On March 16, 2026, Celltrion, Inc. announced the U.S. commercial launch of AVTOZMA® (tocilizumab-anoh) SC, a subcutaneous formulation of its tocilizumab biosimilar referencing Roche’s ACTEMRA. Celltrion had previously launched its intravenous AVTOZMA® in October 2025. With this new launch, AVTOZMA® becomes one of the first tocilizumab biosimilars to have both…
This past year contained a number of significant developments in litigation involving biologics and biosimilars. The following is a recap of the top three legal developments that we covered on the Big Molecule Watch last year. The Aflibercept BPCIA Litigations Start to Resolve As in 2023 and 2024, Regeneron’s multi-district…
On November 27, 2025, Celltrion announced that Health Canada approved EYDENZELT® (aflibercept-boav), a biosimilar referencing Regeneron’s EYLEA® (aflibercept), in both vial and pre-filled syringe form, to treat all indications approved for EYLEA®. EYDENZELT® is Celltrion’s first biologic product approved in Canada in the ophthalmology space. According to media reports, Celltrion…
On December 3, 2025, Celltrion announced that the FDA has approved a new dose of OMLYCLO (omalizumab-igec), the first and only biosimilar designated as interchangeable with Genentech and Novartis’s XOLAIR (omalizumab). The FDA approved a 300 mg/2mL solution of OMLYCLO in a single-dose prefilled syringed for subcutaneous injection. Dr. Juby…
This week the FDA granted interchangeability status to Fresenius Kabi’s and Celltrion’s respective denosumab biosimilars. Interchangeable biosimilars can be substituted for the reference product at the pharmacy without intervention of the prescribing healthcare provider. On October 29, Fresenius Kabi announced that the FDA granted an interchangeability designation for CONEXXENCE® and BOMYNTRA®…
On October 17, 2025, Amgen and AstraZeneca announced that the FDA has approved an additional indication for TEZSPIRE (tezepelumab-ekko) for the add-on maintenance treatment of inadequately controlled chronic rhinosinusitis with nasal polyps (CRSwNP) in adult and pediatric patients aged 12 years and older. TEZSPIRE is the first biologic the FDA…
On October 9, 2025, the FDA approved Celltrion’s aflibercept biosimilar, EYDENZELT® (aflibercept-boav) referencing Regeneron’s EYLEA® (aflibercept). This approval makes Celltrion the sixth company to receive FDA approval for an aflibercept biosimilar, joining Biocon, Samsung Bioepis, Formycon, Sandoz, and Amgen. Aflibercept is a recombinant fusion protein that binds to vascular endothelial…
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…
The aflibercept multi-district litigation consists of multiple actions consolidated in the Northern District of West Virginia, with Regeneron Pharmaceuticals, Inc. (“Regeneron”) filing suit under the Biologics Price Competition and Innovation Act (“BPCIA”) against Amgen Inc. (“Amgen”), Mylan Pharmaceuticals Inc. (“Mylan”), Biocon Biologics Inc. (“Biocon”), Celltrion, Inc. (“Celltrion”), Formycon AG (“Formycon”),…
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”…