{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Primary+Total+Knee+Arthroplasty&page=2",
    "query": {
      "condition": "Primary Total Knee Arthroplasty",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Primary+Total+Knee+Arthroplasty&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-06-07T20:40:40.426Z",
  "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": "NCT03260699",
      "title": "Economic and Functional Impact of Peri-Operative Bracing for Primary Total Knee Arthroplasty (TKA)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Arthropathy of Knee"
      ],
      "interventions": [
        {
          "name": "OCSI Rehabilitator brace",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "The Cleveland Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 9,
      "start_date": "2017-10-05",
      "completion_date": "2018-01-01",
      "has_results": true,
      "last_update_posted_date": "2019-10-09",
      "last_synced_at": "2026-06-07T20:40:40.426Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03260699"
    },
    {
      "nct_id": "NCT02374398",
      "title": "Clinical Trial Comparing Tranexamic Acid (TXA) With Aquamantys Sealer in Total Knee Arthroplasty (TKA)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Blood Loss"
      ],
      "interventions": [
        {
          "name": "Tranexamic Acid",
          "type": "DRUG"
        },
        {
          "name": "Aquamantys System",
          "type": "DEVICE"
        },
        {
          "name": "Control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Eastern Maine Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 127,
      "start_date": "2011-03",
      "completion_date": "2014-11",
      "has_results": true,
      "last_update_posted_date": "2017-01-16",
      "last_synced_at": "2026-06-07T20:40:40.426Z",
      "location_count": 1,
      "location_summary": "Bangor, Maine",
      "locations": [
        {
          "city": "Bangor",
          "state": "Maine"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02374398"
    },
    {
      "nct_id": "NCT00289107",
      "title": "Randomized Fixed Bearing vs Mobile Bearing Cruciate Substituting TKA",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis",
        "Rheumatoid Arthritis",
        "Other Inflammatory Arthritis",
        "Post-Traumatic Arthritis",
        "Juvenile Rheumatoid Arthritis",
        "Avascular Necrosis"
      ],
      "interventions": [
        {
          "name": "Total Knee Arthroplasty",
          "type": "DEVICE"
        },
        {
          "name": "Total knee replacement",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "DePuy Orthopaedics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 149,
      "start_date": "2001-04-01",
      "completion_date": "2007-11-01",
      "has_results": true,
      "last_update_posted_date": "2023-05-03",
      "last_synced_at": "2026-06-07T20:40:40.426Z",
      "location_count": 3,
      "location_summary": "Greensboro, North Carolina • Austin, Texas • Lakewood, Washington",
      "locations": [
        {
          "city": "Greensboro",
          "state": "North Carolina"
        },
        {
          "city": "Austin",
          "state": "Texas"
        },
        {
          "city": "Lakewood",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00289107"
    },
    {
      "nct_id": "NCT04795336",
      "title": "Melatonin Use After Primary Total Joint Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Osteo Arthritis Knee"
      ],
      "interventions": [
        {
          "name": "Melatonin 5 mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "NYU Langone Health",
      "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": 294,
      "start_date": "2021-07-12",
      "completion_date": "2024-04-18",
      "has_results": true,
      "last_update_posted_date": "2025-05-04",
      "last_synced_at": "2026-06-07T20:40:40.426Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04795336"
    },
    {
      "nct_id": "NCT01333956",
      "title": "Effects of Pregabalin on Pain After Total Knee Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Primary Total Knee Arthroplasty"
      ],
      "interventions": [
        {
          "name": "Pregabalin 50mg",
          "type": "DRUG"
        },
        {
          "name": "Pregabalin 100mg",
          "type": "DRUG"
        },
        {
          "name": "Pregabalin 150mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "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": 120,
      "start_date": "2011-05",
      "completion_date": "2013-06",
      "has_results": true,
      "last_update_posted_date": "2016-05-18",
      "last_synced_at": "2026-06-07T20:40:40.426Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01333956"
    },
    {
      "nct_id": "NCT06640491",
      "title": "Intraosseous (IO) Cefazolin and Vancomycin in Primary Total Knee Arthroplasty (TKA)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Total Knee Arthroplasty"
      ],
      "interventions": [
        {
          "name": "IO Administration of Cefazolin",
