To print: Select File and then Print from your browser's menu --------------------------------------------------------------------------------------- Title: Parkinson's Institute Research Shows Nicotine Reduces Levodopa-Induced Dyskinesias URL: http://www.pslgroup.com/dg/21630E.htm Doctor's Guide October 24, 2007
SUNNYVALE, CA -- October 24, 2007 -- The Parkinson's Institute and Clinical Center today announced research showing that intermittent nicotine treatment reduces medication-induced dyskinesias by as much as 50% in models of Parkinson's disease. Lead by senior research scientist, Maryka Quik, PhD, the research will be published in an upcoming issue of the Annals of Neurology. Levodopa, the most common drug used to treat Parkinson's disease, is initially very effective. However, long-term treatment often lessens efficacy and causes multiple complications, including abnormal involuntary movements, called dyskinesias. These uncontrolled movements of the head and limbs tend to worsen over time and can become as debilitating as Parkinson's disease itself. Currently, there are only limited therapeutic options for dyskinesias, including reduction in levodopa dose, amantadine administration, and deep brain stimulation for a limited number of patients. Most of the research on tobacco has focused on its detrimental health effects. Studies conducted over the last 40 years show that the incidence of Parkinson's disease is about 50% less in smokers than in the general population. Recent studies in experimental models suggest that the nicotine in smoke may be responsible for this neuroprotective effect. In addition, this is the first research to show that nicotine may also reduce levodopa-induced dyskinesias. With an estimated 1.5 million Parkinson's disease patients in the United States, and levodopa being the top prescribed medication for Parkinson's disease, this study has far-reaching implications for the treatment of Parkinson's disease. "Our hope is that this research represents a useful treatment strategy to reduce the dyskinesias that so many Parkinson's disease patients suffer, "said Dr. Maryka Quik of the Parkinson's Institute and Clinical Center in Sunnyvale. "Reducing the side effects of levodopa makes it a much more effective and long-term treatment." SOURCE: The Parkinson's Institute --------------------------------------------------------------------------------------------- Copyright © 1999 P\S\L Consulting Group Inc. All rights reserved. Republication or redistribution of P\S\L content is expressly prohibited without the prior written consent of P\S\L. P\S\L shall not be liable for any errors, omissions or delays in this content or any other content on its sites, newsletters or other publications, nor for any decisions or actions taken in reliance on such content. --------------------------------------------------------------------------------------------- This news story was printed from *Doctor's Guide to the Internet* located at http://www.docguide.com --------------------------------------------------------------------------------------- Return to News Story Page This site is maintained by webmaster@pslgroup.com Please contact us with any comments, problems or bugs. All contents Copyright (c) 1998 P\S\L Consulting Group Inc. All rights reserved.