Various changing factors in the US have resulted in the new availability of generic drug formulations.
On 21 June, new FDA commissioner Scott Gottlieb announced (in FDA Voice) said: "Too many patients are being priced out of the medicines they need. While FDA doesn’t have a direct role in drug pricing, we can take steps to help address this problem by facilitating increased competition in the market for prescription drugs through the approval of lower-cost, generic medicines."