Senate Finance Committee Chair Chuck Grassley aims to eliminate the Medicare Part D coverage gap and redistribute drug costs in the program’s catastrophic phase, the Iowa Republican told Inside Drug Pricing Thursday (June 20). Some drug makers advocate eliminating the so-called “donut hole,” while patient advocates warn against relieving drug makers of the 70% discount they pay during the coverage gap. Grassley previously said he wanted drug makers to shoulder some catastrophic costs , but until Thursday he hadn’t...