{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Post-Operative+Pain+Following+Total+Knee+Arthroplasty&page=4",
    "query": {
      "condition": "Post-Operative Pain Following Total Knee Arthroplasty",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "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=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Post-Operative+Pain+Following+Total+Knee+Arthroplasty&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-12T20:12:56.308Z",
  "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": "NCT00616850",
      "title": "Treatment of Postoperative Pain After Total Knee Arthroplasy Using Intravenous Lidocaine Infusion",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Total Knee Arthroplasty"
      ],
      "interventions": [
        {
          "name": "Continuous femoral catheter block",
          "type": "PROCEDURE"
        },
        {
          "name": "Lidocaine",
          "type": "DRUG"
        },
        {
          "name": "Preservative free normal saline",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Loma Linda University",
      "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": 0,
      "start_date": "2007-10",
      "completion_date": "2009-07",
      "has_results": false,
      "last_update_posted_date": "2014-05-22",
      "last_synced_at": "2026-10-12T20:12:56.308Z",
      "location_count": 1,
      "location_summary": "Loma Linda, California",
      "locations": [
        {
          "city": "Loma Linda",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00616850"
    },
    {
      "nct_id": "NCT03797612",
      "title": "Study to Evaluate a Preop Dose of Brivoligide Injection for Pain After Knee Replacement in Patients With High PCS Scores",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "Brivoligide Injection 660 mg/6 mL",
          "type": "DRUG"
        },
        {
          "name": "Placebo 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": 0,
      "start_date": "2021-01",
      "completion_date": "2022-02",
      "has_results": false,
      "last_update_posted_date": "2020-07-13",
      "last_synced_at": "2026-10-12T20:12:56.308Z",
      "location_count": 2,
      "location_summary": "Sheffield, Alabama • Phoenix, Arizona",
      "locations": [
        {
          "city": "Sheffield",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03797612"
    },
    {
      "nct_id": "NCT06618820",
      "title": "Extended Oral Tranexamic Acid After Total Knee Arthroplasty",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Osteo Arthritis Knee",
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "Tranexamic acid",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "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": 120,
      "start_date": "2024-09-17",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-08-13",
      "last_synced_at": "2026-10-12T20:12:56.308Z",
      "location_count": 1,
      "location_summary": "Germantown, Tennessee",
      "locations": [
        {
          "city": "Germantown",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06618820"
    },
    {
      "nct_id": "NCT02570503",
      "title": "Postoperative Pain Control After Periarticular Injection During Total Knee Arthroplasty",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Osteoarthritis, Knee"
      ],
      "interventions": [
        {
          "name": "Ropivacaine",
          "type": "DRUG"
        },
        {
          "name": "Ketorolac",
          "type": "DRUG"
        },
        {
          "name": "Clonidine",
          "type": "DRUG"
        },
        {
          "name": "Epinephrine",
          "type": "DRUG"
        },
        {
          "name": "0.9% sodium chloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Virginia Commonwealth University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 64,
      "start_date": "2015-10",
      "completion_date": "2021-02-11",
      "has_results": true,
      "last_update_posted_date": "2022-03-04",
      "last_synced_at": "2026-10-12T20:12:56.308Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02570503"
    },
    {
      "nct_id": "NCT01320150",
      "title": "Risk Factors and Mechanisms for Persistent Postsurgical Pain After Total Knee Replacement",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Persistent Postsurgical Pain"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Rush University Medical Center",
      "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": 311,
      "start_date": "2011-03",
      "completion_date": "2018-04",
      "has_results": true,
      "last_update_posted_date": "2021-09-23",
      "last_synced_at": "2026-10-12T20:12:56.308Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01320150"
    },
    {
      "nct_id": "NCT03864588",
      "title": "Comparing Ropivacaine Adductor Canal Blockade by Surgeon Versus Anesthesiologist",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain, Postoperative",
        "Satisfaction"
      ],
      "interventions": [
        {
          "name": "Ropivacaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Rothman Institute Orthopaedics",
      "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": 164,
      "start_date": "2018-10-01",
      "completion_date": "2019-09",
      "has_results": false,
      "last_update_posted_date": "2019-03-06",
      "last_synced_at": "2026-10-12T20:12:56.308Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03864588"
    },
    {
      "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": "2026-10-12T20:12:56.308Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00358241"
    },
    {
      "nct_id": "NCT05097976",
      "title": "Medrol Dosepak for Outpatient Total Knee Arthroplasty",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Total Knee Arthroplasty"
      ],
      "interventions": [
        {
          "name": "Methylprednisolone",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Rush University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 420,
      "start_date": "2022-03-01",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-07-09",
      "last_synced_at": "2026-10-12T20:12:56.308Z",
      "location_count": 1,
      "location_summary": "Oak Brook, Illinois",
      "locations": [
        {
          "city": "Oak Brook",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05097976"
    },
    {
      "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": "2026-10-12T20:12:56.308Z",
      "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": "NCT02453321",
      "title": "Continuous Adductor Canal Blocks Vs. Low Dose Femoral Nerve Blocks For Early Rehabilitation After Total Knee Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain, Postoperative",
        "Total Knee Arthroplasty (TKA)"
      ],
      "interventions": [
        {
          "name": "Continuous Femoral Nerve Block",
          "type": "PROCEDURE"
        },
        {
          "name": "Nerve Block, Continuous Adductor Canal",
          "type": "PROCEDURE"
        },
        {
          "name": "Continuous Sciatic Nerve Block",
          "type": "PROCEDURE"
        },
        {
          "name": "Bupivacaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Kevin King, DO",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 62,
      "start_date": "2015-06",
      "completion_date": "2016-08-31",
      "has_results": true,
      "last_update_posted_date": "2018-03-27",
      "last_synced_at": "2026-10-12T20:12:56.308Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02453321"
    }
  ]
}