Observational cohort study in patients with severe asthma based on clinical phenotypes - Hokkaido-based Investigative Cohort Analysis for Refractory Asthma (Hi-CARAT)

Division of Respiratory Medicine, Department of Internal Medicine, Hokkaido University Graduate School of Medicine0 sites300 target enrollmentFebruary 25, 2010

ConditionsBronchial asthma

Overview

Phase: 未知
Intervention: Not specified
Conditions: Bronchial asthma
Sponsor: Division of Respiratory Medicine, Department of Internal Medicine, Hokkaido University Graduate School of Medicine
Enrollment: 300
Status: Completed
Last Updated: 2 years ago

Overview Investigators Eligibility Criteria Outcomes Similar Trials

Overview

Brief Summary

No summary available.

Registry

who.int

Start Date

February 25, 2010

End Date

October 31, 2018

Last Updated

2 years ago

Study Type

Observational

Sex

All

Investigators

Sponsor

Division of Respiratory Medicine, Department of Internal Medicine, Hokkaido University Graduate School of Medicine

Eligibility Criteria

Inclusion Criteria

Not provided

Exclusion Criteria

•1\. Patients with any kind of active respiratory infections, including tuberculosis 2\. Patients with thoracic deformity which would influence pulmonary function tests 3\. Patients with any kind of malignant diseases in whom 3 years' follow\-up would not be possible 4\. Patients with history of lung resection 5\. Patients with any kind of serious pulmonary diseases, including cystic fibrosis, hypersensitivity pneumonitis, pulmonary fibrosis and others 6\. Patients who have difficulty in performing pulmonary function tests due to dementia and others 7\. Patients with serious heart diseases 8\. Patients who are judged to be inappropriate subjects for any reasons by principal investigators