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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].

                                           

 

1st January 2015 - New research

CLINICAL TRIALS OF SUBCUTANEOUS L-DOPA

 CLICK HERE FOR A PRINTABLE OR WHITE BACKGROUND VERSION OF THIS ARTICLE

NeuroDerm has announced results of Phase IIa pharmacokinetic Study of ND0612H and ND0612L. They led to clinically-significant plasma levels of L-dopa. ND0612 is a combination of L-dopa and carbidopa in a liquid formula administered continuously sub-cutaneously through a patch pump. ND0612 is designed to provide steady L-dopa blood levels for the reduction of motor complications in Parkinson's Disease. There is a high dose form ND0612H. For more information go to ND0612H  There is a low dose form of ND0612 called ND0612L. For more information go to ND0612L

L-dopa plasma levels were found to be proportionate to the dose. ND0612H achieved maximum daytime concentrations of 1,333ng/ml and 1,436ng/ml. With oral entacapone the levels were even higher, at 1,807ng/ml. ND0612L achieved lower maximum daytime concentrations of 528ng/ml and 477ng/ml. With oral entacapone the L-dopa levels were slightly higher, at 596ng/ml. Fluctuations in L-dopa plasma levels were markedly reduced when compared with oral L-dopa. Treatment with ND0612L and ND0612H did not raise safety and tolerability concerns, causing only minimal and transient local reactions at the infusion site. Due to the short half-life of oral L-dopa, patients are required to take multiple L-dopa doses daily. This results in sharp fluctuations in L-dopa levels which are associated with erratic "off" and "on" periods experienced by many patients.

Continuous sub-cutaneous L-dopa administration using ND0612 can overcome this limitation without having to undergo invasive surgical procedure. For more information go to Neuroderm  For more news go to Parkinson's Disease News

 

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2015-01-01 14:57:04
 
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