Roctavian nearly zeroes out bleeds, prophylaxis need over 7 years
A single dose of Roctavian (valoctocogene roxaparvovec-rvox) nearly zeroed out the number of bleeds and the need for prophylaxis, or preventive therapy, for as long as seven years — the longest follow-up to date for any hemophilia A gene therapy clinical trial. While most of the 12 patients…