{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ultrasound+%28US%29&page=2",
    "query": {
      "intervention": "Ultrasound (US)",
      "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=Ultrasound+%28US%29&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-28T15:32:02.083Z",
  "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": "NCT02389140",
      "title": "Blood Flow Within Active Myofascial Trigger Points Following Massage",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myofascial Pain",
        "Tension-type Headache"
      ],
      "interventions": [
        {
          "name": "Trigger point release",
          "type": "OTHER"
        },
        {
          "name": "Ultrasound",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "21 Years to 49 Years"
      },
      "enrollment_count": 28,
      "start_date": "2015-03",
      "completion_date": "2017-01",
      "has_results": false,
      "last_update_posted_date": "2017-09-01",
      "last_synced_at": "2026-09-28T15:32:02.083Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02389140"
    },
    {
      "nct_id": "NCT04755335",
      "title": "Ultrasonic Perfusion Estimation in Calf Muscle",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Peripheral Arterial Disease"
      ],
      "interventions": [
        {
          "name": "Ultrasound",
          "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": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 87,
      "start_date": "2020-02-28",
      "completion_date": "2023-05-29",
      "has_results": false,
      "last_update_posted_date": "2025-04-23",
      "last_synced_at": "2026-09-28T15:32:02.083Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04755335"
    },
    {
      "nct_id": "NCT03933670",
      "title": "Hyperpolarized Pyruvate (13C) MR Imaging in Monitoring Patients With Prostate Cancer on Active Surveillance",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prostate Adenocarcinoma",
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Hyperpolarized Carbon C 13 Pyruvate",
          "type": "DRUG"
        },
        {
          "name": "Magnetic Resonance Spectroscopic Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "MRI Ultrasound Fusion Guided Biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 60,
      "start_date": "2018-07-18",
      "completion_date": "2028-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-18",
      "last_synced_at": "2026-09-28T15:32:02.083Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03933670"
    },
    {
      "nct_id": "NCT02835950",
      "title": "TReatment Of Pulmonary HYpertension 1-US Study",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pulmonary Arterial Hypertension"
      ],
      "interventions": [
        {
          "name": "Therapeutic Intra-Vascular UltraSound (TIVUS™) System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "SoniVie Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2017-03-01",
      "completion_date": "2023-12",
      "has_results": false,
      "last_update_posted_date": "2023-08-21",
      "last_synced_at": "2026-09-28T15:32:02.083Z",
      "location_count": 4,
      "location_summary": "San Diego, California • Ann Arbor, Michigan • New York, New York + 1 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02835950"
    },
    {
      "nct_id": "NCT04189523",
      "title": "Does Early Administration of Ultrasound Guided Regional Anesthesia for Long Bone Fractures Effect Long Term Patient Opioid Usage",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Bone Fracture",
        "Opioid Use",
        "Opioid Dependence"
      ],
      "interventions": [
        {
          "name": "SOC Pain Management",
          "type": "OTHER"
        },
        {
          "name": "Early US Guided Nerve Block Administration",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Wayne 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": 54,
      "start_date": "2019-09-01",
      "completion_date": "2020-06",
      "has_results": false,
      "last_update_posted_date": "2019-12-12",
      "last_synced_at": "2026-09-28T15:32:02.083Z",
      "location_count": 2,
      "location_summary": "Detroit, Michigan",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04189523"
    },
    {
      "nct_id": "NCT01099254",
      "title": "Internal Jugular Vein Cross Sectional Area",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Central Venous Pressure"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Iowa",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 38,
      "start_date": "2007-08",
      "completion_date": "2010-03",
      "has_results": false,
      "last_update_posted_date": "2023-11-15",
      "last_synced_at": "2026-09-28T15:32:02.083Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01099254"
    },
    {
      "nct_id": "NCT07722065",
      "title": "Handheld US Device to Verify Vascular Cannulation",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Surgery"
      ],
      "interventions": [
        {
          "name": "Sonosite",
          "type": "DEVICE"
        },
        {
          "name": "Lumify®",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Alok Moharir",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "6 Years",
        "sex": "ALL",
        "summary": "1 Year to 6 Years"
      },
      "enrollment_count": 100,
      "start_date": "2026-08",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-07-23",
      "last_synced_at": "2026-09-28T15:32:02.083Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07722065"
    },
    {
      "nct_id": "NCT06999798",
      "title": "An Optimized Ultrasound Twinkling Marker for the Imaging of Lymph Nodes in Patients With Clinically Node-Positive Breast Cancer, The UTMOST2 Trial",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Anatomic Stage II Breast Cancer AJCC v8",
        "Anatomic Stage III Breast Cancer AJCC v8",
        "Anatomic Stage IV Breast Cancer AJCC v8",
        "Locally Advanced Breast Carcinoma"
      ],
      "interventions": [
        {
          "name": "Diagnostic Mammography",
          "type": "PROCEDURE"
        },
        {
          "name": "Resection",
          "type": "PROCEDURE"
        },
        {
          "name": "Ultrasound Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Twinkling Marker Placement",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DEVICE"
      ],
      "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": 20,
      "start_date": "2025-08-29",
      "completion_date": "2027-11-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-23",
      "last_synced_at": "2026-09-28T15:32:02.083Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06999798"
    },
    {
      "nct_id": "NCT06818175",
      "title": "Physical Exam, Static & Dynamic Ultrasound Assessment, & Treatment of Thoracolumbar Fascia (TLF) Mediated Low Back Pain",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Low Back Pain",
        "Chronic Low-back Pain",
        "Acute Low Back Pain"
      ],
      "interventions": [
        {
          "name": "Ultrsound Guided Hydrodissection of the Thoracolumbar Fascia",
          "type": "PROCEDURE"
        },
        {
          "name": "Osteopathic Manipulative Treatment (OMT)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Edward Via Virginia College of Osteopathic Medicine",
      "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": 200,
      "start_date": "2023-09-01",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-13",
      "last_synced_at": "2026-09-28T15:32:02.083Z",
      "location_count": 1,
      "location_summary": "Blacksburg, Virginia",
      "locations": [
        {
          "city": "Blacksburg",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06818175"
    },
    {
      "nct_id": "NCT07505797",
      "title": "ATUSA Ultrasound Diagnostic Imaging for Breast Lesions Evaluation (AUDIBLE) - iSono Health",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer",
        "Benign Breast Condition",
        "Breast Fibroadenoma",
        "Breast Neoplasms",
        "Breast Disease",
        "Breast Cancer Female",
        "Breast Pain",
        "Breast Cancer Invasive",
        "Breast Cancer Detection"
      ],
      "interventions": [
        {
          "name": "ATUSA 3D Automated Breast Ultrasound System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "iSono Health, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "94 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 94 Years · Female only"
      },
      "enrollment_count": 800,
      "start_date": "2025-12-16",
      "completion_date": "2027-08",
      "has_results": false,
      "last_update_posted_date": "2026-09-17",
      "last_synced_at": "2026-09-28T15:32:02.083Z",
      "location_count": 2,
      "location_summary": "Sacramento, California • Cypress, Texas",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Cypress",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07505797"
    }
  ]
}