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Active clinical trials for "Alzheimer Disease"

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Novel Retinal Imaging Biomarkers in Early Alzheimer's Disease

Mild Cognitive ImpairmentMild to Moderate Cognitive Impairment

The goal of this study is to create new retinal imaging processing software useful for the development of novel retinal biomarkers of cognitive impairment associated with Alzheimer's disease (AD).

Completed6 enrollment criteria

Blood-brain Barrier Permeability in Alzheimer's Disease

Alzheimer's Disease

The main aim of the present study is to improve our understanding of the role of blood-brain barrier function in dementia of the Alzheimer's type. The investigators hypothesize that microvascular dysfunction - more specifically "cerebral perfusion and blood-brain barrier leakage" - is a determinant of cognitive decline and cortical atrophy in Alzheimer's disease.

Completed27 enrollment criteria

Retinal Nerve Fiber Layer Thickness and Cerebrospinal Fluid Aβ/Tau

Alzheimer Disease

To test the hypothesis that retinal nerve fiber layer (RNFL) thickness is correlated with Aβ and Tau concentration of cerebrospinal fluid (CSF) in an older population.

Completed9 enrollment criteria

Polyphenols and Risk of Dementia

DietPolyphenols6 more

This project aims to leverage existing data from a large observational prospective study on dementia, the Three-City study, to investigate the relationship between intakes of polyphenols and the risk to develop dementia in the 12 years following dietary assessment.

Completed2 enrollment criteria

Sustainable Method for Alzheimer's Prediction

Alzheimer DiseaseAmnestic-Mild Cognitive Impairment

This is an observational study with the aim of validating, in a consistent population sample, with appropriate follow-up, whether EEG connectivity analysis combined with the neuropsychological evaluation and ApoE genotype testing in aMCI could be of help in early identification of converted aMCI as a first-line screening method in order to intercept early those subjects with a high risk for rapid progression to AD.

Completed13 enrollment criteria

Development of a New Neuroimaging Method Aimed to Differentiate Mnesic Abilities of Alzheimer and...

Alzheimer DiseaseDepression

The purpose of this study is to use a new method to differentiate mnesic abilities of early alzheimer patients and patients with a depressive disorder. This method is based on the recording of cerebral activity while patients listen to familiar, unfamiliar and newly-learned music.

Unknown status8 enrollment criteria

Monetary Cost of Alzheimer's Disease in China

Alzheimer's Disease

The purpose of the study is to estimate the Chinese economic burden in patients with Alzheimer's Disease (AD).

Completed8 enrollment criteria

Daily Study of Caregiving Relationships and Health

Caregiver BurnoutDementia7 more

The purpose of the Daily Study of Caregiving Relationships and Health is to learn how caregiving relationships and social connectedness are associated with dementia caregivers' health, health behaviors, and diurnal patterns of salivary cortisol. This is a pilot study wherein the purpose is to test the feasibility and acceptability of study protocols.

Completed16 enrollment criteria

Eye Gaze Strategies During Facial Emotion Recognition in Neurodegenerative Diseases: Links With...

Alzheimer's DementiaParkinson Disease(PD)1 more

It is commonly admitted that social cognition impairment, like deficit in facial emotion recognition or misinterpretation of others' intentions (Theory of Mind), are associated with social behavior disorders. This kind of disorders are observed in Fronto-Temporal Dementia (FTD), Alzheimer's Dementia (AD) and Parkinson's Disease (PD), with severe deficits in FTD and lighter deficits in AD and PD. One explanation might be that patients apply inappropriate visual exploration strategies to decode emotions and intentions of others. This study aims to test this hypothesis and further to analyse whether different patterns emerge from these pathologies.

Completed13 enrollment criteria

Research on Aging Project in Iceland: Second Stage

AtherosclerosisOsteoporosis4 more

Background: - Researchers are interested in studying the environmental and genetic factors that play a role in health and living conditions as people age. Since 2002, the U.S. National Institute on Aging and the Icelandic Heart Association Research Institute have been conducting a long-term study known as the Research in Aging project to collect personal data and samples from Icelandic men and women in order to study risk factors related to disease and disability in old age. Researchers plan to initiate a second stage of the study. Objectives: - To collect additional personal information, medical records, and blood samples from individuals who have previously provided materials for the Research in Aging Project in Iceland. Eligibility: - Individuals who have previously participated in the Research in Aging project in association with the U.S. National Institute on Aging and the Icelandic Heart Association Research Institute. Design: Participants will have a physical examination with imaging analysis procedures and hearing and eye tests, provide information on health and diet, and provide a 100-ml blood sample for testing. Participants will also provide consent for researchers to consult data and samples collected during the first stage of the Research on Aging project.

Completed1 enrollment criteria
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