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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT02880150
Other study ID # 2013-A00629-36
Secondary ID ALTIPERF
Status Completed
Phase N/A
First received October 21, 2013
Last updated August 22, 2016
Start date May 2013
Est. completion date May 2014

Study information

Verified date August 2016
Source University Hospital, Grenoble
Contact n/a
Is FDA regulated No
Health authority France: Direction Générale de la Santé
Study type Interventional

Clinical Trial Summary

Climbing at high altitude and tolerating hypoxic environment require specific physiological adaptations. Large intersubjects differences exist regarding the ability to adapt to high altitude and hypoxia. The present study aims to characterise the physiological responses to hypoxia in a group of elite climbers by comparison to sea level athletes. We hypothesised that elite climbers would show better physiological responses to hypoxia and more preserved performances compared to sea level.


Recruitment information / eligibility

Status Completed
Enrollment 20
Est. completion date May 2014
Est. primary completion date March 2014
Accepts healthy volunteers Accepts Healthy Volunteers
Gender Both
Age group 18 Years to 40 Years
Eligibility Inclusion Criteria:

- Age between 18 and 40

- Member of the national high altitude climbing group

Exclusion Criteria:

- Any diseases incompatible with hypoxic exposure, exercise testing

- Pregnancy

Study Design

Allocation: Non-Randomized, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Health Services Research


Related Conditions & MeSH terms


Intervention

Other:
Stress test


Locations

Country Name City State
France Grenoble University Hospital Grenoble

Sponsors (2)

Lead Sponsor Collaborator
University Hospital, Grenoble Institut National de la Santé Et de la Recherche Médicale, France

Country where clinical trial is conducted

France, 

References & Publications (1)

Verges S, Rupp T, Jubeau M, Wuyam B, Esteve F, Levy P, Perrey S, Millet GY. Cerebral perturbations during exercise in hypoxia. Am J Physiol Regul Integr Comp Physiol. 2012 Apr 15;302(8):R903-16. doi: 10.1152/ajpregu.00555.2011. Epub 2012 Feb 8. Review. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Performance reduction in hypoxia versus normoxia Difference in maximal cycling power output between the normoxic and the hypoxic exercise test Day one on the evaluation day No
Secondary Near infrared signals during exercise Differences in cerebral and muscle TOI during exercise between the normoxia and the hypoxic exercise Day one on the evaluation day No
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