{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=ultrasound-guided+spinal+anesthesia",
    "query": {
      "intervention": "ultrasound-guided spinal anesthesia"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 13,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=ultrasound-guided+spinal+anesthesia&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-06T13:32:22.865Z",
  "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": "NCT01988363",
      "title": "Greater Occipital Nerve Injection Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Occipital Neuralgia",
        "Cervicogenic Headache"
      ],
      "interventions": [
        {
          "name": "GON injection at C2 location",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "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": 15,
      "start_date": "2013-06",
      "completion_date": "2015-02",
      "has_results": false,
      "last_update_posted_date": "2015-03-11",
      "last_synced_at": "2026-10-06T13:32:22.865Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01988363"
    },
    {
      "nct_id": "NCT07216586",
      "title": "Zynrelef Versus Adductor Canal Block",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Knee Osteoarthritis",
        "Arthritis Knee"
      ],
      "interventions": [
        {
          "name": "ZYNRELEF 400Mg-12Mg Extended-Release Solution",
          "type": "DRUG"
        },
        {
          "name": "Ultrasound-Guided Adductor Canal Block",
          "type": "PROCEDURE"
        },
        {
          "name": "Ropivacaine 0.5% Injectable Solution",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "University of Miami",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 120,
      "start_date": "2027-01",
      "completion_date": "2028-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-12",
      "last_synced_at": "2026-10-06T13:32:22.865Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07216586"
    },
    {
      "nct_id": "NCT02292082",
      "title": "The Combination of Adductor Canal Block and Periarticular Injection. A Novel Technique for Patients Undergoing Total Knee Replacement (ACB PAI)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Bupivacaine",
          "type": "DRUG"
        },
        {
          "name": "Morphine",
          "type": "DRUG"
        },
        {
          "name": "Methylprednisolone",
          "type": "DRUG"
        },
        {
          "name": "Cefazolin",
          "type": "DRUG"
        },
        {
          "name": "Normal saline",
          "type": "DRUG"
        },
        {
          "name": "Midazolam",
          "type": "DRUG"
        },
        {
          "name": "Propofol",
          "type": "DRUG"
        },
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "8 MHz. Chiba needle, 22 G / 4 inches",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Hospital for Special Surgery, New York",
      "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": 111,
      "start_date": "2014-11",
      "completion_date": "2016-08",
      "has_results": true,
      "last_update_posted_date": "2019-01-11",
      "last_synced_at": "2026-10-06T13:32:22.865Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02292082"
    },
    {
      "nct_id": "NCT05708989",
      "title": "Caudal vs. Pudendal Block in Peds GU",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hypospadias",
        "Penile Torsion",
        "Chordee",
        "Phimosis"
      ],
      "interventions": [
        {
          "name": "Caudal Block",
          "type": "PROCEDURE"
        },
        {
          "name": "Ultrasound-guided Pudendal Block",
          "type": "PROCEDURE"
        },
        {
          "name": "Injectable 1 ml/kg of 0.25% ropivacaine with 1mcg/kg dexmedetomidine",
          "type": "DRUG"
        },
        {
          "name": "Injection of 0.5 ml/kg per side of injectable 0.2-0.3% ropivacaine with 0.5 mcg/kg dexmetomedine.",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "University Hospitals Cleveland Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "3 Years",
        "sex": "MALE",
        "summary": "6 Months to 3 Years · Male only"
      },
      "enrollment_count": 0,
      "start_date": "2023-03-06",
      "completion_date": "2025-05",
      "has_results": false,
      "last_update_posted_date": "2024-07-26",
      "last_synced_at": "2026-10-06T13:32:22.865Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05708989"
    },
    {
      "nct_id": "NCT04368364",
      "title": "A Randomized Control Trial Comparing Analgesic Benefits of Ultrasound-guided Single vs Continuous Quadratus Lumborum Blocks (QLB)vs Intrathecal Morphine(ITM) for Post Cesarean Section Pain",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "Intrathecal morphine sulfate (ITM)",
          "type": "DRUG"
        },
        {
          "name": "Bupivacaine hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "ropivacaine hydrochloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 3,
      "start_date": "2020-05-22",
      "completion_date": "2020-06-29",
      "has_results": true,
      "last_update_posted_date": "2022-05-16",
      "last_synced_at": "2026-10-06T13:32:22.865Z",
      "location_count": 2,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04368364"
    },
    {
      "nct_id": "NCT02996591",
