The Epidemiology survey about the asthma to be complicated with chronic obstructive pulmonary disease (COPD) patients

The Epidemiology survey about the asthma to be complicated with chronic obstructive pulmonary disease (COPD) patients - The Epidemiology survey about the asthma to be complicated with chronic obstructive pulmonary disease (COPD) patients

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000012876

Enrollment

160

Registered

2014-01-16

Start date

2014-01-16

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

chronic obstructive pulmonary disease(COPD)

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1)COPD-diagnosed patients in a stable state undergoing treatment for more than 3 months 2)Patients to whom spirometry and airway hyperresponsiveness test can be administered 3)Those who agree to participate by their free will with written consent after understanding the content of the survey

Exclusion criteria

Exclusion criteria: 1)Occasional bloody sputum 2)History of pneumothorax 3)History of heart attack (arrhythmia, anginal pain, etc.) 4)Nausea 5)Occasional cyanosis and severe dyspnea 6)Currently in acute advanced stage of respiratory symptoms 7)History of aneurysm (in the lung, brain, etc.) 8)History of eye surgery (for cataract) within 1 year 9)History of thoracic or gastric surgery within 1 year 10)Presence of tuberculosis (currently active) or obvious sequelae of tuberculosis 11)History of lung cancer 12)History of lung resection 13)History of cystic fibrosis or other pulmonary fibrosis 14)Difficulty in the administration of spirometry 15)Impossibility to perform the airway hyperresponsiveness test due to any of the following reasons: - FEV1 <1,500 mL or FEV1 <60% PV - Patients with anginal pain or cerebral apoplexy within 3 months - Patients with uncontrollable hypertension (systolic >200 mm Hg, diastolic >100 mm Hg) - Patients with aortic aneurysm - Patients with pregnancy - Patients with difficulty to perform spirometry procedure - Patients under the medication of an AChE inhibitor (severe myasthenia) 16)Patients whom the attending doctor decides not suitable for the entry of the study.

Design outcomes

Primary

Measure	Time frame
Complications of asthma based on the presence of allergic rhinitis among COPD patients under treatment	—

Secondary

Measure	Time frame
Relationship between sex, age, and severity of COPD	—

Countries

Japan

Contacts

Public ContactTakashi Iwanaga

Kinki University Hospital, Faculty of Medicine Department of Respiratory Medicine and Allergology

iwanaga@med.kindai.ac.jp072-366-0221

Outcome results