          "type": "DRUG"
        },
        {
          "name": "IO Administration of Vancomycin",
          "type": "DRUG"
        },
        {
          "name": "IV Administration of Cefazolin",
          "type": "DRUG"
        },
        {
          "name": "IV Administration of Vancomycin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The Methodist Hospital Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2025-05-15",
      "completion_date": "2035-12-01",
      "has_results": false,
      "last_update_posted_date": "2025-05-18",
      "last_synced_at": "2026-06-07T20:40:40.426Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06640491"
    },
    {
      "nct_id": "NCT00152971",
      "title": "Dabigatran Etexilate vs Enoxaparin in Prevention of Venous Thromboembolism (VTE) Post Total Knee Replacement",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Arthroplasty, Replacement, Knee",
        "Thromboembolism"
      ],
      "interventions": [
        {
          "name": "Dabigatran Dose 1 - day 2 to completion",
          "type": "DRUG"
        },
        {
          "name": "Dabigatran Dose 1 - day 1",
          "type": "DRUG"
        },
        {
          "name": "Dabigatran Dose 2 - day 2 to completion",
          "type": "DRUG"
        },
        {
          "name": "Dabigatran Dose 2 - day 1",
          "type": "DRUG"
        },
        {
          "name": "Enoxaparin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boehringer Ingelheim",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2615,
      "start_date": "2004-11",
      "completion_date": null,
      "has_results": true,
      "last_update_posted_date": "2014-05-05",
      "last_synced_at": "2026-06-07T20:40:40.426Z",
      "location_count": 59,
      "location_summary": "Birmingham, Alabama • Northport, Alabama • Tucson, Arizona + 48 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Northport",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00152971"
    },
    {
      "nct_id": "NCT05139030",
      "title": "Phase 3 Adductor Canal Block With EXPAREL in Subjects Undergoing Primary Unilateral Total Knee Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Knee Osteoarthritis",
        "Pain Management"
      ],
      "interventions": [
        {
          "name": "bupivacaine liposome injectable suspension",
          "type": "DRUG"
        },
        {
          "name": "Bupivacaine Hydrochloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pacira Pharmaceuticals, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 167,
      "start_date": "2022-01-18",
      "completion_date": "2022-07-11",
      "has_results": true,
      "last_update_posted_date": "2024-10-24",
      "last_synced_at": "2026-06-07T20:40:40.426Z",
      "location_count": 6,
      "location_summary": "Little Rock, Arkansas • Pasadena, California • Dayton, Ohio + 3 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Pasadena",
          "state": "California"
        },
        {
          "city": "Dayton",
          "state": "Ohio"
        },
        {
          "city": "Bellaire",
          "state": "Texas"
        },
        {
          "city": "Carrollton",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05139030"
    },
    {
      "nct_id": "NCT06089291",
      "title": "Persona IQ Cohort Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Osteo Arthritis Knee",
        "Knee Arthritis",
        "Monitoring Orthopedic Devices",
        "Total Knee Arthroplasty",
        "Total Knee Replacement"
      ],
      "interventions": [
        {
          "name": "Persona IQ",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Zimmer Biomet",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2024-02-20",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-06-04",
      "last_synced_at": "2026-06-07T20:40:40.426Z",
      "location_count": 4,
      "location_summary": "Granger, Indiana • St Louis, Missouri • Charlotte, North Carolina + 1 more",
      "locations": [
        {
          "city": "Granger",
          "state": "Indiana"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Charlotte",
          "state": "North Carolina"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06089291"
    },
    {
      "nct_id": "NCT05099276",
      "title": "Extended Postoperative Oral Tranexamic Acid in Knee Replacement",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Knee Osteoarthritis",
        "Blood Loss",
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "Tranexamic Acid Pill",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Campbell Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 46,
      "start_date": "2021-12-07",
      "completion_date": "2024-06-01",
      "has_results": false,
      "last_update_posted_date": "2024-03-06",
      "last_synced_at": "2026-06-07T20:40:40.426Z",
      "location_count": 1,
      "location_summary": "Germantown, Tennessee",
      "locations": [
        {
          "city": "Germantown",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05099276"
    }
  ]
}