Rotigotine: The first transdermal nonergot-derived dopamine agonist for the treatment of Parkinson disease


Parkinson disease (PD) is a chronic, progressive neurodegenerative disorder affecting approximately 1% of people aged >60 years. Levodopa has long been the cornerstone of PD treatment, but many patients receiving long-term levodopa therapy experience dyskinesia and motor fluctuations. Dopamine agonists act directly on dopamine receptors and are associated with a lower incidence of dyskinesias. There are 2 subclasses of dopamine agonists: ergot-derived and nonergot-derived. The use of ergot-derived dopamine agonists has declined in recent years due to the agents' association with valvular heart disease. Nonergot-derived dopamine agonists such as ropinirole and pramipexole are used more widely in the treatment of PD. Rotigotine is a nonergot-derived dopamine agonist that was approved by FDA on May 9, 2007, for the treatment of early-stage idiopathic PD. Rotigotine is the first approved nonergot-derived dopamine agonist that is delivered continuously through a transdermal silicone-based patch that is replaced..

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