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Effect of Acetazolamide on Right Ventricular Function During Exercise in Patients With Respiratory Disease at Altitude

Chronic Obstructive Pulmonary Disease Clinical Trial

Official title:
Effect of Acetazolamide on Right Ventricular Function During Exercise in Patients With Chronic Obstructive Pulmonary Disease at Altitude. A Randomized, Placebo-controlled, Double-blind Parallel Trial.

Clinical Trial Summary

This trial will evaluate the effect of acetazolamide (375 mg per day) vs. placebo on right ventricular function during exercise at acute altitude exposure in patients with COPD.

Clinical Trial Description

This is a randomized, placebo-controlled, double-blind parallel trial evaluating the effect of acetazolamide (375 mg per day) vs. placebo on right ventricular function during exercise in lowlanders with chronic obstructive pulmonary disease travelling to altitude. Participants living in the Bishkek area, Kyrgyzstan (760m), will be transferred by car within 4h to the Tuja Ashu high altitude clinic (3200 m), and stay there for 2 days. Acetazolamide 375mg/day (or placebo) will be administered 24 hours before departure at 760 m and during the stay at altitude. Outcomes will be assessed during the stay at 3200 m.

Right ventricular function will be assessed during graded cycling on an ergometer by transthoracic echocardiography. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT03167034
Study type Interventional
Source University of Zurich
Contact
Status Completed
Phase Phase 4
Start date May 24, 2017
Completion date August 2, 2018
View Details
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