HL7 Terminology (THO)
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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

: Clinical Trials Information System

Active as of 2026-02-09

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<NamingSystem xmlns="http://hl7.org/fhir">
  <id value="CTIS"/>
  <language value="en"/>
  <text>
    <status value="generated"/>
    <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>
</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>
</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>
  </text>
  <url value="http://terminology.hl7.org/NamingSystem/CTIS"/>
  <version value="1.0.0"/>
  <name value="CTIS"/>
  <title value="Clinical Trials Information System"/>
  <status value="active"/>
  <kind value="identifier"/>
  <date value="2026-02-09T00:00:00-00:00"/>
  <publisher value="European Medicines Agency"/>
  <contact>
    <name value="European Medicines Agency"/>
    <telecom>
      <system value="url"/>
      <value value="https://euclinicaltrials.eu/"/>
    </telecom>
    <telecom>
      <system value="email"/>
      <value value="ct.communication@ema.europa.eu"/>
    </telecom>
  </contact>
  <responsible value="European Medicines Agency"/>
  <description
               value="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
             value="Reproduction is authorised provided the source is acknowledged"/>
  <uniqueId>
    <type value="uri"/>
    <value value="https://euclinicaltrials.eu/clinicalTrialId"/>
    <preferred value="true"/>
    <comment
             value="This is the URL endorsed by the TSMG and is considered authoritative."/>
    <period>
      <start value="2026-02-09"/>
    </period>
  </uniqueId>
</NamingSystem>