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The use of memantine in dementia with Lewy bodies
Marwan N Sabbagh1, Ann Marie Hake, Sahir Ahmed
1The Cleo Roberts Center for Clinical Research, Sun Health Research Institute, Sun City, AZ 85351, USA. Marwan.sabbagh@sunhealth.org
Objective:
To determine the effect of memantine in the treatment of Dementia with Lewy Bodies (DLB).
Background:
While memantine has been used to successfully treat moderate-to-severe Alzheimer's disease (AD) and some non AD dementias, no reports are available regarding the effect of the drug on DLB.
Methods:
We reviewed the charts of 11 subjects with DLB by McKeith Criteria that were prospectively evaluated and treated with memantine (with or without cholinesterase inhibitors (ChEIs)) for varying lengths of time.
Results:
9 of 11 DLB subjects on memantine were also on ChEIs. Seven of eleven were stable or improved with memantine while the remaining four worsened or responded adversely when exposed to the drug. No adverse effects on motor function were observed.
Conclusions:
Memantine can be used safely in patients with DLB, but its symptomatic effects may be variable.
Insights
Memantine shows variable effects in Dementia with Lewy Bodies (DLB) patients, with some improving and others worsening. The drug appears safe for DLB treatment, though outcomes differ.
Area of Science:
- Neurology
- Pharmacology
Background:
- Memantine is effective for Alzheimer's disease and other dementias.
- Limited data exists on memantine's efficacy in Dementia with Lewy Bodies (DLB).
Purpose of the Study:
- To evaluate the effects of memantine in patients diagnosed with Dementia with Lewy Bodies (DLB).
Main Methods:
- Retrospective chart review of 11 DLB patients meeting McKeith Criteria.
- Patients were treated with memantine, with or without cholinesterase inhibitors (ChEIs).
Main Results:
- Seven out of eleven DLB patients showed stable or improved symptoms with memantine.
- Four patients experienced worsening symptoms or adverse reactions to memantine.
- No negative impact on motor function was observed.
Conclusions:
- Memantine can be safely administered to patients with DLB.
- The symptomatic response to memantine in DLB is inconsistent.
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