The multicenter observational study on one airway, one disease through bronchial asthma.

The multicenter observational study on one airway, one disease through bronchial asthma. - The multicenter observational study on one airway, one disease through bronchial asthma.

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000008869

Enrollment

500

Registered

2012-09-06

Start date

2012-09-06

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: >=18-year-old Documented agreement with full explanation of the study to the participant. Patients with asthma diagnosed by pulmonologist.

Exclusion criteria

Exclusion criteria: None

Design outcomes

Primary

Measure	Time frame
Frequency of rhinosinusitis and eosinophilic tympanitis diagnosised by an otolaryngologist in bronchial asthma patients.	—

Secondary

Measure	Time frame
Clinical features of rhinosinusitis and eosinophilic tympanitis diagnosised by an otolaryngologist in bronchial asthma patients. Interactions between upper and lower airway disease. Effects of treatments for rhinosinusitis (rhinosinusitis surgery) on asthma symptoms.	—

Countries

Japan

Contacts

Public ContactMasaharu Shinkai

Yokohama City University Medical Center Respiratory Disease Center

shinkai@yokohama-cu.ac.jp045-261-5656

Outcome results