RALEIGH, N.C., Feb. 15, 2012 (GLOBE NEWSWIRE) -- DARA BioSciences, Inc. (Nasdaq:DARA) announced today that it entered into an exclusive U.S. agreement with Uman Pharma Inc. for commercial rights to gemcitabine, DARA’s second newly licensed anticancer agent. In 2010, gemcitabine generated branded (GEMZAR®-Eli Lilly) sales of $780 million, according to IMS data. It went off patent in 2011 in the U.S., and a year earlier in Europe. The drug is widely prescribed as first-line therapy for ovarian, breast, lung, and pancreatic cancers.