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Physiological Adaptations to Simulated Intermittent Altitude on Human Health and Performance

Not Applicable
Completed
Conditions
Altitude Hypoxia
Interventions
Other: Simulated altitude
Other: Placebo simulated altitude
Registration Number
NCT03743610
Lead Sponsor
Mayo Clinic
Brief Summary

The investigators expect to find that different intensity and altitude exposure levels will show what kind of intermittent exposure protocol is more beneficial to athletes and healthy individuals that experience acute exposure to altitude during exercise. This may furthermore be related to acute altitude exposure for recreational exercise use as well.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
71
Inclusion Criteria

Not provided

Exclusion Criteria

Not provided

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
Effect of heart rate training in simulated altitudeSimulated altitudeParticipants will exercise in simulated altitude start at a minimum of 2,000ft and will increase to no greater than 16,400ft with each visit. The increase will be in accordance to maintaining \>65% max heart rate during room air based maximal peak work.
Effect of optimized training in simulated altitudeSimulated altitudeParticipants will perform the more beneficial intervention (heart rate or saturation of oxygen training) to evaluate whether it improves elite athlete's training status at altitude.
Effect of saturation of oxygen training in simulated altitudeSimulated altitudeParticipants will exercise in simulated altitude start at a minimum of 2,000ft and will increase to no greater than 16,400ft with each visit. The increase will be in accordance to maintaining 40-60% of max work rate during room air work rate and based upon saturation of oxygen of between 70-80%.
Effect of placebo training in non-simulated altitudePlacebo simulated altitudeParticipants will perform placebo beneficial intervention (heart rate or saturation of oxygen training) to evaluate whether the optimized protocol truely improves elite athlete's training status at altitude.
Primary Outcome Measures
NameTimeMethod
Change in hemoglobinBaseline, 2-week, 4-week, 6-week, and 8-week
Change in hematocritBaseline, 2-week, 4-week, 6-week, and 8-week
Change in erythropoietinBaseline, 2-week, 4-week, 6-week, and 8-week
Secondary Outcome Measures
NameTimeMethod
Change in peak VO2Baseline and 6- and 8-week

Change from maximal exercise test performed at sea level

Change in cycling performance at altitudeBaseline and 6- and 8-week

change in aerobic/anaerobic cycling performance at altitude

Trial Locations

Locations (1)

Mayo Clinic in Arizona

🇺🇸

Scottsdale, Arizona, United States

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