Active clinical trials for "Neurocognitive Disorders"

The aim of this study is to examine the effects of different but safe levels of arterial oxygen levels used in cardiac surgeries on cerebral oxygenation during the operation. It is also to investigate the effect on cognitive functions in the postoperative period. For our study the investigators will conduct a randomized control trial. Patients will be randomly assigned to one of two possible study groups according to the arterial oxygen levels.If there is any abnormality in cerebral oxygen levels during surgery, necessary intervention will be made by doctors.

Olfactory identification deficits occur in patients with Alzheimer's disease (AD), are associated with disease severity, predict conversion from mild cognitive impairment (MCI) to AD and are associated with healthy elderly subjects developing MCI. Odor (olfactory) identification deficits may reflect degeneration of cholinergic inputs to the olfactory bulb and other olfactory brain regions. Acetylcholinesterase inhibitors (ACheI) like donepezil show modest effects in improving cognition but can be associated with adverse effects and increased burden and costs because of the need for prolonged, often lifelong, treatment. Converging findings on odor identification test performance (UPSIT, scratch and sniff 40-item test) from four pilot studies, including two of our own, suggest that acute change in the UPSIT in response to an anticholinergic challenge (atropine nasal spray), incremental change over 8 weeks, and even the baseline UPSIT score by itself, may predict cognitive improvement with ACheI treatment in MCI and AD. If change in odor identification deficits can help to identify which patients should receive ACheI treatment, this simple inexpensive approach will advance the goal of improving personalized treatment, improve selection and monitoring of patients for ACheI treatment, reduce needless ACheI exposure with risk of side effects, and decrease health care costs.

This project's main goal is to use state-of-the-art passive sensing techniques to identify digital biomarkers that relate to bioenergetic changes in the brain due to nicotinamide riboside supplementation in those with mild cognitive impairment and mild Alzheimer's dementia.

The goal of this prospective observational multicentric cohort study is to evaluate the clinical prognostic value of the speech tracking score of language development in children with ASD aged from 3 years to 4 years and half at inclusion. Participants will followed during 4 years with an annual visit. During these visits, each participant will be clinically evaluated (scales and tests) and performed an EEG-HR recording. Two groups will be formed, one with children diagnosed with ASD with language delay, and a control group composed of non-ASD children without language delay, matched on age and gender with the ASD group.

This cluster randomized pragmatic clinical trial will test the effectiveness and feasibility of embedding the Tele-Savvy intervention, a psychoeducational program for family and other informal caregivers of older adults living in the community with Alzheimer's disease and related dementia (ADRD), in two health care systems/clinical sites: UConn Health in Farmington, Connecticut, and Emory Healthcare in Atlanta, Georgia.

The Healthy Patterns Study intervention is a home-based activity intervention designed to improve symptoms of circadian rhythm disorders (CRD) and quality of life (QOL) in home-dwelling persons with dementia. We will use a randomized two-group parallel design of 200 people with dementia and their caregivers assigned to intervention or attention control groups.

This study seeks to evaluate the efficacy and safety of NA-83 in subjects with mild cognitive impairment due to Alzheimer's Disease

The specific aims of this studyare to examine the 1) feasibility; 2) acceptability; and 3) preliminary efficacy of a tailored music intervention in home-dwelling older adults with dementia suffering from sleep disruption. Sixty dyads (older adults with dementia and their caregivers) will be randomized to receive the tailored music intervention immediately or following a four week delay.

Alzheimer disease is the most common neurodegenerative brain disease that causes cognitive impairment in the elderly but also behavioral and psychological symptoms. Among these symptoms, agitation is one of the most dangerous because it put the patient and their caregivers in danger. Sleep disorders can be the cause of many psychiatric symptoms leading directly or indirectly to agitation. Music therapy is the non-drug therapy which has been shown to be the most effective in managing agitation and sleep disorders. With the MAGE protocol, the investigators propose to take care of behavioral disorders in severe Alzheimer patients living in nursing home through sequences of music therapy (stimulation, relaxation) automatically initiated by an actigraph that will detect sleep disorders. These subjects will be exposed for 2 weeks over a month. Behavioral and sleep disorders will be evaluated objectively by actigraphy but also by standardized scales, as the others neuropsychiatric symptoms found classically in this disease. Thanks to this project, the investigators hope to improve the quality of life of these patients by preventing them from putting themselves in danger, by reducing their neuropsychiatric symptoms and their use of medication, which has often deleterious side effect and also by reducing the workload of caregivers.

Background: - Some people with human immunodeficiency virus (HIV) develop problems with thinking and concentration when the virus affects the brain. This is known as mild neurocognitive disorder (MND). Research has shown that some HIV medications do not get through the blood brain barrier very well. P-glycoprotein (P-gp) is a brain protein that is part of the blood brain barrier. Differences in the activity of P-gp may help explain why some people with HIV develop MND. It is also possible that MND is partly due to inflammation in the brain. Researchers want to study P-gp and its effect on MND and HIV infection. Objectives: - To study P-gp and brain inflammation related to HIV infection. Eligibility: Individuals between 18 and 60 years of age who have HIV and either do or do not have MND. Healthy volunteers between 18 and 60 years of age. Design: Participants will be screened with a medical history and physical exam. Blood and urine samples will be collected. Participants will have one outpatient visit and one 3-day inpatient stay. At the outpatient visit, participants will provide blood samples and have a lumbar puncture (spinal tap). The spinal tap will collect cerebrospinal fluid for study. At the inpatient visit, participants will have two positron emission tomography (PET) scans of the brain. These scans will study brain activity and possible inflammation. One scan will involve a study drug called tariquidar, which blocks the activity of P-gp. A second lumbar puncture will be done before the first PET scan. Blood and urine samples will be collected daily.