The Common Technical Document (CTD) provides a standardized format for new drug applications across Europe, Japan, and the US. It is organized into 5 modules: Module 1 contains regional information; Modules 2-5 are common. Module 2 provides overviews and summaries of quality, nonclinical, and clinical data in Modules 3-5. The CTD standardizes the presentation of information on pharmaceutical quality, nonclinical safety and efficacy, and clinical data to facilitate simultaneous new drug applications in multiple regions.