Richard J. Caselli, M.D.

The purpose of this study is to study the structure and biochemistry of the brain and/or bodily fluid and tissue after death.  Comparison of specimens from normal and diseased individuals provide essential clues that lead to a greater understanding of the diseased state which, in turn, will lead to new ideas for therapy.

The purpose of this study is to use a specific gene panel to assist in the diagnosis of a hereditary form of young onset dementia.

The purpose of the Alzheimer's Prevention Registry GeneMatch program is to identify a large group of people interested in participating in research studies or clinical trials based in part on their genetic background. This genetic information will be used to match interested individuals to studies, providing a recruitment resource to the Alzheimer's scientific community. Interested individuals should visit www.endALZnow.org/GeneMatch to join the GeneMatch program.

This study consists of two parts, Part I and Part II. The purpose of Part I of the study is to assess the efficacy and safety of verubecestat (MK-8931) compared with placebo administered for 104 weeks in the treatment of amnestic mild cognitive impairment (aMCI) due to Alzheimer's Disease (AD), also known as prodromal AD. Participants will be randomized to receive placebo, or 12 mg or 40 mg verubecestat, once daily. The primary study hypothesis for Part I is that at least one verubecestat dose is superior to placebo with respect to the change from baseline in the Clinical Dementia Rating scale-Sum of Boxes (CDR-SB) score at 104 weeks. Participants who complete Part I of the study may choose to participate in Part II, which is a long term double-blind extension to assess efficacy and safety of verubecestat administered for up to an additional 260 weeks. In Part II, all participants will receive either 12 mg or 40 mg verubecestat, once daily.

The purpose of this trial is to assess the efficacy and safety of MK-8931 compared with placebo in the treatment of amnestic mild cognitive impairment (aMCI) due to Alzheimer's Disease (AD), also known as prodromal AD. Participants will be randomized to receive placebo, or 12 mg or 40 mg MK-8931, once daily. The primary study hypothesis is that at least one MK-8931 dose is superior to placebo with respect to the change from baseline in the Clinical Dementia Rating scale-Sum of Boxes (CDR-SB) score at 104 weeks.

The purpose of this study is to determine the effects of CNP520 on cognition, global clinical status, and underlying AD pathology, as well as the safety of CNP520, in people at risk for the onset of clinical symptoms of AD based on their age, APOE genotype and elevated amyloid.

The purpose of this study is to test whether two investigational drugs called CAD106 and CNP520, administered separately, can slow down the onset and progression of clinical symptoms associated with Alzheimer's disease (AD) in participants at the risk to develop clinical symptoms based on their age and genotype.

This study consists of two parts, Part I and Part II. The purpose of Part I of the study is to assess the efficacy and safety of MK-8931 compared with placebo administered for 78 weeks in the treatment of Alzheimer's Disease (AD). The primary study hypotheses for Part I are that at least one MK-8931 dose is superior to placebo at 78 weeks of treatment with respect to change from Baseline in Alzheimer's Disease Assessment Scale Cognitive Subscale (ADAS-Cog) score and that at least one MK-8931 dose is superior to placebo at 78 weeks of treatment with respect to change from Baseline in Alzheimer's Disease Cooperative Study Activities of Daily Living Inventory (ADCS-ADL) score. The first approximately 400 participants entering Part I of the study are identified as the Safety Cohort. Participants who complete Part I of the study may choose to participate in Part II, which is a long term double-blind extension to assess efficacy and safety of MK-8931 administered for up to an additional 260 weeks.