Spectrum Pharmaceuticals announced that it has entered into an agreement to acquire licensing rights to market ZEVALIN (ibritumomab tiuxetan) injection for intravenous use outside of the United States of America from Bayer Healthcare. ZEVALIN is currently approved in more than 40 countries outside the U.S. for the treatment of follicular B-cell non-Hodgkin's lymphoma, including countries in Europe, Latin America and Asia. Under the agreement, Spectrum will have all rights related to marketing, sales, and patents, and access to existing inventory of ZEVALIN from Bayer. Spectrum will utilize a combination of company resources and partnerships to support the product outside the U.S.