On 7 April 2026, Biocon Limited announced that it has launched Bosaya™ and Aukelso™ (denosumab-kyqq), biosimilars to Amgen’s Prolia® and Xgeva®, respectively, in the US. The launch follows Biocon’s 1 October 2025 settlement and licence agreement with Amgen, which permitted Biocon’s US launch of the biosimilars from 1 October 2025.
Bosaya™ and Aukelso™ received FDA approval in September 2025 and were granted provisional interchangeability designation for all approved indications.
A number of denosumab biosimilars have been approved in the US. This includes Sandoz’s Jubbonti® and Wyost® (approved March 2024, launched June 2025), Samsung Bioepis’ Obodence™ and Xbryk™ (approved February 2025, to be included on US formularies from 1 April 2026), Celltrion’s Stoboclo® and Osenvelt® (approved March 2025, launched July 2025), Fresenius Kabi’s Conexxence® and Bomyntra® (approved March 2025, launched July 2025), Shanghai Henlius/Organon’s Bildyos® and Bilprevda® (approved September 2025, launched October 2025), Richter/Hikma’s Enoby™ and Xtrenbo™ (approved September 2025; launched January 2026), Accord’s Osvyrti® and Jubereq® (approved November 2025) and Amneal/mAbxience’s Boncresa™ and Oziltus™ (MB09) (approved December 2025).