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Brain Concussion clinical trials

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NCT ID: NCT05337774 Terminated - Clinical trials for Mild Traumatic Brain Injury

Imaging [18F]PI-2620 and [18F]Florbetaben in Military Service Members With Blast Related Mild Traumatic Brain Injury

Start date: June 7, 2021
Phase: Phase 1
Study type: Interventional

The main objective of this interdisciplinary study is to develop an understanding of the molecular imaging features of blast-related mild traumatic brain injury (mTBI) in military personnel, while helping to establish assessment tools that may be of use in diagnosis, determining prognosis, and in future therapeutic clinical trials. Additionally, the objective is to evaluate feasibility of [18F]PI-2620 in the assessment TBI.

NCT ID: NCT04586179 Terminated - Concussion, Mild Clinical Trials

A Comparison Between Cardiovascular Exercise Modes Following Sport Related Concussion

Start date: September 27, 2020
Phase: N/A
Study type: Interventional

Primary Aim: Compare physiological (e.g., heart rate) and clinical responses (e.g., symptom provocation) of adolescent and adult athletes (14-35 years of age) completing either a structured treadmill running or a dynamic aerobic exertion protocol during the subacute phase of sport-related concussion recovery (3-30 days after injury). Secondary Aim: Examine potential effects of clinically-relevant factors that influence symptom responses to controlled aerobic exertion, such as age, physical activity patterns, motion sensitivities, psychological responses to injury, and sleep quality, among subjects completing controlled aerobic and dynamic exertion following sport-related concussion

NCT ID: NCT04226365 Terminated - Clinical trials for Mild Traumatic Brain Injury

Pediatric Concussion Outcomes

PeCon
Start date: February 15, 2020
Phase: Phase 4
Study type: Interventional

This is a randomized, placebo-controlled, double-blinded trial in which subjects with a post concussive headache meeting inclusion criterion will be assigned to one of two treatment groups: placebo or nortriptyline. Each group will be evaluated at week 0 and again each week for the next 4 weeks of treatment with a concussion survey that rates their symptoms. At the end of 4 weeks the study will be unblinded. It is hypothesized that the addition of nortriptyline to the standard headache treatments will result in more rapid decrease of symptom score than with placebo.

NCT ID: NCT04063618 Terminated - Concussion, Brain Clinical Trials

Reduction of Concussion Symptoms Through the Use of Osteopathic Manipulative Therapy

Start date: December 3, 2019
Phase: N/A
Study type: Interventional

Concussion incidence in high school and collegiate sports is high, especially in football. Once diagnosed, return to play is dependent on recovery from symptoms followed by a specific protocol for clearance; the sooner the symptoms subside the sooner the protocol is initiated. Osteopathic Manipulative Therapy (OMT) is a low risk procedure that has minimal side effects and has been used to decrease both headache intensity and frequency. With the main subjective symptom tracked for concussion being headache, OMT may be used to decrease the severity and the duration of this symptom.

NCT ID: NCT03598140 Terminated - Concussion, Brain Clinical Trials

Sildenafil Treatment for Mild TBI

Start date: July 25, 2018
Phase: Phase 2
Study type: Interventional

About 300,000 people are hospitalized for traumatic brain injury (TBI) each year. After TBI, secondary brain injury escalates due in part to heightened levels of oxidant injury, inflammation, and vascular injury. Traumatic cerebral vascular injury (TCVI) may begin almost immediately after the primary injury and evolve into chronic neurodegenerative conditions. TCVI is a very complex TBI endophenotype and microvascular injuries have been described in a plethora of animal and human TBI studies. These injuries consist of endothelial injury, disruption of the blood brain barrier (BBB), a reduction of capillary density, intravascular microthrombi, and white-matter degeneration. Recently, use of magnetic resonance imaging (MRI)-Blood Oxygen Level Dependent (BOLD) combined with hypercapnia (high spatial and temporal resolution) by our research group has proven to be more sensitive at measuring alterations of cerebral blood flow (CBF) in TBI subjects. The goal of the proposed research is to test the efficacy of Viagra® (sildenafil) at normalizing CBF and improving cognitive outcomes in people that have experienced a TBI. Sildenafil is a phosphodiesterase-5 (PDE-5) inhibitor that has previously been administered as a therapy for high blood pressure and erectile dysfunction. In people that have been affected by stroke-induce neurotrauma, sildenafil improved CBF and was found to be neuroprotective. With respect to chronic TBI, previous studies have demonstrated that sildenafil therapy potentiates cardiovascular reactivity (CVR) in areas of the brain with damaged endothelium. In this proposal, the investigators will test the hypothesis that sildenafil treatment in boxers/Mixed Martial Arts (MMA) fighters soon after concussion normalizes CBF, potentiates CVR, reduces post-concussion symptoms, and improves cognition.

