SAN DIEGO--(BUSINESS WIRE)--Ligand Pharmaceuticals Incorporated (NASDAQ: LGND) today announced that its partner GlaxoSmithKline (NYSE: GSK) has received a positive opinion for Revolade® (eltrombopag/Promacta®) from the European Medicines Agency’s Committee for Medicinal Products for Human Use (CHMP) for the oral treatment of thrombocytopenia (reduced platelet count) in adults with the blood disorder chronic immune (idiopathic) thrombocytopenic purpura (ITP).