ASH Clinical News ACN_4.7_FULL_ISSUE_DIGITAL | Page 13

UP FRONT participants in the study to lead active lifestyles without the need to take any clotting factor. This work has made a real difference to the people who volunteered to participate in the trials and the results have far-reaching implications for the larger hemophilia patient population. Then, later that month, the biotech company that I co- founded, Spark Therapeutics, received regulatory approval for the first adeno-associated viral (AAV) gene-therapy product in the U.S., for a rare form of con- genital blindness. I’m extremely proud of that. “If you’re really trying to solve a problem, ... remember that you own all the problems – not just the [ones] that you like.” On the other side, have you ever had any major disappointments in your career – and how did you handle th