WHODrug is the medication vocabulary that drives concomitant-medication coding and drug-drug interaction logic in most clinical research stacks. It is a licensed product with strict usage terms, and the terminology server you pick has to ha

CDISC Controlled Terminology and SDTM mapping sit at the seam between operational trial data and what regulators read at submission time. The vocabulary involved is large, the versioning is strict, and the mapping work is where a lot of pre

MedDRA is the central vocabulary for adverse-event and indication coding in clinical research, and the way a terminology server handles MedDRA decides how painful safety reporting gets. The challenge is twofold: the hierarchy is deep and $e

A FHIR terminology server in a clinical research stack does a job you do not notice when it is working, and one you notice loudly when it is not. Every coded answer on a form, every safety database entry, every SDTM-bound variable depends o