Mipomersen Phase 3 Trial in heFH Patients; Study Meets Primary Endpoint with 28 Percent LDL-C Reduction

BUSINESS WIRE --Genzyme Corp. and Isis Pharmaceuticals Inc. announced that data from the phase 3 study of mipomersen in patients with heterozygous familial hypercholesterolemia (heFH) were presented today at the European Society of Cardiology’s Congress 2010 in Stockholm, Sweden. The study met its primary endpoint with a 28 percent reduction in LDL-cholesterol, compared with an increase of 5 percent for placebo (p<0.001). The trial also met all of its secondary and tertiary endpoints. Frequently observed adverse events were injection site reactions, flu-like symptoms and elevations in liver transaminases, as seen in other mipomersen studies.