| CADREAC | Collaboration Agreement between Drug Regulatory Authorities of European Union Associated Countries |
| CAP | Centraly Authorised Products |
| CAPs | Centrally Authorised Products |
| CAVDRI | Collaboration Agreement between Veterinary Drug Registration Institutions |
| CEEC | Central and Eastern European Countries |
| CHMP | Committee for Medicinal Products for human use |
| CMS | Concernet Member State |
| COMP | Committee on Orphan Medicinal Products |
| ČSL | Československý liekopis |
| CTD | Common Technical Dossier |
| CVMP | Committee for Medicinal Products for Veterinary Use |
