Idiopathic Parkinson's disease
Modified Hoehn and Yahr Scale Stages I through III
Age greater than or equal to 30 years old
Patients or their partners must use adequate contraceptive methods
Patients who are willing and able to comply with scheduled visits, treatment plan,
laboratory tests, and other study procedures and do not plan on traveling extensively
during the study
Atypical Parkinson's disease syndromes due to drugs, metabolic disorders, encephalitis, or
Levodopa received for 1-year accumulated interval in the last two years.
Dopamine agonist medications or catechol-o-methyl transferase inhibitors in the 30 days
prior to baseline.
Unstable dose regimes of hypnotics, anxiolytics or antidepressants
History of stereotaxic brain surgery, psychosis or active epilepsy within past year.
Participation in clinical trial within the previous 30 days.
Malignant melanoma or history of melanoma
Significant medical or pshychiatric condition