On March 30, 2026, the FDA approved Teva’s biosimilar Ponlimsi™ (denosumab-adet), referencing Amgen’s Prolia® (denosumab), for all indications of the reference product.
Ponlimsi™ is the tenth Prolia® / Xgeva® (denosumab) biosimilar approved by the FDA. To date, four denosumab biosimilars have launched in the United States including Sandoz’s Jubbonti® / Wyost® (denosumab-bbdz), Celltrion’s Stoboclo® / Osenvelt® (denosumab-bmwo), Fresenius Kabi’s Conexxence™ / Bomyntra™ (denosumab-bnht), and Hikma’s Enoby™ / Xtrenbo™ (denosumab-qbde) (previously reported Sandoz Launches Jubbonti® / Wyost® (denosumab-bbdz) as First Prolia® / Xgeva® Interchangeable Biosimilars; Fresenius Kabi and Celltrion Launch Prolia® / Xgeva® (denosumab) Biosimilars Conexxence™ / Bomyntra™ and Stoboclo® / Osenvelt®; Hikma Announces U.S. Launch of Prolia® / Xgeva® Biosimilars Enoby™ / Xtrenbo™ (denosumab-qbde)).
Multiple BPCIA patent litigations are ongoing for Prolia® / Xgeva® biosimilars, including Alvotech / Dr. Reddy’s AVT03 (denosumab), Case No. 1:25-cv-17277 (D.N.J.); Amneal / mAbxience’s Boncresa™ / Oziltus™ (denosumab-mobz), Case No. 1:25-cv-17278 (D.N.J.); and Alkem / Enzene’s ENZ215 (denosumab), Case No. 1:25-cv-17596 (D.N.J.).
Amgen reported FY25 U.S. sales for Prolia® of $2.978 billion, and $1.355 billion for Xgeva®.
For more information about these and other biosimilars, please visit BiologicsHQ.
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The authors would like to thank April Breyer Menon for her contributions to this article.
