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NCT05432999
People with spinal cord injury (SCI) experience a host of secondary complications that can impact their quality of life and functional independence. One of the more prevalent complications is spasticity, which occurs in response to spinal cord damage and the resulting disruption of motor pathways. Common symptoms include spasms and stiffness, and can occur more than once per hour in many people with SCI. Spasticity can have a negative impact over many quality of life domains, including loss of functional independence, activity limitations, and even employment. Its impact on health domains is also pronounced, with many people who have spasticity reporting mood disorders, depression, pain, sleep disturbances, and contractures. Spasticity can interfere with post-injury rehabilitation and lead to hospitalization. There are many treatments for spasticity in this population. However, many do not have long-term efficacy, and, if they do, they are often pharmacological in nature and carry side effects that could limit function or affect health. The goal of this pilot, randomized-controlled study is to investigate the potential efficacy and safety of a non-invasive treatment with a low side effect profile, extracorporeal shockwave therapy (ESWT). ESWT has shown some benefits in people with post-stroke spasticity with no long term side effects. Thirty individuals with chronic, traumatic SCI will be recruited. Fifteen will be provided with ESWT while the other fifteen will be given a sham treatment. Clinical and self-report measures of spasticity and its impact on quality of life will be collected, as well as quantitative ultrasound measures of muscle architecture and stiffness. The ultimate goal of this pilot project is to collect the data necessary to apply for a larger randomized-controlled trial. Conducting a larger trial will allow for a more powerful estimation of safety and efficacy of ESWT as a treatment for spasticity in people with SCI.
NCT07438353
Individuals with chronic cervical spinal cord injury (SCI) and tetraplegia commonly experience persistent impairment in upper limb function, leading to reduced independence and quality of life. Transcutaneous spinal cord stimulation (tSCS) is a non-invasive neuromodulation technique that has demonstrated potential to improve upper limb strength and function when combined with rehabilitation. However, access to tSCS is limited in Singapore due to cost, regulatory barriers, and the need for frequent outpatient therapy. This study evaluates the safety, efficacy, and feasibility of a home-based digital rehabilitation program incorporating tSCS delivered using a commercially available neuromuscular electrical stimulation (NMES) device. Using a prospective, open-label single-case experimental design with multiple baselines across participants, individuals with chronic, non-progressive cervical SCI will receive daily home-based tSCS combined with an mobile application-guided upper limb exercise program. Upper limb function, quality of life, feasibility, and safety outcomes will be assessed longitudinally over a 22-week study period.
NCT03482310
This study is for people who have a paralyzed arm and hand from a spinal cord injury, who have also received a recording electrode array in the brain as part of the BrainGate study. The study will look at the ability of these participants to control different grasping patterns of the hand, both in virtual reality and in his/her actual hand. Movement of the participant's hand is controlled by a functional electrical stimulation (FES) system, which involves small electrodes implanted in the arm, shoulder and hand that use small electrical currents to activate the appropriate muscles.
NCT06777576
This study aims to demonstrate the safety and effectiveness of the personal exoskeleton in individuals with spinal cord injury (SCI).
NCT06814015
This study aims to demonstrate the safety and effectiveness of the personal exoskeleton in individuals with spinal cord injury (SCI).
NCT07357428
The Connect-One Study is an early feasibility study to obtain preliminary device safety information for the Connexus Brain-Computer Interface (BCI). The Connexus BCI is intended to be used as: (1) an assistive communication device to decode imagined language correlates and speech for patients with impaired communication as a result of severe loss of voluntary motor control; and (2) to provide control of computer devices for individuals with severe loss of voluntary motor control of the upper extremity.
NCT05724173
The purpose of this study is to obtain preliminary device safety information and demonstrate proof of principle (feasibility) of the ability of people with tetraplegia to control a computer cursor and other assistive devices with their thoughts.
NCT06094205
The goal of this study is to improve our understanding of speech production, and to translate this into medical devices called intracortical brain-computer interfaces (iBCIs) that will enable people who have lost the ability to speak fluently to communicate via a computer just by trying to speak.
