{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=pain+blocking&page=31",
    "query": {
      "intervention": "pain blocking",
      "page": 31
    },
    "page_size": 10
  },
  "pagination": {
    "page": 31,
    "page_size": 10,
    "total_count": 757,
    "total_pages": 76,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=pain+blocking&page=32&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=pain+blocking&page=30&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-22T10:55:03.442Z",
  "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": "NCT00997867",
      "title": "Perineural Catheter Insertion Distance for Continuous Peripheral Nerve Blocks",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Lower Extremity Surgery",
        "Upper Extremity Surgery",
        "Post-operative Pain"
      ],
      "interventions": [
        {
          "name": "Sciatic catheter left 0-1cm past needle tip vs. 5-6cm past needle tip",
          "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": 350,
      "start_date": "2009-11",
      "completion_date": "2010-10",
      "has_results": false,
      "last_update_posted_date": "2010-10-28",
      "last_synced_at": "2026-10-22T10:55:03.442Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00997867"
    },
    {
      "nct_id": "NCT03746951",
      "title": "Comparative Evaluation of Lumbar Plexus and Suprainguinal Fascia Iliaca Compartment Blocks",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Orthopedic Disorder"
      ],
      "interventions": [
        {
          "name": "Ropivacaine Hcl 0.5% Inj Vil 20Ml",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Nationwide Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "2 Years to 18 Years"
      },
      "enrollment_count": 15,
      "start_date": "2019-04-24",
      "completion_date": "2020-01-31",
      "has_results": true,
      "last_update_posted_date": "2022-03-03",
      "last_synced_at": "2026-10-22T10:55:03.442Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03746951"
    },
    {
      "nct_id": "NCT01072656",
      "title": "Safety Study of Deep Brain Stimulation to Manage Thalamic Pain Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Pain"
      ],
      "interventions": [
        {
          "name": "Deep Brain Stimulation for Thalamic Pain Syndrome",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Andre Machado",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2010-05",
      "completion_date": "2016-03",
      "has_results": true,
      "last_update_posted_date": "2017-06-09",
      "last_synced_at": "2026-10-22T10:55:03.442Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01072656"
    },
    {
      "nct_id": "NCT06069154",
      "title": "Ultrasound-Guided Percutaneous Cryoneurolysis to Treat Pain Following Thoracic Trauma",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Rib Fracture",
        "Rib Fracture Multiple"
      ],
      "interventions": [
        {
          "name": "Cryoneurolysis",
          "type": "DEVICE"
        },
        {
          "name": "Local anesthetic peripheral nerve block",
          "type": "PROCEDURE"
        },
        {
          "name": "Sham Cryoneurolysis",
          "type": "DEVICE"
        },
        {
          "name": "Sham peripheral nerve block",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "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": 120,
      "start_date": "2023-10-30",
      "completion_date": "2028-12",
      "has_results": false,
      "last_update_posted_date": "2026-08-24",
      "last_synced_at": "2026-10-22T10:55:03.442Z",
      "location_count": 5,
      "location_summary": "La Jolla, California • Bethesda, Maryland • Boston, Massachusetts + 1 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06069154"
    },
    {
      "nct_id": "NCT04495725",
      "title": "Do Discounted Vouchers for Medical Cannabis Reduce Opioid Use in Adults With Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Opioid Use",
        "Marijuana",
        "Chronic Pain"
      ],
      "interventions": [
        {
          "name": "Discounted Vouchers for Medical Cannabis Soft-Gel Capsule Products",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Vireo Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 270,
      "start_date": "2020-10-06",
      "completion_date": "2024-03-13",
      "has_results": false,
      "last_update_posted_date": "2026-03-10",
      "last_synced_at": "2026-10-22T10:55:03.442Z",
      "location_count": 1,
      "location_summary": "Queens, New York",
      "locations": [
        {
          "city": "Queens",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04495725"
