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      Efficacy of Olanzapine in the Treatment of Psychosis in Dementia with Lewy Bodies

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          Abstract

          Objective: This study sought to determine whether patients with dementia with Lewy bodies (DLB) and psychosis responded to treatment with olanzapine. Methods: This was a post hoc analysis of a subgroup of patients with DLB included in a larger double-blind, placebo-controlled, randomized parallel group trial of olanzapine for the treatment of psychosis in patients with Alzheimer’s disease. Patients meeting the consensus criteria for DLB and exhibiting parkinsonism and visual hallucinations were selected from the initial study. Psychosis was assessed with the Neuropsychiatric Inventory/Nursing Home (NPI-NH) version and the Brief Psychiatric Rating Scale (BPRS). Extrapyramidal symptoms were evaluated with the Simpson-Angus scale. Results: Twenty-nine patients met the criteria for DLB; 10 were randomized to placebo, 5 received 5 mg of olanzapine, 7 received 10 mg of olanzapine and 7 received 15 mg of olanzapine. Patients with DLB treated with 5 mg of olanzapine showed significant reductions in delusions and hallucinations. Patients treated with 10 mg showed a significant reduction in the NPI-NH delusion subscale score. No significant differences were found between the 15-mg group and the placebo group. Confirmatory findings emerged from an analysis of the BPRS. Caregivers reported decreased disruptions in their occupational routines for the group receiving 5 or 10 mg of olanzapine. There was no significant exacerbation of parkinsonian symptoms in any study group, no decrement in Mini-Mental State Examination scores in any of the treatment groups, and symptoms suggestive of anticholinergic toxicity did not differ among treatment groups. Conclusions: This preliminary analysis suggests that olanzapine (5 or 10 mg) reduces psychosis in patients with DLB without worsening parkinsonism.

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          Most cited references 4

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          The Prevalence and Management of Dementia and Other Psychiatric Disorders in Nursing Homes

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            Accuracy of the Clinical Diagnoses of Lewy Body Disease, Parkinson Disease, and Dementia With Lewy Bodies

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              Donepezil for treatment of dementia with Lewy bodies: a case series of nine patients.

              Dementia with Lewy bodies (DLB) is common. Symptomatic treatment can be difficult. We reviewed nine consecutive patients with DLB (mean age 77.5 [range 67 to 84] years; seven men and two women; mean duration of disease 3.7 [range 1.5 to 8.0] years) who had been treated with donepezil. Each initially received 2.5 to 5 mg per day of donepezil, and was stabilized on 5 mg per day. Donepezil was increased to 10 mg per day in five patients. The mean observation period was 12 (range 8 to 24) weeks. Target symptoms included cognition, hallucinations, parkinsonism, and functional abilities. By both cognitive testing and family reports, cognition improved in seven of nine patients, remained the same in one of nine, and fluctuated in one of nine (mean Mini-Mental State Examination change 4.4 +/- 6.3 points). Function was improved or maintained in six of nine patients and fluctuated in two of nine. Hallucinations initially worsened, then fluctuated in one patient, but improvement in frequency, duration, and content was reported in eight of nine cases. In three of nine patients, treatment with donepezil resulted in worsening of parkinsonism, which in each case responded to levodopa/carbidopa. Treatment of DLB patients with donepezil for 12 weeks most commonly improved hallucinations, and sometimes improved cognition and overall function. Treatment with donepezil was sometimes associated with worse parkinsonism.
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                Author and article information

                Journal
                DEM
                Dement Geriatr Cogn Disord
                10.1159/issn.1420-8008
                Dementia and Geriatric Cognitive Disorders
                S. Karger AG
                1420-8008
                1421-9824
                2002
                February 2002
                15 February 2002
                : 13
                : 2
                : 67-73
                Affiliations
                Departments of aNeurology and bPsychiatry and Biobehavioral Sciences, UCLA School of Medicine, Los Angeles, Calif., and cLilly Research Laboratories, Eli Lilly Co., Indianapolis, Ind., USA
                Article
                48636 Dement Geriatr Cogn Disord 2002;13:67–73
                10.1159/000048636
                11844887
                © 2002 S. Karger AG, Basel

                Copyright: All rights reserved. No part of this publication may be translated into other languages, reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, microcopying, or by any information storage and retrieval system, without permission in writing from the publisher. Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in government regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug. Disclaimer: The statements, opinions and data contained in this publication are solely those of the individual authors and contributors and not of the publishers and the editor(s). The appearance of advertisements or/and product references in the publication is not a warranty, endorsement, or approval of the products or services advertised or of their effectiveness, quality or safety. The publisher and the editor(s) disclaim responsibility for any injury to persons or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements.

                Page count
                Tables: 2, References: 51, Pages: 7
                Categories
                Original Research Article

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