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Alzheimer's Disease (AD) clinical trials

View clinical trials related to Alzheimer's Disease (AD).

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NCT ID: NCT05771428 Recruiting - Clinical trials for Alzheimer's Disease (AD)

Study to Assess Adverse Events, Change in Disease Activity and How Oral ABBV-552 Capsules Moves Through the Body of Participants Aged 50 to 90 Years With Mild Alzheimer's Disease

Start date: April 27, 2023
Phase: Phase 2
Study type: Interventional

Alzheimer's disease (AD) is a progressive, irreversible neurological disorder and is the most common cause of dementia in the elderly population. Clinical symptoms of the disease may begin with occasional forgetfulness such as misplacement of items, forgetting important dates or events, and may progress to noticeable memory loss, increased confusion and agitation, and eventually, loss of independence and non-responsiveness. This study will assess how safe and effective ABBV-552 is in treating symptoms of early AD. Adverse events, change in disease activity, how ABBV-552 moves through body of participants and the body response to ABBV-552 will be assessed. ABBV-552 is an investigational drug being developed for the treatment of Alzheimer's disease (AD). Study doctors put the participants in 1 of 4 groups (3 active dose groups and a placebo group), called treatment arms. Each group receives a different treatment. There is a 1 in 4 chance that participants will be assigned to placebo. Approximately 240 participants aged 50-90 years with mild AD will be enrolled in approximately 60 sites across the world. Participants will receive oral ABBV-552 or placebo capsules once daily for 12 weeks and followed for 30 days after the last dose of study drug. There may be higher treatment burden for participants in this trial compared to their standard of care. Participants will attend regular visits during the study at a hospital or clinic. The effect of the treatment will be checked by medical assessments, blood tests, checking for side effects and completing questionnaires.

NCT ID: NCT05291234 Recruiting - Clinical trials for Alzheimer's Disease (AD)

A Study to Assess Safety of ABBV-916 and How Intravenous ABBV-916 Moves Through Body and Affects Brain Amyloid Plaque Clearance in Adult Participants (Aged 50-90 Years) With Early Alzheimer's Disease

Start date: August 15, 2022
Phase: Phase 2
Study type: Interventional

Alzheimer's disease (AD) is a progressive, irreversible neurological disorder and is the most common cause of dementia in the elderly population. Clinical symptoms of the disease may begin with occasional forgetfulness such as misplacement of items, forgetting important dates or events, and may progress to noticeable memory loss, increased confusion and agitation, and eventually, loss of independence and non-responsiveness. This study will assess how safe and effective ABBV-916 is in treating early AD. Adverse events, change in disease activity, and how ABBV-916 moves through body of participants will be assessed. ABBV-916 is an investigational drug being developed for the treatment of early AD. This study is conducted in 2 stages. Stage A is a multiple ascending dose study. There is a 1 in 4 chance that participants are assigned to receive placebo. Stage B is a proof-of-concept study. In Stage B, there is a 1 in 5 chance that participants will be assigned to receive placebo. The first 6 months of this study are "double-blind," which means that neither the trial participant nor the study doctors know which treatments will be given. This will be followed by a 2-year extension period in which all participants will receive ABBV-916. Approximately 195 participants aged 50-90 years will be enrolled in about 90 sites across the world. Participants will receive intravenous (IV) doses of ABBV-916 or placebo once every 4 weeks (Q4W) for 24 weeks and will be followed for an additional 16 weeks. Participants will have the option of participating in a 2-year, open-label, Extension Period receiving IV ABBV-916. There may be higher treatment burden for participants in this trial compared to their standard of care. Participants will attend regular visits during the study at a hospital or clinic. The effect of the treatment will be checked by medical assessments, magnetic resonance imaging (MRI), blood tests, checking for side effects and completing questionnaires.

NCT ID: NCT05059158 Recruiting - Clinical trials for Alzheimer's Disease (AD)

Amyloid-β Clearance Mechanisms in Alzheimer's Disease

AmyClearAD
Start date: June 1, 2021
Phase:
Study type: Observational

The focus of this study is to examine the protein-plaque clearance (Aß) in relation to the blood-brain-barrier, the glymphatic system, brain lymphatic system and enzymatic degradation. In order to achieve this aim the investigators intend to study participants with a Subjective Cognitive Decline, Mild Cognitive Impairment and a mild Alzheimer's disease.

NCT ID: NCT04715399 Recruiting - Clinical trials for Amyotrophic Lateral Sclerosis(ALS)

UPenn Observational Research Repository on Neurodegenerative Disease

UNICORN
Start date: May 29, 2020
Phase:
Study type: Observational

The aim of this study is to create a repository of both cross-sectional and longitudinal data, including cognitive, linguistic, imaging and biofluid biological specimens, for neurodegenerative disease research and treatment.

NCT ID: NCT04570761 Recruiting - Clinical trials for Alzheimer's Disease (AD)

Effects of Auditory Brain Stimulation by "Pink Noise" on Memory Capacities in Alzheimer's Disease: Proof of Concept Study

PINK-AD
Start date: March 11, 2021
Phase: N/A
Study type: Interventional

Alzheimer's disease (AD) is a neurodegenerative disorder affecting almost 6% of the world's population over the age of 65. This disease, in its most typical sporadic form, is characterized by an episodic memory impairment linked to a deficit in consolidation. Many studies indicate that sleep promotes this consolidation stage during the deep slow sleep stage by facilitating the transfer of information between the hippocampus and the neocortex. A method of acoustic brain stimulation at night by pink noises has been recently developed and has shown its effectiveness in strengthening memory consolidation in healthy volunteers. Actually, there is no study observing the effect of this new stimulation method on populations with neurodegenerative pathologies, in particular in AD for which this technique could potentially become a therapeutic option. The hypothesis is that of a strengthening of the memory consolidation capacities in subjects with AD as has been shown in healthy subjects.

NCT ID: NCT02854033 Recruiting - Clinical trials for Mild Cognitive Impairment (MCI)

Alzheimer's Disease Neuroimaging Initiative 3 (ADNI3)

ADNI3
Start date: October 2016
Phase:
Study type: Observational

Since its launch in 2004, the overarching aim of the Alzheimer's Disease Neuroimaging Initiative (ADNI) has been realized in informing the design of therapeutic trials in AD. ADNI3 continues the previously funded ADNI-1, ADNI-GO, and ADNI-2 studies that have been combined public/private collaborations between academia and industry to determine the relationships between the clinical, cognitive, imaging, genetic and biochemical biomarker characteristics of the entire spectrum of Alzheimer's disease (AD). The overall goal of the study is to continue to discover, optimize, standardize, and validate clinical trial measures and biomarkers used in AD research.

NCT ID: NCT02832921 Recruiting - Clinical trials for Alzheimer's Disease (AD)

Cognitive-motor Intervention Using Virtual Reality for Middle-aged Individuals at High Dementia Risk

Start date: July 2016
Phase: N/A
Study type: Interventional

The primary objective of this program is to apply a virtual reality (VR) cognitive-motor intervention (compared to active and passive control groups) to delay or slow cognitive decline of middle-aged adults who have a family history of Alzheimer's disease (AD) and thus are at particularly high risk of developing the disease.