{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Ultrasound+Doppler&page=2",
    "query": {
      "condition": "Ultrasound Doppler",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Ultrasound+Doppler&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-07-22T10:56:29.728Z",
  "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": "NCT06073145",
      "title": "Transcranial Doppler Using Wearable Ultrasound Patch",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Medical Device Complication",
        "Brain Injuries",
        "Brain Diseases",
        "Stroke",
        "Vasospasm"
      ],
      "interventions": [
        {
          "name": "conventional transcranial Doppler probe and wearable ultrasound patch.",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 36,
      "start_date": "2022-09-27",
      "completion_date": "2024-04-08",
      "has_results": false,
      "last_update_posted_date": "2024-04-10",
      "last_synced_at": "2026-07-22T10:56:29.728Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06073145"
    },
    {
      "nct_id": "NCT05558228",
      "title": "Accuracy of Doppler Ultrasound Versus Manual Palpation of Pulse in Cardiac Arrest",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cardiac Arrest"
      ],
      "interventions": [
        {
          "name": "FloPatch FP120",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Northwell Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 35,
      "start_date": "2022-09-06",
      "completion_date": "2024-09-06",
      "has_results": false,
      "last_update_posted_date": "2023-09-28",
      "last_synced_at": "2026-07-22T10:56:29.728Z",
      "location_count": 1,
      "location_summary": "Manhasset, New York",
      "locations": [
        {
          "city": "Manhasset",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05558228"
    },
    {
      "nct_id": "NCT02634918",
      "title": "Ultrasonography in Hemophilic Joint Disease and Serum Markers",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hemophilia A",
        "Hemophilia B",
        "Hemarthroses"
      ],
      "interventions": [
        {
          "name": "ultrasound",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Northwell Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "18 Years",
        "sex": "MALE",
        "summary": "6 Months to 18 Years · Male only"
      },
      "enrollment_count": 30,
      "start_date": "2016-01",
      "completion_date": "2019-12",
      "has_results": false,
      "last_update_posted_date": "2020-02-13",
      "last_synced_at": "2026-07-22T10:56:29.728Z",
      "location_count": 1,
      "location_summary": "New Hyde Park, New York",
      "locations": [
        {
          "city": "New Hyde Park",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02634918"
    },
    {
      "nct_id": "NCT04242654",
      "title": "Doppler Ultrasound Compared With Stethoscope to Assess Heart Rate (HR)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Neonatal Resuscitation"
      ],
      "interventions": [
        {
          "name": "Handheld fetal doppler ultrasound",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "0 Hours",
        "maximum_age": "1 Hour",
        "sex": "ALL",
        "summary": "0 Hours to 1 Hour"
      },
      "enrollment_count": 32,
      "start_date": "2020-08-17",
      "completion_date": "2021-10-13",
      "has_results": false,
      "last_update_posted_date": "2022-01-10",
      "last_synced_at": "2026-07-22T10:56:29.728Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04242654"
    },
    {
      "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": "2026-07-22T10:56:29.728Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01618721"
    },
    {
      "nct_id": "NCT00504842",
      "title": "Transcranial Ultrasound in Clinical SONothrombolysis",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Acute Ischemic Stroke"
      ],
      "interventions": [
        {
          "name": "MRX-801",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "ImaRx Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 72,
      "start_date": "2006-12",
      "completion_date": "2008-03",
      "has_results": false,
      "last_update_posted_date": "2008-04-15",
      "last_synced_at": "2026-07-22T10:56:29.728Z",
      "location_count": 13,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Newport Beach, California + 9 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Englewood",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00504842"
    },
    {
      "nct_id": "NCT04095143",
      "title": "Ultrasound Markers of Organ Congestion in Severe Acute Kidney Injury",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Acute Kidney Injury",
        "Fluid Overload",
        "Ultrasonography"
      ],
      "interventions": [
        {
          "name": "Portal vein flow",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Intra-renal flow",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Hepatic vein flow",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Pulmonary B-lines",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Dimensions of the inferior vena cava",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Left ventricular function",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Right ventricular function",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Centre hospitalier de l'Université de Montréal (CHUM)",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 125,
      "start_date": "2018-09-04",
      "completion_date": "2022-09-01",
      "has_results": false,
      "last_update_posted_date": "2022-11-14",
      "last_synced_at": "2026-07-22T10:56:29.728Z",
      "location_count": 1,
      "location_summary": "Lexington, Kentucky",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04095143"
    },
    {
      "nct_id": "NCT04218084",
      "title": "Study to Evaluate the Effect of GBT440 on TCD in Pediatrics With Sickle Cell Disease",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Sickle Cell Disease"
      ],
      "interventions": [
        {
          "name": "Voxelotor",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "14 Years",
        "sex": "ALL",
        "summary": "2 Years to 14 Years"
      },
      "enrollment_count": 236,
      "start_date": "2020-11-11",
      "completion_date": "2024-11-06",
      "has_results": true,
      "last_update_posted_date": "2026-03-10",
      "last_synced_at": "2026-07-22T10:56:29.728Z",
      "location_count": 13,
      "location_summary": "Washington D.C., District of Columbia • Miami, Florida • Atlanta, Georgia + 5 more",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04218084"
    },
    {
      "nct_id": "NCT03296280",
      "title": "Evaluation of Implementation of a National Point-of-Care Ultrasound Training Program",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Other Acute Illnesses Presenting to the Hospital",
        "Heart Failure",
        "Pneumonia",
        "Deep Venous Thrombosis",
        "Cellulitis",
        "Abdominal Aortic Aneurysm",
        "Acute Cholecystitis",
        "Peritoneal Free Fluid",
        "Hydronephrosis",
        "Pleural Effusion",
        "Urinary Retention"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 116,
      "start_date": "2016-10-03",
      "completion_date": "2020-09-30",
      "has_results": true,
      "last_update_posted_date": "2020-11-23",
      "last_synced_at": "2026-07-22T10:56:29.728Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03296280"
    },
    {
      "nct_id": "NCT02123550",
      "title": "Doppler Ultrasound Imaging of Plastic Surgery Patients for DVT Detection",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Deep Venous Thrombosis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Swanson Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2000,
      "start_date": "2014-01",
      "completion_date": "2022-08",
      "has_results": false,
      "last_update_posted_date": "2018-09-10",
      "last_synced_at": "2026-07-22T10:56:29.728Z",
      "location_count": 1,
      "location_summary": "Leawood, Kansas",
      "locations": [
        {
          "city": "Leawood",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02123550"
    }
  ]
}