{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Type+I+Arnold+Chiari+Malformation",
    "query": {
      "condition": "Type I Arnold Chiari Malformation"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 4,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T04:01:14.514Z",
  "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": "NCT01060800",
      "title": "The Genetics of Chiari Type I Malformation",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chiari Type I Malformation"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 2000,
      "start_date": "2009-06",
      "completion_date": "2017-04-25",
      "has_results": false,
      "last_update_posted_date": "2020-04-02",
      "last_synced_at": "2026-05-22T04:01:14.514Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01060800"
    },
    {
      "nct_id": "NCT00004738",
      "title": "Genetic Analysis of the Chiari I Malformation",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Syringomyelia",
        "Type I Arnold Chiari Malformation"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Neurological Disorders and Stroke (NINDS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "1 Year and older"
      },
      "enrollment_count": 152,
      "start_date": "2001-06-04",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2026-05-07",
      "last_synced_at": "2026-05-22T04:01:14.514Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00004738"
    },
    {
      "nct_id": "NCT02669836",
      "title": "Posterior Fossa Decompression With or Without Duraplasty for Chiari Type I Malformation With Syringomyelia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Arnold-Chiari Malformation, Type 1",
        "Chiari Malformation Type I",
        "Type I Arnold-Chiari Malformation",
        "Syringomyelia"
      ],
      "interventions": [
        {
          "name": "Posterior fossa decompression",
          "type": "PROCEDURE"
        },
        {
          "name": "Dural Augmentation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "Up to 21 Years"
      },
      "enrollment_count": 162,
      "start_date": "2016-04",
      "completion_date": "2020-07-31",
      "has_results": true,
      "last_update_posted_date": "2024-10-31",
      "last_synced_at": "2026-05-22T04:01:14.514Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02669836"
    },
    {
      "nct_id": "NCT01382290",
      "title": "Magnetic Resonance Imaging of the Spine",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tethered Cord",
        "Chiari I Malformation"
      ],
      "interventions": [
        {
          "name": "MRI",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Children's Healthcare of Atlanta",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "Up to 18 Years"
      },
      "enrollment_count": 0,
      "start_date": "2008-03",
      "completion_date": "2009-12",
      "has_results": false,
      "last_update_posted_date": "2016-08-09",
      "last_synced_at": "2026-05-22T04:01:14.514Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01382290"
    }
  ]
}