US President Donald Trump says he has sent letters to 17 major pharmaceutical companies – including Swiss giant Novartis – calling for immediate measures to lower drug prices in the United States. Otherwise, they will face retaliatory measures. +Get the most important news from Switzerland in your inbox In letters addressed personally to the company CEOs, Trump gave the firms a deadline of 60 days. "He has signed 17 letters to the pharmaceutical companies," White House spokesperson Karoline Leavitt told the press in Washington on Thursday, reading out the letter to Eli Lilly CEO David Ricks as an example. Trump then published all the letters on his Truth Social platform. In addition to Novartis, they were also sent to Merck, Pfizer, AstraZeneca, Novo Nordisk and Sanofi, among others. "We are currently reviewing the letter," Novartis wrote in response to a request from the AWP news agency. Roche also said it was reviewing the letter that Trump had published on social media. ‘All ...