Epidemiological survey by questionnaire to evaluate symptoms associated with peripheral airway dysfunction in adult asthma

Epidemiological survey by questionnaire to evaluate symptoms associated with peripheral airway dysfunction in adult asthma - Epidemiological survey by questionnaire to evaluate symptoms associated with peripheral airway dysfunction in adult asthma (HOPE Study)

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000007490

Enrollment

400

Registered

2012-03-13

Start date

2012-03-01

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

Bronchial asthma

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: -Patients diagnosed with bronchial asthma -Patients who provided a written consent prior to enrollment

Exclusion criteria

Exclusion criteria: -Patients who have lower respiratory tract disease except bronchial asthma and asthma complicated with COPD -Patients who have a history of lung surgery -Other patients deemed unsuitable by the investigator or subinvestigator

Design outcomes

Secondary

Measure	Time frame
Relationship between each measured index except IOS and answers of questionnaire and relationship of variation of these between 2 observations.	—

Primary

Measure	Time frame
Relationship between indices of peripheral airway condition monitored by IOS and answers of asthma questionnaire (comprised of ACQ, AHQ-Japan and some additional questions).	—

Countries

Japan

Contacts

Public ContactYoshinori Haruta

Hiroshima University Hospital Division of Pulmonary Disease

yharuta@hiroshima-u.ac.jp082-257-5196

Outcome results