MEDEX Hidden Valley 2008
Not Applicable
Completed
- Conditions
- Hypoxia
- Interventions
- Dietary Supplement: AspartameDietary Supplement: Carbohydrate energy drink
- Registration Number
- NCT00731510
- Lead Sponsor
- Medical Expeditions Ltd
- Brief Summary
During a multi-week expedition to the Himalaya, we aim to investigate i) whether dietary supplementation with carbohydrate drinks and gels can improve physical performance; and ii) the underlying mechanisms for any observed changes in performance.
We hypothesise that i) carbohydrate supplementation will improve physical performance; and ii) the underlying mechanism of this improvement in performance will include maintenance of body glycogen (sugar) stores, prevention of dehydration and decrease in the incidence of acute mountain sickness.
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- COMPLETED
- Sex
- All
- Target Recruitment
- 44
Inclusion Criteria
- a healthy enthusiasm for the outdoors and/or a passion for research in remote and difficult circumstances
Exclusion Criteria
- Persons with Phenylketonuria
Study & Design
- Study Type
- INTERVENTIONAL
- Study Design
- FACTORIAL
- Arm && Interventions
Group Intervention Description 2 Aspartame Primarily Aspartame plus natural flavourings. Powder dissolved in water to provide non-distinguishable placebo drink. 1 Carbohydrate energy drink Carbohydrate supplements (drinks and gels)
- Primary Outcome Measures
Name Time Method Performance (time to complete a physical performance task) Mid study
- Secondary Outcome Measures
Name Time Method Body glucose stores Pre, mid and post study Hydration status Pre, mid and post study Acute mountain sickness Every day Body composition Pre, mid and post study Rating of perceived exertion during a stepping task Pre, mid and post study Oxygen delivery Pre, mid and post study Spontaneous physical activity level Pre, mid and post study
Trial Locations
- Locations (1)
Medical Expeditions Ltd
🇬🇧Pinfold, Hyssington, Montgomery, Powys, United Kingdom