KENILWORTH, N.J.–(BUSINESS WIRE)–Merck (NYSE:MRK), known as MSD outside the United States and Canada, today announced the presentation of results from the initial phase (Part A) of the company’s C-CREST 1 and 2 Phase 2 clinical development program evaluating two investigational all-oral, triple-combination treatment regimens – a regimen of grazoprevir1, MK-36822 …