{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Primary+Total+Knee+Arthroplasty&page=3",
    "query": {
      "condition": "Primary Total Knee Arthroplasty",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 105,
    "total_pages": 11,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Primary+Total+Knee+Arthroplasty&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Primary+Total+Knee+Arthroplasty&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-09T10:15:10.546Z",
  "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": "NCT04821154",
      "title": "Persona Revision Knee System Outcomes",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Arthroplasty Complications",
        "Infection",
        "Knee Disease",
        "Knee Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Persona Revision Knee System",
          "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": 380,
      "start_date": "2021-06-14",
      "completion_date": "2033-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-10",
      "last_synced_at": "2026-10-09T10:15:10.546Z",
      "location_count": 16,
      "location_summary": "Fayetteville, Arkansas • Little Rock, Arkansas • Fresno, California + 13 more",
      "locations": [
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Superior",
          "state": "Colorado"
        },
        {
          "city": "Evansville",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04821154"
    },
    {
      "nct_id": "NCT03762603",
      "title": "Does Supplementing of Quadriceps Strength With Exoskeleton After Total Knee Arthroplasty in High Risk Population Reduce Transfer to Extended Care Facility (ECF)",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Primary Knee Replacement Surgery"
      ],
      "interventions": [
        {
          "name": "Robotic exoskeleton device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 0,
      "start_date": "2025-09",
      "completion_date": "2027-12-20",
      "has_results": false,
      "last_update_posted_date": "2025-04-11",
      "last_synced_at": "2026-10-09T10:15:10.546Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03762603"
    },
    {
      "nct_id": "NCT04294862",
      "title": "Tissue Distribution, Pharmacokinetics, Safety, and Tolerability After a Single Dose of TNP-2092 in Participants Undergoing Primary Total Hip or Knee Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Prosthetic Joint Infection"
      ],
      "interventions": [
        {
          "name": "TNP-2092",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "TenNor Therapeutics Limited",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 13,
      "start_date": "2021-03-01",
      "completion_date": "2022-06-29",
      "has_results": false,
      "last_update_posted_date": "2022-10-19",
      "last_synced_at": "2026-10-09T10:15:10.546Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04294862"
    },
    {
      "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": "2026-10-09T10:15:10.546Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02491281"
    },
    {
      "nct_id": "NCT05669066",
      "title": "Meditation and Opioid Consumption in Total Joint Replacement Patients Undergo Primary Total Hip and Knee Replacement",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Arthropathy of Knee",
        "Osteo Arthritis Knee",
        "Osteonecrosis",
        "Meditation",
        "Knee Osteoarthritis",
        "Knee Disease",
        "Knee Injuries",
        "Opioid Use",
        "Opioid Dependence",
        "Opioid Use Disorder"
      ],
      "interventions": [
        {
          "name": "Mindful meditation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Beth Israel Deaconess Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 29,
      "start_date": "2017-07-10",
      "completion_date": "2021-12-16",
      "has_results": false,
      "last_update_posted_date": "2022-12-30",
      "last_synced_at": "2026-10-09T10:15:10.546Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05669066"
    },
    {
      "nct_id": "NCT06670651",
      "title": "LinkSymphoKnee (LSK) Total Knee Replacement System Study - Ultra-congruent (UC)",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Osteoarthritis (OA) of the Knee",
        "Fracture",
        "Rheumatoid Arthritis"
      ],
      "interventions": [
        {
          "name": "total knee arthroplasty device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "LinkBio Corp.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "18 Years to 79 Years"
      },
      "enrollment_count": 600,
      "start_date": "2025-03-21",
      "completion_date": "2031-12",
      "has_results": false,
      "last_update_posted_date": "2026-09-03",
      "last_synced_at": "2026-10-09T10:15:10.546Z",
      "location_count": 2,
      "location_summary": "Birmingham, Alabama • Libertyville, Illinois",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Libertyville",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06670651"
    },
    {
      "nct_id": "NCT01364870",
      "title": "Effect of TENS for Pain and Function After Total Knee Replacement",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Unilateral Primary Osteoarthritis of Knee",
        "Primary Osteoarthritis of Knee Nos"
      ],
      "interventions": [
        {
          "name": "Placebo TENS",
          "type": "DEVICE"
        },
        {
          "name": "Active TENS",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Barbara A Rakel",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "30 Years to 100 Years"
      },
      "enrollment_count": 317,
      "start_date": "2008-05",
      "completion_date": "2012-05",
      "has_results": true,
      "last_update_posted_date": "2017-11-30",
      "last_synced_at": "2026-10-09T10:15:10.546Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01364870"
    },
    {
      "nct_id": "NCT01620047",
      "title": "Postoperative Knee Strength Following Total Knee Replacement: A Double-Blinded Randomized Comparison Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Total Knee Replacement",
        "Primary Knee Arthroplasty"
      ],
      "interventions": [
        {
          "name": "Fentanyl",
          "type": "DRUG"
        },
        {
          "name": "Ropivacaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of South Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2011-03",
      "completion_date": "2012-03",
      "has_results": true,
      "last_update_posted_date": "2013-11-11",
      "last_synced_at": "2026-10-09T10:15:10.546Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01620047"
    },
    {
      "nct_id": "NCT02341079",
      "title": "Intraoperative Liposomal Bupivacaine Injection in Primary Total Knee Arthroplasty",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Osteoarthritis",
        "Osteoarthritis, Knee",
        "Arthritis, Degenerative",
        "Osteoarthrosis",
        "Osteoarthrosis Deformans"
      ],
      "interventions": [
        {
          "name": "Bupivacaine Liposome Injection",
          "type": "DRUG"
        },
        {
          "name": "Indwelling femoral nerve block",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "United States Naval Medical Center, San Diego",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2015-03",
      "completion_date": "2015-10",
      "has_results": false,
      "last_update_posted_date": "2017-03-10",
      "last_synced_at": "2026-10-09T10:15:10.546Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02341079"
    },
    {
      "nct_id": "NCT03016078",
      "title": "Self-adherent Absorbent Silver Dressing in Adults After Hip or Knee Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Arthroplasties, Hip Replacement",
        "Arthroplasties, Knee Replacement"
      ],
      "interventions": [
        {
          "name": "Mepilex Border Post-Op Ag",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Molnlycke Health Care AB",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 21,
      "start_date": "2017-02-01",
      "completion_date": "2017-04-07",
      "has_results": true,
      "last_update_posted_date": "2018-02-14",
      "last_synced_at": "2026-10-09T10:15:10.546Z",
      "location_count": 1,
      "location_summary": "Gilbert, Arizona",
      "locations": [
        {
          "city": "Gilbert",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03016078"
    }
  ]
}