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Alzheimer's & Memory Trials

Memory and cognition research, including Alzheimer's and early cognitive change. 793 recruiting now nationwide.

Recruiting

Predictive Factors of Autonomy Loss in Real-life Cohort

Memory Disorders

The Alzheimer's disease or related disorders (ADRD) are among the most disabling diseases because of their main features such as cognitive impairment, loss of functional autonomy and behavioural disorders. In absence of current curative treatment, the identification of the predictive risk factors of progression of the disease, evaluated through its main symptoms, represents a major stake of public health. The Investigators aim at developing a regional database, which includes the patient medical records on a prospective basis, in collaboration with the medical and administrative staff and with the University hospital computer science departments. The main objective is to study the predictive factors associated with change in functional autonomy level, measured every 6 to 12 months in centres across Region Auvergne Rhone-Alpes in France. The real-life study population will consist in about 5400 patients with ADRD. The inclusion period will be of 3 years, the length of follow-up of each patient will be of 10 years max for a total study length of 13 years.

Multiple locations18+ yrsAll genders
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Speech and Language Interventions for Italian People With PPA

Primary Progressive Aphasia(PPA)

Primary progressive aphasia (PPA) is an umbrella term used to refer to several clinical variants that manifest as an insidious deterioration of speech/language skills, usually due to frontotemporal lobar degeneration and/or Alzheimer's disease. Consensus criteria have been proposed by an international community regarding the sub-classification of PPA into three variants: (1) semantic variant PPA, characterized by impaired confrontation naming and single-word comprehension; (2) logopenic variant PPA), characterised by word-finding difficulties and sentence repetition deficits; and (3) non-fluent variant, characterised by agrammatism with or without apraxia of speech. Speech and language therapists (SLTs) play a crucial role in the diagnostic process and in setting a therapeutic path along with monitoring the evolution of the clinical picture. Despite growing evidence supporting the benefits of speech-language intervention, the frequency with which individuals with PPA are referred for speech and language services, is suboptimal likely due to skepticism regarding the value of speech and language therapy in the context of neurodegeneration, the scarcity of SLTs with expertise in the treatment of PPA, the lack of awareness regarding the role of the SLT amongst referrers, and the geographical barriers that impede access to in-person speech and language services. In Italy, patients with PPA are rarely offered treatment options due to a lack of understanding of the disorder on the part of health professionals and erroneous assumptions regarding the utility of treatment in patients facing a worsening prognosis. The primary aim of this pilot study is to develop tailored speech and language interventions for patients with different variants of PPA by addressing their linguistic and cognitive difficulties. Secondly, to explore the intervention's effect also on untreated tasks and assess the long-term maintenance of the proposed interventions by monitoring patients for up to six months. Finally, in each PPA variant, the investigators aim to investigate which variables among the sociodemographic, clinical, linguistic/cognitive, and brain MRI features at baseline predict successful clinical results, as well as which structural and functional brain changes are associated with speech and language improvements.

Multiple locations40–85 yrsAll genders
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FACE Phase II (a Stage II Trial)

MCI · Subjective Cognitive Decline (SCD) · Mild Behavioral Impairment

How to ensure adherence to computerized cognitive training in unsupervised circumstances (e.g., at-home, self-administered) in older adults at risk for Alzheimer's disease (AD) or AD related dementia (AD/ADRD) is understudied. The objective of the R33 study is to test a novel facial expression-based personalization engine (FPE) for monitoring and modulating real-time effective engagement, with an ultimate goal of enhancing long-term adherence in unsupervised cognitive training in older adults at risk for AD/ADRD. Here, Effective engagement is defined as the extent to which someone is actively engaged and performing with significant attention and enjoyment while training, addressing a balance between adherence and cognitive gains/plasticity from the training. Based on previous work, the hypotheses include that (1) mental fatigue revealed in facial expressions will reflect a trainee's degree of effective engagement, which can be modified by modulating task novelty; (2) the proposed FPE will ensure the effective engagement in cognitive training by monitoring trainee facial expressions and modulating training in response, promoting the trainee's long-term adherence to the training and cognitive plasticity. A Stage II intervention efficacy study will be conducted to compare effective engagement and adherence in unsupervised cognitive training between training programs with vs. without FPE in older adults at risk for AD/ADRD. The proposed FPE may assist in monitoring and improving effective engagement and adherence in older adults with unsupervised cognitive training. In the current application, FPE in a cognitive training program called speed of processing training will be tested. However, such FPE may be embedded to any computerized cognitive training in future studies to help address adherence related issues.

