{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Doppler+Ultrasound&page=2",
    "query": {
      "intervention": "Doppler Ultrasound",
      "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?intervention=Doppler+Ultrasound&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-30T01:46:18.631Z",
  "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": "NCT00953953",
      "title": "Study of Left Ventricular Dyssynchrony in Heart Failure Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Phillips ultrasound system",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Albert Einstein Healthcare Network",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 16,
      "start_date": "2007-01",
      "completion_date": "2011-10",
      "has_results": false,
      "last_update_posted_date": "2012-01-26",
      "last_synced_at": "2026-09-30T01:46:18.631Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00953953"
    },
    {
      "nct_id": "NCT00212485",
      "title": "Study to Evaluate the Use of Ultrasound in the Diagnosis of Hemophilic Joint Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Inherited Bleeding Disorders"
      ],
      "interventions": [
        {
          "name": "Power Doppler Sonography",
          "type": "PROCEDURE"
        },
        {
          "name": "MRI",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "New York Presbyterian Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "1 Year to 60 Years"
      },
      "enrollment_count": 43,
      "start_date": "2005-09",
      "completion_date": "2009-05",
      "has_results": false,
      "last_update_posted_date": "2010-07-01",
      "last_synced_at": "2026-09-30T01:46:18.631Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00212485"
    },
    {
      "nct_id": "NCT00066976",
      "title": "Studying Fetal Breathing Patterns",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pregnancy"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2003-08-05",
      "completion_date": "2008-03-03",
      "has_results": false,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-09-30T01:46:18.631Z",
      "location_count": 2,
      "location_summary": "San Diego, California • Bethesda, Maryland",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00066976"
    },
    {
      "nct_id": "NCT04692818",
      "title": "3D Ultrasound Breast Imaging",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Tumor"
      ],
      "interventions": [
        {
          "name": "GE Logiq E10 clinical ultrasound scanner",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Verasonics research scanner",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 125,
      "start_date": "2021-11-10",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-01",
      "last_synced_at": "2026-09-30T01:46:18.631Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04692818"
    },
    {
      "nct_id": "NCT01240356",
      "title": "CLOTBUST Hands-Free: A Phase I/II Pilot Safety Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Stroke"
      ],
      "interventions": [
        {
          "name": "2-MHz transcranial Doppler ultrasound",
          "type": "DEVICE"
        },
        {
          "name": "2-MHz transcranial Doppler ultrasound insonation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 35,
      "start_date": "2008-12",
      "completion_date": "2013-10",
      "has_results": true,
      "last_update_posted_date": "2016-05-23",
      "last_synced_at": "2026-09-30T01:46:18.631Z",
      "location_count": 2,
      "location_summary": "Birmingham, Alabama • Houston, Texas",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01240356"
    },
    {
      "nct_id": "NCT07729228",
      "title": "Pulse Detection in Cardiac Arrest Patients Using a Doppler Ultrasound Patch on the Carotid Artery",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cardiac Arrest (CA)",
        "Return of Spontaneous Circulation",
        "CPR Quality Assessment"
      ],
      "interventions": [
        {
          "name": "Ultrasound doppler perfusion monitoring",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Heartstream US LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 20,
      "start_date": "2026-08-15",
      "completion_date": "2027-08-15",
      "has_results": false,
      "last_update_posted_date": "2026-07-27",
      "last_synced_at": "2026-09-30T01:46:18.631Z",
      "location_count": 1,
      "location_summary": "Manhasset, New York",
      "locations": [
        {
          "city": "Manhasset",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07729228"
    },
    {
      "nct_id": "NCT05938829",
      "title": "Fetal Growth Restriction: Management Using Two Guidelines - Fetal Growth Antenatal Management Evaluation",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Fetal Growth Retardation"
      ],
      "interventions": [
        {
          "name": "Ultrasound following the SMFM guidelines",
          "type": "OTHER"
        },
        {
          "name": "Ultrasound following the ISUOG guidelines",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1100,
      "start_date": "2023-07-01",
      "completion_date": "2025-12-01",
      "has_results": false,
      "last_update_posted_date": "2023-07-11",
      "last_synced_at": "2026-09-30T01:46:18.631Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05938829"
    },
    {
      "nct_id": "NCT00776035",
      "title": "Sex and Obesity: Effects on Heart Failure Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Obesity",
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "PET (Positron Emission Tomography)",
          "type": "PROCEDURE"
        },
        {
          "name": "Echocardiogram",
          "type": "PROCEDURE"
        },
        {
          "name": "^15O-water",
          "type": "RADIATION"
        },
        {
          "name": "1-^11C-palmitate",
          "type": "RADIATION"
        },
        {
          "name": "1-^11C-glucose",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "20 Years to 65 Years"
      },
      "enrollment_count": 19,
      "start_date": "2000-02-01",
      "completion_date": "2011-04-02",
      "has_results": true,
      "last_update_posted_date": "2024-05-03",
      "last_synced_at": "2026-09-30T01:46:18.631Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00776035"
    },
    {
      "nct_id": "NCT04743362",
      "title": "A Study of Noninvasive Methods to Evaluate Skin and Mucosal Conditions",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Skin Lesion",
        "Mucosal Lesion"
      ],
      "interventions": [
        {
          "name": "Dermoscopic imaging",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "3-dimensional total body photography",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Confocal microscopy",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Optical Coherence Tomography imaging",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Ultrasound",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Hyperspectral imaging",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Electrical impedance spectroscopy",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Patient self-imaging",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 5010,
      "start_date": "2021-02-02",
      "completion_date": "2031-08-02",
      "has_results": false,
      "last_update_posted_date": "2026-04-23",
      "last_synced_at": "2026-09-30T01:46:18.631Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04743362"
    },
    {
      "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": "2026-09",
      "completion_date": "2029-08",
      "has_results": false,
      "last_update_posted_date": "2026-09-14",
      "last_synced_at": "2026-09-30T01:46:18.631Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07013396"
    }
  ]
}