SAN DIEGO--(BUSINESS WIRE)--Ligand Pharmaceuticals Incorporated (NASDAQ:LGND) today announced that pursuant to an amendment to a March 2006 research agreement with GlaxoSmithKline (NYSE:GSK), GSK has agreed to accelerate the timing of a $500,000 payment to Ligand that would otherwise have been required upon the identification of a new lead chemical series for advancement in its alliance with GSK. This chemical series is from a program being evaluated as a potential treatment for inflammatory indications identified through the collaboration. Including this milestone, Ligand has earned a total of $4 million from GSK in connection with the discovery of eight new leads in the collaboration.
