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This database contains 108 studies, archived under the term: "blood"

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Cortical oxygen supply during postural hypotension is further decreased in Alzheimer’s disease, but unrelated to cholinesterase-inhibitor use
Cerebrovascular function and structure of the cortical cerebral microvessels are profoundly altered in patients with Alzheimer’s disease (AD). The functional hemodynamic consequences of such changes, however, remain essentially unknown. Cholinesterase inhibitors (ChEIs) potentially affect brain perfusion through either augmentation or inhibition of cerebral vasodilatation. This study investigated the cerebrovascular regulation during postural changes in AD […]

Safety and changes in plasma and cerebrospinal fluid amyloid beta after a single administration of an amyloid beta monoclonal antibody in subjects with Alzheimer disease
Objectives: Active and passive immunization strategies have been suggested as possible options for the treatment of Alzheimer disease (AD). LY2062430 (solanezumab) is a humanized monoclonal antibody being studied as a putative disease-modifying treatment of AD.; Methods: Patients with mild to moderate AD were screened and selected for inclusion. Initial screening was performed for 54 subjects, […]

Diet intervention and cerebrospinal fluid biomarkers in amnestic mild cognitive impairment
Objective: To compare the effects of a 4-week high-saturated fat/high-glycemic index (HIGH) diet with a low-saturated fat/low-glycemic index (LOW) diet on insulin and lipid metabolism, cerebrospinal fluid (CSF) markers of Alzheimer disease, and cognition for healthy adults and adults with amnestic mild cognitive impairment (aMCI).; Design: Randomized controlled trial.; Setting: Veterans Affairs Medical Center clinical […]

A randomized pilot clinical trial of the safety of pioglitazone in treatment of patients with Alzheimer disease
Objectives: To evaluate the safety of the peroxisome proliferator-activated receptor gamma agonist pioglitazone in nondiabetic patients with Alzheimer disease (AD) and to explore treatment effect sizes on clinical outcomes.; Design: Double-blind, placebo-controlled randomized controlled trial of 18-month duration.; Setting: Two academic medical center outpatient clinics.; Patients: Nondiabetic patients meeting research criteria for probable AD were […]

Effect of an antioxidant drink on homocysteine levels in Alzheimer’s patients
Background: A large body of evidence supports a role of oxidative stress in Alzheimer disease (AD) and in cerebrovascular disease. Blood levels of homocysteine may be increased in AD and hyperhomocysteinemia may contribute to disease pathophysiology by vascular and direct neurotoxic mechanisms. Even in the absence of vitamin deficiency, plasma total homocysteine (tHcy) concentration may […]

Reduced prostaglandin F2 alpha release from blood mononuclear leukocytes after oral supplementation of omega3 fatty acids: the OmegAD study
Omega-3 fatty acids, e.g., dokosahexaenoic acid (DHA) and eikosapentaenoic acid (EPA), ameliorate inflammatory reactions by various mechanisms, but the role of prostaglandins remains unclear. Our aim was to determine if dietary supplementation with a DHA-rich fish oil influenced the release of PGF(2alpha) from peripheral blood mononuclear cells (PBMC). In the OmegAD study, 174 Alzheimer disease […]

Influence of lithium treatment on GDNF serum and CSF concentrations in patients with early Alzheimer’s disease
Preclinical and clinical studies gave evidence that lithium could be useful in the treatment of Alzheimer’s disease (AD). One possible mechanism of action might be the induction of neurotrophins. Recently, we found a significant increase of brain-derived neurotrophic factor (BDNF) serum levels in AD patients treated with lithium and a significant decrease of ADAS Cog […]

Effects of simvastatin on cholesterol metabolism and Alzheimer disease biomarkers
Preclinical and epidemiologic studies suggest a protective effect of statins on Alzheimer disease (AD). Experimental evidence indicates that some statins can cross the blood-brain barrier, alter brain cholesterol metabolism, and may ultimately decrease the production of amyloid-beta (Abeta) peptide. Despite these promising leads, clinical trials have yielded inconsistent results regarding the benefits of statin treatment […]

A randomized, double-blind, placebo-controlled trial of simvastatin to treat Alzheimer disease
Background: Lowering cholesterol is associated with reduced CNS amyloid deposition and increased dietary cholesterol increases amyloid accumulation in animal studies. Epidemiologic data suggest that use of 3-hydroxy-3-methylglutaryl coenzyme A (HMG-CoA) reductase inhibitors (statins) may decrease the risk of Alzheimer disease (AD) and a single-site trial suggested possible benefit in cognition with statin treatment in AD, […]

A phase 2 randomized trial of ELND005, scyllo-inositol, in mild to moderate Alzheimer disease
Objective: This randomized, double-blind, placebo-controlled, dose-ranging phase 2 study explored safety, efficacy, and biomarker effects of ELND005 (an oral amyloid anti-aggregation agent) in mild to moderate Alzheimer disease (AD).; Methods: A total of 353 patients were randomized to ELND005 (250, 1,000, or 2,000 mg) or placebo twice daily for 78 weeks. Coprimary endpoints were the […]

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