SOUTH SAN FRANCISCO, Calif.--(BUSINESS WIRE)--Genentech, a member of the Roche Group (SIX: RO, ROG; OTCQX: RHHBY), today announced that a pivotal Phase II clinical study of its investigational Hedgehog Pathway Inhibitor, vismodegib (RG3616/GDC-0449), showed positive results in people with advanced basal cell carcinoma (aBCC), a particularly severe and debilitating form of skin cancer. The study met its primary endpoint (overall response rate), of showing vismodegib shrank tumors in a pre-defined percentage of people in the study. A preliminary safety assessment showed the most common adverse events were consistent with previous experience with vismodegib. A detailed safety assessment is ongoing.