<status value="draft" /> <experimental value="true" /> <publisher value="NFDI4Health" /> <contact> <telecom> <system value="url" /> <value value="https://www.nfdi4health.de" /> </telecom> </contact> <description value="Value set defining codes to specify the phase of a study in a ResearchStudy resource." /> <compose> <include> <system value="http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl" /> <concept> <code value="C54721" /> <display value="Phase 0 Trial" /> </concept> <concept> <code value="C15600" /> <display value="Phase I Trial" /> </concept> <concept> <code value="C15693" /> <display value="Phase I/II Trial" /> </concept> <concept> <code value="C15601" /> <display value="Phase II Trial" /> </concept> <concept> <code value="C49686" /> <display value="Phase IIa Trial" /> </concept> <concept> <code value="C49688" /> <display value="Phase II b Trial" /> </concept> <concept> <code value="C15694" /> <display value="Phase II/III Trial" /> </concept> <concept> <code value="C15602" /> <display value="Phase III Trial" /> </concept> <concept> <code value="C49687" /> <display value="Phase IIIa Trial" /> </concept> <concept> <code value="C49689" /> <display value="Phase IIIb Trial" /> </concept> <concept> <code value="C15603" /> <display value="Phase IV Trial" /> </concept> <concept> <code value="C17649" /> <display value="Other" /> </concept> <concept> <code value="C48660" /> <display value="Not Applicable" /> </concept> </include> </compose> </ValueSet>