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Sinforiani E.,Alzheimers Disease Assessment Unit | Pasotti C.,Alzheimers Disease Assessment Unit | Chiapella L.,Alzheimers Disease Assessment Unit | Malinverni P.,Alzheimers Disease Assessment Unit | Zucchella C.,Alzheimers Disease Assessment Unit
Aging Clinical and Experimental Research | Year: 2012

Background and aims: Memantine is an uncompetitive N-methyl-D-aspartate receptor antagonist. Clinical and observational studies have demonstrated its efficacy on both cognitive and behavioral symptoms of moderate-to-severe Alzheimer's disease (AD) and described its good safety and tolerability profile. We report here our experience with memantine in patients with AD during a two-year follow-up. Methods: From June 2005 to May 2010, memantine was given to 201 outpatients with moderate-to-severe AD: 93 patients were concomitantly receiving treatment with acetyl cholinesterase inhibitors (AChEIs) (Group 1) and the other 108 were prescribed memantine as monotherapy (Group 2). All patients were administered the following scales: Mini Mental State Examination, Activities of Daily Living, Instrumental Activities of Daily Living, Neuropsychiatric Inventory. We report the results of followup assessments conducted at six months and 1, 2 and 3 years. Results: Sixteen patients (8%) stopped treatment within the first month because of side-effects. In each group, about 20% of subjects showed no deterioration at six months and 1 year, and this proportion decreased only slightly at 2 years. Higher NPI scores at baseline and psychotropic drug use emerged as factors significantly related to reduced response to treatment (p<0.01). Conclusions: Results confirmed the short-term effect of memantine, both in monotherapy and in combination with AchEIs in moderate-to-severe AD. This efficacy, albeit slight, was found to persist in the longer term. ©2012, Editrice Kurtis. Source

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