NCT04248140

Brief Summary

Effects of Wifi exposure on sleep and sleep-related Memory consolidation are investigated in a double-blind, sham-controlled fully counterbalanced study design.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
30

participants targeted

Target at below P25 for not_applicable

Timeline
Completed

Started Sep 2019

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

September 1, 2019

Completed
5 months until next milestone

First Submitted

Initial submission to the registry

January 23, 2020

Completed
7 days until next milestone

First Posted

Study publicly available on registry

January 30, 2020

Completed
3 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 14, 2020

Completed
2 months until next milestone

Study Completion

Last participant's last visit for all outcomes

May 31, 2020

Completed
Last Updated

February 20, 2024

Status Verified

February 1, 2024

Enrollment Period

8 months

First QC Date

January 23, 2020

Last Update Submit

February 19, 2024

Conditions

Keywords

radio frequency electromagnetic fields, volunteers

Outcome Measures

Primary Outcomes (1)

  • sleep Efficiency index (total sleep time in % of time in bed)

    Summary variable describing objective sleep quality

    8 hours

Secondary Outcomes (2)

  • declarative memory

    8 hours

  • sleep EEG power

    8 hours

Study Arms (2)

WiFi - Sham

EXPERIMENTAL

first Intervention WiFi, second intervention sham

Other: radio frequency electromagnetic field

Sham - WiFi

EXPERIMENTAL

first intervention sham, second intervention WiFi

Other: radio frequency electromagnetic field

Interventions

Exposure system delivers emissions comparable to those from WiFi access point close to the bed or sham (nor exposure)

Sham - WiFiWiFi - Sham

Eligibility Criteria

Age20 Years - 30 Years
Sexfemale
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Only right-handed
  • non-smokers
  • Pittsburgh Sleep Quality Index (PSQI) score \< 5
  • no extreme morning/evening preference \[Morningness-Eveningness Questionnaire (MEQ) score ≥ 31 or ≤ 69
  • no indication of depression or somatic symptoms as assessed by a medical examination and validated questionnaires \[Patient Health Questionnaires (PHQ-9 and PHQ-15) scores ≤ 5 and ≤ 10, respectively

You may not qualify if:

  • history of a psychiatric disorder,
  • history of a neurological and/or sleep disorder
  • excessive daytime sleepiness \[Epworth Sleepiness Scale (ESS) score \> 9;
  • non-regular sleep-wake schedule as assessed by a sleep diary
  • a regular intake of medication that affects the central nervous system, excessive caffeine and/or alcohol consumption, regular and occasional drug use,
  • metal implants
  • periodic leg movement arousal index \> 10/h in the Adaptation night
  • apnoea-hypopnoea-index \> 5/h in the Adaptation night.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Charité - University Medicine Berlin

Berlin, 12203, Germany

Location

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
BASIC SCIENCE
Intervention Model
CROSSOVER
Model Details: Two exposures (WiFi and sham) are applied in a randomized double-blind counterbalanced cross-over study
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Head Competence Center of Sleep Medicine

Study Record Dates

First Submitted

January 23, 2020

First Posted

January 30, 2020

Study Start

September 1, 2019

Primary Completion

April 14, 2020

Study Completion

May 31, 2020

Last Updated

February 20, 2024

Record last verified: 2024-02

Data Sharing

IPD Sharing
Will not share

Locations