SAN DIEGO--(BUSINESS WIRE)--Ligand Pharmaceuticals Incorporated (NASDAQ: LGND) announced data from a preclinical study on the erythropoietin (EPO) receptor agonist LG5640 at the upcoming 52nd American Society of Hematology (ASH) Annual Meeting being held in Orlando, Florida at the Orange County Convention Center, December 4 – 7, 2010. The poster presentation highlighted the unique mechanism of action and selective profile of LG5640, a novel oral EPO receptor agonist being developed as a more convenient and safer treatment alternative to current erythropoiesis-stimulating agent therapies (ESAs).