Influence of intranasal supplementation of intermediate products of carbohydrate metabolism on cerebral energy levels

Influence of intranasal supplementation of intermediate products of carbohydrate metabolism on cerebral energy levels - GLINA

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

DRKS

Registry ID

DRKS00015029

Enrollment

Registered

2019-10-23

Start date

2020-01-29

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 subjects

Interventions

Group 1: glucose intranasal - baseline measurements of cerebral high-energy phosphates by 31P-magnetic resonance spectroscopy - intranasal administration of glucose - 30-minute measurement of cerebral

Eligibility

Sex/Gender

Male

Age

18 Years to 35 Years

Inclusion criteria

Inclusion criteria: healthy young men 18 - 35 years normal weight (BMI 20-25 kg/m²)

Exclusion criteria

Exclusion criteria: irregular sleep-wake cycle; acute or chronic internal, neurologic or psychiatric diseases; current medication of any kind; alcohol or drug abuse; smoking; shift work; extraordinary mental or physical strain; competitive athletes; diabetes mellitus type 2 in first-degree family members

Design outcomes

Primary

Measure	Time frame
cerebral high-energy phosphates are measured by 31P-magnetic resonance spectroscopy	—

Secondary

Measure	Time frame
blood glucose concentrations are measured in regular intervals	—

Countries

Germany

Contacts

Public ContactKai Duysen

Sektion für PsychoneurobiologieCenter of Brain, Behavior and MetabolismUniversität zu Lübeck

kai.duysen@uni-luebeck.de045131017532

Outcome results

None listed

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