Preparing a New Drug Application (NDA) for PMDA: Japan-Ready Strategy, Dossier, and Execution Building a Japan-Ready NDA: Strategy, Dossier Craft, and Execution for PMDA Review Strategic Groundwork: Locking Scope Through PMDA Consultations and Japan-Specific Evidence Planning Successful New Drug Applications (NDAs) in Japan are engineered long before eCTD leaves are compiled. The most reliable programs start with a sequence of structured PMDA consultations to validate core choices—target population in Japan, primary and key secondary endpoints, estimands, comparator acceptability, and the CMC control strategy that will operate under Japanese supply realities. These meetings are not box-checking; they are where you convert…