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This database contains 438 studies, archived under the term: "USA"

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Effect of TTP488 in patients with mild to moderate Alzheimer’s disease

Background: TTP488, an antagonist at the Receptor for Advanced Glycation End products, was evaluated as a potential treatment for patients with mild-to-moderate Alzheimer’s disease (AD). A previous report describes decreased decline in ADAS-cog (delta = 3.1, p = 0.008 at 18 months, ANCOVA with multiple imputation), relative to placebo, following a 5 mg/day dose of TTP488. Acute, reversible cognitive […]

Promoting health in early-stage dementia: evaluation of a 12-week course

This project tested a 12-week health promotion course for older adults with early-stage dementia. In a quasi-experimental design, participants were assigned by site to intervention group or control group and evaluated at two time points. Mini-Mental State Examination scores, Geriatric Depression Scale scores, health behaviors, plus several measures of psychological well-being were used in this […]

Collaborative care management reduces disparities in dementia care quality for caregivers with less education

Objectives: To examine educational gradients in dementia care and whether the effect of a dementia collaborative care management intervention varied according to the educational attainment of the informal caregiver.; Design: Analysis of data from a cluster-randomized controlled trial.; Setting: Eighteen clinics in three healthcare organizations in southern California.; Participants: Dyads of Medicare recipients aged 65 […]

Depression as a risk factor or prodromal feature for dementia? Findings in a population-based sample of Swedish twins

This study tested whether history of depression is associated with an increased likelihood of dementia, and whether a first depressive episode earlier in life is associated with increased dementia risk, or whether only depressive episodes close in time to dementia onset are related to dementia. Depression information came from national hospital discharge registries, medical history, […]

The effects of counseling spouse caregivers of people with Alzheimer disease taking donepezil and of country of residence on rates of admission to nursing homes and mortality

Objective: Does psychosocial intervention for caregivers whose spouses with Alzheimer disease (AD) are taking donepezil delay nursing home (NH) placement or death of patients?; Design: Randomized controlled trial with 2 years of active treatment and up to 8.5 years of follow-up (mean: 5.4 years, SD: 2.4).; Setting: Outpatients of research clinics in Australia, the United […]

Effects of distraction and pictorial illustration on memory for countries in older adults with probable Alzheimer’s disease

Eight participants with probable Alzheimer’s disease (AD) were trained to recall names of countries using the spaced-retrieval memory intervention. Six training sessions were administered on alternate days over a 2-week period. Half of the participants studied a target country alone and the other half studied a target country along with eight distractor countries. Training stimuli […]

Neuropsychological criteria for mild cognitive impairment improves diagnostic precision, biomarker associations, and progression rates

We compared two methods of diagnosing mild cognitive impairment (MCI): conventional Petersen/Winblad criteria as operationalized by the Alzheimer’s Disease Neuroimaging Initiative (ADNI) and an actuarial neuropsychological method put forward by Jak and Bondi designed to balance sensitivity and reliability. 1,150 ADNI participants were diagnosed at baseline as cognitively normal (CN) or MCI via ADNI criteria […]

Yogic meditation reverses NF-κB and IRF-related transcriptome dynamics in leukocytes of family dementia caregivers in a randomized controlled trial

Background: Although yoga and meditation have been used for stress reduction with reported improvement in inflammation, little is known about the biological mechanisms mediating such effects. The present study examined if a yogic meditation might alter the activity of inflammatory and antiviral transcription control pathways that shape immune cell gene expression. Methods: Forty-five family dementia […]

Results of the citalopram to enhance cognition in Huntington disease trial

Background: The objective of this study was to evaluate citalopram for executive functioning in Huntington’s disease (HD).; Methods: The study was randomized, double-blind, and placebo-controlled. Thirty-three adults with HD, cognitive complaints, and no depression (Hamilton Depression [HAM-D] rating scale ≤ 12) were administered citalopram 20 mg or placebo (7 visits, 20 weeks), with practice and […]

A pilot study of the effects of internet-based cognitive stimulation on neuropsychological function in HIV disease

Purpose: Mild cognitive deficits associated with HIV disease can affect activities of daily living, so interventions that reduce them may have a long-term effect on quality of life. We evaluated the feasibility of a cognitive stimulation program (CSP) to improve neuropsychological test performance in HIV disease.; Methods: Sixty volunteers (30 HIV-infected) participated. The primary outcome […]

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