{
  "package" : "hl7.fhir.r5.core@5.0.0",
  "definition" : "A clinical trial that is conducted early in phase 1, involves very limited human exposure, and has no therapeutic or diagnostic intent (e.g., screening studies, microdose studies). ",
  "system" : "http://hl7.org/fhir/study-design",
  "property" : [ {
    "_uri" : "http://hl7.org/fhir/concept-properties#parent",
    "code" : "parent",
    "_implicit" : true,
    "valueCode" : "SEVCO:01030"
  } ],
  "codesystem" : "bb32c5f8-166a-5db4-919c-9554be080f5c",
  "concept_id" : "b750ceae-6692-5cb5-8da8-5d167c61b0ed",
  "ancestors" : {
    "SEVCO:01001" : 3,
    "SEVCO:01029" : 2,
    "SEVCO:01030" : 1,
    "SEVCO:01031" : 0
  },
  "id" : "365364aa-31ce-4264-88fd-9e3daf7d9611",
  "code" : "SEVCO:01031",
  "display" : "Exploratory investigational new drug study",
  "designation" : [ {
    "use" : {
      "display" : "Alternative term"
    },
    "value" : "Phase 0 study"
  }, {
    "use" : {
      "display" : "Alternative term"
    },
    "value" : "Pre-clinical trial"
  }, {
    "use" : {
      "display" : "Alternative term"
    },
    "value" : "Exploratory IND study"
  } ],
  "version" : "5.0.0"
}