Phase 1 Study of the Hedgehog Pathway Inhibitor IPI-926 in Adult Patients with Solid Tumors Cancer Clinical Research, doi:10.1158/1078-0432.CCR-12-3654 Weiss, G. J., Miller, W. H., Chang, A. S., Sharfman, W. H., Ross, R. W., Rudin, C. M. 2013; 19 (10): 2766-74