Assessment of the Effects of Early Proprioceptive Stimulations in Patients With Severe Traumatic...
Traumatic Brain Injuries"Severe traumatic brain injury (TBI) is a serious condition, common in young adults. It leads to sensorimotor and cognitive sequelae that hinder social reintegration. Neuronal plasticity must be used quickly before natural recovery impedes neuronal regrowth. In this respect, stopping sedation as soon as possible and early mobilization, even if the patients are unconscious, are recognized as useful measures to promote recovery. However, at the early stage, the environment of the ICU and the acute condition of the patients limit the rehabilitation possibilities. In such a context, functional proprioceptive stimulations (Vibramoov™ system, Techno Concept, France) could be a tool of interest. By using the proprioceptive signatures of cyclic movements, proprioceptive stimulations can elicit the illusion of these movements. A motor response can even be obtained through the interactions between the peripheral nervous system and the central nervous system. Finally, such stimulations facilitate the initiation of the mimicked movements. Some studies have already shown the benefits of proprioceptive vibrations. However, so far, these benefits have only been studied at the chronic stage of neurological diseases. The investigators hypothesized that early functional proprioceptive stimulations (FPS) may reduce spasticity and promote recovery in patients with severe traumatic brain injury. To test the hypothesis, the investigators conduct a randomized controlled trial on patients with severe traumatic brain injury. Every patient will be included as soon as possible in the ICU and receive either FPS, either sham stimulations to the joints of the lower limbs, 4 times a week during 8 weeks. The primary outcome measures will assess spasticity. The investigators also assess pain, coma recovery; muscle wasting and cognitive impairments. "
Mobile Subthreshold Exercise Program for Concussion--R01
ConcussionBrain8 moreApproximately 1.9 million youth sustain a concussion each year, and up to 30% experience persistent post-concussive symptoms (PPCS) such as headache, dizziness, and difficulty focusing that continue for weeks or months. PPCS results in greater utilization of sub-specialty care and can impact immediate and long-term social development, cognitive function and academic success. Previous recommendations for treating PPCS have focused on cognitive and physical rest, but more recently guidelines have shifted based on new research suggesting the benefit of rehabilitative exercise for PPCS. The rationale behind using exercise to treat youth with concussion is that gradually increasing physical activity facilitates return to full function. Rehabilitative exercise has since become one of the most common approaches to treating youth with PPCS, but access is challenging since most programs require weekly centralized visits with a concussion specialist. To bridge this gap, the investigators developed a telehealth-delivered approach to treat PPCS, utilizing physical activity trackers (Fitbits) and weekly video conferences with trained research staff. They then conducted a series of pilot studies with this approach, finding excellent feasibility, acceptability, and evidence for more rapid declines in concussive symptoms compared to controls. The investigators also found preliminary evidence that mechanisms behind this intervention may stem from both physiologic processes due to increased moderate-to-vigorous physical activity (MVPA) and psychologic processes such as reducing fear- avoidance of concussive symptoms. They now propose a fully-powered randomized controlled trial (RCT) to asses the efficacy of the "Mobile Subthreshold Exercise Program" (M-STEP) for treating youth with PPCS.
The Anesthetic Ketamine as Treatment for Patients With Severe Acute Brain Injury
Subarachnoid HemorrhageAneurysmal2 moreCortical spreading depolarisations are pathological depolarisation waves that occur frequently after severe acute brain injury and has been associated with poor outcome. S-ketamine has been shown to inhibit cortical spreading depolarisations. The aim of the present study is to examine the efficacy and safety of using S-ketamine for treatment of patients with severe acute brain injury, as well as the feasibility of the trial design.
Cannabidiol as a Treatment for PTSD and PTSD Comorbid With TBI
Post Traumatic Stress DisorderTraumatic Brain InjuryThis will be a randomized placebo controlled study to test the efficacy of cannabidiol (CBD) as a treatment for symptoms of post-traumatic stress disorder (PTSD). Subjects, 120 in total, will be males and females with PTSD, half of which will have comorbid mild traumatic brain injury (TBI). There will be three study arms, each with 40 subjects: 1) Oral CBD 400 mg daily; 2) Oral CBD 800 mg daily, and 3) Placebo daily. Treatment duration will be 8 weeks. The primary outcome will be change in PTSD symptoms as measured by change in the Clinician-Administered PTSD Scale (CAPS-5) total score.
Targeted Multidomain (T-MD) Interventions for Complex Mild Traumatic Brain Injury (mTBI)
ConcussionMildObjective: This 3-year multisite RCT will determine the effectiveness of a targeted multidomain intervention (T-MD) (anxiety/mood, cognitive, migraine, ocular, vestibular; and sleep, autonomic) compared to usual care (behavioral management) in military-aged civilians with complex mTBI.
tDCS and Cognitive Training in Active Duty Service Members With Mild TBI: A Pilot Study
Brain ConcussionBrain Trauma9 moreThe proposed study will evaluate a new approach to cognitive rehabilitation of mild traumatic brain injury (mTBI) using a brain stimulation technique called transcranial direct current stimulation (tDCS). Specifically, we will investigate how tDCS combined with cognitive training improves deficits to attention and working memory in Active Duty Service Members with a history of mild traumatic brain injury (TBI). Measures of attention-related brain activity, neurocognitive assessments, and self-reported clinical outcomes will be used to determine effects of tDCS vs. sham tDCS when paired with a cognitive training intervention. By doing this study, we hope to find a reliable, noninvasive, and efficient method of treating mild TBI cognitive symptoms.
