Evaluation of the effect of bronchodilator on COPD patients by physiological cost index

Evaluation of the effect of bronchodilator on COPD patients by physiological cost index - Effect of bronchodilator on COPD patients.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000003792

Enrollment

Registered

2010-06-25

Start date

2010-06-01

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

COPD

Interventions

Patients inhale bronchodilator 15 minutes before 6-minute walk test. Patients do not inhale bronchodilator before 6-minute walk test.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: COPD patients who can get outpatient treatment at Gunma University Hospital.

Exclusion criteria

Exclusion criteria: 1. The patients who used inhaled bronchodilator within 24 hours. 2. The patients who have arrhythmia like atrial fibrillation. 3. The patients who have a history of ischemic heart disease. 4. The patients who have cardiac failure. 5. The patients who cannot do 6-minute walk test. 6. The patients whom a doctor decided inappropriate to join the study.

Design outcomes

Primary

Measure	Time frame
physiological cost index	—

Secondary

Measure	Time frame
Six-minite walk test Lung function	—

Countries

Japan

Contacts

Public ContactKunio Dobashi

Gunma University Faculty of Medicine, School of Health Sciences

dobashi@health.gunma-u.ac.jp027-220-8944

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026