Electromagnetic Field Effects of Mobile Communication (LTE) on Sleep in the Context of Genetic Variation

Not Applicable

Completed

• Conditions: Sleep
• Interventions: Other: sham field; Other: LTE field

• Registration Number: NCT03074617
• Lead Sponsor: University of Zurich

Brief Summary

The effect of electromagnetic fields of the latest standard in mobile communication (long term evolution, LTE) on sleep is studied in healthy, young individuals.

Detailed Description

Not available

Study Timeline

• Study Start: 2017-01-31
• Study First Submitted: 2017-02-23
• Study First Submitted QC: 2017-03-03
• Study First Posted: 2017-03-09
• Primary Completion: 2022-09-30
• Study Completion: 2022-09-30
• Status Verified: 2023-01
• Last Update Submitted: 2023-01-27
• Last Update Posted: 2023-01-30

Recruitment & Eligibility

• Status: COMPLETED
• Sex: Male
• Target Recruitment: 34

Inclusion Criteria

• Age 18-30 years
• German knowledge (reading and writing)
• Right-handedness
• Body mass index (BMI) 18.5-25.0 kg/m2
• Mobile communication (phone calls) less than 2 hours per week
• Moderate alcohol consumption (less than 5 alcoholic beverages per week)
• Moderate caffeine consumption (less than 5 caffeinated foods per day, e.g. coke, coffee, energy drinks, green or black tea, chocolate)
• Informed consent

Exclusion Criteria

• Travels across more than 2 time zones in the last 30 days or during the study
• Nocturnal shift work
• Extreme chronotype or extreme sleep duration (less than 5 hours or more than 10 hours on average)
• Sleep disorders or problems
• Severe acute or chronic neurological, mental or general health disorders, which might impair the participant's safety or affect the study's outcome
• Use of medication (regular or during the study), which might affect the study's outcome
• Recreational drug use
• Smoking (or other tobacco products)
• Severe skin allergies
• Relevant findings in physical examination or during the screening night (e.g. sleep disorders)
• Participation in an other clinical trial in the last 30 days or during the study

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: CROSSOVER

Arm && Interventions

Group	Intervention	Description
sham field	sham field	-
LTE field	LTE field	-

Primary Outcome Measures

Name	Time	Method
electroencephalographic power during sleep after LTE exposure	up to 9 hours (approximately 11 p.m. to 8 a.m.)	electroencephalogram (EEG)

Trial Locations

Locations (1)

University of Zurich, Institute of Pharmacology and Toxicology; 🇨🇭 Zurich, Switzerland