HONG KONG – Samsung Bioepis Co. Ltd.'s biosimilar Renflexis (infliximab-abda) will be the first product of the conglomerate's biologics arm to be marketed in the U.S. and only the second infliximab biosimilar in the market after Pfizer Inc.'s Inflectra. Samsung Bioepis gained FDA approval late Friday for its BLA for Renflexis (formerly SB2), a biosimilar candidate referencing Remicade (infliximab, Janssen Biotech Inc.).