{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Total+knee+arthroplasty+patients&page=20",
    "query": {
      "intervention": "Total knee arthroplasty patients",
      "page": 20
    },
    "page_size": 10
  },
  "pagination": {
    "page": 20,
    "page_size": 10,
    "total_count": 475,
    "total_pages": 48,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Total+knee+arthroplasty+patients&page=21&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Total+knee+arthroplasty+patients&page=19&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-15T04:44:31.153Z",
  "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": "NCT01714492",
      "title": "Mechanics Analysis of Patients Having a Sigma Mobile Bearing TKA",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Knee Prosthesis",
        "Knee Replacement Arthroplasty"
      ],
      "interventions": [
        {
          "name": "Sigma Posterior Stabilizing Rotating Platform TKA Beaded Poly",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "The University of Tennessee, Knoxville",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "40 Years to 85 Years"
      },
      "enrollment_count": 8,
      "start_date": "2012-04",
      "completion_date": "2012-11",
      "has_results": true,
      "last_update_posted_date": "2019-10-10",
      "last_synced_at": "2026-10-15T04:44:31.153Z",
      "location_count": 3,
      "location_summary": "Denver, Colorado • Knoxville, Tennessee",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Knoxville",
          "state": "Tennessee"
        },
        {
          "city": "Knoxville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01714492"
    },
    {
      "nct_id": "NCT03211663",
      "title": "Performance of MOTO Medial® Unicompartmental Knee Arthroplasty",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Knee Osteoarthritis",
        "Knee Arthritis",
        "Knee Pain Chronic"
      ],
      "interventions": [
        {
          "name": "MOTO Medial® UKA",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Medacta USA",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 269,
      "start_date": "2017-10-09",
      "completion_date": "2025-12-01",
      "has_results": false,
      "last_update_posted_date": "2025-09-25",
      "last_synced_at": "2026-10-15T04:44:31.153Z",
      "location_count": 5,
      "location_summary": "Lady Lake, Florida • Louisville, Kentucky • Billings, Montana + 2 more",
      "locations": [
        {
          "city": "Lady Lake",
          "state": "Florida"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "Billings",
          "state": "Montana"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Meadville",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03211663"
    },
    {
      "nct_id": "NCT02765815",
      "title": "A Comparison of Exparel Local Anesthetic in Total Knee Arthroplasty (TKA) Patients",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Osteoarthritis, Knee",
        "Arthroplasty, Replacement, Knee"
      ],
      "interventions": [
        {
          "name": "Liposomal bupivacaine, 266mg",
          "type": "DRUG"
        },
        {
          "name": "Bupivacaine 0.5 % with Epinephrine",
          "type": "DRUG"
        },
        {
          "name": "Ketorolac 30mg",
          "type": "DRUG"
        },
        {
          "name": "Morphine 10mg",
          "type": "DRUG"
        },
        {
          "name": "Bupivacaine 0.25% with Epinephrine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Holy Cross Hospital, Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "88 Years",
        "sex": "ALL",
        "summary": "18 Years to 88 Years"
      },
      "enrollment_count": 0,
      "start_date": "2016-02",
      "completion_date": "2017-01",
      "has_results": false,
      "last_update_posted_date": "2017-08-09",
      "last_synced_at": "2026-10-15T04:44:31.153Z",
      "location_count": 1,
      "location_summary": "Fort Lauderdale, Florida",
      "locations": [
        {
          "city": "Fort Lauderdale",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02765815"
    },
    {
      "nct_id": "NCT03272178",
      "title": "Impact of Component Design and Fixation in Total Knee Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Arthroplasties, Knee Replacement"
      ],
      "interventions": [
        {
          "name": "Depuy total knee implant",
          "type": "DEVICE"
        },
        {
          "name": "Triathlon total knee implant",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 100,
      "start_date": "2017-11-20",
      "completion_date": "2021-11-15",
      "has_results": false,
      "last_update_posted_date": "2021-12-01",
      "last_synced_at": "2026-10-15T04:44:31.153Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03272178"
    },
    {
      "nct_id": "NCT01641471",
      "title": "Evaluation of Electrical Nerve Stimulation (TENS) Therapy for Pain Relief Following Total Knee Arthroplasty (TKA)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis, Knee",
        "Arthritis",
        "Pain"
