Elaine Chen covers biotech, co-writes The Readout newsletter , and co-hosts STAT’s weekly biotech podcast, The Readout Loud . President Trump described his administration’s agreement with Pfizer on several drug pricing plans as a historic measure to lower costs for Americans. But policy experts said it’s not clear how much impact the deal will actually have on increasing drug affordability. Pfizer will also launch new drugs in the U.S. at the same price as other countries, and offer some of its medications directly to Americans at cash prices lower than the list prices, the president said. Advertisement“I think this one of the biggest medical announcements that this office has ever made,” Trump said, later adding that “low-income Americans will be helped so greatly.”