Active clinical trials for "Brain Diseases"

This prospective observational study is designed to assess the individualized baseline disease burden in pediatric participants aged 1 year to 16 years, with early-onset SCN2A-DEE by characterizing and quantifying changes in clinical features over a period of up to 12 months.

It is planned to integrate various services based on computer vision technologies for analysis of the certain type of x-ray study into Moscow Unified Radiological Information Service (hereinafter referred to as URIS). As a result of using computer vision-based services, it is expected: Reducing the number of false negative and false positive diagnoses; Reducing the time between conducting a study and obtaining a report by the referring physician; Increasing the average number of radiology reports provided by a radiologist per shift.

Currently, the Movement Disorders Society (MDS)-UPDRS scale remains the gold standard to document the outcomes in clinical trials for Parkinson's disease (PD). The MDS-UPDRS is far from infallible, as it is based on subjective scoring (using a rather crude ordinal score), while execution of the tests depends on clinical experience. Not surprisingly, the scale is subject to both significant intra- and inter-rater variability that are sufficiently large to mask an underlying true difference between an effective intervention and placebo. Digital biomarkers may be able to overcome the limitations of the MDS-UPDRS, as they continuously collects real-time data, during the patient's day to day activities. In this study the investigators are interested in developing algorithms to track progression of bradykinesia, gait impairment, postural sway, tremor, physical activity, sleep quality, and autonomic dysfunction (the latter being derived from e.g. skin conductance and changes in heart rate variability).

There is very little data related to the natural history of disease from covert HE (MHE and grade 1 HE) to overt HE (grades II, III and IV) in ACLF, with implications on long-term neurological recovery after an episode of overt HE. The evolution and pathogenesis of HE is well described in ALF and cirrhosis, but the dynamic changes in HE in ACLF in response to therapy such as ammonia reduction measures, antibiotics to target sepsis and inflammation, measures to alter dysbiosis such as probiotics or fecal microbiota transplant, and measures to target immune dysfunction such as steroids in alcohol-associated hepatitis. The central role of ammonia in the pathogenesis of HE in ACLF has been challenged by recent data. The approach to HE in ACLF has now refocused on systemic and neuro-inflammation, gut dysbiosis, immune dysregulation, and multi-omics approach. Most importantly, the modulation of the metabolome in response to therapy and interventions, and the use of sedatives, paralytic agents, antibiotics etc. in ACLF with HE in a real-world setting has not been reported.

The purpose of this study is to develop a database containing clinical and laboratory information for patients with Leigh syndrome. The goal is to provide a greater understanding of Leigh syndrome allowing further characterization of this disease.

The purpose of this study is to learn more about stroke and obtain information that may serve as the basis for future investigations. It will 1) establish a registry of patients with cerebrovascular disease (stroke); 2) characterize the natural history of acute stroke and transient ischemic attacks (TIA) an interruption of blood flow to the brain that causes stroke symptoms for a short period of time); and 3) evaluate the data to generate ideas for future studies. Patients 18 years of age or older with suspected acute stroke or TIA may be eligible for this study. Subjects will be recruited from patients who present with stroke at the emergency department of Suburban Hospital in Bethesda, Maryland. The study will gather data collected from diagnostic and laboratory tests the patient undergoes as part of standard medical care, including findings of medical and neurological examinations and other tests. In addition, studies will be done for research purposes only to gather data about stroke and TIA. These may include the following: Blood and urine tests not more than 2 tablespoons of blood will be drawn for various tests. Electrocardiogram (EKG) (heart tracing) electrodes placed on the chest wall detect the heartbeat and heart rhythm. Computed tomography (CT) scan of the head specialized X-rays are used to obtain images of the brain. Magnetic resonance imaging (MRI) of the brain a strong magnetic field and radio waves are used to produce images that provide information about the brain tissue and blood vessels. Transcranial Doppler (TCD) sound waves are used to image the arteries of the brain and neck. Echocardiogram sound waves are used to image the heart and evaluate heart function. Patients may be asked to return to Suburban Hospital for follow-up testing in 1, 3, and/or 12 months, when some of these tests may be repeated to assess changes over time

to examine the relationship between repeated concussions and late decline of brain function. In addition, all participants agreeing to participate in the study will be asked to will their brains to The Krembil Neuroscience Centre Concussion Project at the Toronto Western Hospital with the consent and full knowledge of their families and doctors. However, it is possible to participate in the research without agreeing to a brain donation. The Project Team is specifically attempting a clinical-MRI-brain tissue research analysis to determine the exact mechanism of the damage to brain tissue following repeated concussions. This condition is known as chronic traumatic encephalopathy (CTE), and shows an abnormal protein in the brain called tau-protein.

Hepatic encephalopathy is the most common complication after TIPS, and hepatic encephalopathy occurs in almost all portosystemic shunts. For patients with severe upper gastrointestinal bleeding or refractory ascites in the decompensated chronic hepatitis B, transjugular intrahepatic portosystemic shunt (TIPS) is a very effective treatment. However, due to the severe complications such as hepatic encephalopathy after TIPS, the clinical application of TIPS is limited. Literature studies have shown that the incidence of encephalopathy after TIPS is about 35%. TIPS reduces the portal vena blood flow into the liver by establishing a new channel. But at the same time, the toxic substances from the gastrointestinal tract and other organs do not enter the liver to detoxify, and are more likely to enter the brain, leading to hepatic encephalopathy. Moreover, studies have found that the liver and the intestine originate from the same germ layer and are closely related to each other in anatomy and function. There are a large number of microorganisms living in the intestinal tract. Normally, the intestinal tract, as the first defense of the human body, can effectively prevent bacteria and their products from entering the bloodstream. In cirrhosis and portal hypertension, blood return disorder causes intestinal damage. A series of microbes and product endotoxins such as gram-negative bacteria will enter the blood through the injury, and the toxins in the peripheral blood will enter the brain and cause hepatic encephalopathy happened. The research team's early treatment plan with integrated traditional Chinese and Western medicine proved that it greatly reduced the incidence of hepatic encephalopathy after TIPS. And improve the clinical symptoms and signs of patients with liver cirrhosis, and improve the quality of life and survival of patients.

The HyperArc registry is designed to collect data from which the efficacy of the HyperArc procedure can be assessed and compared to alternative treatments.

The incidence of brain metastases is expected to increase because of better treatments of primary tumours. Novel diagnostic and therapeutic techniques are continuously being developed, all of which need thorough evaluation before they can be implemented in clinical routine. Randomized Controlled Trials are the gold standard to do so, but they have shown many challenges, especially when applied in a cancer setting. .The 'cohort multiple Randomized Controlled Trial (cmRCT)' design is a promising design for multiple (simultaneous) randomized evaluations of experimental interventions, with potential for increased recruitment, comparability and long-term outcomes as a standard. This design will speed up the process of translating treatment innovations to the daily clinic.