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Welcome Data Providers
  • The Clinical Trials Search Portal provides access to a central database containing the trial registration data sets provided by the registries listed on the right. It also provides links to the full original records.
  • To facilitate the unique identification of trials, the Search Portal bridges (groups together) multiple records about the same trial. More information

  • Please note: This Search Portal is not a clinical trials registry. How to register a trial

  • It is possible to export the results of the search into XML. More information

  • The Crawling service is currently not available. If you wish to use this service in 2024 or when it is made available please fill this survey https://www.surveymonkey.com/r/VT2625K

  • Australian New Zealand Clinical Trials Registry, last data file imported on 8 April 2024
  • Chinese Clinical Trial Registry, last data file imported on 8 April 2024
  • ClinicalTrials.gov, last data file imported on 8 April 2024
  • Clinical Trials Information System (CTIS), last data file imported on 2 April 2024
  • EU Clinical Trials Register (EU-CTR), last data file imported on 8 April 2024
  • ISRCTN, last data file imported on 8 April 2024
  • The Netherlands National Trial Register, last data file imported on 8 April 2024
  • Brazilian Clinical Trials Registry (ReBec), last data file imported on 2 April 2024
  • Clinical Trials Registry - India, last data file imported on 1 April 2024
  • Clinical Research Information Service - Republic of Korea, last data file imported on 2 April 2024
  • Cuban Public Registry of Clinical Trials, last data file imported on 1 April 2024
  • German Clinical Trials Register, last data file imported on 8 April 2024
  • Iranian Registry of Clinical Trials, last data file imported on 8 April 2024
  • Japan Registry of Clinical Trials (jRCT), last data file imported on 1 April 2024
  • Pan African Clinical Trial Registry, last data file imported on 8 April 2024
  • Sri Lanka Clinical Trials Registry, last data file imported on 1 April 2024
  • Thai Clinical Trials Registry (TCTR), last data file imported on 1 April 2024
  • Peruvian Clinical Trials Registry (REPEC), last data file imported on 12 March 2024
  • Lebanese Clinical Trials Registry (LBCTR), last data file imported on 1 April 2024
  • International Traditional Medicine Clinical Trial Registry (ITMCTR), last data file imported on 1 April 2024
Disclaimer: Trials posted on this search portal are not endorsed by WHO, but are provided as a service to our users. In no event shall the World Health Organization be liable for any damages arising from the use of the information linked to in this section. None of the information obtained through use of the search portal should in any way be used in clinical care without consulting a physician or licensed health professional. WHO is not responsible for the accuracy, completeness and/or use made of the content displayed for any trial record.
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