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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].

                                           

 

8th November 2014 - New research

DELAYING L-DOPA IN PARKINSON'S DISEASE

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During the past decade, a number of large drug trials have suggested that the initiation of L-dopa therapy should be delayed in order to reduce the risk of motor complications in people with Parkinson's Disease.

Researchers therefore assessed what happened when L-dopa was withheld for a long time after somebody had developed Parkinson's Disease. They studied Ghana, because in Ghana access to medication for Parkinson's Disease means that initiation of L-dopa is often delayed for many years after the onset of Parkinson's Disease. Their data was compared to people with Parkinson's Disease in Italy, where the use of L-dopa is initiated far earlier. Demographic features, frequency and severity of motor and non-motor symptoms were comparable in the two populations. Although L-dopa therapy was introduced much later in Ghana, the duration of Parkinson's Disease when motor fluctuations and dyskinesias started was similar to people in Italy who initiated the use of L-dopa far earlier.

Instead of how early L-dopa was initiated, what was most associated with motor fluctuations and dyskinesias was (1) the duration of Parkinson's Disease and (2) the daily dose of L-dopa (mg/kg of body weight). The average time to the development of motor fluctuations and dyskinesias after the initiation of L-dopa was surprisingly short as it was only six months.

Reference : Brain [2014] 137 (10) : 2731-2742 (R.Cilia, A.Akpalu, F.S.Sarfo, M.Cham, M.Amboni, E.Cereda, M.Fabbri, P.Adjei, J.Akassi, A.Bonetti, G.Pezzoli)  Complete abstract  For more news go to Parkinson's Disease News

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2014-12-26 16:46:05
 
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