{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Doppler+Ultrasound",
    "query": {
      "intervention": "Doppler Ultrasound"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 164,
    "total_pages": 17,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Doppler+Ultrasound&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-05T07:23:26.766Z",
  "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": "NCT07553858",
      "title": "Endoscopic Shunts Embolization for Refractory Hepatic Encephalopathy",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hepatic Encephalopathy",
        "Liver Cirrhosis",
        "Portal Shunt Systemic"
      ],
      "interventions": [
        {
          "name": "Endoscopic ultrasound-guided transgastric embolization of the spontaneous portosystemic shunts",
          "type": "PROCEDURE"
        },
        {
          "name": "Interventional Radiology for shunt embolization/retrograde tranvenous obliteration",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Rutgers, The State University of New Jersey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 34,
      "start_date": "2026-05-01",
      "completion_date": "2028-11-01",
      "has_results": false,
      "last_update_posted_date": "2026-04-28",
      "last_synced_at": "2026-09-05T07:23:26.766Z",
      "location_count": 1,
      "location_summary": "Newark, New Jersey",
      "locations": [
        {
          "city": "Newark",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07553858"
    },
    {
      "nct_id": "NCT07613918",
      "title": "Brain Blood Flow and Cerebral Autoregulation Monitoring in Critically Ill Children",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Critical Illness",
        "Pediatric Critical Illness",
        "Respiratory Failure",
        "Traumatic Brain Injury",
        "Cardiac Arrest"
      ],
      "interventions": [
        {
          "name": "Transcranial Doppler",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Day",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "1 Day to 17 Years"
      },
      "enrollment_count": 125,
      "start_date": "2026-08-03",
      "completion_date": "2028-05",
      "has_results": false,
      "last_update_posted_date": "2026-08-27",
      "last_synced_at": "2026-09-05T07:23:26.766Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07613918"
    },
    {
      "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": "2026-09-05T07:23:26.766Z",
      "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": "NCT04126018",
      "title": "Comparative Imaging Assessment of Valvular Heart Disease",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Valve Heart Disease",
        "Aortic Stenosis",
        "Aortic Regurgitation"
      ],
      "interventions": [
        {
          "name": "MRI with strain measurement",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Echocardiography",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "The Cleveland Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 200,
      "start_date": "2019-08-23",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-01-13",
      "last_synced_at": "2026-09-05T07:23:26.766Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04126018"
    },
    {
      "nct_id": "NCT07756398",
      "title": "Importance of Point-of-Care Ultrasound for Early Detection of Valvular and Cardiac Diseases (IMPROVE)",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Valvular Heart Disease Patients",
        "Aortic Stenosis",
        "Mitral Regurgitation",
        "Left Ventricular Diastolic Dysfunction"
      ],
      "interventions": [
        {
          "name": "Kosmos Torso-One AI-guided Point-of-Care Ultrasound (EchoNous, Inc.)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "65 Years to 85 Years"
      },
      "enrollment_count": 1088,
      "start_date": "2026-08-01",
      "completion_date": "2028-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-17",
      "last_synced_at": "2026-09-05T07:23:26.766Z",
      "location_count": 2,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07756398"
    },
    {
      "nct_id": "NCT01618721",
      "title": "Detection and Characterization of Pulmonary Disease by Transthoracic Doppler (TTD)",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Disease, Chronic Obstructive",
        "Lung Disease, Interstitial"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Echosense Ltd.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2011-12",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2014-06-24",
      "last_synced_at": "2026-09-05T07:23:26.766Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01618721"
    },
    {
      "nct_id": "NCT00815958",
      "title": "Embolic Events Detected During Total Knee Arthroplasty With the Use of RIA (Reamer-Irrigator-Aspirator)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Total Knee Replacement"
      ],
      "interventions": [
        {
          "name": "Reaming with Synthes RIA (Reamer-Irrigator-Aspirator)",
          "type": "PROCEDURE"
        },
        {
          "name": "Reaming with conventional reamer",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 6,
      "start_date": "2007-12",
      "completion_date": "2009-03",
      "has_results": false,
      "last_update_posted_date": "2017-01-24",
      "last_synced_at": "2026-09-05T07:23:26.766Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00815958"
    },
    {
      "nct_id": "NCT00906906",
      "title": "Validation of Venous Cannulae Flow Ratings",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cardiopulmonary Bypass"
      ],
      "interventions": [
        {
          "name": "Doppler probes",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "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": "2008-01",
      "completion_date": "2009-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-01-24",
      "last_synced_at": "2026-09-05T07:23:26.766Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00906906"
    },
    {
      "nct_id": "NCT00935727",
      "title": "Elastographic Imaging of Renal Transplants",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Renal Transplant"
      ],
      "interventions": [
        {
          "name": "Elastographic imaging",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2006-06",
      "completion_date": "2009-06",
      "has_results": false,
      "last_update_posted_date": "2009-07-09",
      "last_synced_at": "2026-09-05T07:23:26.766Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00935727"
    },
    {
      "nct_id": "NCT07087691",
      "title": "Efficacy of OneMark Device in Identifying Breast Cancer for Surgery and Surveillance",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "OneMark device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2025-12-22",
      "completion_date": "2028-09",
      "has_results": false,
      "last_update_posted_date": "2026-02-03",
      "last_synced_at": "2026-09-05T07:23:26.766Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07087691"
    }
  ]
}