{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Total+Knee+Arthroplasty+%28Replacement%29&page=4",
    "query": {
      "condition": "Total Knee Arthroplasty (Replacement)",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 368,
    "total_pages": 37,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Total+Knee+Arthroplasty+%28Replacement%29&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Total+Knee+Arthroplasty+%28Replacement%29&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-10T06:42:24.052Z",
  "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": "NCT00634907",
      "title": "Prospective Genotyping For Total Hip or Knee Replacement Patients Receiving Warfarin (Coumadin)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Venous Thromboembolism",
        "Bleeding"
      ],
      "interventions": [
        {
          "name": "Pharmacogenetic-based warfarin dosing",
          "type": "GENETIC"
        },
        {
          "name": "Usual care warfarin dosing",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "GENETIC",
        "OTHER"
      ],
      "sponsor": "Gwen McMillin",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 263,
      "start_date": "2006-09",
      "completion_date": "2008-10",
      "has_results": true,
      "last_update_posted_date": "2017-06-08",
      "last_synced_at": "2026-10-10T06:42:24.052Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00634907"
    },
    {
      "nct_id": "NCT00454298",
      "title": "Study Evaluating AGG-523 in Subjects With Severe Osteoarthritis Requiring Total Knee Replacement",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "AGG-523 (Aggrecanase Inhibitor)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Wyeth is now a wholly owned subsidiary of Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "55 Years and older"
      },
      "enrollment_count": 2,
      "start_date": "2007-05",
      "completion_date": "2008-03",
      "has_results": false,
      "last_update_posted_date": "2009-07-29",
      "last_synced_at": "2026-10-10T06:42:24.052Z",
      "location_count": 5,
      "location_summary": "Boston, Massachusetts • Newton, Massachusetts • Winchester, Massachusetts + 1 more",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Newton",
          "state": "Massachusetts"
        },
        {
          "city": "Winchester",
          "state": "Massachusetts"
        },
        {
          "city": "Worcester",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00454298"
    },
    {
      "nct_id": "NCT02186587",
      "title": "iTotal Pilot Study of ConforMIS Custom Total Knee Implant",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Knee Arthroplasty, Total"
      ],
      "interventions": [
        {
          "name": "ConforMIS custom total knee",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Missouri-Columbia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 28,
      "start_date": "2014-06",
      "completion_date": "2016-04",
      "has_results": true,
      "last_update_posted_date": "2023-05-23",
      "last_synced_at": "2026-10-10T06:42:24.052Z",
      "location_count": 1,
      "location_summary": "Columbia, Missouri",
      "locations": [
        {
          "city": "Columbia",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02186587"
    },
    {
      "nct_id": "NCT04469881",
      "title": "Netflix Streaming Services in the Operating Room During Total Knee Replacement - a Feasibility Study",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Surgery"
      ],
      "interventions": [
        {
          "name": "VR",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Virginia Commonwealth University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3,
      "start_date": "2020-11-24",
      "completion_date": "2023-08-03",
      "has_results": false,
      "last_update_posted_date": "2023-08-04",
      "last_synced_at": "2026-10-10T06:42:24.052Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04469881"
    },
    {
      "nct_id": "NCT03981419",
      "title": "A Study to Evaluate the Effect of GRF6021 on Postoperative Recovery Following Primary Hip or Knee Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Postoperative Recovery"
      ],
      "interventions": [
        {
          "name": "GRF6021",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Alkahest, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "50 Years to 85 Years"
      },
      "enrollment_count": 38,
      "start_date": "2019-07-12",
      "completion_date": "2021-03-04",
      "has_results": true,
      "last_update_posted_date": "2024-03-13",
      "last_synced_at": "2026-10-10T06:42:24.052Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03981419"
    },
    {
      "nct_id": "NCT02364011",
      "title": "Outcomes Following Total Knee Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Osteoarthritis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "40 Years to 90 Years"
      },
      "enrollment_count": 120,
      "start_date": "2014-11",
      "completion_date": "2025-06-10",
      "has_results": false,
      "last_update_posted_date": "2025-11-18",
      "last_synced_at": "2026-10-10T06:42:24.052Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02364011"
    },
    {
      "nct_id": "NCT00909064",
      "title": "The Effects of Arixtra on Wound Drainage Following Total Joint Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Total Knee Replacement"
      ],
      "interventions": [
        {
          "name": "Fondaparinux Sodium (Arixtra)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Paul Di Cesare,MD",
      "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": 114,
      "start_date": "2009-06",
      "completion_date": "2009-12",
      "has_results": true,
      "last_update_posted_date": "2017-05-15",
      "last_synced_at": "2026-10-10T06:42:24.052Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00909064"
    },
    {
      "nct_id": "NCT01808781",
      "title": "The Effect of Home-based Velocity Training in Individuals With Total Knee Replacement",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Total Knee Arthroplasty"
      ],
      "interventions": [
        {
          "name": "Exercises plus walking program",
          "type": "OTHER"
        },
        {
          "name": "Walking only program",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Texas Woman's University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "40 Years to 75 Years"
      },
      "enrollment_count": 13,
      "start_date": "2013-03",
      "completion_date": "2017-01-31",
      "has_results": false,
      "last_update_posted_date": "2017-10-12",
      "last_synced_at": "2026-10-10T06:42:24.052Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01808781"
    },
    {
      "nct_id": "NCT04297592",
      "title": "Antibiotic Prophylaxis in High-Risk Arthroplasty Patients",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Infections Joint Prosthetic",
        "Overweight or Obesity",
        "MSSA Colonization",
        "MRSA",
        "Chronic Kidney Diseases",
        "Diabetes",
        "Autoimmune Diseases",
        "Inflammatory Disease",
        "Tobacco Use"
      ],
      "interventions": [
        {
          "name": "Cephalexin",
          "type": "DRUG"
        },
        {
          "name": "Doxycycline",
          "type": "DRUG"
        },
        {
          "name": "Cefadroxil",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "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": 4618,
      "start_date": "2020-06-11",
      "completion_date": "2028-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-06",
      "last_synced_at": "2026-10-10T06:42:24.052Z",
      "location_count": 2,
      "location_summary": "Iowa City, Iowa • Rochester, Minnesota",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04297592"
    },
    {
      "nct_id": "NCT03893292",
      "title": "Preop Cooled Radiofrequency Ablation for Total Knee Replacement",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Postoperative Pain",
        "Knee Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Total knee replacement",
          "type": "PROCEDURE"
        },
        {
          "name": "COOLIEF",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DEVICE"
      ],
      "sponsor": "Hospital for Special Surgery, New York",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2019-01-24",
      "completion_date": "2020-10-30",
      "has_results": false,
      "last_update_posted_date": "2020-11-13",
      "last_synced_at": "2026-10-10T06:42:24.052Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03893292"
    }
  ]
}