Prospective study for efficacy of inhaled corticosteroid therapy with the use of fractional exhaled nitric oxide measurement in persistent and chronic cough.

Prospective study for efficacy of inhaled corticosteroid therapy with the use of fractional exhaled nitric oxide measurement in persistent and chronic cough. - Prospective study for efficacy of fractional exhaled nitric oxide measurement in persistent and chronic cough.

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000033673

Enrollment

Registered

2018-08-13

Start date

2018-08-13

Completion date

Unknown

Last updated

2026-09-14

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

Conditions

persistent and chronic cough

Interventions

Simbicort turbuhaler Dextromethorphan Hydrobromide Hydrate Dextromethorphan Hydrobromide Hydrate

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients who have a persistant cough more than 3 weeks. Patients who consent the entry this trial and agree in writing.

Exclusion criteria

Exclusion criteria: Patients who have a active infectious cough. Patients who use inhaled corticosteroids. Patients who are drug hypersensitivity constitution. Pregnant women and breast-feeding women.

Design outcomes

Primary

Measure	Time frame
Changes of the Leicester Cough Questionnaire score after treatment.	—

Countries

Japan

Contacts

Public ContactToshiharu Tsutsui

Yamanashi Prefectural Central Hospital Respiratory medicine

tsutsui-bfnh@ych.pref.yamanashi.jp055-253-7111

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Sep 19, 2026