RegData.

Controlled vocabularies: the glue for interoperable regulatory data

Why CVs matter, how they differ by agency, and how a mapping strategy reduces friction across systems and submissions.

eCTD 4.0 IDMP CV Mapping Multi-agency

Why controlled vocabularies are the critical dependency

Controlled vocabularies (CVs) are standardised lists of coded values used in regulatory submissions. They ensure that concepts such as dose form, route of administration, substance strength and regulatory status are expressed consistently — across systems, submissions and authorities.

Without agreed CVs, every system uses its own terminology, and reconciliation becomes a manual, error-prone process during submission build.

  • Authority CVs (EMA, FDA, etc.) define what codes are valid in submissions — they must be used exactly as published.
  • Internal Reg App CVs are the representations used within your RIM and publishing tools — these must be mapped to authority codes.
  • Mapping gaps are where errors, rejected submissions and manual effort originate.

The multi-agency complexity

SPOR is EU/EMA-centric, but the EU is not alone. Swissmedic has introduced its own structured vocabulary framework, while the FDA and Health Canada are advancing structured regulatory data initiatives. These frameworks are often aligned conceptually — but not identical in execution.

  • Multiple "golden sets" to track — each authority publishes on a different release cycle.
  • Subtle differences in identifiers, lifecycle definitions and usage rules across agencies.
  • Overlapping CVs across IDMP and eCTD — shared concepts, different implementation rules.

What a mapping strategy delivers

A well-governed CV mapping layer between internal Reg App vocabularies and authority-published code lists enables:

  • Automated population of authority codes at submission time
  • Consistent coded data across eCTD, IDMP and RIM configuration
  • Faster onboarding of new authority CVs as they are published
  • Audit trail for mapping decisions and confidence scores

Related topics

CV types to manage

  • Dose forms
  • Routes of administration
  • Units of measurement
  • Regulatory entitlement types
  • Legal statuses
  • Organisational roles
  • Substance classification

Each term type is published by multiple authorities, with varying codes and lifecycle rules that must be reconciled in your Reg App configuration.