Preliminary results of AAV-mediated gene therapy for Crigler Najjar syndrome Preliminary results from the European gene therapy trial for Crigler-Najjar syndrome, conducted by Genethon in collaboration with European network CureCN, were presented at the EASL (European Association for the Study of the Liver) annual International Liver Congress on June 26. Based on initial observations, the drug candidate is well tolerated and the first therapeutic effects have been demonstrated, to be confirmed as the trial continues. Crigler-Najjar syndrome is a rare genetic liver disease characterized by abn...