London: The first set of stroke patients who took part in pioneering stem cell treatment trials have shown signs of improvement, doctors have disclosed.Six patients, who had human stem cells inserted close to the damaged part of their brain, have since witnessed improvements in the limb weakness that they suffered as a result of their stroke.In one case, a man who underwent the treatment regained the power of speech after the stem cells of an aborted 12-week-old baby were injected into his brain.However, doctors have cautioned against reading too much into the early results of the clinical trial, a world first for neural stem cell therapy for stroke victims.The trial led by Glasgow University neurologist Professor Keith Muir, is being conducted at the Institute of Neurological Sciences at the Southern General Hospital in Glasgow. “So far we`ve seen no evidence of any harmful effects. We`re dealing with a group of people a long time after a stroke with significant disability and we don`t really expect these patients to show any change over time,” the Telegraph quoted Muir as telling the BBC.
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