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Cerebral Edema clinical trials

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NCT ID: NCT06096415 Not yet recruiting - Clinical trials for Traumatic Brain Injury

Safety and Efficacy of ABX-101 in Participants Aged 18 to 50 Years of Age With Moderate to Severe Traumatic Brain Injury

Start date: December 2023
Phase: Phase 2
Study type: Interventional

The purpose of this study is to investigate the clinical improvement measured by the Glasgow Outcome Scale Extended (GOS-E) with ABX-101 compared with Placebo intramuscular injection in participants with moderate to severe TBI.

NCT ID: NCT06018545 Active, not recruiting - Clinical trials for Acute Ischemic Stroke

AI Assisted Reader Evaluation in Acute Computed Tomography (CT) Head Interpretation

AI-REACT
Start date: June 1, 2023
Phase:
Study type: Observational

This study has been added as a sub study to the Simulation Training for Emergency Department Imaging 2 study (ClinicalTrials.gov ID NCT05427838). The purpose of the study is to assess the impact of an Artificial Intelligence (AI) tool called qER 2.0 EU on the performance of readers, including general radiologists, emergency medicine clinicians, and radiographers, in interpreting non-contrast CT head scans. The study aims to evaluate the changes in accuracy, review time, and diagnostic confidence when using the AI tool. It also seeks to provide evidence on the diagnostic performance of the AI tool and its potential to improve efficiency and patient care in the context of the National Health Service (NHS). The study will use a dataset of 150 CT head scans, including both control cases and abnormal cases with specific abnormalities. The results of this study will inform larger follow-up studies in real-life Emergency Department (ED) settings.

NCT ID: NCT06009016 Recruiting - Inflammation Clinical Trials

Inflammation and Coagulation Factors for Predicting Cerebral Edema After SAH

Start date: August 1, 2022
Phase:
Study type: Observational

Explore the role of Inflammation and coagulation factors in cerebrospinal fluid for predicting persistent cerebral edema after subarachnoid hemorrhage

NCT ID: NCT05796349 Completed - Healthy Clinical Trials

Study on Data Acquisition and Image Characteristics of Brain Multifrequency EIT in Healthy People and Patients With Brain Diseases

Start date: June 1, 2022
Phase:
Study type: Observational

The goal of this observational study is to compare the differences in the features of cerebral multifrequency EIT(cMFEIT) images between healthy subjects and patients with brain diseases and to explore the possibility of applying multifrequency EIT to intracranial abnormality detection.16 healthy volunteers and 8 patients with brain diseases were recruited as experimental subjects, and the cerebral EIT data of 9 frequencies in the range of 21 kHz - 100 kHz of all subjects were acquired with an EH-300 MFEIT system.

NCT ID: NCT05725694 Enrolling by invitation - Clinical trials for Acute Ischemic Stroke

Acute Ischaemic STROKE: From LAboratory to the Patient's BED

STROKELABED
Start date: October 1, 2015
Phase:
Study type: Observational

Background: Recanalization strategies have radically changed the outcome in a significant part of stroke patients. The unpredictable occurrence of cerebral edema (CE) and hemorrhagic transformation (HT) are frequent events in patients affected by ischemic stroke, even when an effective vessel recanalization has been achieved. These complications, related with blood brain barrier (BBB) disruption, remain difficult to prevent or treat, and antagonize the beneficial effect of successful recanalization, leading to poor outcome. Aim: to shed light on the reperfusion injury biological bases, this study aims at evaluating the effects of circulating and imaging biomarkers in relation to CE and HT both in stroke patients and in a coherent murine stroke model. A close interaction between clinical and preclinical research could lead to a broader understanding of the results deriving from the individual lines of activity, allowing a deeper interpretation of the underlying phenomena. Methods: The clinical setting is a retrospective observational study enrolling consecutive patients with acute ischemic stroke in the anterior circulation territory, treated with reperfusion therapies, at Careggi University Hospital in Florence (Italy) from October 1, 2015 to May 31, 2020. In this cohort, the investigators will apply a new approach to assess the presence of CE and HT after stroke in CT scans, through the quantification of anatomical distortion (AD) (induced by fluid extravasation in brain tissue) at 24 hours. A large panel of blood biomarkers related to inflammation, endothelial dysfunction , and fibrin resistance to lysis, will be measured as blood samples are taken from each patient before and 24 hours after thrombolysis or thrombectomy. The role of both AD and blood biomarkers as predictors of 3 months functional outcome, assessed by modified Rankin Scale (mRS), will be estimated. Using a translational approach the investigators will develop a new mouse model of light-induced occlusion/reperfusion of the middle cerebral artery (MCA) to better reproduce the human setting. Then, the investigators will assess functional impairment induced by stroke with and without recanalization at different time points and the investigators will assess through ex vivo experiments the insurgence of BBB alterations 24 hours after the lesion. Finally, the investigators will characterize the stroke volume and the inflammation one week after stroke.

