The German Clinical Trials Register (DRKS) is the German WHO primary registry. It is competent for the registration of all patient-oriented clinical trials conducted in Germany. The DRKS now contains well over 14,000 studies. Currently, around 2,000 studies are added annually. (from website)

Prefix
drks
Links
Homepage
Contact
Missing Contact
Pattern for Local Unique Identifiers

Local identifiers in German Clinical Trials Register should match this regular expression:
^DRKS\d+$

Example Local Unique Identifier
DRKS00031815   Resolve
Pattern for CURIES

Compact URIs (CURIEs) constructed from German Clinical Trials Register should match this regular expression:
^drks:DRKS\d+$

Example CURIE
drks:DRKS00031815
Contributors
Ontology

A summary of the relations in the Bioregistry schema can be found here.

In Collection
Clinical Trial Registries
Providers

Providers are various services that resolve CURIEs to URLs. The example CURIE drks:DRKS00031815 is used to demonstrate the provides available for this resource. Generation of OLS and BioPortal URLs requires additional programmatic logic beyond string formatting.

Name Metaprefix URI
German Clinical Trials Register drks https://drks.de/search/en/trial/DRKS00031815
Bioregistry bioregistry https://bioregistry.io/drks:DRKS00031815
Extra Providers

Additional providers curated in the Bioregistry are listed here.

Code Name URL
alt1 German Language Provider https://drks.de/search/de/trial/DRKS00031815
alt2 Legacy Provider http://drks.de/en/trial/DRKS00031815