It comes as President Donald Trump pressures drugmakers to lower U.S. drug prices while hiking them abroad under a policy called "most favored nation."

Eli Lilly will raise the UK list price of its weight-loss treatment Mounjaro by up to 170%, it said on Thursday, amid a White House push to get drugmakers to raise medicine prices in Europe to allow for price cuts in the United States.

Eli Lilly has said it will raise the UK list price of its diabetes and obesity therapy Mounjaro for people who buy the drug out of their own pocket, to bring it into parity with other European markets.