Experts at the University of Pittsburgh School of Medicine are leading the second arm of a clinical trial using gene therapy to relieve the symptoms of tremor and mobility impairment in patients with Parkinson's disease. The technique shows promise in prolonging the effectiveness of levo-dopa, the mainstay treatment for the progressive neurodegenerative condition, by increasing production of a key enzyme essential to convert the drug into the neurotransmitter dopamine.
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