Sleep, Breathing and Psychomotor Performance at Altitude: A Physiologic Study in Healthy Subjects

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

51 participants

Study Classification

INTERVENTIONAL

Study Start Date

2010-05-31

Study Completion Date

2010-10-31

Brief Summary

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This study investigates the effect of altitude exposure on sleep, breathing and psychomotor performance in healthy subjects.

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Detailed Description

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Sleep is essential for well being and performance. Sleep disturbances by recurrent apnea and hypoxia in patients with obstructive sleep apnea syndrome impair quality of life, cognitive and cardiovascular functions. Similar consequences occur in healthy subjects exposed to hypoxia at altitude due to periodic breathing with recurrent central apnea. This project will investigate effects of altitude on sleep, breathing, psychomotor performance and on the cardiovascular system in healthy subjects and patients with sleep apnea. The results will help to better understand mechanisms of sleep disturbances and psychomotor impairment induced by hypoxia and to prevent adverse effects of altitude exposure.

Conditions

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Healthy Men

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

Blinding Strategy

SINGLE

Outcome Assessors

Interventions

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altitude exposure

exposure to 490m, 1700m and 2590m

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* healthy men
* residence at \<800m

Exclusion Criteria

* any active disease requiring treatment
* requirement for regular use of medication
* smoking, regular intake of alcohol or drugs
* body mass index \<18 or \>30 kg/m2
* previous intolerance of moderate altitude (\<3000m)

Minimum Eligible Age

18 Years

Maximum Eligible Age

70 Years

Eligible Sex

MALE

Accepts Healthy Volunteers

Yes