NCT01474148
The purpose of this study is to evaluate a surgically implanted functional electrical stimulation (FES) system to facilitate stability of the trunk and hips. FES involves applying small electric currents to the nerves, which cause the muscles to contract. This study evaluates how stabilizing and stiffening the trunk with FES can change the way spinal cord injured volunteers sit, breathe, reach, push a wheelchair, or roll in bed.
NCT03161067
The Bidirectional Cortical Neuroprosthetic System (BiCNS) consists of NeuroPort Microelectrode Array Systems and NeuroPort Electrodes (Sputtered Iridium Oxide Film), Patient Pedestals, the NeuroPort BioPotential Signal Processing System, and the CereStim C96 Programmable Stimulator. The goals of this early feasibility study consist of safety and efficacy evaluations of this device.
NCT07127172
The GB-PRIME Study is an early feasibility study designed to assess the clinical safety and functionality of the Neuralink N1 Implant and R1 Robot. This study involves participants who have tetraparesis, tetraplegia, or a diagnosis that may lead to these conditions. The N1 Implant is a wireless, rechargeable device mounted on the skull, connected to electrode threads that are inserted into the brain by the R1 Robot, which is a robotic device specifically designed for this procedure.
NCT07058506
Neurinnov, in collaboration with the CBV USSAP center and the CAMIN INRIA team, has conducted clinical investigations using various control interfaces, including EMG, IMU, contact sensors, and voice commands, to operate a motor neuroprosthesis. This neuroprosthesis is based on neural electrical stimulation, enabling the activation of multiples muscles via a single electrode. The clinical investigations have successfully demonstrated the feasibility of achieving grasping movements induced by neural electrical stimulation, which are controlled by the participant through external interfaces. These external interfaces were based on existing technologies but were only suitable for research purposes due to their lack of portability. The current investigation aims to validate fully portable interfaces designed by Neurinnov, which are intended to be integral components of a future medical device that includes an implanted stimulator and its neural electrodes. The study's goal is to demonstrate that these interfaces can be used by participants with sufficient success rate (clinical performance) to support daily use. Our main hypothesis is that the participants can effectively use at least two of the six control interfaces presented to them to detect their intention to perform a motor action within a software environment under constant conditions. These interfaces include voice commands, inertial measurement unit (IMU) sensors, surface electromyography (EMG) sensors, switch, joystick, and earswitch.
NCT06798233
The goal of this clinical trial is twofold: 1. to develop a questionnaire for care givers to assess hip pain in quadriplegic pediatric patients who are not able to communicate it independently 2. to validate this questionnaire in a cohort of 100 pediatric patients with quadriplegia Researchers will : 1. involve 10 experts (8 multiprofessional clinicians and 2 parents) in a Delphi approach to develop the questionnaire 2. assess construct validity and reliability of the questionnaire submitting it to 100 care givers of pediatric patients with quadriplegia, and comparing results with the Revised Face Legs Activity Cry and Consolability (r-FLACC) Scale assessed by the physiatrist during the visit Participants will: 1. as experts, firstly answer open questions on this topic, secondly evaluate each item of the new questionnaire by means of a 5-point Liekert scale 2. as caregivers of pediatric patients with quadriplegia, fill out the questionnaire within 2 weeks after the visit
NCT06992596
The UAE-PRIME Study is a feasibility study designed to assess the initial clinical safety and functionality of the Neuralink N1 Implant and R1 Robot. This study involves participants who have tetraparesis, tetraplegia, or a diagnosis that may lead to these conditions. The N1 Implant is a wireless, rechargeable device mounted on the skull, connected to electrode threads that are inserted into the brain by the R1 Robot, which is a robotic device specifically designed for this procedure.
