Development of breath test method for rapid screening of early patients with respiratory diseases

Breath test method for rapid screening of early patients with respiratory diseases

Status

Recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2100042137

Enrollment

Unknown

Registered

2021-01-14

Start date

2021-01-01

Completion date

Unknown

Last updated

2021-04-12

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

Conditions

respiratory diseases

Interventions

Respiratory disease group:Nil

healthy control group:Nil

Eligibility

Sex/Gender

All

Age

20 Years to 89 Years

Inclusion criteria

Inclusion criteria: 1.Aged 20 years and above; 2.Patients with non-communicable diseases.

Exclusion criteria

Exclusion criteria: 1.Those who are difficult to do FeNO test; 2.Subjects who eat 1 hour before the FeNO test; 3.The subjects who smoked or drank 1 hour before the FeNO test; 4.Subjects who exercise vigorously within 1 hour before the FeNO test; 5.Subjects who have undergone other lung function tests within 1 hour before the FeNO test.

Design outcomes

Primary

Measure	Time frame
Fractional exhaled nitric oxide;	—

Countries

China

Contacts

Public ContactWei-Qiao Deng

Shandong University

dengwq@sdu.edu.cn+86 13478585430

Outcome results

None listed

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