NCT04583397

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 in young healthy women.

Trial Health

33
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Trial recruitment is currently suspended
Enrollment
34

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started Feb 2020

Longer than P75 for not_applicable

Geographic Reach
1 country

1 active site

Status
suspended

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

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

February 1, 2020

Completed
8 months until next milestone

First Submitted

Initial submission to the registry

September 24, 2020

Completed
18 days until next milestone

First Posted

Study publicly available on registry

October 12, 2020

Completed
3.9 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 1, 2024

Completed
3 months until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2024

Completed
Last Updated

February 20, 2024

Status Verified

February 1, 2024

Enrollment Period

4.6 years

First QC Date

September 24, 2020

Last Update Submit

February 19, 2024

Conditions

Outcome Measures

Primary Outcomes (1)

  • Sleep Efficiency index

    (total Sleep time in % of time in bed)

    8 hours

Secondary Outcomes (2)

  • declarative memory

    8 hours

  • Sleep EEG power

    8 hours

Study Arms (2)

Experimental: WiFi - Sham

EXPERIMENTAL

first intervention WiFi, second intervention sham

Other: radio frequency electromagnetic fields

Experimental: Sham - WiFi

EXPERIMENTAL

first Intervention sham, second Intervention WiFi

Other: radio frequency electromagnetic fields

Interventions

Exposure system delivers emissions comparable to those from a WiFi access Point close to the bed or sham (no exposure)

Experimental: Sham - WiFiExperimental: WiFi - Sham

Eligibility Criteria

Age20 Years - 30 Years
Sexfemale(Gender-based eligibility)
Gender Eligibility Detailsonly women will be included, a corresponding study for men has already been completed
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
TRIPLE
Who Masked
PARTICIPANT, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
BASIC SCIENCE
Intervention Model
CROSSOVER
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Head of Competence Center for Sleep Medicine

Study Record Dates

First Submitted

September 24, 2020

First Posted

October 12, 2020

Study Start

February 1, 2020

Primary Completion

September 1, 2024

Study Completion

December 1, 2024

Last Updated

February 20, 2024

Record last verified: 2024-02

Data Sharing

IPD Sharing
Will not share

Locations