Clinical Research Directory

Comparing Upper Limb Surgery and Botulinum Toxin for Spasticity: A Paired Design Study

Spasticity is a common complication following central nervous system injuries. Left untreated, spasticity can lead to various complications, hindering activities of daily living and diminishing independence. Spasticity affecting the hand is particularly debilitating because it prevents prehension and grasp, which are critical factors for the ability to perform activities of daily living independently. Spasticity is described as one of the prominent secondary conditions in individuals with various disabilities. While Botulinum toxin(BoNT) injections are widely used for focal spasticity, surgical interventions remain underutilized despite promising long-term outcomes. Center for Advanced Reconstruction of Extremities(C.A.R.E), at the hand surgery department at Sahlgrenska University hospital in Gothenburg, Sweden is a multiprofessional team and advocates a stratified surgical algorithm based on residual motor function, aiming to optimize patient outcomes. This open-label, non-randomized, paired study aims to compare the efficacy of spasticity-correcting upper limb surgery with BoNT injections in improving body function, activity, and participation in patients with upper limb spasticity. A total of 30 patients will undergo both interventions sequentially, allowing for within-patient comparisons. The sample size calculation is based on prior studies. All patients with ongoing BoNT treatment who get referral to C.A.R.E and seem eligible for the study will be informed about the study and enrolment procedure. Eligible participants will undergo both treatments sequentially, with outcome assessments conducted before and after each intervention. The treatments will follow routine clinical care. The primary outcome measure, Modified Ashworth Scale, will assess spasticity severity. Secondary outcomes will include measures of functional and activity changes specific to each treatment regimen. This study aims to provide valuable insights into the comparative effectiveness of spasticity interventions, guiding treatment decisions for patients with upper limb spasticity.

Effectiveness of a Customized Digital Platform to Increase Coordination of Care and Uptake of Evidence-based Practices

Background: Cardiovascular and neurological conditions are major causes of disability worldwide. Early, intensive rehabilitation is essential but often challenging to access in current healthcare systems. In Canada, the direct and indirect costs of acquired brain injury (ABI) are substantial, emphasizing the need for improved rehabilitation services. In collaboration with four health regions and the Canadian Foundation of Innovation (CFI) funded BRILLIANT research group, investigators are implementing a digital health platform (the BRILLIANT platform), which includes five modules to address current gaps and support a person-centered integrated care continuum for cardiovascular and neurological conditions. In this stepped wedge randomized trial, investigators plan to implement and evaluate the use of the BRILLIANT Platform for improving transitions of care in the rehabilitation of ABI individuals in Quebec. Methods: A stepped wedge cluster randomized trial will be conducted across four healthcare regions with eight programs. Eligible participants included new cardiovascular and neurological patients, caregivers, clinicians, coordinators, and managers. The BRILLIANT platform intervention, implemented in 2 phases, will provide standardized assessments, communication tools, shared intervention plans, self-management support, and quality improvement dashboards. Outcomes will include rehabilitation intensity measured in minutes, time from admission to rehabilitation, health-related quality of life, care experience, and costs. Data analysis will use mixed-effects models for quantitative data and content analysis for qualitative data. Discussion: This study will provide valuable evidence on the effectiveness and feasibility of the BRILLIANT platform in improving rehabilitation care for patients with cardiovascular and neurological conditions in Quebec. Investigators anticipate that by addressing the challenges and pursuing future directions, the implementation of this digital platform can contribute to improving patient outcomes and healthcare delivery.

Point of Care Testing in Emergency Departments After Mild Traumatic Brain Injury

Traumatic brain injury (TBI) is estimated to have the highest incidence of all common neurological disorders, affecting 50 to 60 million people worldwide each year. In the UK, approximately one million people attend an Emergency Department (ED) annually following a head injury, and 80-90% of these are classified as mild TBI (mTBI), also referred to as concussion. In the acute setting, mTBI is typically defined by a Glasgow Coma Scale (GCS) score of 13-15 on presentation. Current acute management focuses primarily on identifying which patients require a CT head scan to detect life threatening injuries that may need neurosurgical intervention, observation, or neurocritical care. However, there is increasing recognition that the term "mild" can be misleading. Many patients, including those with normal CT scans,experience persistent functional, cognitive, and symptomatic deficits that may benefit from further intervention and follow-up care. Blood biomarkers offer significant potential to improve the early diagnosis, risk stratification, and prognostication of mTBI in the ED setting. While these biomarkers are increasingly being developed and evaluated in moderate and severe TBI, their clinical utility in mild TBI has not yet been definitively demonstrated. To fully assess their potential value, it is essential to understand the current care pathways for mTBI in the ED, how they are implemented in practice, and where biomarker information could meaningfully enhance clinical decision making and improve patient outcomes. The POCKET study will use a systems engineering approach, in combination with health economic evaluation, to assess the potential role and utility of point-of-care blood biomarkers in the management of mild TBI in UK emergency departments. This research will be conducted using the Abbott biomarker platform.

