The purpose of this study is to determine the safety and efficacy of AAV-GAD gene transfer into the subthalamic nucleus (STN) region of the brain. This study involves the treatment of subjects with medically refractory Parkinson's disease (PD). The gene transfer product, a disabled virus with a gene called GAD, will be infused into the STN bilaterally using stereotactic surgical techniques. The overall goal of this approach is to normalize the activity of the STN and reduce the motor symptoms of PD. Because the change in UPDRS demonstrated a positive outcome, the sham surgery subjects from the blinded portion of the study will be invited to crossover into the Open-label Arm portion of the study. The Open-label Arm will further evaluate the safety and efficacy of AAV-GAD gene transfer into the subthalamic nucleus (STN) region of the brain.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Enrollment
44
One-time bilateral administration of rAAV-GAD at 1X10\^12 vector genomes in 35 uL.
Stanford University
Stanford, California, United States
University of Colorado
Aurora, Colorado, United States
Massachusetts General Hospital
Boston, Massachusetts, United States
Henry Ford Health Systems - Franklin Pointe Medical
Southfield, Michigan, United States
University of Rochester
Rochester, New York, United States
Wake Forest University Health Science Center
Winston-Salem, North Carolina, United States
The Ohio State University
Columbus, Ohio, United States
Evaluate a change in UPDRS scores
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