From Lab To Tox Batch: A First-Time-Right API Scale-Up

This case study highlights the development and scale-up of a novel small molecule therapy for vascular calcification disorders, focusing on achieving a robust, first-time-right manufacturing process. The original synthesis presented multiple challenges, including low yields, poor intermediate stability, and complex phosphorylation chemistry. Additional difficulties arose from isolating intermediates, managing reactive conditions, and ensuring process safety during scale-up. To address these issues, a systematic approach incorporating mechanistic investigation and process optimization was implemented, guided by safety, environmental, and efficiency considerations. Key improvements included enhanced reaction conditions, controlled reagent addition, and advanced purification strategies, resulting in significant yield increases and reduced impurity profiles. The optimized process enabled a successful transition from laboratory-scale synthesis to kilogram-scale production, delivering high-purity material for toxicology studies and further clinical development.

Find out how integrated process design and optimization can accelerate the development of complex molecules while ensuring scalability, safety, and quality.