He said if they didn't, the US would deploy 'every tool in our arsenal' to protect families from 'continued abusive drug prices'.

Trump posted individual letters he sent 17 drugmakers, including Eli Lilly, GSK, Pfizer, Regeneron, Merck, Pfizer and Novo Nordisk.

President Donald Trump said his administration would “deploy every tool” to get drug prices reduced from large pharmaceutical companies if they do not meet the deadline.