Even in “normal†times, companies need to balance time to filing an investigational new drug (IND) application against careful consideration of processes that can have far-reaching consequences on the quality of biologic products. But supply-chain interruptions still feature prominently in the news during the ongoing COVID-19 pandemic. From equipment to chemicals to plastic components, end users, their suppliers, and (critically) their suppliers’ suppliers all are feeling growing uncertainty about production timelines and availability of materials. In this eBook, BPI’s editor…