FindTrial
Sign In

The clinical usefulness of fractional exhaled nitric oxide (FeNO) as a marker of asthma control

The clinical usefulness of fractional exhaled nitric oxide (FeNO) as a marker of asthma control - Asthma control using fractional exhaled nitric oxide (FeNO)

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000010675
Enrollment
70
Registered
2013-06-11
Start date
2013-06-12
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

None listed

Interventions

None listed

Sponsors

Department of Pulmonary Medicine, Fukushima Medical University, School of Medicine
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Asthmatic patients at the outpatient clinic at Fukushima Medical University Hospital who have not yet been treated for asthma. In addition, healthy non-smoking volunteers

Exclusion criteria

Exclusion criteria: 1. Patients with respiratory diseases other than asthma. 2. Pregnant women or breast feeding women 3. Patients who are unable to give informed consent. 4. Inappropriate patients judged by respiratory physician.

Design outcomes

Primary

MeasureTime frame
To compare diurnal variations and week-to-week variations of FeNO levels in asthmatic subjects before and after asthma treatment—

Secondary

MeasureTime frame
To compare whether there are diurnal and week-to-week variations of FeNO levels in asthmatic subjects when they are devided into controlled and uncontrolled state.—

Countries

Japan

Contacts

Public ContactJunpei Saito

Doctor Department of Pulmonary Medicine

junpei@fmu.ac.jp08045151971

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026