{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=TCD",
    "query": {
      "condition": "TCD"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 50,
    "total_pages": 5,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=TCD&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-22T18:36:49.817Z",
  "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": "NCT01345305",
      "title": "Biomarker Development in Sturge-Weber Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sturge-Weber Syndrome"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Hugo W. Moser Research Institute at Kennedy Krieger, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "6 Months to 21 Years"
      },
      "enrollment_count": 40,
      "start_date": "2010-07",
      "completion_date": "2012-11",
      "has_results": false,
      "last_update_posted_date": "2020-04-16",
      "last_synced_at": "2026-07-22T18:36:49.817Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01345305"
    },
    {
      "nct_id": "NCT04483440",
      "title": "Dose Escalation Study of Intravitreal 4D-110 in Patients With Choroideremia",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Choroideremia"
      ],
      "interventions": [
        {
          "name": "4D-110",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "4D Molecular Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 13,
      "start_date": "2020-06-02",
      "completion_date": "2027-08-31",
      "has_results": false,
      "last_update_posted_date": "2025-05-22",
      "last_synced_at": "2026-07-22T18:36:49.817Z",
      "location_count": 2,
      "location_summary": "Dallas, Texas • Salt Lake City, Utah",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04483440"
    },
    {
      "nct_id": "NCT05848297",
      "title": "Automated Robotic TCD in Traumatic Brain Injury",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Brain Injuries, Traumatic"
      ],
      "interventions": [
        {
          "name": "Transcranial Doppler ultrasonography (TCD)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Virginia Commonwealth University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2025-05-20",
      "completion_date": "2027-05",
      "has_results": false,
      "last_update_posted_date": "2026-06-03",
      "last_synced_at": "2026-07-22T18:36:49.817Z",
      "location_count": 3,
      "location_summary": "Davis, California • Winston-Salem, North Carolina • Richmond, Virginia",
      "locations": [
        {
          "city": "Davis",
          "state": "California"
        },
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        },
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05848297"
    },
    {
      "nct_id": "NCT05045703",
      "title": "The Dark-Adapted Retinal Function Response in Choroideremia (DARC) Study",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Choroideremia"
      ],
      "interventions": [
        {
          "name": "Vitamin A palmitate",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "15 Years and older · Male only"
      },
      "enrollment_count": 0,
      "start_date": "2023-05",
      "completion_date": "2024-05",
      "has_results": false,
      "last_update_posted_date": "2023-06-29",
      "last_synced_at": "2026-07-22T18:36:49.817Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05045703"
    },
    {
      "nct_id": "NCT07013396",
      "title": "Transcranial Doppler Evaluation After Endovascular Thrombectomy for Acute Ischemic Stroke (PRECISE-TCD)",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Anterior Cerebral Artery Syndrome",
        "Anterior Cerebral Artery Stroke",
        "Acute Ischemic Stroke",
        "Cardioembolic Stroke",
        "Vasogenic Cerebral Edema"
      ],
      "interventions": [
        {
          "name": "Transcranial Doppler (TCD) examination",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Virginia Commonwealth University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2026-08",
      "completion_date": "2029-08",
      "has_results": false,
      "last_update_posted_date": "2026-07-16",
      "last_synced_at": "2026-07-22T18:36:49.817Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07013396"
    },
    {
      "nct_id": "NCT02994368",
      "title": "\"Natural History\" Study of Choroideremia",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Choroideremia"
      ],
      "interventions": [
        {
          "name": "Observation",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "4D Molecular Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 57,
      "start_date": "2016-12",
      "completion_date": "2021-10",
      "has_results": false,
      "last_update_posted_date": "2022-01-06",
      "last_synced_at": "2026-07-22T18:36:49.817Z",
      "location_count": 3,
      "location_summary": "Dallas, Texas • Houston, Texas • Salt Lake City, Utah",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02994368"
    },
    {
      "nct_id": "NCT04604015",
      "title": "RoBotic TCD Ultrasound BubbLe Study Compared to Transthoracic Echocardiography for Detection of Right to Left Shunt",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Embolic Stroke of Undetermined Source",
        "Transient Ischemic Attack",
        "Right-To-Left Atrial Shunt",
        "Patent Foramen Ovale"
      ],
      "interventions": [
        {
          "name": "NeuralBot Investigational System",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Transthoracic Echocardiography (TTE)",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "NeuraSignal Inc dba NovaSignal",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 154,
      "start_date": "2020-10-06",
      "completion_date": "2021-11-02",
      "has_results": true,
      "last_update_posted_date": "2024-01-24",
      "last_synced_at": "2026-07-22T18:36:49.817Z",
      "location_count": 7,
      "location_summary": "Phoenix, Arizona • Portland, Oregon • Chattanooga, Tennessee + 3 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Chattanooga",
          "state": "Tennessee"
        },
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04604015"
    },
    {
      "nct_id": "NCT02354300",
      "title": "Transcranial Doppler Ultrasound Monitoring During Flow-Diverter Embolization",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Intracranial Aneurysm",
        "Aneurysm, Intracranial",
        "Giant Intracranial Aneurysm"
      ],
      "interventions": [
        {
          "name": "TCD Ultrasound",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2,
      "start_date": "2015-04",
      "completion_date": "2015-05",
      "has_results": false,
      "last_update_posted_date": "2016-08-26",
      "last_synced_at": "2026-07-22T18:36:49.817Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02354300"
    },
    {
      "nct_id": "NCT02604667",
      "title": "Mechanisms of Ischemic Stroke in Cancer Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Stroke",
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Blood tests",
          "type": "OTHER"
        },
        {
          "name": "Transcranial Doppler Microemboli Detection Study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2016-04-08",
      "completion_date": "2020-09-01",
      "has_results": false,
      "last_update_posted_date": "2021-05-05",
      "last_synced_at": "2026-07-22T18:36:49.817Z",
      "location_count": 2,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02604667"
    },
    {
      "nct_id": "NCT01773252",
      "title": "Right to Left Cardiac Shunt Detection",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Right to Left Shunt",
        "Patent Foramen Ovale",
        "Atrial Septal Defect"
      ],
      "interventions": [
        {
          "name": "Flow Detection System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Cardiox Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 141,
      "start_date": "2012-11",
      "completion_date": "2015-11",
      "has_results": false,
      "last_update_posted_date": "2015-11-13",
      "last_synced_at": "2026-07-22T18:36:49.817Z",
      "location_count": 8,
      "location_summary": "Phoenix, Arizona • Los Angeles, California • Aurora, Colorado + 5 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01773252"
    }
  ]
}