Palo Alto, CA60–89 yrsAll genders
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The Mito-Frail Trial: Effects of MitoQ on Vasodilation, Mobility and Cognitive Performance in Frail Older Adults

Frailty · Mild Cognitive Impairment · Aging

The goal of this clinical trial is to test the effects of MitoQ supplementation in older adults and frail older adults with physical dysfunction and/or cognitive dysfunction. The main question\[s\] it aims to answer are: * To compare vascular function, oxidative stress levels, and physical and cognitive function among older adults and frail older adults with physical and cognitive dysfunction * To determine whether MitoQ supplementation has the potential to improve vascular function in central and cerebral vessels * To determine whether MitoQ supplementation can enhance physical and cognitive capabilities.

Farmington, CT65–80 yrsAll genders
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A Study to Assess the Safety and Effects of ABBV-1758 Following Subcutaneous or Intravenous Injections in Participants With Alzheimer's Disease

Alzheimer's Disease

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. The purpose of this study is to test how safe ABBV-1758 is, how well it works, how the body processes it and what effects it has on the body. ABBV-1758 is an investigational drug being developed for the treatment of Alzheimer's disease. This study is conducted in 3 stages. Stage A is a multiple ascending dose study with a 1 in 5 chance (4:1 randomization) that participants are assigned to receive placebo. Stage B is a dose expansion phase, also using 4:1 randomization for ABBV-1758 or placebo. Stage C enrolls Japanese and Chinese participants with the same randomization scheme. Approximately 210 participants will be enrolled at about 55 sites in the United States, China, and Japan. Participants will receive intravenous (IV) or subcutaneous (SC) doses of ABBV-1758 or placebo once every 4 weeks (Q4W) for 24 weeks and will be followed for additional 12 weeks in the Follow-up Period. Participants will have the option of participating in a 12-month, blinded Extension Period receiving ABBV-1758 or placebo based on amyloid PET results. There may be higher treatment burden for participants in this trial compared to their standard of care due to study procedures. Participants will attend regular visits during the study at a hospital or clinic. The safety of the treatment will be checked by medical assessments, blood tests, and completing questionnaires.

Irvine, CA +5 more50–90 yrsAll genders
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Olfactory Training in Mild Cognitive Impairment

Mild Cognitive Impairment

Sense of smell tends to decline in individuals with early Alzheimer's disease, typically earlier than when other senses and thinking abilities begin to decline. Memory for new odors is particularly diminished in these individuals. Existing treatments for AD do not improve these symptoms. A targeted treatment for improving sense of smell, called 'Olfactory Training', has been used to improve sense of smell in people with various forms of smell loss, though it is not known whether it can improve smell abilities and thinking abilities in patients who are at high risk of developing Alzheimer's disease. The investigators will conduct a randomized clinical trial with patients who have mild cognitive impairment (MCI). This is an early phase of memory loss that is worse than normal aging and may precede Alzheimer's disease. Patients will be randomized to either olfactory memory training or visual memory training for 3 months, with a final follow-up visit at 6 months. This study will attempt to determine if olfactory training is a useful for improving smell abilities, thinking abilities, and everyday functioning by examining change in these outcomes over time.

