{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Osteoarthritis%2C+Knee&page=35",
    "query": {
      "condition": "Osteoarthritis, Knee",
      "page": 35
    },
    "page_size": 10
  },
  "pagination": {
    "page": 35,
    "page_size": 10,
    "total_count": 1212,
    "total_pages": 122,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Osteoarthritis%2C+Knee&page=36&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Osteoarthritis%2C+Knee&page=34&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-17T00:27:36.012Z",
  "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": "NCT03961711",
      "title": "Telemedicine in Total Hip Arthroplasty and Total Knee Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Knee Osteoarthritis",
        "Hip Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Telemedicine",
          "type": "PROCEDURE"
        },
        {
          "name": "In-Person Clinic Visit",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "The Hawkins Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 98,
      "start_date": "2019-05-10",
      "completion_date": "2020-05-22",
      "has_results": false,
      "last_update_posted_date": "2020-08-04",
      "last_synced_at": "2026-10-17T00:27:36.012Z",
      "location_count": 1,
      "location_summary": "Greenville, South Carolina",
      "locations": [
        {
          "city": "Greenville",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03961711"
    },
    {
      "nct_id": "NCT03598829",
      "title": "A Prospective Clinical Trial Comparing Serum Mast Cell Tryptase (SMCT) Levels to Arthrofibrosis Rates Among Primary Total Knee Arthroplasty (TKA) Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Knee Osteoarthritis",
        "Arthropathy of Knee",
        "Arthrofibrosis"
      ],
      "interventions": [
        {
          "name": "Tryptase, Serum test",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "20 Years to 100 Years"
      },
      "enrollment_count": 219,
      "start_date": "2018-07-01",
      "completion_date": "2023-11-15",
      "has_results": false,
      "last_update_posted_date": "2025-12-18",
      "last_synced_at": "2026-10-17T00:27:36.012Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03598829"
    },
    {
      "nct_id": "NCT00665431",
      "title": "Efficacy Study of PN400 (VIMOVO) Twice Daily and Celebrex Once Daily in Patients With Osteoarthritis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "PN 400 (VIMOVO)",
          "type": "DRUG"
        },
        {
          "name": "celebrex",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Rescue Antacid",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "POZEN",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 610,
      "start_date": "2008-04",
      "completion_date": "2009-01",
      "has_results": true,
      "last_update_posted_date": "2011-12-06",
      "last_synced_at": "2026-10-17T00:27:36.012Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00665431"
    },
    {
      "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": "2026-10-17T00:27:36.012Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03146819"
    },
    {
      "nct_id": "NCT00456157",
      "title": "A Phase 1, Double-Blind, Randomized, Single Dose Escalation Safety Study of Intra-articular OP-1 in Subjects With Osteoarthritis of the Knee",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Osteoarthritis of the Knee"
      ],
      "interventions": [
        {
          "name": "Intra-articular Injection of OP-1 to affected knee",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Stryker Biotech",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 33,
      "start_date": "2007-03",
      "completion_date": "2008-11",
      "has_results": false,
      "last_update_posted_date": "2010-06-17",
      "last_synced_at": "2026-10-17T00:27:36.012Z",
      "location_count": 3,
      "location_summary": "Boston, Massachusetts • Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00456157"
    },
    {
      "nct_id": "NCT02075931",
      "title": "Collaborative-care Intervention to Promote Physical Activity After Total Knee Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Physical activity feedback with group meetings",
          "type": "OTHER"
        },
        {
          "name": "Control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "50 Years to 75 Years"
      },
      "enrollment_count": 45,
      "start_date": "2014-02",
      "completion_date": "2018-02",
      "has_results": false,
      "last_update_posted_date": "2018-02-23",
      "last_synced_at": "2026-10-17T00:27:36.012Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02075931"
    },
    {
      "nct_id": "NCT04513145",
      "title": "Adductor Canal Block",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Osteoarthritis",
        "Total Knee Replacement"
      ],
      "interventions": [
        {
          "name": "Ropivacaine injection",
          "type": "DRUG"
        },
        {
          "name": "Saline Injection",
          "type": "DRUG"
        },
        {
          "name": "Total Knee Arthroplasty",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "OrthoCarolina Research Institute, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "30 Years to 85 Years"
      },
      "enrollment_count": 93,
      "start_date": "2020-10-09",
      "completion_date": "2025-05-23",
      "has_results": false,
      "last_update_posted_date": "2026-04-06",
      "last_synced_at": "2026-10-17T00:27:36.012Z",
      "location_count": 1,
      "location_summary": "Charlotte, North Carolina",
      "locations": [
        {
          "city": "Charlotte",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04513145"
    },
    {
      "nct_id": "NCT04951661",
      "title": "Virtual Reality and Older Adult Knee OA",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Knee Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Virtual Reality",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Tufts University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 16,
      "start_date": "2021-06-19",
      "completion_date": "2021-09-10",
      "has_results": false,
      "last_update_posted_date": "2022-02-14",
      "last_synced_at": "2026-10-17T00:27:36.012Z",
      "location_count": 1,
      "location_summary": "Chestnut Hill, Massachusetts",
      "locations": [
        {
          "city": "Chestnut Hill",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04951661"
    },
    {
      "nct_id": "NCT05377450",
      "title": "Prospective Randomized Study of Cementless vs Cemented UKA",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis, Knee"
      ],
      "interventions": [
        {
          "name": "Engage Partial Knee",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "JIS Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "21 Years to 80 Years"
      },
      "enrollment_count": 108,
      "start_date": "2022-08-29",
      "completion_date": "2025-05",
      "has_results": false,
      "last_update_posted_date": "2025-03-26",
      "last_synced_at": "2026-10-17T00:27:36.012Z",
      "location_count": 1,
      "location_summary": "New Albany, Ohio",
      "locations": [
        {
          "city": "New Albany",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05377450"
    },
    {
      "nct_id": "NCT04275362",
      "title": "Gait Analysis of a Lateral-Pivot Design Total Knee Replacement",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Knee Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "DJO Empowr PS Knee System",
          "type": "DEVICE"
        },
        {
          "name": "Stryker Triathlon Total Knee System",
          "type": "DEVICE"
        },
        {
          "name": "Biomet Vanguard Complete Knee System",
          "type": "DEVICE"
        },
        {
          "name": "Control",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "More Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 102,
      "start_date": "2017-02-02",
      "completion_date": "2029-01-02",
      "has_results": false,
      "last_update_posted_date": "2022-05-06",
      "last_synced_at": "2026-10-17T00:27:36.012Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04275362"
    }
  ]
}