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In the National Parkinson Foundation publication "Parkinson Disease:  
Medications, 3d edition,2006, it states "With the use of levodopa for several  years, 
many patients will develop fluctuating responses to the drug which can be  
broadly divided into "On" and "off" motor states".  Under "Side Effects" it  
states "Several recent studies report a significantly higher rate of dyskinesia  
in persons who took levodopa compared to those who took the dopamine agonists  
drugs, ropinirole or pramipexole".
 
In the discussion of Pramipexole and Ropinirole, it states "Studies have  
shown that these medications can be used in relatively early PD, and   provide 
sufficient relief of symptoms to delay the need for the introduction of  
levodopa in some patients.  Most Parkinson's specialists will prescribe a  dopamine 
agonist in a newly diagnosed patient instead of levodopa, due to the  decreased 
risk of dyskinesia".  It goes on to say "Recent studies indicate  that 
dopamine agonists may also be neuroprotective, meaning that they may  prevent or 
delay death of dopamine producing brain cells".
 
 



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