Teva/Alvotech’s Interchangeable Stelara Biosimilar OK’d

FDA has approved Teva Pharmaceuticals and Alvotech’s Selarsdi (ustekinumab-aekn) injection as an interchangeable biosimilar to Janssen’s reference biologic Stelara (ustekinumab) for treating psoriatic arthritis and plaque psoriasis, as well as Crohn’s disease, and ulcerative colitis.

Ustekinumab is a human monoclonal antibody that selectively targets the p40 protein, a component common to both interleukin (IL)-12 and IL-23 cytokines, which play crucial roles in treating immune-mediated diseases like psoriasis and psoriatic arthritis, and inflammatory diseases like Crohn’s disease and ulcerative colitis, the companies say. “Alvotech developed and produces Selarsdi using Sp2/0 cells and a continuous perfusion process, which are the same type of host cell line and process used in the production of Stelara,” they say.

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