Share this article Share this article ResearchAndMarkets.com's offering. Major players in the trastuzumab biosimilar market are Amgen Inc., Pfizer Inc, Samsung Bioepis, Merck & Co., Biocon Limited, Mylan Inc., BioXpress Therapeutics, Celltrion, Teva Pharmaceutical Industries Ltd. and EirGenix, Inc. The global trastuzumab biosimilars market is expected to decline from $1.27 billion in 2019 to $1.25 billion in 2020 at a compound annual growth rate (CAGR) of -1.50%. The decline is mainly due to the COVID-19 outbreak that has led to restrictive containment measures involving social distancing, r...