FILE - This Aug. 13, 2016, file photo shows a logo of Swiss pharmaceutical company Novartis in Seoul, South Korea. On Friday, May 24, 2019, U.S. regulators approved Zolgensma, the most expensive medicine ever, a therapy meant to cure a disorder that rapidly destroys a baby's muscle control and kills most within a couple years. (AP Photo/Ahn Young-joon, File)