{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Ultrasound+Guidance&page=2",
    "query": {
      "condition": "Ultrasound Guidance",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 64,
    "total_pages": 7,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Ultrasound+Guidance&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Ultrasound+Guidance&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-01T18:37:53.980Z",
  "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": "NCT00876681",
      "title": "Ultrasound Guidance Versus Electrical Stimulation for Continuous Popliteal-Sciatic Nerve Blocks",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Postoperative Pain",
        "Foot Numbness"
      ],
      "interventions": [
        {
          "name": "Popliteal catheter placed via ultrasound or electrical stimulation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "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": 80,
      "start_date": "2008-04",
      "completion_date": "2009-04",
      "has_results": false,
      "last_update_posted_date": "2009-10-08",
      "last_synced_at": "2026-10-01T18:37:53.980Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00876681"
    },
    {
      "nct_id": "NCT04472702",
      "title": "Fluoroscopic Versus Ultrasound Guidance for Cooled Radiofrequency Ablation of Geniculate Nerves in Knee Osteoarthritis: A Randomized Control Trial",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Knee Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "cRFA",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "35 Years to 99 Years"
      },
      "enrollment_count": 90,
      "start_date": "2022-02-02",
      "completion_date": "2027-05-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-16",
      "last_synced_at": "2026-10-01T18:37:53.980Z",
      "location_count": 2,
      "location_summary": "Sacramento, California • Rochester, New York",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04472702"
    },
    {
      "nct_id": "NCT07353905",
      "title": "Intravascular Ultrasound Imaging Guidance for Optimal Revascularization of Limb Arteries",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Peripheral Arterial Disease",
        "Lower Extremity Arterial Disease"
      ],
      "interventions": [
        {
          "name": "Intravascular Ultrasound (IVUS)",
          "type": "DEVICE"
        },
        {
          "name": "Angiographic-guided Intervention",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Baylor Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 350,
      "start_date": "2025-12-12",
      "completion_date": "2028-07",
      "has_results": false,
      "last_update_posted_date": "2026-07-09",
      "last_synced_at": "2026-10-01T18:37:53.980Z",
      "location_count": 6,
      "location_summary": "Dallas, Texas • Fort Worth, Texas • McKinney, Texas + 3 more",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        },
        {
          "city": "Fort Worth",
          "state": "Texas"
        },
        {
          "city": "McKinney",
          "state": "Texas"
        },
        {
          "city": "Plano",
          "state": "Texas"
        },
        {
          "city": "Temple",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07353905"
    },
    {
      "nct_id": "NCT02420041",
      "title": "Comparing the Effects of Ultrasound Versus Fluoroscopy for Sacroiliac Joint Injections",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sacroiliitis"
      ],
      "interventions": [
        {
          "name": "Active comparator: Fluoroscopic Guided SIJ injection",
          "type": "PROCEDURE"
        },
        {
          "name": "Ultrasound Guided Sacroiliac Joint Injection",
          "type": "PROCEDURE"
        },
        {
          "name": "Havel's Inc. EchoStim (facet tip) 21 Gauge 4\" needle",
          "type": "DEVICE"
        },
        {
          "name": "SonoSite S-nerve",
          "type": "DEVICE"
        },
        {
          "name": "iohexol",
          "type": "DEVICE"
        },
        {
          "name": "triamcinolone/lidocaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "United States Naval Medical Center, San Diego",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 28,
      "start_date": "2012-10",
      "completion_date": "2014-03",
      "has_results": true,
      "last_update_posted_date": "2015-11-13",
      "last_synced_at": "2026-10-01T18:37:53.980Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02420041"
    },
    {
      "nct_id": "NCT04095091",
      "title": "Real-time Tumor Localization and Guidance for Radiotherapy Using Ultrasound (US) and Magnetic Resonance (MR)",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Tumor, Solid"
      ],
      "interventions": [
        {
          "name": "4D Planar US Transducer",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2017-09-14",
      "completion_date": "2019-10-04",
      "has_results": false,
      "last_update_posted_date": "2023-10-31",
      "last_synced_at": "2026-10-01T18:37:53.980Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04095091"
    },
    {
      "nct_id": "NCT01049906",
      "title": "Popliteal Sciatic Nerve Block Catheter Placement for Foot Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Foot Surgery",
        "Ankle Surgery"
      ],
      "interventions": [
        {
          "name": "Placement of nerve block catheter",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Mayo Clinic",
      "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": 21,
      "start_date": "2009-10",
      "completion_date": "2011-12",
      "has_results": false,
      "last_update_posted_date": "2012-06-21",
      "last_synced_at": "2026-10-01T18:37:53.980Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01049906"
    },
    {
      "nct_id": "NCT03938038",
      "title": "Guidance of Ultrasound in Intensive Care to Direct Euvolemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Acute Kidney Injury"
      ],
      "interventions": [
        {
          "name": "Serial ultrasound assessments for GDT",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Usual care",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "16 Years and older"
      },
      "enrollment_count": 415,
      "start_date": "2019-09-06",
      "completion_date": "2020-07-20",
      "has_results": true,
      "last_update_posted_date": "2024-04-26",
      "last_synced_at": "2026-10-01T18:37:53.980Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03938038"
    },
    {
      "nct_id": "NCT05992324",
      "title": "A Validation Study to Evaluate the Performance of Caption Health Lung Guidance and Interpretation",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Shortness of Breath"
      ],
      "interventions": [
        {
          "name": "Caption LungAI",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Caption Health, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 220,
      "start_date": "2023-07-17",
      "completion_date": "2025-03-01",
      "has_results": false,
      "last_update_posted_date": "2024-11-26",
      "last_synced_at": "2026-10-01T18:37:53.980Z",
      "location_count": 4,
      "location_summary": "New Haven, Connecticut • Chicago, Illinois • Greensboro, North Carolina",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Greensboro",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05992324"
    },
    {
      "nct_id": "NCT01693900",
      "title": "Efficacy of Fascia Iliaca Block Versus Intraoperative Nerve Infiltration During Anterior Hip Replacement Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "Pre-operative Ultrasound FICB Group",
          "type": "PROCEDURE"
        },
        {
          "name": "Intra-operative FICB Group",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Randy Fayne, DO",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 50,
      "start_date": "2012-08",
      "completion_date": "2015-01",
      "has_results": true,
      "last_update_posted_date": "2018-02-15",
      "last_synced_at": "2026-10-01T18:37:53.980Z",
      "location_count": 1,
      "location_summary": "Royal Oak, Michigan",
      "locations": [
        {
          "city": "Royal Oak",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01693900"
    },
    {
      "nct_id": "NCT03577912",
      "title": "Efficacy of Transversus Abdominis Plane (TAP) Block Techniques: Surgeon vs Anesthesia - Ultrasound Guidance",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Post Operative Analgesia",
        "Non-inferiority Trial"
      ],
      "interventions": [
        {
          "name": "TAP block administered by Surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "TAP block administered by Anesthesia",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Beth Israel Deaconess Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2015-08-17",
      "completion_date": "2018-07-31",
      "has_results": false,
      "last_update_posted_date": "2018-09-17",
      "last_synced_at": "2026-10-01T18:37:53.980Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03577912"
    }
  ]
}