Madrigal Expands its MASH Pipeline with Exclusive Global Licensing Agreement for Six Preclinical siRNA Programs

Core Viewpoint - Madrigal Pharmaceuticals has entered an exclusive global license agreement with Suzhou Ribo Life Science for six preclinical small interfering RNA (siRNA) programs aimed at treating metabolic dysfunction-associated steatohepatitis (MASH) [1][6] Company Overview - Madrigal Pharmaceuticals is focused on developing novel therapeutics for MASH, a liver disease with significant unmet medical needs [14] - The company’s lead product, Rezdiffra (resmetirom), is the first medication approved for MASH with moderate to advanced fibrosis [14] - Madrigal's pipeline now includes over 10 programs targeting various drivers of MASH, with Rezdiffra serving as the foundational therapy [2][3] Research and Development Strategy - The R&D strategy emphasizes innovative compounds targeting validated mechanisms of disease to improve patient outcomes [2] - siRNAs are highlighted for their precision in gene silencing, potentially complementing the effects of Rezdiffra [3][5] - The company plans to initiate IND-enabling activities for initial siRNA candidates in 2026 [5] Financial Aspects - Ribo will receive an upfront payment of $60 million, with potential cumulative payments reaching $4.4 billion based on milestone achievements, in addition to royalties on net sales [6] Market Context - MASH is a leading cause of liver transplantation, particularly among women, and is rapidly growing in prevalence [7][9] - Patients with moderate to advanced liver fibrosis face significantly higher risks of liver-related mortality, underscoring the urgency for effective treatments [8] Product Information - Rezdiffra is prescribed alongside diet and exercise for adults with MASH and is currently undergoing studies to confirm its clinical benefits [10]