The Evolution of the Regulatory Dossier: Towards eCTD 4.0

The regulatory landscape is experiencing one of its most significant evolutions with the introduction of the eCTD 4.0 standard.

Based on the HL7 V3 protocol, this new format represents not just a technical update, but a true revolution in the way regulatory data is exchanged with health authorities.

Developed by the ICH (International Council for Harmonization), eCTD 4.0 replaces the previous version 3.2.2.

The old "sequence-centric" approach based on rigid PDF file structures is giving way to a "data-driven" system. Thanks to a single XML message, information becomes natively structured and machine-readable, automating and speeding up review processes.

The New Features: What's Changing in Specifics?

• Advanced Lifecycle Management: The system offers unprecedented flexibility. It allows you to manage one-to-many and many-to-one relationships, allowing you to replace a single document with many, or vice versa. Furthermore, you can correct metadata (such as an incorrect title) without having to resubmit the physical file.

• Document Reuse via UUIDs Thanks to Universally Unique Identifiers (UUIDs), a document submitted only once to a Regulatory Authority can be recalled and reused in future submissions or for different products, eliminating data redundancy and reducing storage space.

• Controlled Vocabularies (CVs) and Global Harmonization: The introduction of harmonized Controlled Vocabularies at the ICH level ensures standardized terminology on a global scale. Any term updates (e.g., new substances) are made server-side, without requiring changes to the submission software.

• Two-Way Communication and Single Standard: The format is already set up to support the exchange of structured questions and answers between the company and the agency directly in the dossier. Furthermore, while maintaining the contents of Module 1 on a regional basis, the technical "envelope" is finally identical worldwide (FDA, EMA, PMDA).

The future of Regulatory Affairs is already here: move to eCTD 4.0 with Gruppo SASI

eCTD 4.0 will soon become the mandatory global standard: being caught unprepared is not an option.

Gruppo SASI is ready to accompany you on this journey. With our eCTD-Pharma solution, the transition to the new format will be rapid and secure, ensuring maximum fluidity and protecting your company's operational continuity, day after day.