Parkinson's Disease News covers all significant new research, reports, books, and resources concerning Parkinson's Disease. Articles are chosen on the basis of their medical significance or potential interest. Our overwhelming priority is the facts, regardless of whether they contradict prevailing views or vested interests. Analysis and further information are provided either to explain the background or implications, or to balance misleading claims. If you notice errors or inadequacies, or dispute what is written, or want to propose articles, please e-mail [email protected].


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12th November 2013 - New research


Lancet [2013] Oct 31 [Epub ahead of print] (J.Cummings, S.Isaacson, R.Mills, H.Williams, K.Chi-Burris, A.Corbett, R.Dhall, C.Ballard) Complete abstract

Parkinson's Disease psychosis, which includes hallucinations and delusions, is frequent and debilitating in some people with Parkinson's Disease. Pimavanserin, which is a serotonin 5-HT2A inverse agonist that is presently being assessed, aims to treat Parkinson's Disease psychosis. A clinical trial assessed the effect of Pimavanserin. 

They took 40mg pimavanserin per day. The primary measure was the antipsychotic benefit using the Parkinson's disease-adapted scale for assessment of positive symptoms (SAPS-PD). According to the Parkinson's disease-adapted scale for assessment of positive symptoms (SAPS-PD) those people taking pimavanserin reduced their score by 5.79 compared with a reduction of 2.73 by those taking a placebo. Over 10% of the patients discontinued because of an adverse event. However, in previous clinical trials there was either no effect Complete abstract, or it was beneficial for some but not all measures of psychosis Complete abstract. For more news go to Parkinson's Disease News.

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