{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=pain+blocking&page=19",
    "query": {
      "intervention": "pain blocking",
      "page": 19
    },
    "page_size": 10
  },
  "pagination": {
    "page": 19,
    "page_size": 10,
    "total_count": 757,
    "total_pages": 76,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=pain+blocking&page=20&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=pain+blocking&page=18&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-20T01:07:45.615Z",
  "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": "NCT04181632",
      "title": "Evaluation of Pain Alleviating Strategies During Allergy Shots",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Immunotherapy",
        "Allergy"
      ],
      "interventions": [
        {
          "name": "Buzzy Bee with Ice pack",
          "type": "DEVICE"
        },
        {
          "name": "Buzzy Bee without Ice pack",
          "type": "DEVICE"
        },
        {
          "name": "Shot Blocker",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Nemours Children's Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "4 Years to 17 Years"
      },
      "enrollment_count": 40,
      "start_date": "2019-05-20",
      "completion_date": "2020-08-31",
      "has_results": true,
      "last_update_posted_date": "2023-06-29",
      "last_synced_at": "2026-10-20T01:07:45.615Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04181632"
    },
    {
      "nct_id": "NCT01015807",
      "title": "Transversus Abdominis Plane (TAP) Block for Cesarean Section",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hyperalgesia, Secondary"
      ],
      "interventions": [
        {
          "name": "Bupivacaine Placebo",
          "type": "DRUG"
        },
        {
          "name": "Clonidine Placebo",
          "type": "DRUG"
        },
        {
          "name": "Bupivacaine",
          "type": "DRUG"
        },
        {
          "name": "Clonidine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 90,
      "start_date": "2009-11",
      "completion_date": "2012-08",
      "has_results": true,
      "last_update_posted_date": "2017-10-23",
      "last_synced_at": "2026-10-20T01:07:45.615Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01015807"
    },
    {
      "nct_id": "NCT04077398",
      "title": "Volume vs Concentration: Quadratus Lumborum Blocks With High Volume/Low Concentration or Low Volume/ High Concentration in Nephrectomies",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Analgesia",
        "Postoperative Pain",
        "Block"
      ],
      "interventions": [
        {
          "name": "Ropivacaine 0.5% Injectable Solution",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bruce Ben-David",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 0,
      "start_date": "2020-01-22",
      "completion_date": "2021-08-01",
      "has_results": false,
      "last_update_posted_date": "2021-02-16",
      "last_synced_at": "2026-10-20T01:07:45.615Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04077398"
    },
    {
      "nct_id": "NCT02473198",
      "title": "Femoral Nerve Block Compared to Exparel in Total Knee Replacement",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Osteoarthritis",
        "Pain"
      ],
      "interventions": [
        {
          "name": "Exparel",
          "type": "DRUG"
        },
        {
          "name": "Femoral Nerve Block Bupivacaine",
          "type": "DRUG"
        },
        {
          "name": "Toradol",
          "type": "DRUG"
        },
        {
          "name": "Morphine Sulfate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The New England Baptist Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "73 Years",
        "sex": "ALL",
        "summary": "18 Years to 73 Years"
      },
      "enrollment_count": 312,
      "start_date": "2014-01",
      "completion_date": "2017-02",
      "has_results": false,
      "last_update_posted_date": "2016-03-17",
      "last_synced_at": "2026-10-20T01:07:45.615Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02473198"
    },
    {
      "nct_id": "NCT05280197",
      "title": "Does an Abdominal Wall Nerve Block During Surgery Help Reduce Pain From Kidney Transplantation?",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Kidney Transplantation"
      ],
      "interventions": [
        {
          "name": "TAP block",
          "type": "PROCEDURE"
        },
        {
          "name": "liposomal bupivacaine plus free bupivacaine",
          "type": "DRUG"
        },
        {
          "name": "normal saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "The Cleveland Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 224,
      "start_date": "2022-01-08",
      "completion_date": "2023-11-08",
      "has_results": false,
      "last_update_posted_date": "2025-06-18",
      "last_synced_at": "2026-10-20T01:07:45.615Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05280197"
    },
    {
      "nct_id": "NCT03195413",
      "title": "Early Ultrasound-guided Nerve Block for Painful Hand Injuries in the Emergency Department",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hand Injuries",
        "Hand Injuries and Disorders"
      ],
      "interventions": [
        {
          "name": "Ultrasound-guided forearm nerve block",
          "type": "PROCEDURE"
        },
        {
          "name": "1:1 volume measured solution of: 1% lidocaine without epinephrine and 0.5% bupivacaine without epinephrine",
          "type": "DRUG"
        },
        {
          "name": "Bedside ultrasound machine",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2017-07-01",
      "completion_date": "2018-07-10",
      "has_results": false,
      "last_update_posted_date": "2018-10-24",
      "last_synced_at": "2026-10-20T01:07:45.615Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03195413"
    },
    {
      "nct_id": "NCT02447029",
      "title": "Self-Administered Lidocaine Gel for Pain Management With First Trimester Surgical Abortion: A Randomized Controlled Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pregnancy, Unwanted"
      ],
      "interventions": [
        {
          "name": "vaginal 2% Xylocaine",
          "type": "DRUG"
        },
        {
          "name": "standard lidocaine paracervical block",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Stanford University",
      "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": 142,
      "start_date": "2015-04",
      "completion_date": "2016-01",
      "has_results": true,
      "last_update_posted_date": "2024-02-14",
      "last_synced_at": "2026-10-20T01:07:45.615Z",
      "location_count": 1,
      "location_summary": "San Jose, California",
      "locations": [
        {
          "city": "San Jose",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02447029"
    },
    {
      "nct_id": "NCT06299137",
      "title": "Ultrasound Guided Serratus Anterior Plane Block in ED Patients With Rib Fractures",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Rib Fractures",
        "Pain Acute",
        "Regional Anesthesia",
        "Opioid Use"
      ],
      "interventions": [
        {
          "name": "Serratus Anterior Plane Block",
          "type": "PROCEDURE"
        },
        {
          "name": "Ropivacaine injection",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Rhode Island Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2024-07-01",
      "completion_date": "2025-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-02-18",
      "last_synced_at": "2026-10-20T01:07:45.615Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06299137"
    },
    {
      "nct_id": "NCT04840654",
      "title": "Pudendal vs Caudal Block for Pediatric Penile Surgery",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Postoperative Pain"
      ],
      "interventions": [
        {
          "name": "Caudal Block",
          "type": "PROCEDURE"
        },
        {
          "name": "Pudendal Block",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "3 Years",
        "sex": "ALL",
        "summary": "6 Months to 3 Years"
      },
      "enrollment_count": 19,
      "start_date": "2021-05-01",
      "completion_date": "2024-10-02",
      "has_results": false,
      "last_update_posted_date": "2025-07-24",
      "last_synced_at": "2026-10-20T01:07:45.615Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04840654"
    },
    {
      "nct_id": "NCT02570022",
      "title": "Liposomal Bupivacaine in Total Shoulder Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "Liposomal bupivacaine",
          "type": "DRUG"
        },
        {
          "name": "Inter-scalene nerve block",
          "type": "PROCEDURE"
        },
        {
          "name": "Ropivacaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Henry Ford Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 57,
      "start_date": "2014-10",
      "completion_date": "2016-06",
      "has_results": true,
      "last_update_posted_date": "2016-10-13",
      "last_synced_at": "2026-10-20T01:07:45.615Z",
      "location_count": 1,
      "location_summary": "Detroit, Michigan",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02570022"
    }
  ]
}