{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=pain+blocking&page=20",
    "query": {
      "intervention": "pain blocking",
      "page": 20
    },
    "page_size": 10
  },
  "pagination": {
    "page": 20,
    "page_size": 10,
    "total_count": 757,
    "total_pages": 76,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=pain+blocking&page=21&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=pain+blocking&page=19&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-20T01:53:16.712Z",
  "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": "NCT01826851",
      "title": "Parasternal Nerve Block in Cardiac Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Coronary Artery Disease",
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "Exparel",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Peter A Knight",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 79,
      "start_date": "2013-03",
      "completion_date": "2017-06",
      "has_results": true,
      "last_update_posted_date": "2018-08-01",
      "last_synced_at": "2026-10-20T01:53:16.712Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01826851"
    },
    {
      "nct_id": "NCT01764789",
      "title": "Stress Reduction in Improving Quality of Life in Patients With Recurrent Gynecologic or Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anxiety Disorder",
        "Depression",
        "Fatigue",
        "Leydig Cell Tumor",
        "Ovarian Sarcoma",
        "Ovarian Stromal Cancer",
        "Pain",
        "Peritoneal Carcinomatosis",
        "Pseudomyxoma Peritonei",
        "Recurrent Breast Cancer",
        "Recurrent Cervical Cancer",
        "Recurrent Endometrial Carcinoma",
        "Recurrent Fallopian Tube Cancer",
        "Recurrent Gestational Trophoblastic Tumor",
        "Recurrent Ovarian Epithelial Cancer",
        "Recurrent Ovarian Germ Cell Tumor",
        "Recurrent Primary Peritoneal Cavity Cancer",
        "Recurrent Uterine Sarcoma",
        "Recurrent Vaginal Cancer",
        "Recurrent Vulvar Cancer"
      ],
      "interventions": [
        {
          "name": "questionnaire administration",
          "type": "OTHER"
        },
        {
          "name": "quality-of-life assessment",
          "type": "PROCEDURE"
        },
        {
          "name": "psychosocial assessment and care",
          "type": "PROCEDURE"
        },
        {
          "name": "behavioral intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "cognitive intervention",
          "type": "OTHER"
        },
        {
          "name": "educational intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE",
        "BEHAVIORAL"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "85 Years",
        "sex": "FEMALE",
        "summary": "21 Years to 85 Years · Female only"
      },
      "enrollment_count": 39,
      "start_date": "2010-10",
      "completion_date": "2012-01",
      "has_results": false,
      "last_update_posted_date": "2015-10-09",
      "last_synced_at": "2026-10-20T01:53:16.712Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01764789"
    },
    {
      "nct_id": "NCT00749489",
      "title": "Improving Pain and Function in Hip Fracture",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pain",
        "Hip Fractures"
      ],
      "interventions": [
        {
          "name": "Femoral Nerve Block",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 164,
      "start_date": "2008-11",
      "completion_date": "2014-05",
      "has_results": false,
      "last_update_posted_date": "2014-06-25",
      "last_synced_at": "2026-10-20T01:53:16.712Z",
      "location_count": 3,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00749489"
    },
    {
      "nct_id": "NCT04113954",
      "title": "Detecting Compartment Syndrome Pain in the Presence of Regional Anesthesia in Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Compartment Syndrome of Leg",
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Mepivacaine Injection",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 42,
      "start_date": "2020-09-29",
      "completion_date": "2021-04-06",
      "has_results": false,
      "last_update_posted_date": "2021-05-14",
      "last_synced_at": "2026-10-20T01:53:16.712Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04113954"
    },
    {
      "nct_id": "NCT04481451",
      "title": "Quadratus Lumborum vs Erector Spinae Supplementary Blocks With Lumbar Plexus Blocks for Hip PAO",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain, Postoperative",
        "Regional Anesthesia",
        "Hip Dysplasia"
      ],
      "interventions": [
        {
          "name": "Erector spinae block with ropivacaine 0.2%",
          "type": "PROCEDURE"
        },
        {
          "name": "Quadratus lumborum block with ropivacaine 0.2%",
          "type": "PROCEDURE"
        },
