{
  "@context": {
    "@version": 1.1,
    "ctg": "https://clinicaltrials.gov/ns/",
    "schema": "https://schema.org/",
    "xsd": "http://www.w3.org/2001/XMLSchema#",
    "dcterms": "http://purl.org/dc/terms/",

    "Study": {
      "@id": "ctg:Study",
      "@context": {
        "nctId": "ctg:nct_id",
        "briefTitle": "schema:name",
        "officialTitle": "ctg:official_title",
        "overallStatus": "ctg:overall_status",
        "phase": "ctg:phase",
        "studyType": "ctg:study_type",
        "conditions": {
          "@id": "ctg:conditions",
          "@container": "@set"
        },
        "interventions": {
          "@id": "ctg:interventions",
          "@container": "@set"
        },
        "leadSponsor": "schema:sponsor",
        "startDate": {
          "@id": "ctg:start_date",
          "@type": "xsd:date"
        },
        "completionDate": {
          "@id": "ctg:completion_date",
          "@type": "xsd:date"
        },
        "lastUpdateDate": {
          "@id": "dcterms:modified",
          "@type": "xsd:date"
        }
      }
    },

    "Sponsor": {
      "@id": "ctg:Sponsor",
      "@context": {
        "name": "schema:name",
        "agencyClass": "ctg:agency_class"
      }
    },

    "Intervention": {
      "@id": "ctg:Intervention",
      "@context": {
        "type": "ctg:intervention_type",
        "name": "schema:name",
        "description": "schema:description"
      }
    },

    "Condition": {
      "@id": "ctg:Condition",
      "@context": {
        "name": "schema:name"
      }
    },

    "EligibilityCriteria": {
      "@id": "ctg:EligibilityCriteria",
      "@context": {
        "minimumAge": "ctg:minimum_age",
        "maximumAge": "ctg:maximum_age",
        "sex": "schema:gender",
        "healthyVolunteers": "ctg:healthy_volunteers"
      }
    },

    "Location": {
      "@id": "ctg:Location",
      "@context": {
        "facility": "schema:name",
        "city": "schema:addressLocality",
        "state": "schema:addressRegion",
        "country": "schema:addressCountry",
        "status": "ctg:recruitment_status"
      }
    },

    "Outcome": {
      "@id": "ctg:Outcome",
      "@context": {
        "measure": "ctg:measure",
        "description": "schema:description",
        "timeFrame": "ctg:time_frame",
        "type": "ctg:outcome_type"
      }
    }
  }
}