What this source helps you find
Discover ongoing and completed trials indexed from multiple registries in ICTRP.
Public sources / INT
WHO ICTRP — registre des essais
Discover ongoing and completed trials indexed from multiple registries in ICTRP.
Provenance and evidence type
- Operator or reference institution
- World Health Organization
- Result type
- Discovery catalogue or portal
Trace the record to the producer and distributed resource. The cataloguing body need not collect or verify the data.
Two records of a trial are not two trials; completion, posted results and article remain distinct.
Provenance reference
Limit to retain in your conclusion
Return to the source registry and trial ID. Two records from one trial are not two studies; registration does not establish published results or effectiveness.
Useful search anchors
- NCT identifier
- Exact query
- Producer / publisher
Fields to record when citing a result
- Document identifier
- Observed status
- Publication date
- Version / revision
Evidence record to retain
Registered trial, protocol and results available separately. Document or deposit version, publication and modification dates.
Check before drawing a conclusion
Return to the source registry and trial ID. Two records from one trial are not two studies; registration does not establish published results or effectiveness.
Access, download and API conditions depend on the service. Consult the official documentation and the resource terms.
Cross-check this source in a research route
Link a registered trial to publication
Return from ICTRP to the original registry, keep secondary IDs and search for an article by trial ID.
Two records of a trial are not two trials; completion, posted results and article remain distinct.
Compare sourcesUseful methods
- Verify a research reference and its version
- Trace the evidence behind a claim
- Qualify an open source before using it
Other sources in this family
Before export or reuse
- Coverage
- INT
- Identifiers to retain
- Document identifier · Observed status · Publication date · Version / revision
Licence and rights
Inspect the exact resource and its terms. Being viewable does not authorise redistribution; retain the resource licence and restrictions instead of inferring them from the portal.
Date and version
Record consultation date, covered period, last update and version separately. For revised data, retain the file or exact extraction reference.
What object does the result describe?
- Result unit
- Registered trial, protocol and results available separately
- Time reference to retain
- Document or deposit version, publication and modification dates.
Documentation and access
The web page, export and API may differ in coverage or terms. Check pagination, filters, authentication, quotas and licence for the access method used.