On October 2, 2025, Celltrion, Inc. (“Celltrion”) announced the commercial launch of AVTOZMA® (tocilizumab-anoh), a biosimilar to ACTEMRA® in the United States. AVTOZMA® is supplied as an intravenous formulation in single-dose vials in the same doses as ACTEMRA®: 80 mg/4 mL, 200 mg/10 mL, and 400 mg/20 mL. It is…
On August 7, 2025, Celltrion announced that it obtained FDA approval expanding the indication of the intravenous (IV) formulation of AVTOZMA (tocilizumab-anoh) to include treatment of cytokine release syndrome (CRS) in patients aged 2 years and older. CRS is a potentially life-threatening condition brought on by a so-called “cytokine storm”…
On January 31, 2025, Celltrion announced that the FDA approved its tocilizumab biosimilar, AVTOZMA® (tocilizumab-anoh), referencing Genentech’s ACTEMRA®. Tocilizumab is a monoclonal antibody that can act as an interleukin-6 (IL-6) inhibitor to reduce inflammation in the body. The FDA approved AVTOZMA® for subcutaneous injection or intravenous infusion for treatment of…
The European Medicines Agency’s (EMA) Committee for Medicinal Use Products (CHMP) recently recommended approval of six new biosimilars. The CHMP recommended approval of four biosimilars developed by Celltrion: (1) AVTOZVMA (tocilizumab), for the treatment of rheumatoid arthritis, systemic juvenile idiopathic arthritis, polyarticular juvenile idiopathic arthritis, giant cell arteritis, CAR-T cell-induced…
On July 2, 2024, Fresenius Kabi (“Fresenius”) announced the immediate availability of TYENNE (tocilizumab-aazg), in a subcutaneous formulation, in the United States. TYENNE, a biosimilar to ACTEMRA (tocilizumab), was developed by Fresenius for use in the treatment of several autoimmune diseases, including rheumatoid arthritis, giant cell arteritis, polyarticular juvenile idiopathic…
On April 15, 2024, Fresenius Kabi announced the U.S. launch of its ACTEMRA biosimilar, TYENNE (tocilizumab-aazg) as an intravenous formulation. As we previously reported, Fresenius Kabi received FDA approval for both intravenous and subcutaneous formulations on March 5, 2024, making TYENNE the first tocilizumab biosimilar approved in both formulations. TYENNE is…
On March 7, Fresenius Kabi announced that the FDA has approved its tocilizumab biosimilar, TYENNE (tocilizumab-aazg) for inflammatory and immune diseases indications including rheumatoid arthritis, giant cell arteritis, polyarticular juvenile idiopathic arthritis, and systemic juvenile idiopathic arthritis. TYENNE is the second FDA approved biosimilar of ACTEMRA (following Biogen’s TOFIDENCE (tocilizumab-bavi)…
On February 12, 2024, Chugai, Genentech, and Hoffmann-La Roche filed a motion for voluntary dismissal of their appeals of the PTAB’s Final Written Decisions in IPR2022-00578 and IPR2022-00579. The appeals concerned IPRs filed by Celltrion where the PTAB found all challenged claims of U.S. Patent Nos. 8,580,264 and 10,874,677 were…
Celltrion Submits BLA for Tocilizumab Biosimilar On January 28, 2024, Celltrion USA announced that it has completed submission of its application to the FDA for CT-P47, its proposed tocilizumab biosimilar. CT-P47 references Genentech’s ACTEMRA, an interleukin 6 receptor antagonist indicated for adult rheumatoid arthritis, juvenile idiopathic polyarthritis, and systemic juvenile…
As we previously reported, in July 2023 Genentech, Inc., Hoffmann-LaRoche, Inc., and Chugai Pharmaceutical Co., Ltd. (collectively, “Genentech”) filed BPCIA litigation against Biogen MA Inc. and Bio-Thera Solutions, Ltd. in the District of Massachusetts, asserting that Biogen sought FDA approval “to commercialize ‘BIIB800,’ a proposed biosimilar to Genentech’s drug Actemra®…