Research brief: Gene therapy brings relief to Parkinson's sufferers

Injecting a gene directly into the brain can substantially relieve the symptoms of Parkinson's disease, claim US researchers. For the study, 12 Parkinson's sufferers were treated with different doses of the gene, which was injected into the sub-thalamic nucleus, an area of the brain highly overactive in Parkinson's suffers. Tremors and rigidity were reduced by up to 65 per cent without any side-effects. A larger trial is to be expected later this year (Lancet Online 2007).

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