ACTIVE: Activity Therapy to Increase Veteran Engagement
Traumatic Brain InjuryDepression is common after traumatic brain injury (TBI) and may have wide-ranging consequences. Post-TBI depression may impede reintegration into the family and community and lead to lower quality of life and heightened suicide risk. It may also interfere with rehabilitation. Yet, current treatments for post-TBI depression are based largely on expert opinion rather than evidence from rigorous studies. Behavioral activation (BA) is a promising intervention for post-TBI depression. It is a brief behavioral treatment that helps people define goals, create and execute plans to reach them, and engage in meaningful activities. BA has been tested in clinical trials since the 1970s and has been shown to reduce or prevent depression in populations with diverse medical conditions. However, BA has rarely been used or studied for treatment of depression in a TBI population. The investigators will conduct a study of BA with 40 Veterans with TBI and depressive symptoms in VA outpatient rehabilitation care. One group of Veterans will be randomly assigned to receive BA plus usual care. The BA program consists of six sessions delivered over three months at the VA (or Veterans' homes, if preferred) by an occupational therapist (OT). A second group of Veterans will be randomly assigned to receive usual care. The investigators will assess the feasibility of delivering the BA intervention in the rehabilitation setting and its acceptability to Veterans and staff. The research team will also assess participant responses to BA in the outcomes of depressive symptoms, community reintegration, and quality of life. Study findings will be used to guide the development of a future study of BA in a larger sample of Veterans with post-TBI depression. This study and future research may add a powerful clinical tool to rehabilitation services to lessen or prevent depression in Veterans with TBI. Reducing depression may in turn facilitate rehabilitation and enhance community reintegration, allowing Veterans to engage more fully in their families and communities.
Control Network Neuromodulation to Enhance Cognitive Training in Complex Traumatic Brain Injury...
Traumatic Brain InjuryThe CONNECT-TBI Trial aims to develop safe, effective treatments for complex mTBI that improve cognitive functioning. Based on the compelling preliminary data generated by our study team, the objective of this study is to conduct a randomized, double-blinded, sham-controlled Phase II clinical trial of APT-3 combined with rTMS, HD-tDCS, or sham to treat cognitive control deficits in Veterans with complex mTBI and PPCS. At the Baseline Visit, participants will undergo demographic, neuropsychological, behavioral, and quality of life testing. They will also undergo structural MRI to permit modeling of their brain, resting/task-related fMRI to identify the CCN, and pseudocontinuous arterial spin labeling (pCASL) and diffusion tensor imaging (DTI) to assess for other pathologies. They will then be randomized to 16 sessions of APT-3 with concurrent rTMS, HD-tDCS, or sham stimulation delivered to the unique functional left dorsolateral prefrontal cortex (DLPFC), a primary node of the CCN. Lastly, they will repeat all baseline tests, and report on 3- and 6-month recovery levels to establish longevity and stability of subjective benefit. Given that this individualization protocol has never been attempted for cognitive rehabilitation in military mTBI, we expect this trial will generate useful effect sizes for HD-tDCS and rTMS to be used for powering the next step, a Phase III multi-center trial.
Non-invasive BCI-controlled Assistive Devices
Motor DisordersHealthy6 moreA brain-computer interface (BCI) decodes users' behavioral intentions or mental states directly from their brain activity, thus allowing operation of devices without requiring any overt motor action. One major modality for BCI control is based on motor imagery (MI), which is the mental rehearsal of the kinesthetics of a movement without actually performing it. MI-based BCIs translate motor intents into control commands for external devices. A major challenge in such BCIs is differentiating MI patterns corresponding to fine hand movements of the same limb from non-invasive EEG recordings with low spatial resolution since the cortical sources responsible for these movements are overlapping. In this study, the investigators hypothesize that neuromuscular electrical stimulation (NMES) applied contingent to the voluntary activation of the primary motor cortex through MI can help differentiate patterns of activity associated with different hand movements of the same limb by consistently recruiting the separate neural pathways associated with each of the movements within a closed-loop BCI setup. This is expected to be associated with neuroplastic changes at the cortical or corticospinal levels.
Digital Therapeutic for Depression After Head Injury in Current and Former US Military Personnel...
Depressive SymptomsMild Traumatic Brain InjuryThe Center for Neuroscience and Regenerative Medicine (CNRM) Clinical Trials Unit has developed the first cognitive-behavioral therapy (CBT) digital therapeutic (DTx) mobile application to counteract depressive symptoms in military service members and veterans with a history of mild traumatic brain injury (mTBI). This trial will assess the efficacy of the novel CBT-DTx for depression following mTBI compared to an educational comparison DTx.