      ],
      "interventions": [
        {
          "name": "EMPI Select TENS",
          "type": "DEVICE"
        },
        {
          "name": "Placebo EMPI Select TENS",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "The Cleveland Clinic",
      "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": 116,
      "start_date": "2012-12",
      "completion_date": "2015-06",
      "has_results": true,
      "last_update_posted_date": "2018-03-07",
      "last_synced_at": "2026-10-15T04:44:31.153Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01641471"
    },
    {
      "nct_id": "NCT04749615",
      "title": "Does PAI Reduce Pain After TKA Among Knee Arthroplasty Patients Receiving ACB & IPACK?",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Total Knee Athroplasty"
      ],
      "interventions": [
        {
          "name": "Periarticular Injection (PAI)",
          "type": "DRUG"
        },
        {
          "name": "Saline Control Periarticular Injection (PAI)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hospital for Special Surgery, New York",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "25 Years to 80 Years"
      },
      "enrollment_count": 94,
      "start_date": "2020-12-17",
      "completion_date": "2022-07-01",
      "has_results": true,
      "last_update_posted_date": "2024-12-27",
      "last_synced_at": "2026-10-15T04:44:31.153Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04749615"
    },
    {
      "nct_id": "NCT07485803",
      "title": "Methadone in the Management of Post-Operative Pain in Total Knee Replacement",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Total Knee Arthroplasty"
      ],
      "interventions": [
        {
          "name": "Methadone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AdventHealth",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "21 Years to 75 Years"
      },
      "enrollment_count": 192,
      "start_date": "2026-06-01",
      "completion_date": "2028-06",
      "has_results": false,
      "last_update_posted_date": "2026-06-22",
      "last_synced_at": "2026-10-15T04:44:31.153Z",
      "location_count": 1,
      "location_summary": "Denver, Colorado",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07485803"
    },
    {
      "nct_id": "NCT02056470",
      "title": "Evaluate the Safety, Functionality, and the Quality of Life of Patients Who Receive the Freedom Total Knee ® System",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Knee Joint Pain"
      ],
      "interventions": [
        {
          "name": "Freedom Total Knee",
          "type": "DEVICE"
        },
        {
          "name": "Total Knee Replacement",
          "type": "DEVICE"
        },
        {
          "name": "Freedom Total Knee System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Maxx Orthopedics 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": 211,
      "start_date": "2013-09",
      "completion_date": "2020-03",
      "has_results": false,
      "last_update_posted_date": "2020-03-30",
      "last_synced_at": "2026-10-15T04:44:31.153Z",
      "location_count": 1,
      "location_summary": "Norristown, Pennsylvania",
      "locations": [
        {
          "city": "Norristown",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02056470"
    },
    {
      "nct_id": "NCT01938274",
      "title": "Leisure Expectations About Physical Activity Study",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hip Osteoarthritis",
        "Knee Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Educational intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "West Virginia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "45 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2018-01-01",
      "completion_date": "2019-07-22",
      "has_results": false,
      "last_update_posted_date": "2019-07-24",
      "last_synced_at": "2026-10-15T04:44:31.153Z",
      "location_count": 1,
      "location_summary": "Morgantown, West Virginia",
      "locations": [
        {
          "city": "Morgantown",
          "state": "West Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01938274"
    },
    {
      "nct_id": "NCT04275362",
      "title": "Gait Analysis of a Lateral-Pivot Design Total Knee Replacement",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Knee Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "DJO Empowr PS Knee System",
          "type": "DEVICE"
        },
        {
          "name": "Stryker Triathlon Total Knee System",
          "type": "DEVICE"
        },
        {
          "name": "Biomet Vanguard Complete Knee System",
          "type": "DEVICE"
        },
        {
          "name": "Control",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "More Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 102,
      "start_date": "2017-02-02",
      "completion_date": "2029-01-02",
      "has_results": false,
      "last_update_posted_date": "2022-05-06",
      "last_synced_at": "2026-10-15T04:44:31.153Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04275362"
    }
  ]
}