View clinical trials related to Cognitive Dysfunction.
Filter by:A double-blind clinical trial of pomegranate oil and Mediterranean diet that will be carried out on 60 patients with Mild Cognitive Impairment (MCI) and APOE ε3 and ε4 allele. The aim of the research is to examine if the Mediterranean diet with pomegranate oil and without it can bring positive changes in patients with MCI in terms of motor and cognitive skills.
Impaired working memory (WM) plays a crucial role in normal aging, in mild cognitive impairment (MCI) and cognitive decline associated with dementia, such as Alzheimer's disease (AD). The aging-related differences in WM are hypothesized to be based on various neurobiological origins, for example alterations in the dynamic interplay between the large-scale brain networks have proven an important role. Recent studies have shown that non-invasive brain stimulation (NIBS) methods can modulate neuronal activity, plasticity and large-scale brain network interactions. The investigators hypothesize that multifocal NIBS can improve WM. By successive and concurrent stimulation of multiple brain regions of the WM network by transcranial alternating current stimulation (tACS) and/or repetitive transcranial magnetic stimulation (rTMS) the investigators will study dynamic interactions between distinct cortico-cortical and subcortico-cortical brain areas. By leveraging multimodal systems neuroscience information during multifocal stimulation, the investigators expect to acquire better mechanistic understand through which NIBS acts on the brain and improves cognitive functions, such as WM.
Develop a game-based upper-extremity motor and cognitive rehabilitation system using custom and adaptable virtual reality simulations on a wearable device enhanced with biosensors. Participants are stage II and stage III breast cancer survivors with lasting cognitive impairments following their first round of chemotherapy. They will be randomized 1:1 into an experimental group and a sham control group. Each group will train in the home for 8 weeks, during which they will perform up to 4 rehabilitation sessions/week (based on tolerance). Each session will start with vitals being measured and logged. Each group will have three clinical evaluations: 1) at baseline; 2) at 8 weeks post-baseline; and 3) at 16 weeks from baseline for follow up. Experimental group sessions will consist of increasingly more difficult cognitive training tasks in the form of simulated tasks. Biosensors will be sampled while participants interact with these games while wearing the computer system. Sham control group will have the same number, suration and frequency of sessions, however they will play web games while wearing some the same biosensors. Caregivers of all subjects will receive a laptop to be used in filling subjective evaluation forms and sending messages to research team. Training will be in the home, so caregivers will need to support the trials by ensuring compliance with the protocol. All subjects will undergo standardized clinical evaluations at baseline, at 8 weeks and at 16 weeks from baseline. The subjects in the experimental group will have computerized measures taken during each session, and will fill subjective evaluation forms every 4 weeks of active training.
The primary objective of the study is to assess the safety and tolerability of intravenous (IV) infusions of E2814 in participants with dominantly inherited Alzheimer's disease (DIAD), and to evaluate target engagement (TE) of E2814 on microtubule binding region (MTBR)-tau species in cerebrospinal fluid (CSF) in participants with DIAD.
This study is to evaluate whether the consumption of probiotics can improve the symptoms of patients with mild cognitive impairment; also evaluate the effects of probiotics on patients' blood, oxidation and stress related indicators.
Hypotheses: 1. Subjects with mild post-stroke cognitive impairment (PSCI) are at risk of developing vascular dementia (VaD). Maraviroc treatment in patients suffering from mild PSCI will halt its progression and improve cognitive outcome by affecting synaptic plasticity. 2. CCR5 inhibition produces an anti-inflammatory and anti-atherogenic effect by lowering macrophage infiltration and adhesion molecules. Thus, PSCI patients treated with Maraviroc will present a better inflammatory profile and a deceleration of carotid atherosclerosis, vs. placebo. Objectives: To investigate the safety and efficacy of Maraviroc 150 mg and 600 mg per day vs. placebo in patients with recent subcortical stroke who experience mild PSCI on progression/improvement of clinical symptoms of post-stroke cognitive impairment, change in disease biomarkers and inflammatory profile. The study will include 150 participants aged 50-86 years treated with Maraviroc 150mg or 600mg per day compared to placebo for 12 months in 3 sites.
The RAATE-MCI proposal is designed to determine the effects of physical activity on risk factors for Alzheimer's Disease in older African American adults. The study will compare a physical activity program to an active control group. RAATE-MCI is a 52-week randomized controlled trial. 144 African American adults aged 60 and older will be recruited.
The 2020 NIMH Strategic Plan for Research calls for investigations targeting neurobiology of mental illness across the lifespan. Growing evidence suggests that lifespan neurobiology of schizophrenia (SZ) incorporates two distinct dimensions: aging and disease course. However, their clinical correlates, associated biomarker trajectories, and implications for treatment are unknown. This study will investigate differential aspects of SZ neurobiology captured by aging and disease course, in order to develop specific biomarkers which may offer actionable targets for SZ stage-dependent intervention. The study is predicated on a novel mechanistic Model of SZ Trajectories across the Adult Lifespan, positing distinct biological fingerprints within the anterior limbic system for aging and disease course in SZ: (1) alterations in the circuit's function and structure that occur earlier in the lifespan and are larger in magnitude than the alterations expected with normal aging (accelerated aging dimension); and (2) regionally-specific anterior limbic "hyperactivity" in early SZ, with a subsequent transformation into "hypoactivity" in advanced SZ (disease course dimension). In a sample of SZ and matched healthy controls (n=168, 84/group) aged 18-75 years the investigators will ascertain a broad panel of biomarkers [via multimodal brain imaging: optimized 1H-MRS, high-resolution task-based fMRI, perfusion (Vascular Space Occupancy) and structural MRI], along with comprehensive cognitive and clinical assessments. All measures will be acquired at baseline and repeated at 2-year longitudinal follow-up. Using cutting-edge computational approaches, the study will examine (i) effects of aging and SZ course on anterior limbic system biomarkers; (ii) lifespan trajectories for different biomarkers; (iii) patterns of limbic system biomarkers in age- and SZ course-based subgroups (e.g., Younger vs. Older, Early-Course vs. Advanced SZ), as well as in data-driven subgroups (e.g., those with vs. without accelerated aging profiles); and (iv) associations between biomarkers and cognitive and clinical outcomes. This research will advance the field by providing novel biomarkers that capture unique neurobiological contributions of aging and disease course in SZ, and will motivate future studies on SZ mechanisms across the lifespan and development of precision treatments.
Brief summary: In order to get a better clinical plan for brain protection during perioperative anesthesia for high-risk patients - carotid intima stripped. We observing the hemodynamic changes of sevoflurane post-treatment in carotid intima stripped, the comparison of postoperative cognitive function and postoperative radiographic changes.
The validation of biomarkers allowing the discrimination of cognitive and behavioral disorders of psychiatric origin from those of neurodegenerative origin would facilitate diagnosis and improve patient management. Neurofilaments, which are markers of neuronal lysis, appear to be a promising biomarker. In a previous preliminary study, the investigators demonstrated significantly lower concentrations of neurofilaments in CSF of psychiatric patients compared to neurodegenerative diseases. The main objective of this study is to validate the plasma assay of neurofilament light chain as a biomarker for the differential diagnosis of psychiatric or neurodegenerative cognitive impairment. Other biomarkers of interest (Tau, TDP-43, GFAP and UCH-L1) will also be analyzed. A sub-part of this study will also focus on the retrospective analysis of the CSF/Plasma correlations of the different biomarkers mentioned above from tube bottom samples taken in routine care.