WESTMINSTER, Colo.--(BUSINESS WIRE)--Allos Therapeutics, Inc. (NASDAQ:ALTH), a biopharmaceutical company focused on developing and commercializing innovative small molecule drugs for the treatment of cancer, today announced that it will host an analyst and investor briefing in conjunction with the 50th Annual Meeting of the American Society of Hematology (ASH) from 6:00 p.m. to 8:00 p.m. (Pacific) on Monday, December 8, 2008.