NCT ID: NCT05585255 Recruiting - Clinical trials for Ischemic Stroke, Acute

Clinical Significance of DKK2 Protein in Cerebral Ischemia-reperfusion Injury

Start date: September 1, 2022
Phase:
Study type: Observational [Patient Registry]

The study is a two-center prospective cohort clinical trial. The primary purpose of this trial is to identify the pattern of DKK2 serum levels in ischemic stroke patients after revascularization therapy and determine the correlation between serum DKK2 levels and prognosis.

NCT ID: NCT05200728 Completed - Clinical trials for Acute Ischemic Stroke

The Tolerability, Safety, and PK Characteristics of SIM1910-09 in Healthy Chinese Volunteers

Start date: December 6, 2021
Phase: Phase 1
Study type: Interventional

This is a single-center, randomized, double-blind, placebo-controlled Phase I clinical study to evaluate the tolerability, safety, and pharmacokinetic characteristics of SIM1910-09 for injection after single/multiple dosing in healthy Chinese adult volunteers.

NCT ID: NCT05170295 Completed - Clinical trials for Intracranial Pressure Increase

Noninvasive Monitoring of Cerebral Blood Flow Autoregulation

Start date: April 18, 2018
Phase:
Study type: Observational

Rheoencephalography (REG) shows promise as a method for noninvasive neuromonitoring, because it reflects cerebrovascular reactivity. This protocol will study clinical and technical conditions required to use REG. Additionally, our goal is to study noninvasive peripheral bioimpedance pulse waveforms in order to substitute invasive SAP. A previous study demonstrated that REG can be used to detect spreading depolarization (SD), the early sign of brain metabolic disturbance. SD can be measured invasively with DC EEG amplifiers only. Our goal is to create an automatic notification function for REG monitoring indicating change of clinical conditions.

NCT ID: NCT05060159 Completed - Clinical trials for Cognitive Impairment

Conventional Hemodialysis Versus Post-Dilution Hemofiltration in Incident RRT

DA-VINCI
Start date: January 6, 2020
Phase: N/A
Study type: Interventional

Patients with chronic kidney disease (CKD) with criteria for renal replacement therapy (RRT) including uremic syndrome, have a stable state of hyperosmolarity due to urea despite not being an osmotically inactive ion. Also, these patients have alterations in urea transporters in the central nervous system (CNS) conferring a risk of neurological involvement due to an abrupt decrease in serum urea causing manifestations of the post-dialytic syndrome. Hemodialysis results in rapid removal of urea from the blood, much faster than the equilibrium rate between the brain and the bloodstream through the blood-brain barrier, resulting in an osmotic gradient that favors movement from water to the brain, causing cerebral edema, intracranial hypertension and dialysis-associated imbalance syndrome. Conventional hemodialysis (HD) uses diffusion and primarily decreases small solutes, while hemofiltration (HF) is based on convection that provides clearance mainly of medium-size molecules and small solutes with a slower rate of reduction.

NCT ID: NCT04303065 Recruiting - Clinical trials for Traumatic Brain Injury

Dexamethasone for the Treatment of Vasogenic Pericontusional Edema.

DEXCON-TBI
Start date: July 24, 2020
Phase: Phase 3
Study type: Interventional

The DEXCON-TBI trial is a multicenter, pragmatic, randomized, triple-blind, placebo controlled trial to quantify the effects of the administration of dexamethasone on the prognosis of TBI patients with brain contusions and pericontusional edema. Adult patients who fulfil the elegibility criteria will be randomized to receive dexamethasone or placebo. Patients who have suffered a head injury and have one or more cerebral contusions with visible pericontusional edema in the CT scan can be included in the study. The doses of dexamethasone will be a short and descending course: 4mg/6 hours (2 days); 4 mg/8 hours (2 days); 2 mg/6 hours (2 days); 2 mg/8 hours (2 days); 1 mg/8 hours (2 days); 1 mg/12 hours (2 days). The primary outcome is the Glasgow Scale Outcome Extended (GOSE) performed one month and 6 months after trauma. Other secondary outcomes are: compare the number of episodes of neurological deterioration; compare the symptoms associated with TBI; compare the presence of adverse events during treatment; compare the volume of pericontusional edema before and after 12 days of treatment in both groups of patients; and compare the results of the neuropsychological tests between the two groups of patients one month and 6 months after the TBI. The main analysis will be on an ''intention-to-treat´´ basis. A descriptive analysis of the baseline variables will be made for each treatment group. Logistic regression will be used to estimate the effect of dexamethasone and placebo on GOSE at one month and at 6 months, dichotomized in unfavorable outcome (GOSE 1-6) and favorable outcome (GOSE 7-8). Since the severity of the initial injury will determine significantly the final outcome of the patient, to assess the effect of dexamethasone, efficacy will also be analyzed using the 'sliding dichotomy'. A subgroup analysis will be carried out by stratifying the patients as they present more or less than 10mL of pericontusional edema in the preinclusion CT. We will perform an interim analysis with the patients included during the first year to calculate the conditional power. An independent statistician will blindly perform this analysis. At the same time a safety analysis will be also perfomed. A study with 600 patients would have about 80% power (two sided alpha=5%) to detect a 12% absolute increased (from 50% to 62%) in good outcome.