Despite the approval of multiple biosimilars, industry wins in payment policy and release of highly anticipated FDA guidance, some experts are skeptical that 2018 will be a tipping point for the nascent biosimilar industry, citing issues with payers, lack of final FDA guidance on key issues and litigation backlogs created by late-stage patents. In 2017 FDA approved five biosimilars: Samsung Bioepsis and Merck's Renflexis (infliximab); Boehringer Ingelheim's Cyltezo (adalimumab); Amgen's Mvasi (bevacizumab); Mylan's Ogivri (trastuzumab); and Pfizer's Ixifi (infliximab). The...