Two children have died from acute liver failure after taking world’s most expensive drug. Although the patients had acute liver failure, Zolgensma's manufacturer claims that this is not a new "safety signal."
After receiving Zolgensma gene therapy, sometimes referred to as the most costly drug in the world, two infants died of acute liver failure, the drug's maker Novartis reported on Thursday.
According to the Swiss pharmaceutical company, acute liver failure is a "known adverse even...