"I'd like a lawsuit to be brought against these companies that are really sending opioids at a level -- it shouldn't be happening," Trump said during a Cabinet meeting.
Starting next year, private insurers that provide coverage through Medicare Advantage will have the power to bargain over drugs administered in doctor's offices or hospitals.
The regulation could represent a sweeping shift in how drug prices are set in the U.S. and potentially eliminate some of the opacity that surrounds the system.