NCT02314221
The primary objective of this study is to achieve successful walking skills using exoskeletal walking devices over the course of 36 sessions in 3 months at specific velocities and distances in people with chronic SCI who are wheelchair dependent for community mobility. The secondary objectives are to determine if this amount of exoskeletal walking is effective in improving bowel function and body composition in the same patient population. The exploratory objectives are to address additional questions concerning the retention or non-retention of the positive changes, the effects of the increased physical activity from this intervention on vagal tone, orthostatic tolerance, lipid profile, total testosterone, estradiol levels, and quality of life (QOL). A Phase III randomized clinical trial (RCT) will be performed using a crossover design and employing an exoskeletal-assisted walking intervention. The experimental arm will be compared to a usual activities (UA) arm, as the control, in 64 persons with chronic SCI (\>6 month post injury) who are wheelchair-dependent for outdoor mobility in the community. The WALK arm will consist of supervised exoskeletal-assisted walking training, three sessions per week (4-6 h/week) for 36 sessions for their second 12-week period. The UA arm will consist of identification of usual activities for each participant, encouragement to continue with these activities and attention by study team members throughout the 12-week UA arm. These activities will be recorded in a weekly log. The investigators hypotheses are that 1) this exoskeletal intervention will be successful in training ambulatory skills in this patient population, 2) the exoskeletal intervention will be better than a control group in improving body composition, bowel function, metabolic parameters and quality of life in the same population.
NCT04807764
Locomotor training is often used with the aim to improve corticospinal function and walking ability in individuals with Spinal Cord Injury. Excitingly, the benefits of locomotor training may be augmented by noninvasive electrical stimulation of the spinal cord and enhance motor recovery at SCI. This study will compare the effects of priming locomotor training with high-frequency noninvasive thoracolumbar spinal stimulation. In people with motor-incomplete SCI, a series of clinical and electrical tests of brain and spinal cord function will be performed before and after 40 sessions of locomotor training where spinal stimulation is delivered immediately before either lying down or during standing.
NCT05920174
Through brain-computer interface alternative technology, patients can control the external equipment（wheelchairs, robotic arms, the WeChat app and other physical aids）with brain signals to improve the patients quality of life.
NCT06437548
Restoring upper extremity function in patients with cervical spinal cord injury is extremely important for patients' independence and quality of life. At present, there are limited options for hand or arm reanimation in this patient population. Nerve transfer is one such option that can partially restore the natural movement of hand or arm function in select patients. The investigators are interested in understanding whether recovery of hand or arm motor function after nerve transfer can be augmented by cervical epidural spinal cord stimulation.
NCT03513783
Patients with C5 or C6 tetraplegia have paralysis of the triceps brachii. Elbow extension can be surgically restored by transferring the tendon from a preserved muscle onto the tendon of the paralyzed triceps brachii. The most frequently used method transfers the posterior deltoid tendon. However, transferring the posterior deltoid can create an imbalance in the shoulder joint and this technique is not recommended when the clavicular head of the pectoralis major is weak. In such cases, a preferred method is a biceps brachii tendon transfer. The success of this intervention relies on the ability of the patient to dissociate the drive between the transferred biceps brachii and the other elbow flexor muscles. Even though tendon transfers are widely used, the subsequent reorganization of muscle coordination strategies remains largely unknown. The identification of muscle synergies and co-coactivations from electromyography (EMG) signals, defined as groups of muscles activated in synchrony, may help to provide a deeper understanding of changes in muscle coordination. The objective of this study is to investigate for the first time the reorganization of muscle coordination after surgical restoration of elbow extension through the identification of muscle synergies and the quantification of muscle co-activations. Four participants with tetraplegia will take part to this study. The experimental procedure will be conducted before their surgery and once a month during 6 months after their surgery. The procedure consists of performing consecutive elbow extension-flexion cycles with the shoulder abducted at different angles. Surface and intramuscular EMG measurements will be collected for several upper limb muscles. Muscle synergies and co-activations will be extracted from the EMG measurements.
NCT05638191
The goal of this prospective, open label cohort study is to assess functional and motor outcomes in individuals with cervical spinal cord injury who have undergone nerve transfer surgery, with the goal of increasing upper limb function. We will also compare these outcomes to a cohort of similarly matched individuals who have not undergone nerve transfer surgery, using robust outcome measures, rigorous pre-operative clinical and neurophysiological assessments, and standardized rehabilitation. At the end of this project we aim to develop a model for predicting nerve transfer outcomes using pre-operative clinical and neurophysiological characteristics.