Diagnosis of chronic cough on the basis of FeNO and response to the therapy

Diagnosis of chronic cough on the basis of FeNO and response to the therapy - Diagnosis of chronic cough on the basis of response to the therapy

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000013599

Enrollment

100

Registered

2014-04-01

Start date

2014-04-01

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

Patients with prolonged or chronic cough

Interventions

H1 blocker or ICS/LABA

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients whose cough comtinues more than 3 weeks

Exclusion criteria

Exclusion criteria: Patients with apparent productive cough Respiratory infection required abtibiotics Abnormal chest X-ray causing cough Patients who do not consent to the trial

Design outcomes

Primary

Measure	Time frame
Effect of H1 blocker or combination of ICS and LABA on cough as a primary therapy	—

Countries

Japan

Contacts

Public ContactTamotsu Ishizuka

Faculty of Medical Sciences, University of Fukui Third Department of Internal Medicine

tamotsui@u-fukui.ac.jp0776-61-8355

Outcome results

None listed

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