Kynamro Liver Safety Data Faces FDA Advisory Committee Gauntlet

Questions about liver toxicity have dogged Genzyme/Isis’ Kynamro (mipomersen), despite robust LDL-lowering. An FDA panel review in October will tell whether seemingly reassuring safety data from a long-term extension study will do the trick for U.S. approval.

Ionis Pharmaceuticals Inc. will soon find out whether a long-term extension study of its cholesterol drug Kynamro (mipomersen) really puts concerns about liver safety to rest.

FDA’s Endocrinologic and Metabolic Drugs Advisory Committee will review the application of Kynamro for homozygous familial hypercholesterolemia on Oct. 18. The session follows the committee’s Oct. 17 review of Aegerion Pharmaceuticals Inc

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