HL7 Terminology (THO), published by HL7 International - Vocabulary Work Group. This guide is not an authorized publication; it is the continuous build for version 7.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/UTG/ and changes regularly. See the Directory of published versions

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: Clinical Trials Information System

Active as of 2026-02-09

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{
  "resourceType" : "NamingSystem",
  "id" : "CTIS",
  "language" : "en",
  "text" : {
    "status" : "generated",
    "div" : "<div xml:lang=\"en\" xmlns=\"http://www.w3.org/1999/xhtml\" lang=\"en\"><p class=\"res-header-id\"><b>Generated Narrative: NamingSystem CTIS</b></p><a name=\"CTIS\"> </a><a name=\"hcCTIS\"> </a><div style=\"display: inline-block; background-color: #d9e0e7; padding: 6px; margin: 4px; border: 1px solid #8da1b4; border-radius: 5px; line-height: 60%\"><p style=\"margin-bottom: 0px\">Language: en</p></div><h3>Summary</h3><table class=\"grid\"><tr><td>Defining URL</td><td>http://terminology.hl7.org/NamingSystem/CTIS</td></tr><tr><td>Version</td><td>1.0.0</td></tr><tr><td>Name</td><td>CTIS</td></tr><tr><td>Title</td><td>Clinical Trials Information System</td></tr><tr><td>Status</td><td>active</td></tr><tr><td>Definition</td><td><div><p>CTIS is a <a href=\"https://www.who.int/clinical-trials-registry-platform/network/primary-registries\">primary registry of the World Health Organization</a> (WHO). Data from trials published on this website is included in the search portal of <a href=\"https://trialsearch.who.int/\">WHO's International Clinical Trials Registry Platform (ICTRP)</a>. This applies to relevant clinical trial data, <a href=\"https://www.who.int/clinical-trials-registry-platform/network/who-data-set\">as required by WHO</a>, which has been published on CTIS since the launch of the system on 31 January 2022. For more information, see <a href=\"https://euclinicaltrials.eu/\">https://euclinicaltrials.eu/</a>.</p>\n</div></td></tr><tr><td>Publisher</td><td>European Medicines Agency</td></tr><tr><td>Copyright</td><td><div><p>Reproduction is authorised provided the source is acknowledged</p>\n</div></td></tr></table><h3>Identifiers</h3><table class=\"grid\"><tr><td><b>Type</b></td><td><b>Value</b></td><td><b>Preferred</b></td><td><b>Period</b></td><td><b>Comment</b></td></tr><tr><td>URI</td><td>https://euclinicaltrials.eu/clinicalTrialId</td><td>true</td><td>2026-02-09 --&gt; (ongoing)</td><td>This is the URL endorsed by the TSMG and is considered authoritative.</td></tr></table></div>"
  },
  "url" : "http://terminology.hl7.org/NamingSystem/CTIS",
  "version" : "1.0.0",
  "name" : "CTIS",
  "title" : "Clinical Trials Information System",
  "status" : "active",
  "kind" : "identifier",
  "date" : "2026-02-09T00:00:00-00:00",
  "publisher" : "European Medicines Agency",
  "contact" : [
    {
      "name" : "European Medicines Agency",
      "telecom" : [
        {
          "system" : "url",
          "value" : "https://euclinicaltrials.eu/"
        },
        {
          "system" : "email",
          "value" : "ct.communication@ema.europa.eu"
        }
      ]
    }
  ],
  "responsible" : "European Medicines Agency",
  "description" : "CTIS is a [primary registry of the World Health Organization](https://www.who.int/clinical-trials-registry-platform/network/primary-registries) (WHO). Data from trials published on this website is included in the search portal of [WHO's International Clinical Trials Registry Platform (ICTRP)](https://trialsearch.who.int/). This applies to relevant clinical trial data, [as required by WHO](https://www.who.int/clinical-trials-registry-platform/network/who-data-set), which has been published on CTIS since the launch of the system on 31 January 2022. For more information, see [https://euclinicaltrials.eu/](https://euclinicaltrials.eu/).",
  "copyright" : "Reproduction is authorised provided the source is acknowledged",
  "uniqueId" : [
    {
      "type" : "uri",
      "value" : "https://euclinicaltrials.eu/clinicalTrialId",
      "preferred" : true,
      "comment" : "This is the URL endorsed by the TSMG and is considered authoritative.",
      "period" : {
        "start" : "2026-02-09"
      }
    }
  ]
}