        {
          "name": "Ropivacaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Boston Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "15 Years to 30 Years"
      },
      "enrollment_count": 0,
      "start_date": "2020-12-01",
      "completion_date": "2025-12-01",
      "has_results": false,
      "last_update_posted_date": "2025-12-12",
      "last_synced_at": "2026-10-20T01:53:16.712Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04481451"
    },
    {
      "nct_id": "NCT04472702",
      "title": "Fluoroscopic Versus Ultrasound Guidance for Cooled Radiofrequency Ablation of Geniculate Nerves in Knee Osteoarthritis: A Randomized Control Trial",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Knee Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "cRFA",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "35 Years to 99 Years"
      },
      "enrollment_count": 90,
      "start_date": "2022-02-02",
      "completion_date": "2027-05-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-16",
      "last_synced_at": "2026-10-20T01:53:16.712Z",
      "location_count": 2,
      "location_summary": "Sacramento, California • Rochester, New York",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04472702"
    },
    {
      "nct_id": "NCT03187080",
      "title": "Enhanced Recovery Strategies in Elective Breast Surgery",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain, Acute",
        "Nausea",
        "Vomiting, Postoperative",
        "Opioid Use",
        "Satisfaction"
      ],
      "interventions": [
        {
          "name": "Paravertebral block procedure using either local anesthetic (0.25% bupivacaine) or sterile saline",
          "type": "PROCEDURE"
        },
        {
          "name": "Enhanced recovery after breast surgery (ERABS) strategies",
          "type": "OTHER"
        },
        {
          "name": "Sham paravertebral block using saline",
          "type": "PROCEDURE"
        },
        {
          "name": "Paravertebral block using local anesthetic",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER",
        "DRUG"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "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": 113,
      "start_date": "2017-10-19",
      "completion_date": "2021-06-15",
      "has_results": true,
      "last_update_posted_date": "2024-08-23",
      "last_synced_at": "2026-10-20T01:53:16.712Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03187080"
    },
    {
      "nct_id": "NCT04860856",
      "title": "Efficacy of Hematoma Block on Postoperative Pain After Femoral Intramedullary Rodding: A Randomized Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Femur Fracture"
      ],
      "interventions": [
        {
          "name": "0.5% ropivacaine",
          "type": "DRUG"
        },
        {
          "name": "Normal Saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 88,
      "start_date": "2019-08-17",
      "completion_date": "2023-02-07",
      "has_results": false,
      "last_update_posted_date": "2023-02-16",
      "last_synced_at": "2026-10-20T01:53:16.712Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04860856"
    },
    {
      "nct_id": "NCT01015053",
      "title": "Postoperative Pain After Pediatric Umbilical Hernia Repair",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pediatric Postoperative Pain"
      ],
      "interventions": [
        {
          "name": "bilateral ultrasound-guided rectus sheath block",
          "type": "PROCEDURE"
        },
        {
          "name": "Wound infiltration",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Boston Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "3 Years to 12 Years"
      },
      "enrollment_count": 53,
      "start_date": "2009-11",
      "completion_date": "2011-11",
      "has_results": false,
      "last_update_posted_date": "2017-09-15",
      "last_synced_at": "2026-10-20T01:53:16.712Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts • Waltham, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Waltham",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01015053"
    },
    {
      "nct_id": "NCT00804154",
      "title": "Resiniferatoxin to Treat Severe Pain Associated With Advanced Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Intractable Pain",
        "Palliative Care"
      ],
      "interventions": [
        {
          "name": "Intrathecal Resiniferatoxin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Dental and Craniofacial Research (NIDCR)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 45,
      "start_date": "2009-08-14",
      "completion_date": "2027-02-07",
      "has_results": false,
      "last_update_posted_date": "2026-10-16",
      "last_synced_at": "2026-10-20T01:53:16.712Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00804154"
    }
  ]
}