Assessment of Noninvasive Neuromodulation in a Group of Traumatic Brain Injured Patients and Healthy Volunteers

Traumatic Brain Injury

TRAUMATIC BRAIN INJURY, DIFFUSE AXONAL INJURY, NEUROMODULATION, RADIOELECTRIC ASSIMETRIC CONVEYER

Background: Severe traumatic brain injury, particularly diffuse axonal injury (DAI), often leads to lasting neurological issues. Cerebral dysfunction in DAI can be evaluated by monitoring cerebral electrical activity (CEA) through EEG. The radio electric asymmetric conveyer (REAC) is a noninvasive method designed to rebalance cellular polarity via endogenous bioelectric fields and modulate CEA. This technique may alter CEA, which can be detected using quantitative EEG (qEEG). Objective: To assess qEEG changes following DAI and brain wave alterations after a REAC protocol in this group. Methods: In this prospective, randomized, double-blind clinical trial, DAI patients will be assigned to active or sham groups for 19 sessions of either true or sham REAC following ICU discharge. Interventions include one Neuro Postural Optimization session and 18 NPPO-BWO-G sessions (up to four per day). The main outcome is to evaluate changes in qEEG patterns through population brain electrical mapping after REAC therapies.

Traumatic brain injury (TBI) is a leading cause of death and disability globally, significantly affecting the quality of life for patients and caregivers. In the United States, traumatic brain injury is the leading cause of death for people aged 1 to 45 and a major risk factor for morbidity and mortality in politrauma cases. Although epidemiological data in Brazil are limited, studies indicate that TBI is a significant public health issue, primarily impacting the country's young and economically active population. Automobile accidents and falls are primary causes of traumatic brain injury, with incidence rates highest among young adults (20 to 29 years) and individuals over 80 years old. TBI is a highly heterogeneous condition, with multiple classification systems that emphasize distinct aspects such as the underlying mechanism of injury, clinical severity, radiological characteristics, and pathophysiological processes. These classifications play an important role in standardizing data collection, identifying prognostic factors, and informing the selection of appropriate therapeutic approaches tailored to individual cases. From a pathophysiological perspective, traumatic brain injury (TBI) causes damage through primary lesions-direct energy transfer to the brain at trauma-and secondary effects, which involve cellular and molecular changes occurring for hours to weeks post-injury. Diffuse axonal injury (DAI) is a type of lesion in TBI that leads to significant brain dysfunction and affects roughly 40% of patients, making it a leading cause of neurological problems in survivors. Clinically, it is defined as a coma lasting more than 6 hours after TBI, excluding cases caused by ischemic brain injury or intracranial masses. Detecting this condition during routine exams in TBI patients can be challenging, as DAI-related abnormalities are often missed by standard CT or MRI scans and may require advanced imaging techniques to identify structural changes in the central nervous system. From a neurological perspective, TBI can result in a wide range of cognitive, behavioral, and sensory-motor changes that may affect the patient's quality of life. Cognition encompasses the processes involved in acquiring knowledge and includes factors such as thought, language, memory, reasoning, and task execution, which are considered important for intellectual development. Although TBI is strongly linked to cognitive dysfunction, effective treatment remains difficult. While cognitive rehabilitation therapies have shown benefits in some studies, results are inconsistent. Drug therapies for post-TBI cognitive disorders have proven ineffective. The limited effectiveness of conventional cognitive rehabilitation in DAI patients has led to the exploration of new therapies. Neuromodulation techniques, both invasive and noninvasive, offer promising options by targeting specific brain regions to alter activity and support recovery. Radio-electric asymmetric conveyer (REAC) technology is a noninvasive technique that was first described by Rinaldi and Fontani. REAC neurobiological modulation with specific protocols such as neuro-postural-optimization (NPO) and neuro-psycho-physical-optimization - brain wave optimization-G (NPPO-BWO-G) is a safe, established technique with proven therapeutic benefits for various neurological and psychiatric disorders. Given the significant brain damage and multiple disabling neurological sequelae, in severe TBI patients, combined with the limited efficacy of conventional pharmacological and cognitive rehabilitation interventions, REAC may be a promising therapeutic approach for affected patients. We will conduct a randomized clinical trial to assess REAC's effects in patients with DAI. GOALS Primary Endpoint • To evaluate the qEEG changes in patients with subacute/chronic DAI, following REAC neuromodulation. Secondary Endpoint * To evaluate the qEEG changes in adults free of neurological conditions, following REAC neuromodulation. * To evaluate cognitive and humor changes in adults free of neurological conditions, following REAC neuromodulation.

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