

yingenquan@126.com+86 18902268359

Outcome results

None listed

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