Ionis Sells Kynamro To Kastle After Regaining Rights From Genzyme

Three and a half months after Ionis Pharmaceuticals Inc. surprised investors with the news that Sanofi's Genzyme business unit would no longer market Kynamro (mipomersen) for homozygous familial hypercholesterolemia (HoFH), the Carlsbad, California-based biotechnology company revealed that it sold global rights to the cholesterol-lowering drug to Kastle Therapeutics LLC for up to $95m.