SOUTH SAN FRANCISCO, Calif.--(BUSINESS WIRE)--Genentech, Inc., a wholly owned member of the Roche Group (SIX: RO, ROG; OTCQX: RHHBY), announced today that the company submitted a supplemental Biologics License Application (sBLA) to the U.S. Food and Drug Administration (FDA) for Herceptin® (trastuzumab) plus chemotherapy in people with advanced, HER2-positive adenocarcinoma of the stomach, including gastroesophageal junction cancer. The application is based on positive results from a Phase III study, known as ToGA, which showed that people who received Herceptin plus chemotherapy lived longer compared to people who received chemotherapy alone.