    },
    {
      "nct_id": "NCT03461120",
      "title": "Improving Postamputation Functioning by Decreasing Phantom Pain With Perioperative Continuous Peripheral Nerve Blocks: A Department of Defense Funded Multicenter Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Lower Extremity Surgical Amputation",
        "Post-amputation Phantom Limb Pain"
      ],
      "interventions": [
        {
          "name": "Experimental continuous peripheral nerve blocks",
          "type": "DRUG"
        },
        {
          "name": "Control continuous peripheral nerve blocks",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": 208,
      "start_date": "2018-03-23",
      "completion_date": "2026-08-18",
      "has_results": false,
      "last_update_posted_date": "2026-09-17",
      "last_synced_at": "2026-10-22T10:55:03.442Z",
      "location_count": 8,
      "location_summary": "San Diego, California • Boston, Massachusetts • Cleveland, Ohio + 1 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03461120"
    },
    {
      "nct_id": "NCT04777591",
      "title": "Effectiveness of Exparel TAP Block in Breast Free Flap Reconstruction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Postoperative Pain",
        "Breast Reconstruction"
      ],
      "interventions": [
        {
          "name": "Liposomal bupivacaine TAP block",
          "type": "DRUG"
        },
        {
          "name": "Bupivacain",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 117,
      "start_date": "2021-03-01",
      "completion_date": "2022-12-28",
      "has_results": true,
      "last_update_posted_date": "2024-08-23",
      "last_synced_at": "2026-10-22T10:55:03.442Z",
      "location_count": 2,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        },
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04777591"
    },
    {
      "nct_id": "NCT06918197",
      "title": "Evaluation the Impact of the \"Pas\" Technique Versus the \"Standard\" Technique on Radiation Exposure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Spine",
        "Fluoroscopy for Spine Surgery",
        "Back Pain",
        "Sacroiliac Joint"
      ],
      "interventions": [
        {
          "name": "PAS Technique",
          "type": "PROCEDURE"
        },
        {
          "name": "Standard Technique",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Orthospine Advance Health, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 212,
      "start_date": "2023-10-01",
      "completion_date": "2024-05-15",
      "has_results": false,
      "last_update_posted_date": "2025-04-09",
      "last_synced_at": "2026-10-22T10:55:03.442Z",
      "location_count": 1,
      "location_summary": "Merced, California",
      "locations": [
        {
          "city": "Merced",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06918197"
    },
    {
      "nct_id": "NCT01571492",
      "title": "Continuous L2 Paravertebral Block Versus Continuous Lumbar Plexus Block for Postoperative Analgesia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Total Hip Arthroplasty"
      ],
      "interventions": [
        {
          "name": "L2 Paravertebral catheter nerve block",
          "type": "PROCEDURE"
        },
        {
          "name": "Continuous Lumbar plexus nerve block",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Pittsburgh",
      "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": 60,
      "start_date": "2009-06",
      "completion_date": "2015-06",
      "has_results": false,
      "last_update_posted_date": "2017-06-07",
      "last_synced_at": "2026-10-22T10:55:03.442Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01571492"
    },
    {
      "nct_id": "NCT05494645",
      "title": "Exparel Use in Peripheral Nerve Blocks and Local Infiltration for Foot and Ankle Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain, Postoperative",
        "Pain, Acute Postoperative",
        "Ankle Fractures",
        "Ankle Injuries and Disorders"
      ],
      "interventions": [
        {
          "name": "Exparel",
          "type": "DRUG"
        },
        {
          "name": "Peripheral Nerve Block",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "St. Luke's Hospital, Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 248,
      "start_date": "2022-03-01",
      "completion_date": "2023-01-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-28",
      "last_synced_at": "2026-10-22T10:55:03.442Z",
      "location_count": 1,
      "location_summary": "Bethlehem, Pennsylvania",
      "locations": [
        {
          "city": "Bethlehem",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05494645"
    }
  ]
}