LONDON (AP) — An experimental treatment improved symptoms of Parkinson's disease in a mid-stage test, echoing results of an earlier pilot study.
The new research is the first to show positive results in a test of gene therapy against a sham operation in about three dozen U.S. Parkinson's patients.
After six months, those who got the gene therapy scored 23 percent better on a standard test to measure motor skills while those who got the sham operation did about 13 percent better.
"Gene therapy is no longer just a theory," said Michael Kaplitt, a neurosurgeon at New York-Presbyterian Hospital and Weill Cornell Medical Center, and one of the study authors. "We are getting …
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