While US infliximab biosimilars lack interchangeability approval, Remicade (infliximab) can continue to compete in an open market place, says Janssen. Pfizer launched its a biosimilar to Remicade (infliximab), Inflectra, in 2016. The following year, Samsung Bioepis/Merck & Co.’s Renflexis became the second direct threat to Johnson & Johnson subsidiary Janssen’s blockbuster monoclonal antibody. But both products, while deemed by the US Food and Drug Administration (FDA) to be biosimilar to Remicade, have not been approved to be interchangeable with the…