{
  "package" : "hl7.fhir.r5.core@5.0.0",
  "definition" : "Designation for optional exploratory trials conducted in accordance with the United States Food and Drug Administration's (FDA) 2006 Guidance on Exploratory Investigational New Drug (IND) Studies. Formerly called Phase 0.",
  "system" : "http://hl7.org/fhir/research-study-phase",
  "property" : [ ],
  "codesystem" : "d6704375-60aa-5ffa-9f76-e9f32ed02ba5",
  "concept_id" : "f055c567-0a35-5291-87bd-e7b49aa3e258",
  "ancestors" : {
    "early-phase-1" : 0
  },
  "id" : "9125901f-a123-45c8-913e-188a86acc4ff",
  "code" : "early-phase-1",
  "display" : "Early Phase 1",
  "version" : "5.0.0"
}