Core Viewpoint - The U.S. FDA has extended the target action dates for Regeneron Pharmaceuticals' EYLEA HD regulatory submissions to the fourth quarter of 2025 due to major amendments resulting from a recent inspection of a third-party manufacturer [1][2] Group 1: Regulatory Updates - The FDA's extension of review periods was prompted by significant information provided after an inspection at Catalent Indiana LLC, which is now owned by Novo Nordisk A/S [2] - Novo Nordisk submitted a comprehensive response to the FDA in early August 2025 to address the observations noted during the inspection [2] - EYLEA HD remains available in the U.S. through vial administration, with approved dosing intervals ranging from every 8 to 16 weeks for various conditions [3] Group 2: Product Information - EYLEA HD is a vascular endothelial growth factor inhibitor developed to provide comparable efficacy and safety to EYLEA but with fewer injections [5] - EYLEA HD is approved in the U.S. for treating patients with wet age-related macular degeneration (wAMD), diabetic macular edema (DME), and diabetic retinopathy (DR) [8] - EYLEA HD is being jointly developed by Regeneron and Bayer AG, with Regeneron holding exclusive rights in the U.S. and Bayer having exclusive marketing rights outside the U.S. [6] Group 3: Company Overview - Regeneron is a leading biotechnology company focused on developing life-transforming medicines for serious diseases, leveraging its unique ability to translate science into medicine [11] - The company has a robust research and development program in ophthalmology, aiming to address additional serious eye diseases [7] - Regeneron utilizes proprietary technologies to accelerate drug development and is committed to innovative solutions for patients [12]

Core Insights - Regeneron Pharmaceuticals is set to present 27 abstracts, including eight oral presentations on EYLEA HD, at the ARVO 2025 Annual Meeting, showcasing its effectiveness in treating wet age-related macular degeneration (wAMD), diabetic macular edema (DME), and diabetic retinopathy (DR) [1][2][5] Group 1: EYLEA HD Efficacy and Real-World Data - Initial real-world data from nearly 40,000 patients treated with EYLEA HD indicate positive impacts on vision and longer dosing intervals in everyday clinical practice [2][6] - New analyses will compare EYLEA HD and faricimab regarding efficacy, dosing frequency, and potential economic benefits for patients with wAMD and DME [1][6] Group 2: Presentations at ARVO - Key presentations will include analyses of real-world experiences with EYLEA HD among treatment-naive patients and those switching from other anti-VEGF therapies [6][8] - A network meta-analysis will indirectly compare the efficacy and number of injections for EYLEA HD and faricimab based on Phase 3 clinical trial data [6][8] Group 3: Safety and Adverse Reactions - The most common adverse reactions (≥3%) reported in patients treated with EYLEA HD include cataract, conjunctival hemorrhage, and increased intraocular pressure [3][29] Group 4: Economic Impact and Modeling - A modeling analysis will assess the potential economic benefits of EYLEA HD compared to faricimab for treating patients with wAMD or DME in the U.S. over three years [6][8] Group 5: Background on EYLEA HD - EYLEA HD is developed to provide comparable efficacy and safety to EYLEA but with fewer injections, and it is currently approved in the U.S. for treating wAMD, DME, and DR [19][20] - The drug is part of a broader research and development program at Regeneron aimed at addressing serious eye diseases [21]