Prefix Name
anzctr Australian New Zealand Clinical Trials Registry
chictr Chinese Clinical Trial Registry
clinicaltrials ClinicalTrials.gov
ctis Clinical Trials Information System
ctri India Clinical Trials Registry
drks German Clinical Trials Register
euclinicaltrials EudraCT trial ID
hc.trial Health Canada Clinical Trials Database
irct Iranian Registry of Clinical Trials
isrctn International Clinical Trials Registry Platform
itmctr International Traditional Medicine Clinical Trial Registry
jrct Japan Registry of Clinical Trials
kcris Korean Clinical Research Information Service
lbctr Lebanon Clinical Trials Registry
pactr Pan African Clinical Trials Registry
phrr Philippine Health Research Registry
rebec Brazilian Registry of Clinical Trials
repec Peruvian Clinical Trial Registry
rpcec Cuban Registry of Clinical Trials
slctr Sri Lanka Clinical Trials Registry
snctp Swiss National Clinical Trials Portal
tctr Thai Clinical Trials Registry
uminctr University hospital Medical Information Network Clinical Trial Registry