{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Japanese+Encephalitis",
    "query": {
      "condition": "Japanese Encephalitis"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 6,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-22T10:07:47.495Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT00314132",
      "title": "Safety Study of ChimeriVax™-JE Vaccine to Prevent Japanese Encephalitis.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Encephalitis",
        "Japanese Encephalitis"
      ],
      "interventions": [
        {
          "name": "ChimeriVax-JE, Japanese Encephalitis vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "0.9% Saline",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2004,
      "start_date": "2005-10",
      "completion_date": "2006-11",
      "has_results": true,
      "last_update_posted_date": "2012-12-06",
      "last_synced_at": "2026-07-22T10:07:47.495Z",
      "location_count": 16,
      "location_summary": "Burbank, California • Costa Mesa, California • Davis, California + 13 more",
      "locations": [
        {
          "city": "Burbank",
          "state": "California"
        },
        {
          "city": "Costa Mesa",
          "state": "California"
        },
        {
          "city": "Davis",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Vallejo",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00314132"
    },
    {
      "nct_id": "NCT00319592",
      "title": "A Safety and Efficacy Study of Two Japanese Encephalitis Vaccines ChimeriVaxTM-JE and JE-VAX",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Japanese Encephalitis"
      ],
      "interventions": [
        {
          "name": "ChimeriVax™-JE vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "JE-VAX® vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "48 Years",
        "sex": "ALL",
        "summary": "18 Years to 48 Years"
      },
      "enrollment_count": 60,
      "start_date": "2005-05",
      "completion_date": "2006-09",
      "has_results": true,
      "last_update_posted_date": "2012-08-20",
      "last_synced_at": "2026-07-22T10:07:47.495Z",
      "location_count": 1,
      "location_summary": "Lenexa, Kansas",
      "locations": [
        {
          "city": "Lenexa",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00319592"
    },
    {
      "nct_id": "NCT01335412",
      "title": "Safety Surveillance After Immunization With IXIARO",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Japanese Encephalitis"
      ],
      "interventions": [
        {
          "name": "Japanese Encephalitis Virus vaccine, inactivated, adsorbed",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Valneva Austria GmbH",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "17 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "17 Years and older"
      },
      "enrollment_count": 20000,
      "start_date": "2011-03",
      "completion_date": "2013-06",
      "has_results": false,
      "last_update_posted_date": "2015-03-10",
      "last_synced_at": "2026-07-22T10:07:47.495Z",
      "location_count": 1,
      "location_summary": "Alexandria, Virginia",
      "locations": [
        {
          "city": "Alexandria",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01335412"
    },
    {
      "nct_id": "NCT01047839",
      "title": "Immunogenicity and Safety of the Japanese Encephalitis Vaccine IC51 (IXIARO®, JESPECT®) in a Pediatric Population in Non-endemic Countries",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Encephalitis"
      ],
      "interventions": [
        {
          "name": "IC51",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Valneva Austria GmbH",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "2 Months",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "2 Months to 17 Years"
      },
      "enrollment_count": 100,
      "start_date": "2010-01",
      "completion_date": "2013-08",
      "has_results": true,
      "last_update_posted_date": "2020-06-30",
      "last_synced_at": "2026-07-22T10:07:47.495Z",
      "location_count": 4,
      "location_summary": "Tampa, Florida • Baltimore, Maryland • Boston, Massachusetts + 1 more",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01047839"
    },
    {
      "nct_id": "NCT01246479",
      "title": "Long Term Immunity and Safety Following Vaccination With the JEV IC51 (IXIARO®, JESPECT®) in Pediatric Population In Non Endemic Countries. Uncontrolled, Ph3 FU-Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Japanese Encephalitis"
      ],
      "interventions": [
        {
          "name": "Blood draw",
          "type": "PROCEDURE"
        },
        {
          "name": "IC51 has given in the parent study IC51-322",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BIOLOGICAL"
      ],
      "sponsor": "Valneva Austria GmbH",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "9 Months",
        "maximum_age": "20 Years",
        "sex": "ALL",
        "summary": "9 Months to 20 Years"
      },
      "enrollment_count": 23,
      "start_date": "2010-10",
      "completion_date": "2014-09",
      "has_results": true,
      "last_update_posted_date": "2020-03-18",
      "last_synced_at": "2026-07-22T10:07:47.495Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01246479"
    },
    {
      "nct_id": "NCT00314145",
      "title": "A Safety and Efficacy Study of Two Japanese Encephalitis Vaccines ChimeriVax™-JE and JE-VAX",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Japanese Encephalitis"
      ],
      "interventions": [
        {
          "name": "ChimeriVax™-JE",
          "type": "BIOLOGICAL"
        },
        {
          "name": "JE-VAX®",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 820,
      "start_date": "2005-11",
      "completion_date": "2006-11",
      "has_results": true,
      "last_update_posted_date": "2012-12-06",
      "last_synced_at": "2026-07-22T10:07:47.495Z",
      "location_count": 5,
      "location_summary": "Chicago, Illinois • Shawnee Mission, Kansas • Missoula, Montana + 2 more",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Shawnee Mission",
          "state": "Kansas"
        },
        {
          "city": "Missoula",
          "state": "Montana"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        },
        {
          "city": "Tacoma",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00314145"
    }
  ]
}