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Gene therapy study shows safety and statistically significant improvement in Parkinson's disease

time of surgery, while prior studies of AAV-mediated gene therapy show that gene expression gradually increases to a maximal level over a period of weeks.

“We are very encouraged by the results of this trial and its publication in such a prestigious journal,” said John Mordock, Neurologix President and Chief Executive Officer. “Since the inception of the company, we have been a leader in developing gene therapy for neurological disease, and we feel that rigorous peer-review and publication of the results from this first-ever trial is an important milestone for this entire field. These promising observations certainly warrant further, more definitive testing of Neurologix’s technology, and we anticipate beginning a larger Phase 2 study in Parkinson’s disease later this year. Moreover, the results also provide a solid foundation for the development of our other therapeutic programs, including epilepsy where we plan to initiate a Phase 1 gene therapy study this year.”

Study Design

The study included 12 patients with advanced Parkinson’s disease, with four patients in each of three dose-escalating cohorts. All procedures were performed under local anesthesia and all 12 patients were discharged from the hospital within 48 hours of the procedure. At one year, all 12 patients as a group demonstrated a clinical improvement of 25% in the Unified Parkinson’s disease Rating Scale (UPDRS) compared to baseline (p<0.005). Nine of the 12 patients showed an average of 37% and five of these patients had substantial improvement of between 40% and 65%. Clinical improvement also correlated well to metabolic changes in glucose utilization as measured by PET scan. The PET scan data revealed a significant improvement (p<0.001) in brain metabolism on the treated side of the brain compared to the untreated side. No adverse events related to the gene therapy procedure were reported throughout the duration of the 12-month study, or in the subsequent two
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Source:JKureczka@comcast.net


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