{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Post-Operative+Pain+Following+Total+Knee+Arthroplasty",
    "query": {
      "condition": "Post-Operative Pain Following Total Knee Arthroplasty"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 78,
    "total_pages": 8,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Post-Operative+Pain+Following+Total+Knee+Arthroplasty&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-29T01:40:14.074Z",
  "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": "NCT02453360",
      "title": "Adductor Canal Block for Total Knee Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Arthroplasty, Replacement, Knee",
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "Adductor Canal Block",
          "type": "PROCEDURE"
        },
        {
          "name": "Adductor Canal Block",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 60,
      "start_date": "2015-05",
      "completion_date": "2017-07",
      "has_results": true,
      "last_update_posted_date": "2019-08-08",
      "last_synced_at": "2026-09-29T01:40:14.074Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02453360"
    },
    {
      "nct_id": "NCT06489626",
      "title": "The Effect of a Methylprednisolone Taper on Outcomes Following Total Knee Arthroplasty",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Arthritis Knee",
        "Knee Osteoarthritis",
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "Methylprednisolone 4 milligram Tab",
          "type": "DRUG"
        },
        {
          "name": "Dexamethasone injection",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "F. Johannes Plate",
      "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": "2025-11-01",
      "completion_date": "2027-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-02-05",
      "last_synced_at": "2026-09-29T01:40:14.074Z",
      "location_count": 2,
      "location_summary": "Monroeville, Pennsylvania • Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Monroeville",
          "state": "Pennsylvania"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06489626"
    },
    {
      "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": "2026-09-29T01:40:14.074Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00358241"
    },
    {
      "nct_id": "NCT01907178",
      "title": "Postoperative Pain Management in Hospital and Following Discharge From Hospital.",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Arthropathy of Knee Joint"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Trinity Health Of New England",
      "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": 200,
      "start_date": "2014-07",
      "completion_date": "2015-06-16",
      "has_results": false,
      "last_update_posted_date": "2017-04-27",
      "last_synced_at": "2026-09-29T01:40:14.074Z",
      "location_count": 1,
      "location_summary": "Hartford, Connecticut",
      "locations": [
        {
          "city": "Hartford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01907178"
    },
    {
      "nct_id": "NCT02807428",
      "title": "Study to Evaluate Safety/Efficacy of a Single Preop Dose of AYX1 Injection to Treat Pain After Knee Replacement Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Post-surgical Pain"
      ],
      "interventions": [
        {
          "name": "AYX1 Injection 660 mg/6 mL",
          "type": "DRUG"
        },
        {
          "name": "Placebo Injection 6 mL",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Adynxx, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 210,
      "start_date": "2017-02-20",
      "completion_date": "2017-12-19",
      "has_results": false,
      "last_update_posted_date": "2018-10-17",
      "last_synced_at": "2026-09-29T01:40:14.074Z",
      "location_count": 9,
      "location_summary": "Birmingham, Alabama • Sheffield, Alabama • Phoenix, Arizona + 6 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Sheffield",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Encinitas",
          "state": "California"
        },
        {
          "city": "Pensacola",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02807428"
    },
    {
      "nct_id": "NCT06479161",
      "title": "Effects of Oral Tranexamic Acid Following Total Knee Arthroplasty",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Postoperative Pain"
      ],
      "interventions": [
        {
          "name": "Tranexamic acid",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Matthew Grosso, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 80,
      "start_date": "2024-06-10",
      "completion_date": "2025-03-30",
      "has_results": false,
      "last_update_posted_date": "2024-12-13",
      "last_synced_at": "2026-09-29T01:40:14.074Z",
      "location_count": 1,
      "location_summary": "Hartford, Connecticut",
      "locations": [
        {
          "city": "Hartford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06479161"
    },
    {
      "nct_id": "NCT07464860",
      "title": "Feasibility of Breathwork Intervention With Older Adults After Knee Surgery",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Surgical Stress Response",
        "Stress Physiological",
        "Stress Physiology",
        "Stress Psychological",
        "Breathing Techniques",
        "Breathing Exercises",
        "Hypothalamic Pituitary Adrenal",
        "Relaxation",
        "Relaxation Therapy",
        "Cortisol",
        "Postoperative Pain",
        "Postoperative Anxiety",
        "Postoperative Depression",
        "Quality of Recovery (QoR-15)"
      ],
      "interventions": [
        {
          "name": "A 5-minute Asynchronous Breathwork Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "A 5-minute Asynchronous Card Game Video",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Arizona",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 32,
      "start_date": "2026-07-01",
      "completion_date": "2026-11-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-06",
      "last_synced_at": "2026-09-29T01:40:14.074Z",
      "location_count": 1,
      "location_summary": "Tucson, Arizona",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07464860"
    },
    {
      "nct_id": "NCT07796152",
      "title": "Suzetrigine vs. Standard Care Pain Relief Following Outpatient Knee Replacement Surgery",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Knee Arthroplasty, Total",
        "Post Operative Pain, Acute",
        "Opioid Consumption, Postoperative"
      ],
      "interventions": [
        {
          "name": "Suzetrigine",
          "type": "DRUG"
        },
        {
          "name": "Opioid standard care pain medicine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Endeavor Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2026-09",
      "completion_date": "2028-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-02",
      "last_synced_at": "2026-09-29T01:40:14.074Z",
      "location_count": 1,
      "location_summary": "Skokie, Illinois",
      "locations": [
        {
          "city": "Skokie",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07796152"
    },
    {
      "nct_id": "NCT00135889",
      "title": "Continuous Femoral Nerve Block Following Total Knee Replacement",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "Femoral perineural infusion",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of General Medical Sciences (NIGMS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 50,
      "start_date": "2005-01",
      "completion_date": "2008-07",
      "has_results": false,
      "last_update_posted_date": "2009-10-08",
      "last_synced_at": "2026-09-29T01:40:14.074Z",
      "location_count": 2,
      "location_summary": "La Jolla, California • Gainesville, Florida",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00135889"
    },
    {
      "nct_id": "NCT01731730",
      "title": "Study to Evaluate Safety/Efficacy of a Single Pre-Op Dose of AYX1 Injection to Treat Pain After Knee Replacement Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Postsurgical Pain"
      ],
      "interventions": [
        {
          "name": "Placebo Injection",
          "type": "DRUG"
        },
        {
          "name": "AYX1 Injection 110 mg",
          "type": "DRUG"
        },
        {
          "name": "AYX1 Injection 330 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Adynxx, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "40 Years to 80 Years"
      },
      "enrollment_count": 102,
      "start_date": "2013-01",
      "completion_date": "2013-11",
      "has_results": false,
      "last_update_posted_date": "2015-01-27",
      "last_synced_at": "2026-09-29T01:40:14.074Z",
      "location_count": 7,
      "location_summary": "Sheffield, Alabama • Phoenix, Arizona • Boynton Beach, Florida + 4 more",
      "locations": [
        {
          "city": "Sheffield",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Boynton Beach",
          "state": "Florida"
        },
        {
          "city": "Altoona",
          "state": "Pennsylvania"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01731730"
    }
  ]
}