Unintended consequences. It’s a term that’s bandied about all too often in Washington these days, as it’s become the PC way for lawmakers and agencies like the FDA to save face when they have to admit, “Oops, we didn’t think that one through very well” when confronted with the negative impacts of the laws and regulations they’ve created. A new unintended consequence could be in the offing as the FDA extends its practice of label carve-outs to biosimilars. A familiar feature of the generics scene, carve-outs have allowed the agency to approve a knock-off even though the reference drug may...