The purpose of this observational study is the long term follow-up of Parkinson's patients who participated in a clinical trial in which they received AAV-GAD gene transfer into the subthalamic nucleus (STN) region of the brain. Patients will be followed once a year for up to five (5) years. The study will monitor and evaluate the long term effects of AAV-GAD and provide long term safety information.
Study Type
OBSERVATIONAL
Enrollment
40
Stanford University
Stanford, California, United States
University of Colorado
Aurora, Colorado, United States
Massachusetts General Hospital
Boston, Massachusetts, United States
Henry Ford Health Systems
Southfield, Michigan, United States
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Wake Forest University Health Science Center
Winston-Salem, North Carolina, United States
The Ohio State University
Columbus, Ohio, United States