{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Arthroplasty+of+Knee&page=22",
    "query": {
      "condition": "Arthroplasty of Knee",
      "page": 22
    },
    "page_size": 10
  },
  "pagination": {
    "page": 22,
    "page_size": 10,
    "total_count": 872,
    "total_pages": 88,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Arthroplasty+of+Knee&page=23&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Arthroplasty+of+Knee&page=21&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-15T12:16:31.452Z",
  "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": "NCT01364870",
      "title": "Effect of TENS for Pain and Function After Total Knee Replacement",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Unilateral Primary Osteoarthritis of Knee",
        "Primary Osteoarthritis of Knee Nos"
      ],
      "interventions": [
        {
          "name": "Placebo TENS",
          "type": "DEVICE"
        },
        {
          "name": "Active TENS",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Barbara A Rakel",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "30 Years to 100 Years"
      },
      "enrollment_count": 317,
      "start_date": "2008-05",
      "completion_date": "2012-05",
      "has_results": true,
      "last_update_posted_date": "2017-11-30",
      "last_synced_at": "2026-10-15T12:16:31.452Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01364870"
    },
    {
      "nct_id": "NCT00324857",
      "title": "Educational Intervention for Knee Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Decision Aid Video",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Motivational Interviewing",
          "type": "BEHAVIORAL"
        },
        {
          "name": "MI plus Decision aid",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Attention control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 663,
      "start_date": "2006-09",
      "completion_date": "2011-09",
      "has_results": true,
      "last_update_posted_date": "2018-10-10",
      "last_synced_at": "2026-10-15T12:16:31.452Z",
      "location_count": 3,
      "location_summary": "Cleveland, Ohio • Philadelphia, Pennsylvania • Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00324857"
    },
    {
      "nct_id": "NCT03747146",
      "title": "Enhanced Recovery After Surgery (ERAS) Total Knee Replacement (TKR) With a Transitional Pain Service",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anesthesia"
      ],
      "interventions": [
        {
          "name": "Continuous Adductor Canal Catheter (ACC)",
          "type": "DEVICE"
        },
        {
          "name": "Adductor Canal block with sham catheter",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Hospital for Special Surgery, New York",
      "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": 94,
      "start_date": "2018-11-16",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-04-28",
      "last_synced_at": "2026-10-15T12:16:31.452Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03747146"
    },
    {
      "nct_id": "NCT00894361",
      "title": "Comparison of Mobile-Bearing and Fixed-Bearing All-Polyethylene Tibia Total Knee Designs",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Osteoarthritis, Knee"
      ],
      "interventions": [
        {
          "name": "TKA surgery with the rotating platform mobile-bearing knee design",
          "type": "PROCEDURE"
        },
        {
          "name": "TKA surgery with the all-polyethylene tibia knee design",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Minneapolis Veterans Affairs Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "60 Years to 85 Years"
      },
      "enrollment_count": 400,
      "start_date": "2001-10",
      "completion_date": "2007-01",
      "has_results": true,
      "last_update_posted_date": "2020-09-07",
      "last_synced_at": "2026-10-15T12:16:31.452Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00894361"
    },
    {
      "nct_id": "NCT00958945",
      "title": "Retrospective Chart Analysis in the Effective Use of FloSeal in Post-Operative Joint Replacements",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Total Knee Arthroplasty",
        "Arthroplasty, Replacement, Hip"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Desert Orthopedic Center Medical Research Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "95 Years",
        "sex": "ALL",
        "summary": "18 Years to 95 Years"
      },
      "enrollment_count": 500,
      "start_date": "2009-09",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2009-08-14",
      "last_synced_at": "2026-10-15T12:16:31.452Z",
      "location_count": 1,
      "location_summary": "Rancho Mirage, California",
      "locations": [
        {
          "city": "Rancho Mirage",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00958945"
    },
    {
      "nct_id": "NCT01545986",
      "title": "A Comparative Analysis of Two Types of Exercise on Outcomes Following Total Knee Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis, Knee"
      ],
      "interventions": [
        {
          "name": "Exercise",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Helen Hayes Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "60 Years to 89 Years"
      },
      "enrollment_count": 38,
      "start_date": "2009-09",
      "completion_date": "2011-12",
      "has_results": false,
      "last_update_posted_date": "2012-03-07",
      "last_synced_at": "2026-10-15T12:16:31.452Z",
      "location_count": 1,
      "location_summary": "West Haverstraw, New York",
      "locations": [
        {
          "city": "West Haverstraw",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01545986"
    },
    {
      "nct_id": "NCT03378557",
      "title": "Periprosthetic Fracture Registry (PPFx)",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Periprosthetic Fractures",
        "Periprosthetic Fracture Around Prosthetic Joint Implant"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "AO Innovation Translation Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 600,
      "start_date": "2018-12-31",
      "completion_date": "2027-03-31",
      "has_results": false,
      "last_update_posted_date": "2025-09-12",
      "last_synced_at": "2026-10-15T12:16:31.452Z",
      "location_count": 4,
      "location_summary": "Columbia, Missouri • Jersey City, New Jersey • Livingston, New Jersey + 1 more",
      "locations": [
        {
          "city": "Columbia",
          "state": "Missouri"
        },
        {
          "city": "Jersey City",
          "state": "New Jersey"
        },
        {
          "city": "Livingston",
          "state": "New Jersey"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03378557"
    },
    {
      "nct_id": "NCT01564654",
      "title": "A Retrospective Study of the iTotal CR Knee Replacement System",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "iTotal KRS",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Restor3D",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 89,
      "start_date": "2012-01",
      "completion_date": "2013-01",
      "has_results": true,
      "last_update_posted_date": "2023-10-25",
      "last_synced_at": "2026-10-15T12:16:31.452Z",
      "location_count": 4,
      "location_summary": "La Quinta, California • Boynton Beach, Florida • Nashville, Tennessee + 1 more",
      "locations": [
        {
          "city": "La Quinta",
          "state": "California"
        },
        {
          "city": "Boynton Beach",
          "state": "Florida"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        },
        {
          "city": "Provo",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01564654"
    },
    {
      "nct_id": "NCT03434275",
      "title": "Evaluation of Preoperative N1539 in Total Knee Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "N1539",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Baudax Bio",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "35 Years to 80 Years"
      },
      "enrollment_count": 194,
      "start_date": "2018-02-19",
      "completion_date": "2019-05-21",
      "has_results": true,
      "last_update_posted_date": "2023-05-25",
      "last_synced_at": "2026-10-15T12:16:31.452Z",
      "location_count": 6,
      "location_summary": "Florence, Alabama • Mobile, Alabama • Sheffield, Alabama + 3 more",
      "locations": [
        {
          "city": "Florence",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Sheffield",
          "state": "Alabama"
        },
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Tamarac",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03434275"
    },
    {
      "nct_id": "NCT02271698",
      "title": "Dexamethasone and Pain Following Total Knee Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Acute Pain",
        "Chronic Pain"
      ],
      "interventions": [
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "55 Years and older"
      },
      "enrollment_count": 45,
      "start_date": "2014-12",
      "completion_date": "2016-07",
      "has_results": true,
      "last_update_posted_date": "2018-02-20",
      "last_synced_at": "2026-10-15T12:16:31.452Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02271698"
    }
  ]
}