New York, NY55–89 yrsAll genders
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Characterizing Variability in Hearing Aid Outcomes in Among Older Adults With Alzheimer's Dementia

Hearing Loss, Sensorineural · Dementia of Alzheimer Type · Amnestic Mild Cognitive Impairment

This current translational project, funded by NIH, aims to better understand the impact of various signal modification strategies for older adults with Alzheimer's dementia and its potential precursor, known as amnestic mild cognitive impairment. The investigators hypothesize that adults with Alzheimer's dementia represent an extreme case of restricted cognitive ability, such that very low working memory capacity and overall reduced cognitive capacity will limit benefit from advanced signal processing. Thus, the investigators hypothesize that adults with Alzheimer's dementia will receive greater benefit from acoustically simple, high-fidelity hearing aid processing that minimally alters the acoustic signal.

Chicago, IL50–90 yrsAll genders
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Closed-Loop Brain Stimulation as a Potential Intervention for Cognitive Decline

Mild Cognitive Impairment

The goal of this clinical study is to investigate the effectiveness of non-invasive stimulation to enhance cognitive control abilities in cognitively healthy adults and older adults diagnosed with mild cognitive disorder (MCI). The main questions it aims to answer are: * whether it is possible to restore various cognitive functions in older adults diagnosed with MCI by delivering theta burst stimulation (TBS), a form of transcranial magnetic stimulation, and * whether closed-loop TBS is able to induce therapeutic benefits that outperform open-loop TBS. Participants play a cognitive video game while a brain-computer interface (BCI) analyzes their electroencephalogram (EEG) signals and decodes the presence or absence of the contingent negative variation (CNV) potential, a marker of cognitive control. The BCI triggers TBS when its outputs indicate that the participant is not engaged properly in the video game. Researchers will compare the effects of sham, closed-loop, and open-loop TBS using the outcome metrics described below to see how much cognitive restorations is achievable with each stimulation modality.

Austin, TX18–90 yrsAll genders
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Effect of Acetylcholinesterase Inhibitors on Bone Metabolism

Osteoporosis

People with Alzheimer's disease are at an increased risk of bone fracture. Some studies have shown that those taking donepezil have a lower rate of bone fractures, but the reasons for this are unknown. The purpose of this study is to measure the effect of donepezil treatment on bone metabolism factors including bone mineral density, bone turnover markers, and bone quality. Participants in this study will have a bone density test and have blood samples collected at the baseline study visit. Participants will then be randomly assigned to donepezil or matching memantine to be taken daily by mouth for 12 months. Blood samples will be collected at 6 and 12 months. A repeat bone density test will be performed at 12 months. Participants will also complete questionnaires at each study visit.

Durham, NC50+ yrsAll genders
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Language, Speech and Motor Function in MCI Due to AD and Alzheimer's Disease

Alzheimer's Disease · MCI Due to AD · Dementia Alzheimers

The goal of this observational cross-sectional study is to explore the characteristics of language, speech, and motor function in persons with Mild Cognitive Impairment due to Alzheimer's disease ("MCI due to AD") and persons with mild and moderate Alzheimer's disease ("AD"). This study aims to: * Explore motor, speech, and language functions in MCI due to AD and mild and moderate AD. * Combine the characteristics of motor, language, and speech functions to gain more insight into the association of language, speech, and motor changes during MCI due to AD and mild and moderate AD. Researchers will compare the outcomes to an age-matched control group without cognitive impairment. Participants will undergo: * Two motor function tests to assess gait and hand grip strength. * Four language and speech function tests to assess spontaneous speech and verbal fluency..

Multiple locationsAll agesAll genders
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I-CARE Rural Pilot: Intervention for Rural-Dwelling Dementia Caregivers

Caregiver Burden · Alzheimer Disease

The purpose of this study is to assess feasibility and to estimate efficacy of our app "Brain CareNotes" for dementia caregivers who reside in a rural setting (as defined by RUCA codes 4 through 10). The Brain CareNotes app is designed to reduce informal caregiver burden of those caring for individuals with Alzheimer's disease and related dementias (ADRD) and behavioral and psychological symptoms of dementia (BPSD) of individuals with ADRD. The study will enroll up to 60 rural caregivers of community-dwelling individuals living with ADRD. Caregivers will be randomized to use the Brain CareNotes app or an attention control education-only app for six months, with usage reminders.

Bloomington, IN18+ yrsAll genders
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