Erkinjuntti, T. and Kurz, A. and Small, G. and Bullock, R.A. and Lilienfeld, S. and Damaraju, C.V. (2003) An open-label extension trail of galantamine in patients with probable vascular dementia and mixed dementia. Clinical Therapeutics, 25 (6). pp. 1765-2336. ISSN 0149 2918.
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Background: Alzheimer's disease (AD) and vascular dementia (VaD) are the most common types of dementia worldwide. Galantamine, an acetylcholinesterase inhibitor and allosteric nicotinic modulator, has shown broad clinical benefits in patients with mild to moderate dementia due to AD, probable VaD, or AD with cerebrosvascular disease (CVD)—so-called mixed dementia. Objective: The purpose of this study was to evaluate the efficacy and safety profiles of galantamine 24 mg/d in patients with VaD or AD with CVD over the longer term (>6 months). Methods: This was an open-label extension of a 6-month double-blind study of galantamine. Patients who had been randomized to receive galantamine 24 mg/d or placebo in the double-blind phase were eligible to continue open-label treatment with galantamine 24 mg/d for 6 months. The primary efficacy end point was change in cognition, based on scores on the 11-item Alzheimer's Disease Assessment Scale-cognitive subscale (ADAS-cog/11). Secondary measures included changes in functional ability (as measured on the Disability Assessment for Dementia [DAD]) and behavior (as measured on the Neuropsychiatric Inventory [NPI]). Safety and tolerability were also monitored. Results: Four hundred fifty-nine patients (240 men, 219 women; mean [SE] age, 75.2 [0.33] years) entered the open-label phase. Of these patients, 195 (42.5%) had a diagnosis of probable VaD, and 238 (51.9%) had a diagnosis of AD with CVD; the remainder had an inconclusive diagnosis. At month 12 of the study, improvements from baseline (the start of the double-blind phase) in ADAS-cog/11 scores were observed in both the group that received placebo during the double-blind phase (placebo/galantamine group: −0.3 point; 95% CI, −1.64 to 1.06) and the group that received galantamine during the double-blind phase (galantamine/galantamine group: −0.9 point; 95% CI, −1.73 to 0.03). Improvement in functional ability was demonstrated by statistically significant mean (SE) changes from baseline in DAD score in both the placebo/galantamine group (−7.4 [1.68]; P ≤ 0.001) and the galantamine/galantamine group (−3.6 [1.33]; P ≤ 0.01). There was no significant change in mean (SE) NPI scores in either group (0.2 [0.98] and 0.1 [0.70], respectively). Galantamine treatment was well tolerated. Conclusions: In these patients with VaD and AD with CVD, galantamine treatment produced similar sustained benefits in terms of maintenance of or improvement in cognition (ADAS-cog/11), functional ability (DAD), and behavior (NPI) after 12 months.
|Divisions:||Faculties > Science Technology and Medical Studies > Kent Institute of Medicine and Health Sciences (KIMHS)|
|Depositing User:||M.P. Stone|
|Date Deposited:||09 Sep 2008 10:15|
|Last Modified:||09 Sep 2008 10:15|
|Resource URI:||http://kar.kent.ac.uk/id/eprint/12094 (The current URI for this page, for reference purposes)|
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