View clinical trials related to Chronic Stroke.
Filter by:Stroke is a leading cause of adult long-term disability worldwide. Recovery of arm and hand function after stroke is limited to about 50% of patients and full recovery is achieved in only 12% of stroke survivors by 6 months after stroke. Within the first 8-12 weeks post-stroke, a proportional recovery of 70%, corresponding to good recovery, may be achieved, but at later stages no major gain is observed with current therapy practices. Accordingly, there is a need to find new potential therapeutic tools to enhance post-stroke motor recovery. Rehabilitation supported by neuroplastic intervention is a new and pragmatic therapeutic approach in the treatment of stroke, giving way to a concept of 'recovery enhancers'. The objective of this study is to assess whether an additional therapy with Cerebrolysin and anodal transcranial direct current stimulation (atDCS) increases the success of conventional rehabilitation therapy in subacute and chronic stroke patients with unexploited potential for functional recovery despite intact structural and functional pathways in the brain. Hypothesis: The hypothesis is that the combination of Cerebrolysin and atDCS facilitates motor learning in subacute and chronic stroke patients. Accordingly, motor function recovery at day 21 post-baseline is expected to be higher in the verum group (conventional rehabilitation + task-specific motor training + Cerebrolysin + atDCS) as compared to the control group (conventional rehabilitation + task-specific motor training + placebo + sham-transcranial direct current stimulation). The primary objective is to show a significantly higher proportional recovery rate in the Action Research Arm Test (ARAT) at day 21 post-baseline in the verum group as compared to the control group. The secondary objective is to assess the impact of this neuroplastic intervention on finger dexterity (Nine-hole peg test - 9HPT), hand grip strength, and neurological deficits (National Institutes of Healths Stroke Scale - NIHSS) at the end of therapy (day 21 post-baseline). Safety data are collected throughout the study and thereafter in case of ongoing serious adverse events (SAEs) at study endpoint. Optional secondary parameters include electroencephalography (EEG) parameters and Brain Derived Neurotrophic Factor (BDNF) status analyses to document plastic changes in the brain, in particular changes of the cortical network functionality during neurorehabilitation, and to assess the impact of neuroplastic intervention on the BDNF synthesis rate as well as the influence of different BDNF polymorphisms.
Background: Stroke is highly prevalence neurological condition and causing many disabilities worldwide. Impaired Balance, Gait disability and limited Range of motion are the major problems in the chronic stage of stroke. Taping technique increases the sense of proprioception and improves the accurate position of joint by limiting or facilitating the movements. Calcaneal taping technique helps to correct the determinants of gait, improvement of balance and ankle range of motion. Aim: The goal of the study is to verify the effect of calcaneal taping technique on balance, gait and range of motion in patients with chronic stroke. Methods: This randomized clinical trial study will recruit patients with chronic stroke (≥6 months) on the basis of selection criteria. Patients with age between 40-80 years and grade ≥ 2 of modified asworth scale for ankle joint will be included. Patients with any Cognition problems, balance disorders, any case of fracture and history of surgery in ankle, diabetic foot and neuropathic joints will be excluded from the study. Participants will be selected randomly by criterion based sampling method and will be allocated into two groups (experimental and control group).Experimental group will receive calcaneal taping and conventional therapy whereas control group will receive sham taping and conventional therapy. Assessment of balance, gait and range of motion will be taken prior and after the intervention. Data Analysis: Estimation of normal distribution will be done by Shapiro Wilk test. Descriptive statistics data will be expressed as mean ± standard deviation and median ± interquartile range, based on the normality. Between groups comparison will be done by independent t-test /Mann Whitney U test and within group comparison will be done by Paired t-test/ Wilcoxon signed rank test.
A study of stereotactic, intracerebral injection of CTX0E03 neural stem cells into patients with moderate to moderately severe disability as a result of an ischemic stroke.
The purpose of this research study is to show that a computer can analyze brain waves and that those brain waves can be used to control an external device. This study will also show whether passive movement of the affected hand as a result of brain-based control can cause rehabilitation from the effects of a stroke. Additionally, this study will show how rehabilitation with a brain-controlled device may affect the function and organization of the brain. Stroke is the most common neurological disorder in the US with 795,000 strokes per year (Lloyd-Jones et al. 2009). Of survivors, 15-30% are permanently disabled and 20% require institutional care (Mackay et al. 2004; Lloyd-Jones et al. 2009). In survivors over age 65, 50% had hemiparesis, 30% were unable to walk without assistance, and 26% received institutional care six months post stroke (Lloyd-Jones et al. 2009). These deficits are significant, as recovery is completed after three months (Duncan et al. 1992; Jorgensen et al. 1995). This large patient population with decreased quality of life fuels the need to develop novel methods for improving functional rehabilitation. We propose that signals from the unaffected hemisphere can be used to develop a novel Brain-Computer interface (BCI) system that can facilitate functional improvement or recovery. This can be accomplished by using signals recorded from the brain as a control signal for a robotic hand orthotic to improve motor function, or by strengthening functional pathways through neural plasticity. Neural activity from the unaffected hemisphere to the affected hemiparetic limb would provide a BCI control in stroke survivors lesions that prevent perilesional mechanisms of motor recovery. The development of BCI systems for functional recovery in the affected limb in stroke survivors will be significant because they will provide a path for improving quality of life for chronic stroke survivors who would otherwise have permanent loss of function. Initially, the study will serve to determine the feasibility of using EEG signals from the non-lesioned hemisphere to control a robotic hand orthotic. The study will then determine if a brain-computer interface system can be used to impact rehabilitation, and how it may impact brain function. The system consists of a research approved EEG headset, the robotic hand orthotic, and a commercial tablet. The orthotic will be made, configured, and maintained by Neurolutions. Each participant will complete as many training sessions as the participant requires, during which a visual cue will be shown to the participant to vividly imagine moving their impaired upper extremity to control the opening and closing of the orthotic. Participants may also be asked to complete brain scans using magnetic resonance imaging (MRI).