{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=pain+blocking&page=14",
    "query": {
      "intervention": "pain blocking",
      "page": 14
    },
    "page_size": 10
  },
  "pagination": {
    "page": 14,
    "page_size": 10,
    "total_count": 757,
    "total_pages": 76,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=pain+blocking&page=15&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=pain+blocking&page=13&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-19T14:52:52.757Z",
  "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": "NCT00194636",
      "title": "Effectiveness of Sympathetic Plexus Block on Male Pelvic Pain (Prostatitis, Prostatodynia)",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Chronic Male Pelvic Pain Syndrome",
        "Prostatitis"
      ],
      "interventions": [
        {
          "name": "nerve block",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "MALE",
        "summary": "18 Years to 65 Years · Male only"
      },
      "enrollment_count": 20,
      "start_date": "2003-11",
      "completion_date": "2006-11",
      "has_results": false,
      "last_update_posted_date": "2017-04-07",
      "last_synced_at": "2026-10-19T14:52:52.757Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00194636"
    },
    {
      "nct_id": "NCT01621230",
      "title": "Effects of Bupivacaine Induced Motor Blockade During the Second Stage of Labor",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pregnancy"
      ],
      "interventions": [
        {
          "name": "Epidural Bupivacaine plus fentanyl",
          "type": "DRUG"
        },
        {
          "name": "Epidural fentanyl",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "44 Years",
        "sex": "FEMALE",
        "summary": "16 Years to 44 Years · Female only"
      },
      "enrollment_count": 481,
      "start_date": "2009-09",
      "completion_date": "2013-07",
      "has_results": true,
      "last_update_posted_date": "2020-08-24",
      "last_synced_at": "2026-10-19T14:52:52.757Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01621230"
    },
    {
      "nct_id": "NCT02904993",
      "title": "Study Comparing Regional Anesthetic Blocks and Periarticular Infiltration for the Management of Post-operative Pain After Direct Anterior Total Hip Arthroplasty",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Degenerative Joint Disease"
      ],
      "interventions": [
        {
          "name": "L2 paravertebral block",
          "type": "OTHER"
        },
        {
          "name": "periarticular injection group",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 9,
      "start_date": "2016-05",
      "completion_date": "2016-10",
      "has_results": false,
      "last_update_posted_date": "2016-11-16",
      "last_synced_at": "2026-10-19T14:52:52.757Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02904993"
    },
    {
      "nct_id": "NCT03230565",
      "title": "Continuous Infusions vs Scheduled Bolus Infusions",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Surgical Procedure, Unspecified",
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "Ropivacaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 240,
      "start_date": "2018-06-01",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2025-12-08",
      "last_synced_at": "2026-10-19T14:52:52.757Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03230565"
    },
    {
      "nct_id": "NCT06340932",
      "title": "Impact of Opioid Avoidance Protocol for ACL Reconstruction",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "ACL Tear",
        "Post Operative Pain"
      ],
      "interventions": [
        {
          "name": "Iovera",
          "type": "DEVICE"
        },
        {
          "name": "Celecoxib",
          "type": "DRUG"
        },
        {
          "name": "Acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "Oxycodone",
          "type": "DRUG"
        },
        {
          "name": "Tramadol",
          "type": "DRUG"
        },
        {
          "name": "Bupivacaine Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Acetaminophen 500Mg Cap",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Matthew Varacallo",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "15 Years and older"
      },
      "enrollment_count": 32,
      "start_date": "2024-04-27",
      "completion_date": "2025-02-01",
      "has_results": false,
      "last_update_posted_date": "2025-03-07",
      "last_synced_at": "2026-10-19T14:52:52.757Z",
      "location_count": 1,
      "location_summary": "DuBois, Pennsylvania",
      "locations": [
        {
          "city": "DuBois",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06340932"
    },
    {
      "nct_id": "NCT06731998",
      "title": "Optimal Perioperative Pain Control in Minimally Invasive Abdominal Cancer Surgery",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Oncologic Surgery",
        "Cancer",
        "Cancer Surgery",
        "Hepatic Cancer",
        "Gastric (Cardia, Body) Cancer",
        "Biliary Tract Cancer",
        "Pancreatic Cancer Resectable",
        "Gynecologic Cancers",
        "Gastrointestinal Cancers",
        "Colorectal Cancer",
        "Minimally Invasive Surgical Procedures"
      ],
      "interventions": [
        {
          "name": "Local Anesthesia",
          "type": "PROCEDURE"
        },
        {
          "name": "Laparoscopic Transversus Abdominis Plane block",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Allegheny Singer Research Institute (also known as Allegheny Health Network Research Institute)",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 48,
      "start_date": "2025-02-05",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2025-09-18",
      "last_synced_at": "2026-10-19T14:52:52.757Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06731998"
    },
    {
      "nct_id": "NCT03253198",
      "title": "Prospective RCT Comparing Perioperative Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Arthroplasty Shoulder"
      ],
      "interventions": [
        {
          "name": "Saline",
          "type": "DRUG"
        },
        {
          "name": "Bupivacaine liposome",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Rothman Institute Orthopaedics",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 156,
      "start_date": "2016-08",
      "completion_date": "2017-07",
      "has_results": false,
      "last_update_posted_date": "2018-05-22",
      "last_synced_at": "2026-10-19T14:52:52.757Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03253198"
    },
    {
      "nct_id": "NCT06709716",
      "title": "Impact of Preoperative Quadratus Lumborum Block on Postoperative Opioid Consumption After Laparoscopic Hysterectomy",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Postoperative Pain",
        "Laparoscopic Hysterectomy",
        "Nerve Block",
        "Quadratus Lumborum Block"
      ],
      "interventions": [
        {
          "name": "Quadratus Lumborum Block (QLB)",
          "type": "DRUG"
        },
        {
          "name": "Quadratus lumborum block",
          "type": "DRUG"
        },
        {
          "name": "Local Anesthetic Solution",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Walter Reed National Military Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 76,
      "start_date": "2024-12-01",
      "completion_date": "2026-02",
      "has_results": false,
      "last_update_posted_date": "2024-11-29",
      "last_synced_at": "2026-10-19T14:52:52.757Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06709716"
    },
    {
      "nct_id": "NCT00279487",
      "title": "Preanalgesic Effect of Gabapentin in Total Knee Repair",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "Gabapentin",
          "type": "DRUG"
        },
        {
          "name": "Placebos",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Texas Health Resources",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 24,
      "start_date": null,
      "completion_date": "2007-08",
      "has_results": false,
      "last_update_posted_date": "2016-10-26",
      "last_synced_at": "2026-10-19T14:52:52.757Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00279487"
    },
    {
      "nct_id": "NCT00358241",
      "title": "Effects of Nerve Block on Knee Function After Knee Replacement",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Postoperative Pain"
      ],
      "interventions": [
        {
          "name": "Nerve block",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "21 Years to 80 Years"
      },
      "enrollment_count": 0,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2020-05-18",
      "last_synced_at": "2026-10-19T14:52:52.757Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00358241"
    }
  ]
}