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Second Dose Of Gene Therapy For Inherited Blindness Proves Safe In Animal Studies, University of Pennsylvania School of Medicine Study  
3/4/2010 8:55:32 AM

University of Pennsylvania -- PHILADELPHIA – Gene therapy for a severe inherited blindness, which produced dramatic improvements last year in 12 children and young adults who received the treatment in a clinical trial, has cleared another hurdle. The same research team that conducted the human trial now reports that a study in animals has shown that a second injection of genes into the opposite, previously untreated eye is safe and effective, with no signs of interference from unwanted immune reactions following the earlier injection.
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