The EU Clinical Trials Register contains information on clinical trials conducted in the European Union (EU), or the European Economic Area (EEA) which started after 1 May 2004. It also includes trials conducted outside these areas if they form part of a paediatric investigation plan (PIP), or are sponsored by a marketing authorisation holder, and involve the use of a medicine in the paediatric population.

Prefix
euclinicaltrials
Alternative Prefixes
EUCTR
Links
Homepage
Identifier Standards
Pattern for Local Unique Identifiers

Local identifiers in EU Clinical Trials should match this regular expression:
^\d{4}\-\d{6}\-\d{2}$

Example Local Unique Identifier
2008-005144-16   Resolve
Pattern for CURIES

Compact URIs (CURIEs) constructed from EU Clinical Trials should match this regular expression:
^euclinicaltrials:\d{4}\-\d{6}\-\d{2}$

Example CURIE
euclinicaltrials:2008-005144-16
Contacts
Contact
Missing Contact
Ontology

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

In Collection (2)
Clinical Trial Registries Synapse.org external links
Mappings to External Registries

Mappings from records in Bioregistry to external registries comprises the metaregistry. This resource has 4 mappings to external registries with 2 unique external prefixes.

Registry Name Registry Metaprefix External Prefix Curate
BioContext biocontext EUCLINICALTRIALS
Identifiers.org Identifiers.org logo miriam euclinicaltrials
N2T Name-to-Thing logo n2t euclinicaltrials
Wikidata Wikidata Property logo wikidata P9306
Providers

A provider turns a local unique identifiers from a resource into a URI. Many providers are also resolvable as URLs (i.e., they can be used in a web browser).

The local unique identifier 2008-005144-16 is used to demonstrate the providers available for EU Clinical Trials. Some providers may use a different example, which is displayed in the table below. A guide for curating additional providers can be found here.

Provider Name Provider Code URI
EU Clinical Trials euclinicaltrials https://www.clinicaltrialsregister.eu/ctr-search/search?query=2008-005144-16
Bioregistry bioregistry https://bioregistry.io/euclinicaltrials:2008-005144-16
Identifiers.org miriam https://identifiers.org/euclinicaltrials:2008-005144-16
Name-to-Thing n2t https://n2t.net/euclinicaltrials:2008-005144-16