Repatha (AMGN) and Praluent (Regeneron (REGN)/Sinofy (SNY)) are two PCSK9 inhibitors, a new class of drugs to treat hypercholesterolemia more effectively than previously possible. This will trigger a HCV-like battle between the two as both have high efficacy. Both have room to share the market, allowing both to make a significant amount of money on these...