{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Arthroplasty+of+Knee&page=5",
    "query": {
      "condition": "Arthroplasty of Knee",
      "page": 5
    },
    "page_size": 10
  },
  "pagination": {
    "page": 5,
    "page_size": 10,
    "total_count": 872,
    "total_pages": 88,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Arthroplasty+of+Knee&page=6&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Arthroplasty+of+Knee&page=4&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-14T02:58:00.468Z",
  "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": "NCT02145949",
      "title": "Mechanistic Approach to Preventing Atrophy and Restoring Function in Older Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Muscle Atrophy",
        "Quality of Life"
      ],
      "interventions": [
        {
          "name": "Essential Amino Acids (EAA)",
          "type": "DRUG"
        },
        {
          "name": "Placebo (Alanine)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Oregon",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "50 Years to 80 Years"
      },
      "enrollment_count": 80,
      "start_date": "2014-12",
      "completion_date": "2020-02",
      "has_results": true,
      "last_update_posted_date": "2024-07-23",
      "last_synced_at": "2026-10-14T02:58:00.468Z",
      "location_count": 2,
      "location_summary": "Eugene, Oregon",
      "locations": [
        {
          "city": "Eugene",
          "state": "Oregon"
        },
        {
          "city": "Eugene",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02145949"
    },
    {
      "nct_id": "NCT01539538",
      "title": "A Multicenter, Randomized, Open-Label, Parallel-Group Trial to Compare the Efficacy and Safety of the Sufentanil NanoTab PCA System/15 mcg (Zalviso™)to Intravenous Patient-Controlled Analgesia With Morphine for the Treatment of Acute Post-Operative Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Post-Operative Pain"
      ],
      "interventions": [
        {
          "name": "Sufentanil NanoTab PCA System/15 mcg",
          "type": "DRUG"
        },
        {
          "name": "morphine IV PCA",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Talphera, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 357,
      "start_date": "2012-04",
      "completion_date": "2012-12",
      "has_results": true,
      "last_update_posted_date": "2015-10-01",
      "last_synced_at": "2026-10-14T02:58:00.468Z",
      "location_count": 16,
      "location_summary": "Florence, Alabama • Montgomery, Alabama • Sheffield, Alabama + 13 more",
      "locations": [
        {
          "city": "Florence",
          "state": "Alabama"
        },
        {
          "city": "Montgomery",
          "state": "Alabama"
        },
        {
          "city": "Sheffield",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Pasadena",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01539538"
    },
    {
      "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": "2026-10-14T02:58:00.468Z",
      "location_count": 1,
      "location_summary": "Fort Lauderdale, Florida",
      "locations": [
        {
          "city": "Fort Lauderdale",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02765815"
    },
    {
      "nct_id": "NCT04103515",
      "title": "Knee Kinematics for Subjects With Zimmer-Biomet Posterior Cruciate Retaining or Posterior Stabilizing Total Knee Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Arthroplasty, Replacement, Knee",
        "Osteoarthritis, Knee"
      ],
      "interventions": [
        {
          "name": "Zimmer-Biomet Posterior Cruciate Retaining total knee arthroplasty",
          "type": "DEVICE"
        },
        {
          "name": "Zimmer-Biomet Posterior Stabilizing total knee arthroplasty",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "The University of Tennessee, Knoxville",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2019-01-03",
      "completion_date": "2020-11-06",
      "has_results": true,
      "last_update_posted_date": "2021-10-12",
      "last_synced_at": "2026-10-14T02:58:00.468Z",
      "location_count": 2,
      "location_summary": "Bryn Mawr, Pennsylvania • Knoxville, Tennessee",
      "locations": [
        {
          "city": "Bryn Mawr",
          "state": "Pennsylvania"
        },
        {
          "city": "Knoxville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04103515"
    },
    {
      "nct_id": "NCT03668717",
      "title": "Survivorship and Outcomes of Robotic-Arm Assisted Medial Unicompartmental Knee Arthroplasty",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Robotic-arm assisted medical MCK implant",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "St. Helena Hospital Coon Joint Replacement Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 133,
      "start_date": "2011-10",
      "completion_date": "2026-04",
      "has_results": false,
