SAN DIEGO--(BUSINESS WIRE)--Ligand Pharmaceuticals Incorporated (NASDAQ: LGND) today announced that it has initiated a Phase II study of its small-molecule thrombopoietin (TPO) mimetic, LGD-4665. The 24 patient, double-blind placebo-controlled trial is designed to evaluate the safety and efficacy of LGD-4665 in adult patients with idiopathic thrombocytopenic purpura (ITP) over six weeks of treatment.
