Core Viewpoint - The FDA has approved Teva Pharmaceutical Industries Ltd. and Alvotech's Selarsdi as an interchangeable biosimilar to Johnson & Johnson's Stelara, expanding treatment options for various inflammatory conditions [1][2]. Group 1: Product Approval and Details - Selarsdi is approved for multiple indications, including adult and pediatric psoriatic arthritis, plaque psoriasis, Crohn's disease, and ulcerative colitis, effective from April 30, 2025 [1]. - The approved presentations of Selarsdi include 45 mg/0.5 mL and 90 mg/mL in prefilled syringes, 45 mg/0.5 mL in vials, and 130 mg/26 mL for intravenous infusion [3]. Group 2: Strategic Partnerships and Market Position - Teva and Alvotech entered a strategic partnership in August 2020 to exclusively commercialize five biosimilar candidates, which was later extended to include additional products [4]. - Teva's recent launches of Selarsdi and another biosimilar, along with a robust pipeline, position the company for strong leadership in the biosimilars market [2]. Group 3: Financial Impact and Stock Performance - Following the news of the approval, TEVA stock increased by 2.10% to $16.53, while ALVO stock rose by 0.67% to $8.22 [5]. Group 4: Future Developments - The FDA has accepted Biologics License Applications for three additional biosimilar candidates developed by Alvotech in partnership with Teva, with goal dates for approval in Q4 2025 [6].