COMT inhibition: A new treatment strategy for Parkinson's disease

Matthias C. Kurth, Charles H. Adler

Research output: Contribution to journalArticle

66 Scopus citations

Abstract

During the initial stages of Parkinson's disease, treatment with levodopa plus a decarboxylase inhibitor (carbidopa or benserazide) provides adequate control of symptoms. However, as the disease progresses, the clinical response to treatment often begins to fluctuate, becoming increasingly correlated with fluctuations in plasma concentrations of levodopa-the 'wearing-off' phenomenon. Many strategies have attempted, with various degrees of success, to increase the availability of levodopa and its active metabolites, thus reducing these fluctuations in response. This review focuses on the role of the new catechol O-methyltransferase (COMT) inhibitors tolcapone and entacapone as adjuncts to levodopa therapy. These agents act effectively and safely to increase the amount of levodopa that is available to enter the brain by extending the half-life of levodopa, resulting in more stable levels in the plasma and prolonging 'on' time.

Original languageEnglish (US)
Pages (from-to)S3-S14
JournalNeurology
Volume50
Issue number5 SUPPL. 5
StatePublished - May 27 1998

ASJC Scopus subject areas

  • Clinical Neurology

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