Decades of painstaking research have recently begun to yield gene therapy products that are delivering meaningful benefits to human health. The approvals of voretigene neparvovec-rzyl (Luxturna) for inherited vision loss, tisagenlecleucel (Kymriah) for lymphoblastic leukemia, and axicabtagene ciloleucel (Yescarta) for lymphoma have ushered in a new era of therapeutics. With the rapid evolution of the…