On February 17, 2026, the U.S. Food and Drug Administration (FDA) approved FILKRI (filgrastim-laha), a biosimilar to Amgen’s NEUPOGEN (filgrastim). FILKRI was developed by Accord BioPharma, the U.S. specialty division of Intas Pharmaceuticals Ltd. FILKRI is indicated for patients with cancer receiving myelosuppressive chemotherapy; patients with acute myeloid leukemia (AML)…
On January 19, 2026, Hikma announced the U.S. launch of ENOBY (denosumab-qbde) and XTRENBO (denosumab-qbde)—denosumab biosimilars referencing Amgen’s PROLIA and XGEVA, respectively. As recited in the announcement, “[d]enosumab is indicated for treating osteoporosis in postmenopausal women, preventing skeletal-related complications in cancer that has spread to the bone, and treating unresectable giant cell tumor of…
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 December 11, 2025, Regeneron filed a Memorandum in Support of Its Motion to Bifurcate and Stay Amgen’s Antitrust Claims in the ongoing aflibercept patent litigation in the U.S. District Court for the Northern District of West Virginia. As we previously reported, Regeneron filed a second complaint against Amgen in…
Just in December, six companies have announced the launch of their denosumab biosimilars in Europe: Sandoz, Samsung Bioepis, Fresenius Kabi, Zentiva, Biocon Biologics, and Accord. On December 1, 2025: Sandoz launched its denosumab biosimilars, WYOST (120 mg) and JUBBONTI (60 mg) in Europe. WYOST is approved for the treatment of…
Lupin Limited announced on December 1 that it received FDA approval for its biosimilar product, ARMLUPEG (pegfilgrastim-unne). ARMLUPEG is approved as a 6 mg/0.6 mL single-dose prefilled syringe presentation, referencing Amgen’s NEULASTA. ARMLUPEG is indicated to decrease the incidence of febrile neutropenia in patients with non-myeloid malignancies who are receiving…
On November 24, 2025, the U.S. District Court for the District of New Jersey entered a Consent Judgment and Injunction resolving the denosumab BPCIA litigation between Amgen, Inc. and Amgen Manufacturing Limited (“Amgen”), Hikma Pharmaceuticals USA Inc. (“Hikma”), and Gedeon Richter Plc., Gedeon Richter (Schweiz) AG, and Gedeon Richter USA,…
On November 14, 2025, Amgen, Inc. (“Amgen”) launched another BPCIA denosumab litigation when it filed a complaint in the U.S. District Court for the District of New Jersey against Alkem Laboratories Ltd., Ascend Laboratories, LLC, and Enzene Biosciences Ltd. (“Alkem”) related to Alkem’s submission to the FDA of a Biologic…
On November 20, 2025, the FDA approved Accord BioPharma’s denosumab biosimilars OSVYRTI® (denosumab-desu) and JUBEREQ® (denosumab-desu), which reference Amgen’s PROLIA® and XGEVA®, respectively. This marks the eighth set of denosumab biosimilars approved by the FDA. Both OSVYRTI® and JUBEREQ® are approved for all indications of their respective reference products. Denosumab is a…
On November 12, 2025, Regeneron filed a Motion to Strike Certain Affirmative Defenses and Dismiss Certain Counterclaims against Amgen in the aflibercept patent litigation in the U.S. District Court for the Northern District of West Virginia. The dispute centers on Amgen’s aflibercept biosimilar, PAVBLU®. As we have previously reported, in…