The FDA approved Steqeyma (ustekinumab-stba), the seventh biosimilar to Stelara, for inflammatory conditions including plaque psoriasis, psoriatic arthritis, Crohn disease, and ulcerative colitis. Steqeyma demonstrated comparable efficacy and safety to Stelara in trials, with a PASI score improvement of 77.93% vs. 75.89%. It will be available as a subcutaneous injection or intravenous infusion, expected on the market in February 2025.