lisuride , a semisynthetic dopaminergic ergot derivative , was administered in 34 patients with parkinson 's disease ( mean age 67.5 years , average duration of illness 7.1 years , mostly stage iv ) in an average oral dosage of 1.2 to 1.5 mg ( range 0.4 to 3.0 mg ) in addition to basic treatment with levodopa and decarboxylase inhibitor .
C0030567
parkinson 's disease
C0023570
levodopa