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NCT06480838
Cognitive impairment after moderate to severe traumatic brain injury (msTBI) not only significantly affects the quality of life in individuals with msTBI, but also increases the possibility of late-life dementia. The goal of this study is to determine whether acute (\< 1 week) cerebrovascular injury and its recovery within the first year postinjury measured by cerebral autoregulation and brain perfusion are associated with cognitive outcome at 12 months after msTBI. The results from this study will improve our understanding of cerebrovascular contributions to cognitive decline related to TBI and provide critical data to inform the development of strategies based on vascular mechanisms to improve cognition and prevent neurodegeneration after msTBI.
NCT05521815
PURPOSE: The aim of this study is to investigate the effect of early coma arousal therapy on conscious level and cognitive function in sever traumatic brain injury patients. BACKGROUND: Traumatic brain injury (TBI) could be simply defined as an alteration in brain function due to external forces and is considered as one of the leading cause of death and disability worldwide, especially among young adults and the elderly. Current estimates imply that annual incidence of TBI is 50-60 million worldwide, and specifically for Europe and USA, 0.5% of Europeans and 1.1% of Americans are experiencing a TBI each year. The original scale has since been revised and is known as the Rancho Los Amigos Revised Scale (RLAS-R). One of the limitations of the original eight level scale was that it did not accurately reflect the individuals with higher levels of recovery. Two more levels were added to the initial eight level Ranchos Scale to create a more comprehensive ten level scale named the Rancho Los Amigos Revised Scale (RLAS-R).
NCT06163833
Traumatic Brain Injury (TBI) is an alteration of brain function caused by an external force. Long-term mortality in TBI is substantial, TBI survivors can develop chronic progressive disabilities and have a life expectancy shortened by 6 years. Treatment consists in supportive therapy directed at prevention of second insults, but no neuroprotective therapy is available. Given the multifaceted nature of TBI, mesenchymal stromal cells (MSCs) are an ideal candidate: they release multiple soluble factors shown to ameliorate the injury microenvironment through immunomodulatory, protective, reparative and regenerative processes. Preclinical data across a range of different TBI models and injury severities show that human MSCs improve outcome through pleiotropic mechanisms of protection and repair. Thus, data indicate MSCs as strong therapeutic candidate and support a clinical study in TBI. Aim: the study is designed to assess the safety and the efficacy of the MSCs, intravenously administered in severe TBI patients within 48h from injury. The study will be conducted in a stepwise manner. Step 1 will enroll 36 patients (randomized 1:1:1 in arms 80 x 10\^6 MSCs vs 160 x 10\^6 MSCs vs placebo) to define safety, and will allow to select the most promising dose. Step 2 will enroll 30 patients (1:1 in arms MSCs selected dose vs placebo) to define the MSC activity based on the quantification of the plasmatic levels of the neurofilament light (NFL) at 14 days, as biomarker of neuronal damage. Secondary objectives are aimed to assess: 1. brain injury evolution and white matter damage by longitudinal neuroimaging (at 4 days and 14 days post-TBI and at 6 months) 2. brain immunomodulatory changes by temporal profiling of circulating biomarkers of brain damage and neuroinflammation (daily for 3 days after TBI, at day 7 and 14, and at 1, 6 and 12 months) 3. clinical outcome by a structured clinical and neuropsychological assessment at both 6 and 12 months Methods: a multicenter, double blind, randomized, placebo-controlled, adaptive phase II dose finding study. Duration of the study: 36 months (24 of enrolment and 12 of follow up). Funding: Fondazione Regionale per la ricerca Biomedica, FRRB (Call "Unmet medical needs", proposal number 3440227) and Italian Ministry of health (Ministero della Salute, Bando di Ricerca Finalizzata 2021; proposal number RF-2021-12372642).