SOUTH SAN FRANCISCO, Calif.& CAMBRIDGE, Mass.--(BUSINESS WIRE)--Genentech, Inc. and Biogen Idec (Nasdaq:BIIB) today announced that the companies submitted two supplemental Biologics License Applications (sBLAs) to the U.S. Food and Drug Administration (FDA) for Rituxan® (rituximab) plus standard chemotherapy for people with previously untreated or treated chronic lymphocytic leukemia (CLL). The companies will request a priority review, and if granted, anticipate the FDA will make a decision within six months.