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

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Efficacy and safety of donepezil in patients with Alzheimer’s disease in assisted living facilities

The aim of this 12-week, open-label study was to determine the safety and efficacy of donepezil in participants with Alzheimer’s disease (AD) residing in assisted living facilities (ALFs). Participants received 5 mg donepezil daily for 6 weeks followed by 10 mg daily for 6 weeks. Primary and secondary outcomes were change from baseline in Mini-Mental […]

Sertraline for the treatment of depression in Alzheimer disease

Objective: Depression is common in Alzheimer disease (AD), and antidepressants are commonly used for its treatment, however, evidence for antidepressant efficacy in this population is lacking. The authors conducted a multicenter, randomized, placebo-controlled trial titled “Depression in Alzheimer’s Disease-2” to assess the efficacy and tolerability of sertraline for depression in AD.; Methods: One hundred thirty-one […]

Randomized, placebo-controlled, clinical trial of donepezil in vascular dementia: differential effects by hippocampal size

Background and Purpose: We sought to assess the efficacy and safety of donepezil in patients with vascular dementia (VaD) fulfilling National Institute of Neurological Disorders and Stroke-Association Internationale pour la Recherche et l’Enseignement en Neurosciences criteria.; Methods: This international, multicenter, 24-week trial was conducted from March 2003 to August 2005. Patients (N=974; mean age, 73.0 […]

Docosahexaenoic acid supplementation and cognitive decline in Alzheimer disease: a randomized trial

Context: Docosahexaenoic acid (DHA) is the most abundant long-chain polyunsaturated fatty acid in the brain. Epidemiological studies suggest that consumption of DHA is associated with a reduced incidence of Alzheimer disease. Animal studies demonstrate that oral intake of DHA reduces Alzheimer-like brain pathology.; Objective: To determine if supplementation with DHA slows cognitive and functional decline […]

Assessing the relationship between health utilities, quality of life, and health care costs in Alzheimer’s disease: the CATIE-AD study

Objectives: To examine the relationship between multiple measures of health care costs and health utilities, quality of life, and other factors in Alzheimer’s Disease (AD).; Research Design: Data were obtained via caregiver proxy at baseline and 3- 6- and 9-months following study entry on 421 patients with AD who participated in the CATIE-AD trial of […]

Comparative cardiovascular safety of dementia medications: a cross-national study

Objectives: To compare the cardiovascular safety of currently marketed dementia medications in new users in the United States and Denmark.; Design: Retrospective cohort study.; Setting: Nationally representative sample of Medicare beneficiaries from 2006 through 2009 and nationwide Danish administrative registries from 1997 through 2007.; Participants: Individuals treated with a dementia medication aged 65 and older.; […]

Activity loss is associated with cognitive decline in age-related macular degeneration

Background/methods: The objective of this study was to determine whether relinquishing cognitive, physical, and social activities is associated with an increased risk of cognitive decline in patients with age-related macular degeneration (AMD). We conducted a 3-year longitudinal study of 206 nondemented patients with AMD.; Results: Twenty-three subjects (14.4%) declined cognitively. Age, sex, education, decline in […]

Postmenopausal hormone therapy and subclinical cerebrovascular disease: the WHIMS-MRI Study

Objective: The Women’s Health Initiative Memory Study (WHIMS) hormone therapy (HT) trials reported that conjugated equine estrogen (CEE) with or without medroxyprogesterone acetate (MPA) increases risk for all-cause dementia and global cognitive decline. WHIMS MRI measured subclinical cerebrovascular disease as a possible mechanism to explain cognitive decline reported in WHIMS.; Methods: We contacted 2,345 women […]

Relative effects of tamoxifen, raloxifene, and conjugated equine estrogens on cognition

Objective: To compare the relative effects of conjugated equine estrogens (CEE), raloxifene, and tamoxifen therapies on cognition among women aged > or =65 years.; Methods: Annual Modified Mini-Mental State (3MS) examinations were used to assess global cognitive function in the two randomized placebo-controlled clinical trials of CEE therapies of the Women’s Health Initiative Memory Study […]

Aerobic exercise improves cognition for older adults with glucose intolerance, a risk factor for Alzheimer’s disease

Impaired glucose regulation is a defining characteristic of type 2 diabetes mellitus (T2DM) pathology and has been linked to increased risk of cognitive impairment and dementia. Although the benefits of aerobic exercise for physical health are well-documented, exercise effects on cognition have not been examined for older adults with poor glucose regulation associated with prediabetes […]

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