Effects of Talampanel on Patients With Advanced Parkinson's Disease
Dyskinesias, Parkinson Disease, Movement Disorders
About this trial
This is an interventional treatment trial for Dyskinesias focused on measuring Involuntary Movements, Abnormal Movements, Advanced Parkinson's disease, Levodopa induced dyskinesia
Eligibility Criteria
Inclusion Criteria: Troublesome on-period dyskinesias as defined by a Unified Parkinson's Disease Rating Scale (UPDRS) dyskinesia sub-score >25% of Duration of dyskinesia during waking hours and 33 must have moderate disability Lang-Fahn dyskinesia rating score more than 2 for at least two of the 5 tasks Must have Dyskinesia on average 25% of waking hours/day based on Patient Diaries Have been diagnosed with Parkinson's disease > 5 years at Screening Exclusion Criteria: Previous surgical therapies for PD Isolated or predominantly diphasic dyskinesias Moderate Dementia On disallowed concomitant medications including CYP3A4 inhibitors and inducers, amantadine, etc.
Sites / Locations
Arms of the Study
Arm 1
Arm 2
Experimental
Placebo Comparator
1
2
75mg per day (in 3 doses) Talampanel for 22 days
3 doses a day for 22 days