{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Guillain-Barr%C3%A9",
    "query": {
      "condition": "Guillain-Barré"
    },
    "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": "2026-05-22T03:08:17.501Z",
  "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": "NCT05095844",
      "title": "National Vaccine Adverse Event Reporting Survey and Etiology",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COVID-19",
        "Vaccine Adverse Reaction",
        "Vaccine Reaction",
        "Vaccine or Biological Substance, Unspecified Causing Adverse Effects in Therapeutic Use",
        "Corona Virus Infection",
        "Blood Clot",
        "Thrombocytopenia",
        "Neuritis",
        "Vasculitis",
        "Influenza",
        "Guillain-Barré",
        "GWAS",
        "Genetic Sequencing"
      ],
      "interventions": [
        {
          "name": "vaccinated",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Neuroganics LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "5 Years to 99 Years"
      },
      "enrollment_count": 100000,
      "start_date": "2022-03-15",
      "completion_date": "2024-04-01",
      "has_results": false,
      "last_update_posted_date": "2022-03-18",
      "last_synced_at": "2026-05-22T03:08:17.501Z",
      "location_count": 1,
      "location_summary": "Northglenn, Colorado",
      "locations": [
        {
          "city": "Northglenn",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05095844"
    },
    {
      "nct_id": "NCT05701189",
      "title": "Evaluating Efgartigimod in Patients With Guillain-Barré Syndrome",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Guillain-Barre Syndrome"
      ],
      "interventions": [
        {
          "name": "Efgartigimod Alfa-Fcab",
          "type": "DRUG"
        },
        {
          "name": "Intravenous Immunoglobulin (IVIg)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Chafic Karam",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2024-09-10",
      "completion_date": "2026-02-20",
      "has_results": false,
      "last_update_posted_date": "2026-03-12",
      "last_synced_at": "2026-05-22T03:08:17.501Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05701189"
    },
    {
      "nct_id": "NCT03710278",
      "title": "The Effectiveness and Safety of Human Lumbar Puncture Assist Device (LPat)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Meningitis",
        "Encephalitis",
        "Guillain-Barré",
        "Subarachnoid Hemorrhage",
        "Intracranial Neoplasm",
        "Intracranial CNS Disorder"
      ],
      "interventions": [
        {
          "name": "LPat Device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Spartanburg Regional Healthcare System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 5,
      "start_date": "2017-12-21",
      "completion_date": "2019-01-23",
      "has_results": false,
      "last_update_posted_date": "2019-09-18",
      "last_synced_at": "2026-05-22T03:08:17.501Z",
      "location_count": 1,
      "location_summary": "Spartanburg, South Carolina",
      "locations": [
        {
          "city": "Spartanburg",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03710278"
    },
    {
      "nct_id": "NCT07020819",
      "title": "An Open Label Clinical Study to Evaluate Tanruprubart (Also Commonly Known as ANX005) in Participants With Guillain-Barré Syndrome (FORWARD Study)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Guillain-Barre Syndrome"
      ],
      "interventions": [
        {
          "name": "Tanruprubart",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Annexon, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "12 Years to 85 Years"
      },
      "enrollment_count": 30,
      "start_date": "2025-09-12",
      "completion_date": "2028-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-02-20",
      "last_synced_at": "2026-05-22T03:08:17.501Z",
      "location_count": 8,
      "location_summary": "Scottsdale, Arizona • Orange, California • Aurora, Colorado + 4 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Shreveport",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07020819"
    },
    {
      "nct_id": "NCT00575653",
      "title": "Safety Study of GBS Following Menactra Meningococcal Vaccination",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Guillain-Barre Syndrome"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Harvard Pilgrim Health Care",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "11 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "11 Years to 21 Years"
      },
      "enrollment_count": 6000000,
      "start_date": "2005-03",
      "completion_date": "2010-12-31",
      "has_results": false,
      "last_update_posted_date": "2017-03-16",
      "last_synced_at": "2026-05-22T03:08:17.501Z",
      "location_count": 6,
      "location_summary": "Wilmington, Delaware • Honolulu, Hawaii • Boston, Massachusetts + 3 more",
      "locations": [
        {
          "city": "Wilmington",
          "state": "Delaware"
        },
        {
          "city": "Honolulu",
          "state": "Hawaii"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Waltham",
          "state": "Massachusetts"
        },
        {
          "city": "Blue Bell",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00575653"
    },
    {
      "nct_id": "NCT01582763",
      "title": "International Guillain-Barré Syndrome Outcome Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Guillain-Barré Syndrome",
        "Miller Fisher Syndrome"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Erasmus Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 2000,
      "start_date": "2012-05-01",
      "completion_date": "2024-12-02",
      "has_results": false,
      "last_update_posted_date": "2024-12-12",
      "last_synced_at": "2026-05-22T03:08:17.501Z",
      "location_count": 26,
      "location_summary": "Phoenix, Arizona • Orange, California • New Haven, Connecticut + 19 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01582763"
    }
  ]
}