根据最终确定的规则，特朗普政府旨在降低联邦医疗保险患者医院药品价格的规则，在豁免了与政府签署单独“最惠国”定价协议的公司后，可能仅适用于四家制药商。
A Trump administration rule to cut hospital drug prices for Medicare patients may apply to as few as four drugmakers after exempting companies that signed separate "most favored nation" pricing agreements with the administration, according to the finalized rule.