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Gene therapy of Parkinson's disease

Gene therapy involves the use of a non-infectious virus to shuttle a gene into a part of the brain. The gene used leads to the production of an enzyme that helps to manage PD symptoms or protects the brain from further damage. In 2010 there were four clinical trials using gene therapy in PD. There have not been important adverse effects in these trials although the clinical usefulness of gene therapy is still unknown. One of these reported positive results in 2011, but the company filed for bankruptcy in March 2012.

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