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October 26, 2005
Studies Find Memantine Treatment Improves Specific Symptoms of Alzherimer's
Howard Feldman, MD, Head, Division of Neurology, University of British Columbia, Vancouver, Canada, presented data here at the 18th congress of the European College of Neuropsychopharmacology (ECNP), to show that treatment significantly reduced the decline in patients' ability to dispose of litter, clear a table, hold a conversation, find their belongings, watch television and groom themselves compared to placebo. Dr. said that memantine also provided benefits compared to placebo on autonomy, simple motor skills and praxis, higher level functions and basic activities of daily living.
Autonomy assessed ability to use a telephone, watching television, travelling and being left alone; simple motor skills included clearing litter, turning a tap on and off, and turning a light on. Higher-level functions included holding a conversation, finding belongings, getting a drink and turning a light off. The basic activities of daily living were listed as eating, walking, going to the toilet, bathing, grooming, dressing and clearing a table.
The post hoc analysis looked at the total scores, individual items and subscales on the intention to treat populations. There were no differences between the placebo and memantine treated groups at baseline in the analysed studies. The patients had a mean age of 76, and 63-72 per cent were women. About 90 per cent were white and Mini Mental State Examination (MMSE) scores were 8.1 for the placebo group and 7.7 in the memantine monotherapy trial and 10,2 for placebo and 9.9 for the memantine treated group in the combination with donezepil group.
The studies had previously reported improvement in the total score of the 19-item Alzheimer's Disease Cooperative Study-Activities of Daily Living Inventory (ADCS-ADL-19- ) suggesting that memantine treatment improved functional decline relative to placebo. Dr Feldman said a health economics analysis of the trial that added memantine to stable donezepil therapy was needed to assess the impact of the functional improvements noted. A previous Resource Utilization in Dementia (RUD) study of the monotherapy trial, he commented, indicated that memantine treatment inpatients with moderate to severe Alzheimer's disease reduces total healthcare and societal costs.
'Treatments that reduce functional deterioration may reduce caregiver and health care provider burden, as well as maximizing the quality of life for individuals with Alzheimer's disease' Dr Feldman said.
The research was funded by Forest Laboratories Inc.
Citation: Journal of the European College of Neuropsychopharmacology, Volume 15 (2005), Supplement 3, Page S570.
[Presentation title: Memantine and Individual Activities of Daily Living in Moderate to Severe Alzheimer's Disease. Abstract P.5.031]
Source: Mark Pownall. Studies Find Memantine Treatment Improves Specific Symptoms of Alzherimer's Disease: Presented at ECNP (26 October 2005) [FullText]
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