Sangamo BioSciences, Inc. announced that the U.S. Food and Drug Administration (FDA) has cleared the Company's Investigational New Drug application (IND) for its SB-525 gene therapy program for the treatment of  hemophilia A. The IND is now active and enables clinical development to assess the safety, tolerability and potential efficacy of SB-525 in adults with hemophilia A. SB-525 is one of four lead development programs for which Sangamo is planning to conduct clinical trials i 2017. Sangamo is evaluating SB-FIX, an in vivo genome editing therapy for hemophilia B, in a Phase 1/2 clinical trial, with sites currently screening patients for the study. This year Sangamo will also conduct two Phase 1/2 clinical trials evaluating in vivo genome editing therapies for lysosomal storage disorders MPS I (SB-318) and MPS II (SB-913).