      "title": "Spinal Versus General Anesthesia With Popliteal and Adductor Canal Blocks for Ambulatory Foot and Ankle Surgery.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Nerve Block",
        "General Anesthesia",
        "Spinal Anesthesia",
        "Pain",
        "Postoperative Nausea and Vomiting"
      ],
      "interventions": [
        {
          "name": "25 mL of 0.25% bupivacaine plus 2 mg preservative-free (PF) dexamethasone / 30 ml for popliteal nerve block",
          "type": "PROCEDURE"
        },
        {
          "name": "10 mL of 0.25% bupivacaine plus 2 mg preservative-free (PF) dexamethasone / 30 ml for adductor canal nerve block",
          "type": "PROCEDURE"
        },
        {
          "name": "Midazolam, 2-5 mg IV + Glycopyrrolate, 0.1 mg IV + Ketamine, 10-20 mg + propofol as needed",
          "type": "DRUG"
        },
        {
          "name": "45-60 mg of 1.5% mepivacaine for spinal anesthesia",
          "type": "PROCEDURE"
        },
        {
          "name": "LMA insertion + titrated propofol infusion + sevoflurane + ketamine 10 mg/hr for general anesthesia",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Hospital for Special Surgery, New York",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 36,
      "start_date": "2017-01",
      "completion_date": "2017-05",
      "has_results": true,
      "last_update_posted_date": "2019-11-12",
      "last_synced_at": "2026-10-06T13:32:22.865Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02996591"
    },
    {
      "nct_id": "NCT04630171",
      "title": "VerTouch Device: A Prospective Randomized Controlled Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pregnancy",
        "Pain"
      ],
      "interventions": [
        {
          "name": "Group #1: VerTouch utilized for identification of site for labor epidural or spinal anesthesia procedure",
          "type": "DEVICE"
        },
        {
          "name": "Group #2: Ultrasound (US) utilized for identification of site for labor epidural or spinal anesthesia procedure",
          "type": "DEVICE"
        },
        {
          "name": "Group #3: Control group, palpation utilized for identification of site for labor epidural or spinal anesthesia procedure",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 86,
      "start_date": "2021-01-01",
      "completion_date": "2023-11-29",
      "has_results": true,
      "last_update_posted_date": "2025-09-12",
      "last_synced_at": "2026-10-06T13:32:22.865Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04630171"
    },
    {
      "nct_id": "NCT05980546",
      "title": "Genicular and Anterior Femoral Cutaneous Nerve Blocks for Total Knee Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Total Knee Replacement",
        "Genicular Nerve Block",
        "Opioid Use"
      ],
      "interventions": [
        {
          "name": "Bupivacaine Injection",
          "type": "DRUG"
        },
        {
          "name": "Dexamethasone injection",
          "type": "DRUG"
        },
        {
          "name": "Fentanyl",
          "type": "DRUG"
        },
        {
          "name": "Mepivacaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hospital for Special Surgery, New York",
      "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": 244,
      "start_date": "2023-06-07",
      "completion_date": "2025-09-11",
      "has_results": false,
      "last_update_posted_date": "2025-10-08",
      "last_synced_at": "2026-10-06T13:32:22.865Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05980546"
    },
    {
      "nct_id": "NCT01570491",
      "title": "A Real-Time Ultrasound Guided Approach For Spinal Anesthesia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Patients Aged 55 or Older",
        "BMI More Than 40 kg/m2",
        "Scoliosis"
      ],
      "interventions": [
        {
          "name": "ultrasound-guided spinal anesthesia",
          "type": "OTHER"
        },
        {
          "name": "standard spinal anesthesia",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "The Cleveland Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "55 Years and older"
      },
      "enrollment_count": 38,
      "start_date": "2012-03",
      "completion_date": "2016-12",
      "has_results": true,
      "last_update_posted_date": "2019-07-26",
      "last_synced_at": "2026-10-06T13:32:22.865Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01570491"
    },
    {
      "nct_id": "NCT04500613",
      "title": "Erector Spinae Plane Blocks for Adolescent Idiopathic Scoliosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain, Postoperative",
        "Opioid Use",
        "Recruitment"
      ],
      "interventions": [
        {
          "name": "Bilateral Erector Spinae Plane Block with bupivacaine and dexamethasone",
          "type": "PROCEDURE"
        },
        {
          "name": "No bilateral Erector Spinae Plane Block (no bupivacaine and no dexamethasone)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Hospital for Special Surgery, New York",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "19 Years",
        "sex": "ALL",
        "summary": "10 Years to 19 Years"
      },
      "enrollment_count": 24,
      "start_date": "2021-02-22",
      "completion_date": "2022-12-02",
      "has_results": true,
      "last_update_posted_date": "2024-12-27",
      "last_synced_at": "2026-10-06T13:32:22.865Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04500613"
    }
  ]
}