Effect of voluntary hyperventilation on exercise tolerance and breathlessness in patients with stable chronic obstructive pulmonary disease.

Effect of voluntary hyperventilation on exercise tolerance and breathlessness in patients with stable chronic obstructive pulmonary disease. - Effect of voluntary hyperventilation on exercise tolerance in patients with COPD

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000002647

Enrollment

Registered

2009-11-01

Start date

2009-12-11

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

patients with stable chronic obstructive pulmonary disease

Interventions

Control trials are performed during uphill walking for 15% garades with spontaneous ventilation. Interventions are performed during uphill walking for 15% garades with voluntary hyperventilation.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Subjects are stable COPD patients with GOLD stage2-4 who have heavy breathlessness which could be a main factor of activity limitation.

Exclusion criteria

Exclusion criteria: If physician in charge of the patient judge this exermination too much harmful for him or her with a prior diagnosis of other disease or dysfunction (i.e., pulmonary hypertension, chronic heart failure, neuromuscular disorder, severe osteoarthritis), we forbid him or her to participate in this exermination.

Design outcomes

Primary

Measure	Time frame
exercise endurance time	—

Secondary

Measure	Time frame
SpO2 TcPCO2 PETCO2	—

Countries

Japan

Contacts

Public ContactYohei Oshima

Kyoto university hospital Division of rehabilitation

yoshima@kuhp.kyoto-u.ac.jp075-751-3571

Outcome results

None listed

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