View clinical trials related to Altitude Sickness.
Filter by:Prospective interventional trial in lowlanders evaluating the effect of acute exposure, acclimatization and re-exposure to high altitude on cerebral autoregulation
The primary objective of the study is to investigate the effect of inhaled budesonide on the incidence of AMS. The primary study question to ask is: 1. Does inhaled budesonide reduce the incidence of AMS after rapid and active ascent to 4559 m? In addition, the secondary study questions to ask are: 1. Does inhaled budesonide reduce the severity of AMS after rapid and active ascent to 4559 m? 2. Are the effects of inhaled budesonide on AMS incidence and severity related to its plasma concentration? Study medication Inhaled budesonide at 2 different concentrations (2 x 200 µg, 2 x 800 µg) versus placebo Study design - Prospective, controlled, single-center study on 51 healthy volunteers at 4559 m [Capanna Regina Margherita (Margherita Hut), Italy] - With regard to the intervention (inhaled budesonide) double-blinded and randomized
This project will consist of two studies, each investigating resting and exercise cardio-respiratory responses during exposure to hypoxia in individuals born prematurely and individuals born at full term of two different age groups: Kids (10-14 yrs) and Adults (18-22 yrs).Additional study will be performed on a preterm adult cohort (15 participants) that will investigate potential differences between hypobaric and normobaric hypoxia as outlined in the following section.
Prospective interventional trial in lowlanders evaluating effect of acute exposure, acclimatization and re-exposure to high altitude.
The purpose of this proposal is to compare the physiological effects of acetazolamide (AZ) and methazolamide (MZ) on the control of breathing and hypoxic pulmonary vasoconstriction. The first objective is to assess the effects of AZ and MZ on the control of breathing in normoxia and hypoxia. To achieve this the ventilatory interaction between oxygen and carbon dioxide will be measured and effects compared between placebo, AZ, and MZ conditions. In addition, the isocapnic and poikilocapnic hypoxic ventilatory response and hypercapnic ventilatory response will be measured with each drug. The second objective is to assess the effects of AZ and MZ on the control of the pulmonary vasculature during hypoxia. Pulmonary pressure and cardiac output will be measured during 60 minutes of poikilocapnic hypoxia.
prospective controlled interventional trial evaluating the efficacy of a 3-weeks asthma rehabilitation program at high altitude (3200m) and low altitude (760m) on lung function and asthma control.
Prospective interventional trial in lowlanders evaluating the effect of acute exposure, acclimatization and re-exposure to high altitude on global cognitive function.
Prospective interventional trial in lowlanders evaluating the effect of acute exposure, acclimatization and re-exposure to high altitude on psychomotor vigilance to measure sustained attention.
This research will evaluate nutrition requirements for missions at high altitude (i.e. >7800 feet above sea level) and the information obtained can be used to optimize nutrient content specifications for combat rations. The objectives are: 1. Determine whether loss of lean body mass resulting from negative calorie balance over a 22-d period at high altitude can be prevented by increasing dietary protein intake. 2. Determine the efficacy of carbohydrate (glucose and fructose) supplementation on aerobic exercise performance at sea level, acute exposure to high altitude, and in response to 22-d period of negative calorie balance at high altitude. 3. Determine cognitive function, sleep patterns, and behavioral responses to high altitude and underfeeding. 4. Determine appetite and eating behavior in response to high altitude and sustained underfeeding. 5. Examine the effects of high altitude, negative calorie balance, dietary intake manipulations on gut health.
Prospective interventional trial in lowlanders evaluating the effect of acute exposure, acclimatization and re-exposure to high altitude on postural control