Early Post-Traumatic Seizures Prevention Trial (E-PTS Trial)

Rationale/gaps in existing knowledge: The prophylaxis for post-traumatic seizures (PTS) remains controversial due to a lack of class I evidence. Investigators plan to conduct a high-quality, prospective, multicentric, randomized study regarding seizure prophylaxis in traumatic brain injury (TBI) with phenytoin, levetiracetam, and the placebo in three respective treatment groups, along with the effect of drug polymorphism on seizure occurrence. Novelty: Literature is scarce regarding the ideal management of early PTS in traumatic brain injury (TBI), a major public health problem. Further, no study has evaluated the effect of genetic polymorphism on seizure occurrence in traumatic brain injury. This Multicentric study will be the first of its kind, not only in India but also globally. Objectives: To evaluate the seizure incidence \& efficacy of the respective anti-epileptic drug in each treatment arm. Assessment of clinical \& functional outcomes, safety profile, and cost-effectiveness in each group. Effect of genetic polymorphisms on seizure incidence among study participants Methods: A Multicentric prospective randomized placebo-controlled double-blinded clinical trial is planned. After satisfying eligibility criteria and informed consent, TBI patients will be randomly allocated into three arms 'phenytoin arm', 'levetiracetam arm', and 'placebo'. Drug polymorphism will be analyzed in all the patients using quantitative real-time PCR. Expected outcome: This study will provide high-quality evidence in PTS management and will establish the role of prophylactic anti-epileptics in PTS. This study also opens the plethora of undesignated roles of genetic polymorphism in the efficacy and safety of levetiracetam and phenytoin in traumatic brain injury patients.

Effectiveness of Surgical Procedures for Acute Cranial Expansion in Traumatic Brain Injury

Traumatic brain injury (TBI) patients often exhibit an increase in their intracranial volume due to blood collection or brain tissue edema. When the volume of any intracranial compartment exceeds a critical threshold, the compensatory mechanisms become exhausted, compromising intracranial compliance and blood supply, which leads to intracranial compartment syndrome (ICCS). The presence of this condition exacerbates brain damage through secondary injury. When less invasive measures to counteract ICCS prove to be insufficient, cranial decompression is recommended, with decompressive craniectomy (DC) being the preferred technique. Although its effectiveness has been demonstrated, DC is also associated with an incidence of complications. Expansive craniotomy (EC) has been proposed as an alternative that can increase the benefits of cranial decompression provided by DC while reducing the associated complications. This observational study will compare the functional outcomes and complications of patients managed by DC and EC.

Security and Effectiveness Assessment of Locking Systems in Ventriculostomy for Traumatic Brain Injury

This study aims to compare the effectiveness and safety of a standard intervention called ventriculostomy for managing increased intracranial pressure (ICP) in patients with severe traumatic brain injury (TBI). Elevated ICP is a critical condition that can result in brain damage or death if not treated promptly. The intervention will be performed in a traditional standard way or with an additional device called a catheter locking system. The first approach, standard ventriculostomy, involves placing a catheter into the brain's ventricular system to drain cerebrospinal fluid (CSF), thereby reducing ICP. The second approach incorporates the same catheter plus a catheter-locking device designed to secure the catheter in place, potentially reducing complications such as catheter displacement and the need for additional surgeries. Participants in this study will undergo either standard ventriculostomy or ventriculostomy with the locking device. Their progress will be observed during their hospital stay until the catheter is taken out (regularly on days 5th to 7th after the initial surgery) and assessed over one year through structured telephone follow-ups. The main outcomes include functional recovery, as measured by the Glasgow Outcome Scale Extended (GOSE), and the rate of complications such as operative site infections, catheter displacement, and/or reinterventions. By comparing these two methods, the study seeks to determine whether the locking device improves outcomes for TBI patients while maintaining or enhancing the safety and reliability of the procedure.

Validation and Standardisation of a "Neuralix" Digital Ecological Battery

The management of head trauma patients requires the assessment of cognitive disorders using standardized neuropsychological tests and questionnaires. However, the evaluation tools currently available present well-identified limitations limiting the accuracy of the measurements (in a non-exhaustive manner, let us cite for example the absence of control of the rate of "false positives" or even the impossibility of measuring the improvement or decline in performance over time). In order to overcome these limitations, the Neuralix battery was created with particular attention to the assessment of memory and executive functions largely impacted after head trauma. The Neuralix battery comes in the form of a digital application accessible online and allowing a global assessment of cognitive functions in adults. In addition, the processing of results includes the operationalization of decision criteria taking into account the limitations cited above in order to improve the sensitivity of the evaluation. The VANOLIX study proposes the validation of the Neuralix cognitive battery with head trauma patients of moderate to severe intensity as well as its standardization with healthy volunteers, these two steps being essential to making the tool available to clinician-researchers.

Walking With Overground Robotic Exoskeletons to Improve Arrousal in Individuals With Disorders of Consciousness

This proposed study will examine a walking intervention to promote changes in conscious state in individuals with disorders of consciousness (DoC) due to acquired brain injury (ABI). Recent practice guidelines highlight the need to develop interventions to arouse patients with DoC, as current treatment options are scarce with limited to low-quality pharmaceutical and electrical stimulation approaches to improve outcomes. New data indicates patients with chronic DoC may benefit from therapeutic intervention prioritizing repeated multimodal sensory (i.e., simultaneous vestibular, proprioceptive, and visual) input, but likely not attain comparable functional recovery to those who demonstrate early command following ability. Interventions activating pathways of the cerebral consciousness network may leverage a substrate for recovery. We hypothesize that walking in an overground robotic exoskeleton (ORE) is safe, feasible, and will simultaneously stimulate endogenous cognitive and automatic pathways associated with walking5 to promote changes in behavioral performance in individuals with DoC.

Standard Craniectomy Against Laparotomy for the Treatment of Traumatic Rise in Intracranial Pressure and the Effect on Long-term Outcome

Intractable high intracranial pressures (ICP) are associated with poor functional outcomes and mortality, so the SCALPEL trials aims to evaluate the effect of decompressive craniectomy against decompressive laparotomy to lower those pressures in diffuse TBI. The primary outcome measure for that evaluation is functional outcome after 12 months on the extended Glasgow Outcome Scale (GOS-E).