{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Landmark+palpation",
    "query": {
      "intervention": "Landmark palpation"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-05T13:29:04.006Z",
  "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": "NCT03167190",
      "title": "Ultrasound-Assisted Lumbar Puncture",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Spinal Puncture",
        "Diagnostic Imaging"
      ],
      "interventions": [
        {
          "name": "Point-of-care ultrasound",
          "type": "PROCEDURE"
        },
        {
          "name": "Traditional Landmark-based Lumbar Puncture",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 32,
      "start_date": "2017-05-25",
      "completion_date": "2018-06-30",
      "has_results": false,
      "last_update_posted_date": "2020-01-09",
      "last_synced_at": "2026-09-05T13:29:04.006Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03167190"
    },
    {
      "nct_id": "NCT07798427",
      "title": "TruVascular Access - Ultrasound-Guided Vascular Access Study",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Peripheral Venous Catheterization",
        "Difficult Intravenous Access",
        "Catheterization, Peripheral"
      ],
      "interventions": [
        {
          "name": "Ultrasound-Guided Peripheral Vascular Access",
          "type": "PROCEDURE"
        },
        {
          "name": "Standard Peripheral Vascular Access",
          "type": "PROCEDURE"
        },
        {
          "name": "Point-of-Care Ultrasound System for Vascular Access Guidance",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DEVICE"
      ],
      "sponsor": "Truway Health, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 250,
      "start_date": "2026-09-15",
      "completion_date": "2030-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-01",
      "last_synced_at": "2026-09-05T13:29:04.006Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07798427"
    },
    {
      "nct_id": "NCT02096653",
      "title": "Fluoroscopically-guided Versus Landmark-guided Sacroiliac Joint Injections",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sacroiliac Joint Pain"
      ],
      "interventions": [
        {
          "name": "X-ray SI joint steroid injection",
          "type": "PROCEDURE"
        },
        {
          "name": "Landmark-guided SI steroid injection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 125,
      "start_date": "2014-05",
      "completion_date": "2017-11",
      "has_results": false,
      "last_update_posted_date": "2018-02-07",
      "last_synced_at": "2026-09-05T13:29:04.006Z",
      "location_count": 4,
      "location_summary": "San Diego, California • Baltimore, Maryland • Rockville, Maryland + 1 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Rockville",
          "state": "Maryland"
        },
        {
          "city": "Hershey",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02096653"
    },
    {
      "nct_id": "NCT03815045",
      "title": "Ultrasound Guided Diagnostic Lumbar Puncture in Neurology",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lumbar Puncture"
      ],
      "interventions": [
        {
          "name": "Landmark-based lumbar puncture",
          "type": "PROCEDURE"
        },
        {
          "name": "Ultrasound-guided lumbar puncture",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Dartmouth-Hitchcock Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 38,
      "start_date": "2017-07-20",
      "completion_date": "2023-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-01-31",
      "last_synced_at": "2026-09-05T13:29:04.006Z",
      "location_count": 1,
      "location_summary": "Lebanon, New Hampshire",
      "locations": [
        {
          "city": "Lebanon",
          "state": "New Hampshire"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03815045"
    },
    {
      "nct_id": "NCT02862964",
      "title": "Accuro Versus Traditional Landmark Palpation Technique to Determine Accurate Spinal Level for Procedures",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Low Back Pain"
      ],
      "interventions": [
        {
          "name": "identify L4/L5",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 106,
      "start_date": "2016-02",
      "completion_date": "2017-06-30",
      "has_results": false,
      "last_update_posted_date": "2022-03-10",
      "last_synced_at": "2026-09-05T13:29:04.006Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02862964"
    },
    {
      "nct_id": "NCT05258357",
      "title": "Landmark vs. Ultrasound-Assisted Bone Marrow Biopsy Procedure Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Bone Marrow Biopsy Procedure"
      ],
      "interventions": [
        {
          "name": "Ultrasound-assisted bone marrow biopsy",
          "type": "DEVICE"
        },
        {
          "name": "Landmark palpation bone marrow biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "PROCEDURE"
      ],
      "sponsor": "Medical College of Wisconsin",
      "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": "2022-05-18",
      "completion_date": "2026-05-12",
      "has_results": false,
      "last_update_posted_date": "2026-08-04",
      "last_synced_at": "2026-09-05T13:29:04.006Z",
      "location_count": 1,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05258357"
    },
    {
      "nct_id": "NCT04020042",
      "title": "Epidural Placement Using Handheld Ultrasound Device vs. Traditional Landmark Palpation",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Labor Pain"
      ],
      "interventions": [
        {
          "name": "Ultrasound image guidance",
          "type": "OTHER"
        },
        {
          "name": "Landmark palpation",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 74,
      "start_date": "2019-08-28",
      "completion_date": "2021-03-23",
      "has_results": false,
      "last_update_posted_date": "2022-06-01",
      "last_synced_at": "2026-09-05T13:29:04.006Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04020042"
    },
    {
      "nct_id": "NCT02918149",
      "title": "Ultrasound Assisted Lumbar Puncture in the Neonate",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lumbar Puncture"
      ],
      "interventions": [
        {
          "name": "Palpation Landmark Technique",
          "type": "OTHER"
        },
        {
          "name": "Ultrasound-Assisted Technique LP",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DEVICE"
      ],
      "sponsor": "Children's Hospital of Philadelphia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "6 Months",
        "sex": "ALL",
        "summary": "Up to 6 Months"
      },
      "enrollment_count": 91,
      "start_date": "2016-09",
      "completion_date": "2020-08-01",
      "has_results": true,
      "last_update_posted_date": "2026-07-13",
      "last_synced_at": "2026-09-05T13:29:04.006Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02918149"
    },
    {
      "nct_id": "NCT03214640",
      "title": "Rivanna Ultrasound for Neuraxial Block",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Analgesia"
      ],
      "interventions": [
        {
          "name": "Rivanna Accuro US Device",
          "type": "DEVICE"
        },
        {
          "name": "Palpation",
          "type": "OTHER"
        },
        {
          "name": "Neuraxial Analgesia",
          "type": "PROCEDURE"
        },
        {
          "name": "Spinal Block",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 128,
      "start_date": "2017-10-23",
      "completion_date": "2019-04-13",
      "has_results": true,
      "last_update_posted_date": "2021-07-28",
      "last_synced_at": "2026-09-05T13:29:04.006Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03214640"
    },
    {
      "nct_id": "NCT01859559",
      "title": "Evaluate Initial Success Rate of Ultrasound Guided Versus Landmark Approach For Peripheral Intravenous Access",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Patients With Peripheral Intravenous Access Lines"
      ],
      "interventions": [
        {
          "name": "Ultrasound-guided peripheral intravenous access line placement",
          "type": "PROCEDURE"
        },
        {
          "name": "Landmark Approach to peripheral intravenous access line placement",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "George Washington University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1189,
      "start_date": "2013-08",
      "completion_date": "2014-09",
      "has_results": false,
      "last_update_posted_date": "2018-12-07",
      "last_synced_at": "2026-09-05T13:29:04.006Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01859559"
    }
  ]
}