Amgen has revealed a development program for a biosimilar rival to Keytruda (pembrolizumab), as it revealed first-quarter results for 2024 that saw its biosimilars business grow sales by 12%.
Amgen Kicks Off Pembrolizumab Program As It Delivers Q1 Results
ABP234 Proposed Keytruda Rival Is Latest Asset For Amgen’s Biosimilars Business
Amgen has revealed a program for a biosimilar rival to Keytruda, as it reported Q1 results that saw its biosimilars business grow by more than a tenth.

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With Celltrion having just received approval for its US Actemra (tocilizumab) biosimilar and having just launched its ustekinumab rival to Stelara – and with the introduction of the Korean developer’s denosumab rivals to Prolia and Xgeva just around the corner – 2025 is set to be a busy year, Celltrion USA chief commercial officer Thomas Nusbickel tells Generics Bulletin.
With sales and profits shooting up in 2024, Alvotech has revealed plans to rapidly accelerate development to add between four and six programs to its pipeline of biosimilars every year, while at the same time unveiling details of several new brands that it will be seeking to challenge. The firm has also set out longer-term financial targets that anticipate more than trebling its revenues in the next three years.
India’s Dr Reddy’s and China’s Bio-Thera have struck a deal covering ustekinumab and golimumab biosimilars in multiple markets in south-east Asia.
Fresenius Kabi has met its end of the bargain to launch biosimilars to Prolia/Xgeva in the middle of this year, after bagging FDA approvals. The German firm is also set to hear back on its filings in Europe imminently.
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Alvotech and Advanz have announced a UK MHRA filing acceptance for their partnered AVT23 proposed biosimilar to Xolair (omalizumab).
Optum Rx, one of the largest PBMs in the US, declared itself as the “first comprehensive, transparent pharmacy services company” after announcing several consumer-friendly changes.
With an ambitious goal to file a biosimilar to the world-renowned Botox brand via the US FDA’s 351(k) regulatory pathway, AEON Biopharma has revealed the latest steps in its plan.