{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Total+knee+arthroplasty+patients&page=19",
    "query": {
      "intervention": "Total knee arthroplasty patients",
      "page": 19
    },
    "page_size": 10
  },
  "pagination": {
    "page": 19,
    "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=20&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Total+knee+arthroplasty+patients&page=18&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-15T02:32:17.937Z",
  "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": "NCT03146819",
      "title": "A Single Time-Point Study to Evaluate the ConforMIS iTotal (PS) Knee Replacement System Versus Off-the-Shelf",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Osteoarthritis, Knee"
      ],
      "interventions": [
        {
          "name": "iTotal PS Knee Replacement System",
          "type": "DEVICE"
        },
        {
          "name": "Off-the-Shelf Knee Replacement System",
          "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": 31,
      "start_date": "2016-12-16",
      "completion_date": "2017-05-31",
      "has_results": false,
      "last_update_posted_date": "2023-10-25",
      "last_synced_at": "2026-10-15T02:32:17.937Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03146819"
    },
    {
      "nct_id": "NCT04191031",
      "title": "Study to Evaluate Iovera®° in Adult Patients Undergoing Total Knee Arthroplasty",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Post-Operative Pain Management"
      ],
      "interventions": [
        {
          "name": "ioveraº",
          "type": "DEVICE"
        },
        {
          "name": "ioveraº sham",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Pacira Pharmaceuticals, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "22 Years and older"
      },
      "enrollment_count": 79,
      "start_date": "2020-09-30",
      "completion_date": "2022-07-12",
      "has_results": false,
      "last_update_posted_date": "2023-01-25",
      "last_synced_at": "2026-10-15T02:32:17.937Z",
      "location_count": 7,
      "location_summary": "Fremont, California • Pasadena, California • Tamarac, Florida + 4 more",
      "locations": [
        {
          "city": "Fremont",
          "state": "California"
        },
        {
          "city": "Pasadena",
          "state": "California"
        },
        {
          "city": "Tamarac",
          "state": "Florida"
        },
        {
          "city": "Towson",
          "state": "Maryland"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04191031"
    },
    {
      "nct_id": "NCT03153956",
      "title": "Efficacy of AposTherapy® in Knee OA",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis, Knee"
      ],
      "interventions": [
        {
          "name": "Calibrated AposTherapy®",
          "type": "DEVICE"
        },
        {
          "name": "Non-Calibrated Sham Apos Therapy Device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "45 Years to 75 Years"
      },
      "enrollment_count": 77,
      "start_date": "2015-04-16",
      "completion_date": "2018-11-15",
      "has_results": true,
      "last_update_posted_date": "2020-03-24",
      "last_synced_at": "2026-10-15T02:32:17.937Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03153956"
    },
    {
      "nct_id": "NCT01773005",
      "title": "Caldolor Versus Caldolor Plus OFIRMEV in Total Knee or Hip Arthroplasty Surgeries",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "Ofirmev",
          "type": "DRUG"
        },
        {
          "name": "Caldolor",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Anita Gupta",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 78,
      "start_date": "2012-12",
      "completion_date": "2014-12",
      "has_results": false,
      "last_update_posted_date": "2016-02-29",
      "last_synced_at": "2026-10-15T02:32:17.937Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01773005"
    },
    {
      "nct_id": "NCT05980546",
      "title": "Genicular and Anterior Femoral Cutaneous Nerve Blocks for Total Knee Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Total Knee Replacement",
        "Genicular Nerve Block",
        "Opioid Use"
      ],
      "interventions": [
        {
          "name": "Bupivacaine Injection",
          "type": "DRUG"
        },
        {
          "name": "Dexamethasone injection",
          "type": "DRUG"
        },
        {
          "name": "Fentanyl",
          "type": "DRUG"
        },
        {
          "name": "Mepivacaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hospital for Special Surgery, New York",
      "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": 244,
      "start_date": "2023-06-07",
      "completion_date": "2025-09-11",
      "has_results": false,
      "last_update_posted_date": "2025-10-08",
      "last_synced_at": "2026-10-15T02:32:17.937Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05980546"
    },
    {
      "nct_id": "NCT02701296",
      "title": "Posterior Capsular Injection With Femoral Nerve Block for Total Knee Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Posterior Knee Infiltration"
      ],
      "interventions": [
        {
          "name": "Ropivacaine with Epinephrine",
          "type": "DRUG"
        },
        {
          "name": "Ropivacaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Trinity Health Of New England",
      "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": 80,
      "start_date": "2011-11-07",
      "completion_date": "2014-08-31",
      "has_results": true,
      "last_update_posted_date": "2018-10-03",
      "last_synced_at": "2026-10-15T02:32:17.937Z",
      "location_count": 1,
      "location_summary": "Hartford, Connecticut",
      "locations": [
        {
          "city": "Hartford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02701296"
    },
    {
      "nct_id": "NCT02664870",
      "title": "Evaluation of Biomarkers in Human Synovial Fluid",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Arthroscopy",
          "type": "PROCEDURE"
        },
        {
          "name": "Arthroplasty",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 149,
      "start_date": "2016-01",
      "completion_date": "2028-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-02-04",
      "last_synced_at": "2026-10-15T02:32:17.937Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02664870"
    },
    {
      "nct_id": "NCT04437888",
      "title": "Intraoperative Ketamine for Patients Undergoing Total Joint Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Pain, Postoperative",
        "Arthroplasty Complications"
      ],
      "interventions": [
        {
          "name": "Ketamine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Dartmouth-Hitchcock Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2020-09-14",
      "completion_date": "2024-06-01",
      "has_results": false,
      "last_update_posted_date": "2024-09-27",
      "last_synced_at": "2026-10-15T02:32:17.937Z",
      "location_count": 1,
      "location_summary": "Lebanon, New Hampshire",
      "locations": [
        {
          "city": "Lebanon",
          "state": "New Hampshire"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04437888"
    },
    {
      "nct_id": "NCT01333189",
      "title": "Improving Function After Knee Arthroplasty With Weight-Bearing Biofeedback",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Arthropathy of Knee Joint"
      ],
      "interventions": [
        {
          "name": "Weight-bearing biofeedback exercise",
          "type": "OTHER"
        },
        {
          "name": "Standard of care exercise",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "50 Years to 85 Years"
      },
      "enrollment_count": 26,
      "start_date": "2011-01",
      "completion_date": "2012-12",
      "has_results": true,
      "last_update_posted_date": "2019-04-23",
      "last_synced_at": "2026-10-15T02:32:17.937Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01333189"
    },
    {
      "nct_id": "NCT03044028",
      "title": "Neuromuscular Electrical Stimulation (NMES) for Improving Outcomes Following Total Knee Arthroplasty (TKA)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Arthropathy of Knee Joint"
      ],
      "interventions": [
        {
          "name": "CyMedica Orthopedics QB1 e-vive™ system",
          "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": 66,
      "start_date": "2017-01",
      "completion_date": "2018-08",
      "has_results": true,
      "last_update_posted_date": "2020-03-05",
      "last_synced_at": "2026-10-15T02:32:17.937Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03044028"
    }
  ]
}