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Effects of fructose on exercise and cognitive performance impairment during hypoxia exposure (Fructoxia)

Effects of fructose on exercise and cognitive performance impairment during hypoxia exposure (Fructoxia) - Fructoxia

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
DRKS
Registry ID
DRKS00028644
Enrollment
20
Registered
2022-05-30
Start date
2022-06-26
Completion date
Unknown
Last updated
2025-04-07

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Healthy

Interventions

Group 1: No strenuous activities are to be performed on study day 1,2,3 and a food diary is to be kept 3 days prior to the study day (visit on day 4, 5 and 6). In addition, subjects are asked to wear

Sponsors

DLR Institut für Luft- und Raumfahrtmedizin
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 45 Years

Inclusion criteria

Inclusion criteria: - Age 18 - 45 - Healthy - Written informed consent - Recreationally active (Biking >2h or running >1h per week)

Exclusion criteria

Exclusion criteria: - Unable to understand and speak the German language - History of fructose malabsorption or intolerance - History of migraine - Acute or chronic diseases - History of liver or renal diseases - History of diabetes mellitus - Fasting blood glucose =100 mg/dl or random blood glucose =200 mg/dl - BMI 4 cups of coffee/black tea per day) - Smokers - Pregnancy (early pregnancy test before each study day) - Menopause - Intensive activity within 1 week before the test day - Disease with longer bed rest within 6 weeks before the test day - Hemophobia

Design outcomes

Primary

MeasureTime frame
The aim of the planned study is to determine by means of questionnaires and cognitive performance tests as well as blood gas analysis and pulse oximetry whether oral intake of fructose compared to glucose and placebo results in less impairment of submaximal exercise performance and cognitive exercise performance and cognitive performance during hypoxia exposure.

Countries

Germany

Contacts

Public ContactJan Schmitz

DLR – Institut für Luft- und Raumfahrtmedizin

jan.schmitz@dlr.de02203 601 1262

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 4, 2026