L-Dopa Treatment and Parkinson's Disease
Identifieur interne : 002950 ( Main/Exploration ); précédent : 002949; suivant : 002951L-Dopa Treatment and Parkinson's Disease
Auteurs : Andrew Lees (neurologue) [Royaume-Uni]Source :
- QJM: An International Journal of Medicine [ 1460-2725 ] ; 1986-06.
Abstract
Seventeen years after its introduction, L-dopa, now administered in combination with a peripheral dopa decarboxylase inhibitor remains the most effective palliative remedy for Lewy body Parkinson's disease. A therapeutic effect to large doses is so consistent that alternative diagnoses should be considered in any patient with a Parkinsonian syndrome who fails completely to respond. Despite improving the quality of life, it probably does not influence appreciably the reduced life expectancy in Parkinson's disease and the long-term therapeutic response is frequently marred by drug-induced oscillations in motor performance, dyskinesias and psychotoxicity. Experimental studies using continuous intravenous infusions of L-dopa in order to obtain constant plasma levels suggests that additional refinements in management may be achieved by the design of a practical controlled delivery system, and prototype pumps and sustained release formulations are already under evaluation.
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DOI: 10.1093/oxfordjournals.qjmed.a067981
Affiliations:
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Le document en format XML
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<front><div type="abstract">Seventeen years after its introduction, L-dopa, now administered in combination with a peripheral dopa decarboxylase inhibitor remains the most effective palliative remedy for Lewy body Parkinson's disease. A therapeutic effect to large doses is so consistent that alternative diagnoses should be considered in any patient with a Parkinsonian syndrome who fails completely to respond. Despite improving the quality of life, it probably does not influence appreciably the reduced life expectancy in Parkinson's disease and the long-term therapeutic response is frequently marred by drug-induced oscillations in motor performance, dyskinesias and psychotoxicity. Experimental studies using continuous intravenous infusions of L-dopa in order to obtain constant plasma levels suggests that additional refinements in management may be achieved by the design of a practical controlled delivery system, and prototype pumps and sustained release formulations are already under evaluation.</div>
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