References: 1. Ustekinumab [Prescribing Information]. Horsham, PA: Janssen Biotech, Inc. 2. STELARA® [Prescribing Information]. Horsham, PA: Janssen Biotech, Inc. 3. U.S. Food and Drug Administration. FAQs–Purple Book. Accessed January 22, 2025. https://purplebooksearch.fda.gov/faqs