      "last_update_posted_date": "2018-09-13",
      "last_synced_at": "2026-10-14T02:58:00.468Z",
      "location_count": 1,
      "location_summary": "St. Helena, California",
      "locations": [
        {
          "city": "St. Helena",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03668717"
    },
    {
      "nct_id": "NCT01410240",
      "title": "Efficacy and Safety of FLOSEAL for Hemostasis in Total Knee Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Knee Replacement Surgery",
        "Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Standard of Care",
          "type": "PROCEDURE"
        },
        {
          "name": "FLOSEAL Hemostatic Matrix + Standard of care",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Baxter Healthcare Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 137,
      "start_date": "2011-09",
      "completion_date": "2013-01",
      "has_results": true,
      "last_update_posted_date": "2014-06-06",
      "last_synced_at": "2026-10-14T02:58:00.468Z",
      "location_count": 12,
      "location_summary": "Los Angeles, California • Redwood City, California • Englewood, Colorado + 8 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Redwood City",
          "state": "California"
        },
        {
          "city": "Englewood",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "DeLand",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01410240"
    },
    {
      "nct_id": "NCT01777009",
      "title": "The Effect of Patellar Eversion on Functional Outcomes in Primary Total Knee Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Total Knee Replacement",
        "Arthroplasty",
        "Patella"
      ],
      "interventions": [
        {
          "name": "Primary Total Knee Replacement Surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Northwell Health",
      "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": "2009-03",
      "completion_date": "2012-04",
      "has_results": false,
      "last_update_posted_date": "2013-01-28",
      "last_synced_at": "2026-10-14T02:58:00.468Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01777009"
    },
    {
      "nct_id": "NCT03687593",
      "title": "Safety and Performance Using Legion™ CR Oxinium and CoCr Femoral Implants Combined With Legion™/Genesis™ II XLPE High Flex Tibial Inserts",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Total Knee Arthroplasty"
      ],
      "interventions": [
        {
          "name": "Legion™ CR Oxinium and CoCr Femoral Implants combined with Legion™/Genesis™ II XLPE High Flex Tibial Inserts",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Smith & Nephew, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 126,
      "start_date": "2018-08-26",
      "completion_date": "2028-04-01",
      "has_results": false,
      "last_update_posted_date": "2026-01-29",
      "last_synced_at": "2026-10-14T02:58:00.468Z",
      "location_count": 4,
      "location_summary": "Edina, Minnesota • Reno, Nevada • Greenville, South Carolina + 1 more",
      "locations": [
        {
          "city": "Edina",
          "state": "Minnesota"
        },
        {
          "city": "Reno",
          "state": "Nevada"
        },
        {
          "city": "Greenville",
          "state": "South Carolina"
        },
        {
          "city": "Johnson City",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03687593"
    },
    {
      "nct_id": "NCT02218814",
      "title": "Study to Evaluate ACB Versus FNB Early Postoperative Period Functional Outcomes After TKA",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Arthroplasty, Replacement, Knee",
        "Nerve Block"
      ],
      "interventions": [
        {
          "name": "Adductor Canal Block, Bupivacaine",
          "type": "PROCEDURE"
        },
        {
          "name": "Femoral Nerve Block, Bupivacaine",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "George Macrinici",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "40 Years to 80 Years"
      },
      "enrollment_count": 106,
      "start_date": "2014-08",
      "completion_date": "2016-01",
      "has_results": false,
      "last_update_posted_date": "2016-02-02",
      "last_synced_at": "2026-10-14T02:58:00.468Z",
      "location_count": 1,
      "location_summary": "Joliet, Illinois",
      "locations": [
        {
          "city": "Joliet",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02218814"
    },
    {
      "nct_id": "NCT02579538",
      "title": "Flexibility of Cognition And Persistent Pain",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pain, Postoperative"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 300,
      "start_date": "2015-09-01",
      "completion_date": "2018-12-01",
      "has_results": false,
      "last_update_posted_date": "2020-01-28",
      "last_synced_at": "2026-10-14T02:58:00.468Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02579538"
    }
  ]
}