{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Primary+Knee+Arthroplasty&page=2",
    "query": {
      "condition": "Primary 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+Knee+Arthroplasty&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-06-10T10:50:12.038Z",
  "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": "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": "2026-06-10T10:50:12.038Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06640491"
    },
    {
      "nct_id": "NCT01746524",
      "title": "Prospective, Multiconfiguration Study to Assess Functional Performance of Primary Total Knee Arthroplasty System",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "ATTUNE Primary Total Knee Arthroplasty",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "DePuy Orthopaedics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "22 Years to 80 Years"
      },
      "enrollment_count": 1138,
      "start_date": "2012-11-01",
      "completion_date": "2018-03-05",
      "has_results": false,
      "last_update_posted_date": "2019-04-11",
      "last_synced_at": "2026-06-10T10:50:12.038Z",
      "location_count": 9,
      "location_summary": "Orange, California • San Diego, California • Fort Collins, Colorado + 6 more",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Fort Collins",
          "state": "Colorado"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "Las Vegas",
          "state": "Nevada"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01746524"
    },
    {
      "nct_id": "NCT01809054",
      "title": "Pilot Study Evaluating Alterations in Thrombogenicity and Platelet Reactivity Following Lower Extremity Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Primary Total Hip and Knee Arthroplasty"
      ],
      "interventions": [
        {
          "name": "Arixtra",
          "type": "DRUG"
        },
        {
          "name": "Pneumatic compression stockings",
          "type": "DEVICE"
        },
        {
          "name": "Aspirin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "LifeBridge Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 54,
      "start_date": "2012-04",
      "completion_date": "2013-02",
      "has_results": true,
      "last_update_posted_date": "2014-04-21",
      "last_synced_at": "2026-06-10T10:50:12.038Z",
      "location_count": 2,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01809054"
    },
    {
      "nct_id": "NCT02491281",
      "title": "First-in-human Single Ascending Dose Study of LNA043 in Patients Scheduled for Total Knee Replacement",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Primary Osteoarthritis Patients Scheduled for Total Knee Replacement Surgery"
      ],
      "interventions": [
        {
          "name": "LNA043",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "50 Years to 75 Years"
      },
      "enrollment_count": 28,
      "start_date": "2015-11-16",
      "completion_date": "2018-03-06",
      "has_results": false,
      "last_update_posted_date": "2020-12-11",
      "last_synced_at": "2026-06-10T10:50:12.038Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02491281"
    },
    {
      "nct_id": "NCT03952546",
      "title": "To Evaluate the Safety and Efficacy of the Saline-coupled Bipolar Sealer in Primary Unilateral Total Knee Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Surgical Blood Loss"
      ],
      "interventions": [
        {
          "name": "Saline-coupled Bipolar Sealer",
          "type": "DEVICE"
        },
        {
          "name": "Unipolar electrocautery",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Northwell Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 211,
      "start_date": "2019-05-07",
      "completion_date": "2021-06-09",
      "has_results": true,
      "last_update_posted_date": "2023-02-15",
      "last_synced_at": "2026-06-10T10:50:12.038Z",
      "location_count": 1,
      "location_summary": "Syosset, New York",
      "locations": [
        {
          "city": "Syosset",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03952546"
    },
    {
      "nct_id": "NCT05252858",
      "title": "A Pilot Study Investigating the nCAP Signal Relief Patch in Subjects Undergoing Primary Hip or Knee Replacement Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Opioid Use",
        "Pain, Post Operative"
      ],
      "interventions": [
        {
          "name": "nCAP Signal Relief Patch",
          "type": "DEVICE"
        },
        {
          "name": "Standard of Care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Jacques E. Chelly",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 79,
      "start_date": "2022-03-21",
      "completion_date": "2022-10-08",
      "has_results": true,
      "last_update_posted_date": "2024-04-18",
      "last_synced_at": "2026-06-10T10:50:12.038Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05252858"
    },
    {
      "nct_id": "NCT03863743",
      "title": "Impact of Integrated Care Pathways for Prevention of Post-operative Urinary Retention (POUR)",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Arthroplasty, Replacement, Hip",
        "Arthroplasty, Replacement, Knee",
        "Urinary Retention"
      ],
      "interventions": [
        {
          "name": "integrated care pathway",
          "type": "OTHER"
        },
        {
          "name": "physician's standard of care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "TriHealth Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 164,
      "start_date": "2019-02-05",
      "completion_date": "2022-02-05",
      "has_results": false,
      "last_update_posted_date": "2021-03-01",
      "last_synced_at": "2026-06-10T10:50:12.038Z",
      "location_count": 2,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03863743"
    },
    {
      "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": "2026-06-10T10:50:12.038Z",
      "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": "NCT07598734",
      "title": "Doxepin Alone or Combined With Ramelteon Versus Placebo for Improving Sleep Quality After Primary Total Knee Arthroplasty",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Sleep Quality Post-TKA",
        "Postoperative Knee Function",
        "Quality of Life After Primary TKA"
      ],
      "interventions": [
        {
          "name": "Doxepin 6 mg",
          "type": "DRUG"
        },
        {
          "name": "Ramelteon 8 mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo Tablets",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Washington",
      "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": 129,
      "start_date": "2026-06",
      "completion_date": "2028-06",
      "has_results": false,
      "last_update_posted_date": "2026-05-20",
      "last_synced_at": "2026-06-10T10:50:12.038Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07598734"
    },
    {
      "nct_id": "NCT07070882",
      "title": "Oral Steroid Taper After Total Knee Arthroplasty",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Osteoarthritis, Knee"
      ],
      "interventions": [
        {
          "name": "Methylprednisolone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 116,
      "start_date": "2025-06-20",
      "completion_date": "2027-06-20",
      "has_results": false,
      "last_update_posted_date": "2026-04-20",
      "last_synced_at": "2026-06-10T10:50:12.038Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07070882"
    }
  ]
}