NCT ID: NCT03529799 Terminated - Clinical trials for Mild Traumatic Brain Injury

Disparity Driven Vergence in Mild Traumatic Brain Injury (mTBI)

Start date: April 20, 2018
Phase: N/A
Study type: Interventional

This study aims to determine the validity and safety of disparity driven vergence using a portable goggle system (I-PAS) using a pseudorandom ternary sequence of frequencies for testing.

NCT ID: NCT03523507 Terminated - Clinical trials for Traumatic Brain Injury

fMRI-neuronavigated rTMS Treatment for Symptoms of Depression Associated With Concussive TBI in the Military Population

Start date: July 1, 2019
Phase: N/A
Study type: Interventional

This study aims to investigate the efficacy and tolerability of fMRI-targeted repetitive transcranial magnetic stimulation (rTMS) in the treatment of depressive symptoms in service members with a history of concussive traumatic brain injury (TBI). Up to ninety participants will be randomized to active or sham treatment. Participants randomized into the active group will receive 20 sessions of left-sided dorsolateral prefrontal cortex (DLFPC) high-frequency rTMS, followed by right-sided DLFPC low-frequency rTMS. The DLPFC treatment area will be identified by using individual subject-level resting state network estimation (Hacker et al., 2013). Participants randomized into the sham treatment group will receive 20 sham treatments designed to have similar sound and tactile sensation, without producing active treatment. Participants will also be asked to complete regular follow-up evaluations for up to a total of six follow-up sessions. Those who do not respond to the treatment will have the option to receive active treatment through this study regardless of group assignment to active or sham.

NCT ID: NCT03417492 Terminated - Clinical trials for Traumatic Brain Injury

Cerebrovascular Reactivity in American Football Players

Start date: March 1, 2018
Phase: Phase 1
Study type: Interventional

Investigators will measure cerebrovascular reactivity (CVR) using functional near-infrared spectroscopy (fNIRS) and magnetic resonance imaging (MRI) during the chronic phase after repetitive mild traumatic brain injury (rmTBI) as a biomarker of traumatic cerebrovascular injury (TCVI). We hypothesize that CVR will be decreased in patients with rmTBI and that these decreases will correlate with clinical outcomes. Furthermore, we predict that 5 week administration of a phosphodiesterase 5 (PDE5) inhibitor, sildenafil citrate, will augment CVR in patients with a history rmTBI.

NCT ID: NCT03345550 Terminated - Clinical trials for Mild Traumatic Brain Injury

OPTIMA-TBI Pilot Study

OPTIMA
Start date: September 12, 2017
Phase: Phase 2
Study type: Interventional

This is a double-blind, randomized controlled trial comparing the effect of omega-3 fatty acid versus placebo on blood biomarkers of brain injury, inflammation and neurogenesis.

NCT ID: NCT03342612 Terminated - Clinical trials for Mild Traumatic Brain Injury

Multimodal Neuroimaging Analysis After Mild Traumatic Brain Injury

CHANGE-TBI
Start date: July 18, 2016
Phase: N/A
Study type: Interventional

Mild Traumatic Brain Injury (mTBI), including concussion, is a real public health problem. Indeed mTBI might induce long-term brain disorders with increased risk of neurodegenerative diseases and the healthcare costs can be significant for both the individual and the society. However mTBI is called the "silent epidemic", because of the lack of research in this field in France as well as in the rest of the world. Most of the time, mTBI is associated with sports injuries, road traffic accidents and falls. The risk of neurodegenerative diseases is significantly increased with the repetition of mTBI, which may have a cumulative effect. In this context, playing football (or 'soccer') is associated with a high risk of concussion and with frequent head-ball contacts which are repeated during the training and matches. Moreover, football is the most popular team sport in the world, with more than 265 million players. The long-term impact of "heading" in football is still debated in the literature. Nevertheless, several studies suggest the possible emergence of early neurocognitive disorders. Otherwise, while mTBI is usually characterized by normal brain images using traditional neuroimaging techniques, microscopic anatomical changes might be detectable by new neuroimaging techniques. According to recent studies, cognitive dysfunctions could be based on these microstructural changes in the gray matter and white matter, secondary to the primary mechanical injury. Studies that have examined the structural changes in the brain white matter in football players are rare and lack of evidence regarding the consequences of accumulated brain impacts explains the lack of preventive measures in this sport. In addition, post-traumatic secondary lesions cause functional alterations of the neurovascular unit and its effect on cerebral perfusion may play a crucial role, which has never been yet explored in humans over the long term. In this research, the investigators will develop a unique multi-modal neuroimaging protocols to assess brain changes after minor head trauma and over the time. Investigators want to perform magnetic resonance imaging (MRI) to assess cerebral blood flow using Arteria Spin Labelling (ASL), structural changes using Diffusion Tensor Imaging (DTI), susceptibility weighted imaging (SWI), and functional changes using BOLD resting-functional MRI.