On March 12, 2025, Celltrion announced the commercial launch of STEQEYMA® (ustekinumab-stba), a biosimilar of Janssen’s STELARA® (ustekinumab), in the United States. As we previously reported, the biosimilar was approved by the FDA in December 2024 for subcutaneous injection or intravenous infusion in adult and pediatric patients for treatment of…
