WASHINGTON, DC - APRIL 23: U.S. President Donald Trump holds up a Sharpie pen as (L-R) Administrator for the Centers for Medicare & Medicaid Services Dr. Mehmet Oz, U.S. Commerce Secretary Howard Lutnick, U.S. Secretary of Health and Human Services Robert F. Kennedy Jr., Director of the Center for Medicare Chris Klomp and President and Chief Scientific Officer of Regeneron Pharmaceuticals George Yancopoulos look on during an event on advancing health care affordability in the Oval Office of the White House on April 23, 2026 in Washington, DC. President Trump, promoting his administration's efforts to lower health care costs and address rising premiums, announced a deal with Regeneron Pharmaceuticals to lower certain drug prices sold on TrumpRx.gov in exchange for tariff relief. (Photo by Alex Wong/Getty Images)