Neuroimaging studies of cholinesterase inhibitor (ChEI) treatment in Alzheimer's disease (AD) indicate that the short and long term actions of ChEIs are dissimilar. fMRI studies of the ChEI rivastigmine have focused on its short term action. In this exploratory study the effect of prolonged (20 weeks) rivastigmine treatment on regional brain activity was measured with fMRI in patients with mild...

Cholinergic dysfunction is common to Alzheimer’s dementia and Schizophrenia. The objective of this study is to undertake a systematic review and metaanalysis of the literature on the cognitive and clinical effects of cholinesterase inhibitors administered to patients with schizophrenia and co-morbid Alzheimer’s disease dementia. A literature search of the MEDLINE, CINAHL, PubMed, PsycINFO, EMBA...

OBJECTIVES The primary objective of this multicentre, prospective, observational study was to assess whether there is improvement in the patients' quality of life under treatment with rivastigmine transdermal patch, as it is evaluated both by patients and their caregivers. Compliance to treatment and safety were secondary endpoints. METHODS In total, 1509 patients with mild to moderate Alzhei...

Alzheimer's disease (AD) is one of the most common causes of dementia in the elderly. Recently, a great attention has been paid to the possible role of vascular changes in the pathogenesis of AD. Reduced microvascular density and degeneration of the endothelium are of structural cerebrovascular changes in AD. Acetylcholinesterase (AChE) inhibitors are widely used for the improvement of AD sympt...

INTRODUCTION We're assisting in last years to an important change in clinical manifestations of Parkinson disease. Nowadays motor symptoms have best treatments if we compare with those existing some decades ago, which in last term, permits other manifestations being the main disabilities in an advanced Parkinson disease. Among these disabilities cognitives are the most severe due to it's preval...

The development of selective reactions that utilize easily available and abundant precursors for the efficient synthesis of amines is a long-standing goal of chemical research. Despite the centrality of amines in a number of important research areas, including medicinal chemistry, total synthesis and materials science, a general, selective and step-efficient synthesis of amines is still needed....

A series of genistein-polyamine conjugates (4a-4h) were designed, synthesized and evaluated as multi-functional anti-Alzheimer agents. The results showed that these compounds had significant cholinesterases (ChEs) inhibitory activity. Compound 4b exhibited the strongest inhibition to acetylcholinesterase (AChE) with an IC50 value of 2.75 μmol/L, which was better than that of rivastigmine (5.60 ...

AD is a neurodegenerative disorder charaterized by progressive decline of cognitive functions.The significant deficits in presynaptic cholinergic markers observed in brains of AD patients have led to the formulation of the cholinergic hyphotesis of AD. Current approaches to the treatment of cognitive and behavioral symptoms of AD emphasize the use of cholinesterase inhibitors. Rivastigmine (Exe...

BACKGROUND Although the overall effects of cholinesterase inhibitors (CEIs) are limited, there could be a subpopulation of patients who experience unequivocal benefit. This study aimed to describe a clinical profile based on a combination of specific neuropsychological test scores and clinical symptoms associated with a favourable response to rivastigmine. METHODS A prospective cohort study w...