The Trump administration is planning on Friday to roll out two final rules aimed at lowering drug prices—one curbing rebates paid to middlemen in Medicare and another pegging the prices of certain prescription drugs in the U.S. to their prices in other developed countries, according to a person familiar with the planning.
The plans, slated to be announced in the White House Rose Garden, have been a signature pledge of President Trump’s since his 2016 election campaign. Both rules are expected to be final, meaning they have…