eCTD Structure & Modules Explained: Complete Guide to Regulatory Submissions and Dossier Compliance Everything You Need to Know About eCTD Structure & Modules for Global Regulatory Submissions Introduction to eCTD Structure and Its Importance The electronic Common Technical Document (eCTD) is the global standard for regulatory dossier submissions in the pharmaceutical industry. Introduced by the International Council for Harmonisation (ICH), the eCTD ensures that companies can prepare and submit dossiers in a consistent, structured electronic format across multiple jurisdictions. Agencies such as the US FDA, EMA, and CDSCO mandate eCTD submissions for new drug applications (NDAs), marketing authorizations, and lifecycle…