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Clinical Trial Summary

Transcranial electrical stimulation (TES) utilizing weak electrical fields (<5 milliamps of current - as proposed in the present pilot study) is an extremely safe therapeutic technique in use for over 40 years. During that time, TES has never been associated with a serious adverse event in a research setting nor a serious reported adverse event in a clinical setting. The main side effect associated with TES is irritation of the skin beneath the electrodes (as is commonly found from similar preparations used for polysomnography). The purpose of this pilot study is to identify the type of electrode preparation that maximizes subject comfort during transdermal/transcranial electrical stimulation (TES) using the NeuroConn DC Plus Stimulator.


Clinical Trial Description

In this study, volunteers will be divided into groups based on the nature of the stimulation waveform utilized (DC 0.75 Hz, modified AC 0.75 Hz, AC sinusoidal 3.0 Hz or pulsed stimulation of up to 500 ms duration). These waveforms were chosen based on the physiology of slow-wave sleep (SWS). Ultimately, the goal is to use TES during sleep to enhance the slow-wave activity (SWA) of sleep. Slow-wave sleep is characterized by two main frequency bands with differing underlying physiologies: (1) slow oscillation activity with a peak of 0.75 Hz, and (2) delta activity with a peak of approximately 3.0 Hz. Therefore, in future studies, the plan is to stimulate at one or both of these frequencies. The endogenous slow activity of the brain consists of electrical fields of "alternating current" with periods of relative cellular depolarization and periods of relative cellular hyperpolarization. The goal is to enhance this endogenous behavior with transcranial electrical stimulation at the two major slow- wave frequencies (0.75 Hz, 3.0 Hz), or using a pulsed stimulation paradigm to induce slow wave activity. ;


Study Design


Related Conditions & MeSH terms

  • Performance Enhancing Product Use
  • Sleep

NCT number NCT04474015
Study type Interventional
Source Walter Reed Army Institute of Research (WRAIR)
Contact
Status Enrolling by invitation
Phase N/A
Start date May 24, 2014
Completion date February 12, 2026

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