Dave Gram

Associated Press

After Gilead Sciences acquired the developer of Sovaldi, the price of the medication increased significantly. A bill awaits Vermont Gov. Peter Shumlin's signature in May 2016 that would make it the first state requiring drug companies to explain their price increases. The legislation would have regulators develop an annual list of up to 15 drugs that have seen the biggest price increases. Manufacturers then would have to justify the increases to the attorney general's office.

VT to Require Drug Makers to Explain Pricing

Vermont state Rep. Christopher Pearson noted prescription drugs often sell for far less in other countries and offered another reason for high prices: the inability of Medicare and Medicaid to negotiate better prices under federal law.