Overview

Patients With Chronic Obstructive Pulmonary Disease at Altitude - Effect of Nocturnal Oxygen on Breathing and Sleep

Status:
Completed
Trial end date:
2014-10-31
Target enrollment:
0
Participant gender:
All
Summary
The purpose of this study is to investigate the effect of nocturnal oxygen therapy during a stay at moderate altitude on breathing and sleep of patients with chronic obstructive lung disease.
Phase:
Phase 4
Accepts Healthy Volunteers?
No
Details
Lead Sponsor:
University of Zurich
Criteria
Inclusion Criteria:

- chronic obstructive pulmonary disease (COPD), GOLD grade 2-3

- residents at low altitude (<800 m)

Exclusion Criteria:

- unstable condition, COPD exacerbation

- mild (GOLD 1) or very severe COPD (GOLD 4)

- requirement for oxygen therapy at low altitude residence

- hypoventilation

- pulmonary hypertension

- more than mild or unstable cardiovascular disease

- use of drugs that affect respiratory center drive

- internal, neurologic or psychiatric disease that interfere with protocol compliance
including current heavy smoking (>20 cigarettes per day), inability to perform 6 min
walk test.

- previous intolerance to moderate altitude (<2600m).

- exposure to altitudes >1500m for >2 days within the last 4 weeks before the study.

- pregnant or nursing patients