{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ultrasound+Pulsed+Doppler+Imaging+System",
    "query": {
      "intervention": "Ultrasound Pulsed Doppler Imaging System"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 7,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-25T11:44:56.996Z",
  "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": "NCT06042517",
      "title": "Mechanisms of Ultrasound Neuromodulation Effects in Diabetes",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Insulin Sensitivity"
      ],
      "interventions": [
        {
          "name": "Ultrasound",
          "type": "DEVICE"
        },
        {
          "name": "OGTT with unlabeled glucose and liver NMR",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "OGTT with carbon-13 labeled glucose and liver NMR",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "CGM glucose reading",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "HEC - Hyperinsulinemic-Euglycemic-Clamp",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 77,
      "start_date": "2023-09-30",
      "completion_date": "2027-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-08-24",
      "last_synced_at": "2026-09-25T11:44:56.996Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06042517"
    },
    {
      "nct_id": "NCT07253818",
      "title": "Passive Leg Raising in Term Pregnancy on Hemodynamic Monitoring - Validating With Transthoracic ECHO (LG-ECHO)",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Maternity",
        "Pregnancy",
        "Labor and Delivery",
        "Hemodynamic Changes"
      ],
      "interventions": [
        {
          "name": "ClearSight™ System",
          "type": "DEVICE"
        },
        {
          "name": "Transthoracic Echocardiography",
          "type": "DEVICE"
        },
        {
          "name": "Passive Leg Raising (PLR) Maneuver",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "PROCEDURE"
      ],
      "sponsor": "Ayse Zeynep Turan Civraz",
      "sponsor_class": "OTHER_GOV",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2026-01-01",
      "completion_date": "2026-07-30",
      "has_results": false,
      "last_update_posted_date": "2026-01-29",
      "last_synced_at": "2026-09-25T11:44:56.996Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07253818"
    },
    {
      "nct_id": "NCT04632485",
      "title": "Early Detection of Vascular Dysfunction Using Biomarkers From Lagrangian Carotid Strain Imaging",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy",
        "Carotid Artery Diseases"
      ],
      "interventions": [
        {
          "name": "Ultrasound imaging",
          "type": "DEVICE"
        },
        {
          "name": "Magnetic Resonance Imaging (MRI)",
          "type": "DEVICE"
        },
        {
          "name": "Neurocognitive testing",
          "type": "OTHER"
        },
        {
          "name": "Transcranial Doppler (TCD)",
          "type": "DEVICE"
        },
        {
          "name": "Pulse Wave Doppler",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 217,
      "start_date": "2021-09-09",
      "completion_date": "2025-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-07-02",
      "last_synced_at": "2026-09-25T11:44:56.996Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04632485"
    },
    {
      "nct_id": "NCT01019343",
      "title": "Physiological Investigations of Movement Disorders",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parkinson's Disease",
        "Tourette's Syndrome",
        "Tic Disorders",
        "Dystonia",
        "Movement Disorders"
      ],
      "interventions": [
        {
          "name": "Transcranial Direct Current Stimulation (tDCS)",
          "type": "PROCEDURE"
        },
        {
          "name": "Eye-tracking Device",
          "type": "DEVICE"
        },
        {
          "name": "Pulsed vibrator",
          "type": "DEVICE"
        },
        {
          "name": "Gait Trainer Treadmill (GTT)",
          "type": "OTHER"
        },
        {
          "name": "Standard psychiatric scales SCID-I, YBOCS and SCI-OBS-lifetime and cognitive scales MMSE and MOCA",
          "type": "OTHER"
        },
        {
          "name": "iMobility",
          "type": "DEVICE"
        },
        {
          "name": "QMAT",
          "type": "DEVICE"
        },
        {
          "name": "Treadmill Test",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Arm Intellistretch Device",
          "type": "DEVICE"
        },
        {
          "name": "Transcranial Sonography (TCS)",
          "type": "PROCEDURE"
        },
        {
          "name": "Behavioral tasks",
          "type": "OTHER"
        },
        {
          "name": "TMS single/paired pulse",
          "type": "PROCEDURE"
        },
        {
          "name": "MEG",
          "type": "PROCEDURE"
        },
        {
          "name": "EEG",
          "type": "PROCEDURE"
        },
        {
          "name": "MRI techniques",
          "type": "PROCEDURE"
        },
        {
          "name": "Peripheral Nerve Stimulation",
          "type": "PROCEDURE"
        },
        {
          "name": "EMG",
          "type": "PROCEDURE"
        },
        {
          "name": "Trancutaneous spinal direct current stimulation (tsDCS)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DEVICE",
        "OTHER",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "National Institute of Neurological Disorders and Stroke (NINDS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1273,
      "start_date": "2009-12-08",
      "completion_date": "2020-10-09",
      "has_results": false,
      "last_update_posted_date": "2026-09-18",
      "last_synced_at": "2026-09-25T11:44:56.996Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01019343"
    },
    {
      "nct_id": "NCT06835647",
      "title": "Maternal Fetal Device Performance Twins",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pregnancy"
      ],
      "interventions": [
        {
          "name": "Investigational Fetal Monitor",
          "type": "DEVICE"
        },
        {
          "name": "Ultrasound Imaging Device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "GE Healthcare",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 18,
      "start_date": "2025-01-21",
      "completion_date": "2025-12-31",
      "has_results": true,
      "last_update_posted_date": "2026-09-22",
      "last_synced_at": "2026-09-25T11:44:56.996Z",
      "location_count": 1,
      "location_summary": "Louisville, Colorado",
      "locations": [
        {
          "city": "Louisville",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06835647"
    },
    {
      "nct_id": "NCT06934096",
      "title": "Ultrasound of the Spleen Utilizing Low-energy (Diagnostic Level) Insonification.",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hemostasis",
        "Blood Biomarkers",
        "Ultrasound"
      ],
      "interventions": [
        {
          "name": "Ultrasound Pulsed Doppler Imaging System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Northwell Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 39,
      "start_date": "2026-01-08",
      "completion_date": "2027-01-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-27",
      "last_synced_at": "2026-09-25T11:44:56.996Z",
      "location_count": 1,
      "location_summary": "Manhasset, New York",
      "locations": [
        {
          "city": "Manhasset",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06934096"
    },
    {
      "nct_id": "NCT04105816",
      "title": "Ultrasound for Rectus Femoris Measurement",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Muscle Atrophy, Proximal",
        "Muscle Atrophy",
        "ACL Tear",
        "Quadriceps Muscle Atrophy"
      ],
      "interventions": [
        {
          "name": "892.1550 Ultrasonic pulsed doppler imaging system",
          "type": "DEVICE"
        },
        {
          "name": "Thigh circumference measurement",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Robert Westermann",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 0,
      "start_date": "2020-12-01",
      "completion_date": "2021-12-31",
      "has_results": false,
      "last_update_posted_date": "2023-02-21",
      "last_synced_at": "2026-09-25T11:44:56.996Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04105816"
    }
  ]
}