{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Pain%2C+Post+Operative&page=4",
    "query": {
      "condition": "Pain, Post Operative",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 1847,
    "total_pages": 185,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Pain%2C+Post+Operative&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Pain%2C+Post+Operative&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-28T04:41:10.703Z",
  "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": "NCT03073980",
      "title": "Assessing Efficacy of Intravenous Acetaminophen for Perioperative Pain Control for Oocyte Retrieval",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Infertility, Female",
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "IV Acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "PO Acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "Placebo IV Acetaminophen",
          "type": "OTHER"
        },
        {
          "name": "Placebo PO Acetaminophen",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "44 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 44 Years · Female only"
      },
      "enrollment_count": 161,
      "start_date": "2019-09-01",
      "completion_date": "2020-12-01",
      "has_results": true,
      "last_update_posted_date": "2022-05-26",
      "last_synced_at": "2026-10-28T04:41:10.703Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03073980"
    },
    {
      "nct_id": "NCT06619340",
      "title": "EXPAREL IPSA Block in Knee Arthroplasty",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain, Postoperative",
        "Osteo Arthritis Knee"
      ],
      "interventions": [
        {
          "name": "Exparel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Campbell Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2024-05-20",
      "completion_date": "2025-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-10-01",
      "last_synced_at": "2026-10-28T04:41:10.703Z",
      "location_count": 1,
      "location_summary": "Germantown, Tennessee",
      "locations": [
        {
          "city": "Germantown",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06619340"
    },
    {
      "nct_id": "NCT00345384",
      "title": "Dexmedetomidine for the Control of Post-Operative Pain in Thoracotomy Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Post-operative Pain",
        "Respiratory Depression"
      ],
      "interventions": [
        {
          "name": "Dexmedetomidine",
          "type": "DRUG"
        },
        {
          "name": "Placebo (Normal Saline)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Baylor Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 38,
      "start_date": "2008-05",
      "completion_date": "2010-01",
      "has_results": true,
      "last_update_posted_date": "2016-02-08",
      "last_synced_at": "2026-10-28T04:41:10.703Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00345384"
    },
    {
      "nct_id": "NCT04997278",
      "title": "Coordinated Reset Spinal Cord Stimulation",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain, Neuropathic",
        "Failed Back Surgery Syndrome"
      ],
      "interventions": [
        {
          "name": "Coordinated Reset spinal cord stimulation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "22 Years to 70 Years"
      },
      "enrollment_count": 0,
      "start_date": "2021-07-12",
      "completion_date": "2023-09-05",
      "has_results": false,
      "last_update_posted_date": "2023-09-08",
      "last_synced_at": "2026-10-28T04:41:10.703Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04997278"
    },
    {
      "nct_id": "NCT02793817",
      "title": "Safety and Efficacy of KPI-121 in Subjects With Postsurgical Inflammation and Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Post Surgical Ocular Inflammation and Pain"
      ],
      "interventions": [
        {
          "name": "KPI-121 1% Ophthalmic Suspension dosed BID",
          "type": "DRUG"
        },
        {
          "name": "Vehicle of KPI-121 Ophthalmic Suspension dosed BID",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Kala Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 520,
      "start_date": "2016-06",
      "completion_date": "2017-03",
      "has_results": true,
      "last_update_posted_date": "2020-12-16",
      "last_synced_at": "2026-10-28T04:41:10.703Z",
      "location_count": 35,
      "location_summary": "Chandler, Arizona • Phoenix, Arizona • Artesia, California + 32 more",
      "locations": [
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Artesia",
          "state": "California"
        },
        {
          "city": "Garden Grove",
          "state": "California"
        },
        {
          "city": "Glendale",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02793817"
    },
    {
      "nct_id": "NCT06284109",
      "title": "Preoperative (Pre-amputation) Cryoanalgesia to Improve Post-amputation Phantom Limb Pain",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Postoperative Pain"
      ],
      "interventions": [
        {
          "name": "Cryoanalgesia",
          "type": "DEVICE"
        },
        {
          "name": "Sham Cryoanalgesia",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "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": 0,
      "start_date": "2024-06-01",
      "completion_date": "2024-09-10",
      "has_results": false,
      "last_update_posted_date": "2025-08-11",
      "last_synced_at": "2026-10-28T04:41:10.703Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06284109"
    },
    {
      "nct_id": "NCT07870447",
      "title": "Preoperative Celecoxib and Acetaminophen Versus Acetaminophen Alone for Pain Control After Pediatric Adenotonsillectomy",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Adenotonsillectomy",
        "Postoperative Pain"
      ],
      "interventions": [
        {
          "name": "Celecoxib",
          "type": "DRUG"
        },
        {
          "name": "Acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "NYU Langone Health",
      "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": 500,
      "start_date": "2026-11-01",
      "completion_date": "2029-12-30",
      "has_results": false,
      "last_update_posted_date": "2026-10-13",
      "last_synced_at": "2026-10-28T04:41:10.703Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07870447"
    },
    {
      "nct_id": "NCT00653133",
      "title": "Multicenter Continuous Peripheral Nerve Block Surveillance Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Postoperative Pain"
      ],
      "interventions": [
        {
          "name": "Ultrasound imaging",
          "type": "DEVICE"
        },
        {
          "name": "Peripheral nerve stimulator",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Halyard Health",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1821,
      "start_date": "2007-05",
      "completion_date": "2009-03",
      "has_results": true,
      "last_update_posted_date": "2018-10-02",
      "last_synced_at": "2026-10-28T04:41:10.703Z",
      "location_count": 16,
      "location_summary": "Chandler, Arizona • San Jose, California • Louisville, Colorado + 13 more",
      "locations": [
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "San Jose",
          "state": "California"
        },
        {
          "city": "Louisville",
          "state": "Colorado"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Bowling Green",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00653133"
    },
    {
      "nct_id": "NCT05996133",
      "title": "Multifidus Cervicis Plane Block Vs. Sham Block For Posterior Cervical Spine Fusion Surgery",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Cervical Spine Fusion"
      ],
      "interventions": [
        {
          "name": "Bupivacaine Hcl 0.25% Inj",
          "type": "DRUG"
        },
        {
          "name": "Normal saline",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Hartford Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "40 Years to 80 Years"
      },
      "enrollment_count": 38,
      "start_date": "2023-12-12",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-09-05",
      "last_synced_at": "2026-10-28T04:41:10.703Z",
      "location_count": 1,
      "location_summary": "Hartford, Connecticut",
      "locations": [
        {
          "city": "Hartford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05996133"
    },
    {
      "nct_id": "NCT02142829",
      "title": "Pain Control in Bariatric Patients: EXPAREL(R) vs. the On-Q(R) Pain Ball",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "EXPAREL",
          "type": "DRUG"
        },
        {
          "name": "On-Q Pain Ball",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pacira Pharmaceuticals, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 101,
      "start_date": "2012-11",
      "completion_date": "2013-03",
      "has_results": false,
      "last_update_posted_date": "2014-05-22",
      "last_synced_at": "2026-10-28T04:41:10.703Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02142829"
    }
  ]
}