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Effect of Acetazolamide on Acute Mountain Sickness in Lowlanders Older Than 40 Years

Acute Mountain Sickness Clinical Trial

Official title:
Acetazolamide for Prevention of Acute Mountain Sickness in Healthy Lowlanders Older Than 40 Years. Randomized Trial.

Clinical Trial Summary

Randomized, placebo controlled trial evaluating efficacy of acetazolamide in preventing acute mountain sickness in lowlanders older than 40 years travelling from 760 m to 3'100 m.

Clinical Trial Description

This is a randomized, placebo-controlled, double-blind parallel trial evaluating the efficacy of acetazolamide prophylaxis in reducing the incidence of acute mountain sickness (AMS) in lowlanders older than 40 years 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 (3'100 m), and stay there for 2 days. Acetazolamide 375mg/day (or placebo), will be administered before departure at 760 m and during the stay at altitude. Outcomes will be assessed during the stay at 3'100 m. An interim analysis will be carried out when 80 participants will have completed the study or after the first year. The Peto's method will be used and the trial will be stopped when pre-specified futility boundaries were crossed. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT03561675
Study type Interventional
Source University of Zurich
Contact
Status Completed
Phase Phase 4
Start date May 15, 2018
Completion date August 31, 2019
View Details
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