Hypoxia, Appetite, and Energy Intake in Young Female Adults
NCT ID: NCT06912230
Last Updated: 2025-04-04
Study Results
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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RECRUITING
NA
10 participants
INTERVENTIONAL
2024-11-13
2025-12-31
Brief Summary
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* Does six hours of simulated high-altitude (5000 meters) reduce scores of subjective appetite and energy intake?
* Do changes in appetite and energy intake persist in the hours following the end of hypoxic exposure? Researchers will compare the effects of simulated high-altitude to a control normoxia (sea-level) condition to see if exposure to low oxygen levels independently affect appetite and energy intake.
Participants will:
* Visit the laboratory for a preliminary screening session to assess eligibility.
* Undergo two randomized, single-blind, experimental sessions consisting of six hours of passive exposure to normoxia or hypoxia in a climate-controlled chamber.
* Consume foods provided from a curated list, served in ad libitum quantities, after leaving the laboratory to assess post-exposure energy intake.
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Detailed Description
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Conditions
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Study Design
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RANDOMIZED
CROSSOVER
TREATMENT
SINGLE
Study Groups
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Normoxia
Normoxia
Participants will undergo a 6-hour passive exposure to normoxia in a climate-controlled environmental chamber maintained at 22°C with 30% relative humidity. They will remain in a fasted state throughout the exposure period.
Hypoxia (simulated altitude of 5000 meters above sea-level)
Hypoxia (simulated altitude of 5000 meters above sea-level)
Participants will undergo a 6-hour passive exposure to a simulated altitude of 5000 meters above sea-level in a climate-controlled environmental chamber maintained at 22°C with 30% relative humidity. They will remain in a fasted state throughout the exposure period.
Interventions
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Normoxia
Participants will undergo a 6-hour passive exposure to normoxia in a climate-controlled environmental chamber maintained at 22°C with 30% relative humidity. They will remain in a fasted state throughout the exposure period.
Hypoxia (simulated altitude of 5000 meters above sea-level)
Participants will undergo a 6-hour passive exposure to a simulated altitude of 5000 meters above sea-level in a climate-controlled environmental chamber maintained at 22°C with 30% relative humidity. They will remain in a fasted state throughout the exposure period.
Eligibility Criteria
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Inclusion Criteria
* Ability to provide informed consent
Exclusion Criteria
* Current use of hypolipemic medication
* Current use of hormonal contraceptives
* Current use of antidepressants
* Current use of anticoagulants
* Ongoing smoking status
* Experiencing pregnancy, puerperium, or irregular menstrual cycles
18 Years
30 Years
FEMALE
Yes
Sponsors
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Natural Sciences and Engineering Research Council, Canada
OTHER
Hopital Montfort
OTHER
Institut du Savoir Montfort
UNKNOWN
University of Ottawa
OTHER
Responsible Party
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Locations
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Behavioural and Metabolic Research Unit, School of Human Kinetics, Faculty of Health Sciences, University of Ottawa
Ottawa, Ontario, Canada
Countries
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Central Contacts
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Facility Contacts
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Other Identifiers
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H-06-18-837
Identifier Type: -
Identifier Source: org_study_id
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