Novartis AG is paying nearly $1 billion up front to buy privately held Anthos Therapeutics Inc. in a deal that eventually could top out around $3.1 billion. Novartis, coming back to where it started as it and Blackstone Life Sciences founded Anthos in 2019, is entering a crowded space.
Bayer AG’s asundexian, considered one of the next generation class of anticoagulants and a potential blockbuster, has failed a phase III clinical trial in atrial fibrillation. The factor XIa inhibitor is one of three with a similar mechanism of action in late stage development by big companies.
Anthos Therapeutics Inc.’s phase II study of abelacimab in treating atrial fibrillation in patients at moderate to high risk of stroke has met its primary endpoint. The data monitoring committee stopped the study early as the fully human monoclonal antibody targeting factor XI/XIa reduced bleeding when compared to a leading standard of care, direct oral anticoagulant, Xarelto (rivaroxaban, Johnson & Johnson).