Neuromodulation With Low Frequency-Pulsed Electromagnetic Fields

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

EARLY_PHASE1

Total Enrollment

10 participants

Study Classification

INTERVENTIONAL

Study Start Date

2016-03-10

Study Completion Date

2016-07-10

Brief Summary

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Non-depolarizing magnetic fields, like Low Frequency-Pulsed Electromagnetic Fields (LF-PEMFs) have shown the ability to modulate living structures, principally by influencing synaptic activity and ion channels on cellular membranes. Recently, the CTU Mega 20 device was presented as a molecular accelerator, using energy up to 200 Joules and providing high-power (2 Tesla) pulsating fields with a water-repulsive (diamagnetic) action and tissue biostimulation. The investigators tested the hypothesis that LF-PEMFs could modulate long-term corticospinal excitability in healthy brains by applying CTU Mega 20®. Ten healthy subjects without known neurological and/or psychiatric diseases entered the study. A randomized double-blind sham-controlled crossover design was employed, recording TMS parameters (amplitude variation of the motor evoked potential as index of cortical excitability perturbations of the motor system) before (pre) and after (post +0, +15, +30 min) a single CTU Mega 20 session on the corresponding primary right-hand motor area, using a real (magnetic field = 2 Tesla; intensity = 90 J; impulse frequency = 7Hz; duration = 15 minutes) or sham device. A two-way repeated measures ANOVA with TIME (pre, post +0, +15, +30 min) and TREATMENT (real vs sham stimulation) as within-subjects factor was applied.

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Detailed Description

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Conditions

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Electromagnetic Fields Neuronal Plasticity Transcranial Magnetic Stimulation

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

Primary Study Purpose

BASIC_SCIENCE

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

The subjects and operators who performed TMS were blinded to the type of stimulation applied, we then employed a randomized double-blind sham-controlled crossover design.

Study Groups

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CTU Mega 20 real device

A single-session of real CTU Mega 20 on the corresponding primary right-hand motor area, using the real (magnetic field = 2 Tesla; intensity = 90 J; frequency of impulses = 7Hz; duration = 15 minutes) CTU Mega 20 device. This real stimulation provided a Low Frequency-Pulsed Electromagnetic Fields (LF-PEMFs).

Group Type EXPERIMENTAL

CTU Mega 20 real device

Intervention Type DEVICE

The CTU Mega 20 diamagnetic acceleration system discharges high-field magnetic impulses (with a duration of 5 ms and a period of 1000 ms), generating a magnetic field up to 2 Tesla, with a frequency of 7500 Hz in a volume of approximately 27 cm3.

CTU Mega 20 sham device

A single-session of sham CTU Mega 20 on the corresponding primary right-hand motor area (magnetic field = 0 Tesla; intensity = 0 J; frequency of impulses = 7Hz; duration = 15 minutes). The sham stimulation did not provide a Low Frequency-Pulsed Electromagnetic Fields (LF-PEMFs).

Group Type SHAM_COMPARATOR

CTU Mega 20 sham device

Intervention Type DEVICE

A CTU Mega 20 sham device (with an identical appearance to that of the real device) to avoid treatment identification by the patient or experimenter was used. Of course, the application of this sham device did not provide any magnetic field.

Interventions

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CTU Mega 20 real device

The CTU Mega 20 diamagnetic acceleration system discharges high-field magnetic impulses (with a duration of 5 ms and a period of 1000 ms), generating a magnetic field up to 2 Tesla, with a frequency of 7500 Hz in a volume of approximately 27 cm3.

Intervention Type DEVICE

CTU Mega 20 sham device

A CTU Mega 20 sham device (with an identical appearance to that of the real device) to avoid treatment identification by the patient or experimenter was used. Of course, the application of this sham device did not provide any magnetic field.

Intervention Type DEVICE