SAN DIEGO--(BUSINESS WIRE)--Ligand Pharmaceuticals Incorporated (NASDAQ: LGND) announced today that it has entered into a global licensing agreement with Chiva Pharmaceuticals, Inc. for Fablyn (lasofoxifene), a selective estrogen receptor modulator (SERM) that was approved in the EU in 2009 for the treatment of osteoporosis in post-menopausal women at increased risk of fracture. In return for the license, Ligand will receive $4 million in licensing payments over the next eight months and is also eligible to receive milestones and royalties on worldwide sales of Fablyn.