US FDA approves Ionis' drug for rare genetic disorder

By Sneha S K and Bageshri Banerjee (Reuters) -The U.S. Food and Drug Administration on Thursday approved Ionis Pharmaceuticals' drug to prevent instances of severe swelling in various parts of the body of patients with a rare genetic disorder. Shares of the company were up 1.1% in afternoon trading. The drug, Dawnzera, is approved as a so-called "prophylaxis" to prevent symptoms of a rare