{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Knee+Osteoarthritis&page=25",
    "query": {
      "intervention": "Knee Osteoarthritis",
      "page": 25
    },
    "page_size": 10
  },
  "pagination": {
    "page": 25,
    "page_size": 10,
    "total_count": 865,
    "total_pages": 87,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Knee+Osteoarthritis&page=26&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Knee+Osteoarthritis&page=24&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-16T16:25:13.068Z",
  "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": "NCT02608957",
      "title": "Evaluation of the Latella™ Knee Implant System for Medial Osteoarthritis Pain Reduction",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Latella Knee Implant System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Cotera, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "30 Years to 70 Years"
      },
      "enrollment_count": 1,
      "start_date": "2015-12",
      "completion_date": "2017-03",
      "has_results": false,
      "last_update_posted_date": "2017-04-04",
      "last_synced_at": "2026-10-16T16:25:13.068Z",
      "location_count": 2,
      "location_summary": "Washington D.C., District of Columbia • Chicago, Illinois",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02608957"
    },
    {
      "nct_id": "NCT04145401",
      "title": "Post Market Clinical Follow-Up Study- EVOLUTION® Revision CCK",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Knee Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Revision Knee implants",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "MicroPort Orthopedics Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 45,
      "start_date": "2020-09-30",
      "completion_date": "2033-11-01",
      "has_results": false,
      "last_update_posted_date": "2024-03-20",
      "last_synced_at": "2026-10-16T16:25:13.068Z",
      "location_count": 1,
      "location_summary": "Englewood, Colorado",
      "locations": [
        {
          "city": "Englewood",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04145401"
    },
    {
      "nct_id": "NCT00007241",
      "title": "Muscle Strengthening Device for Knee Osteoarthritis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Isometric exercise",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 92,
      "start_date": "2001-09",
      "completion_date": "2002-07",
      "has_results": false,
      "last_update_posted_date": "2007-01-04",
      "last_synced_at": "2026-10-16T16:25:13.068Z",
      "location_count": 6,
      "location_summary": "Trumbull, Connecticut • Moorestown, New Jersey • Rochester, New York + 3 more",
      "locations": [
        {
          "city": "Trumbull",
          "state": "Connecticut"
        },
        {
          "city": "Moorestown",
          "state": "New Jersey"
        },
        {
          "city": "Rochester",
          "state": "New York"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Wyomissing",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00007241"
    },
    {
      "nct_id": "NCT01511939",
      "title": "Trial to See if Topical Pennsaid for Knee Pain Affects Coagulation Values in Patients Who Are Also Taking Anticoagulants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Osteoarthritis of the Knee",
        "Coagulopathy"
      ],
      "interventions": [
        {
          "name": "Pennsaid",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Nathan Wei, MD, FACP, FACR:",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "55 Years and older"
      },
      "enrollment_count": 22,
      "start_date": "2012-02",
      "completion_date": "2013-05",
      "has_results": true,
      "last_update_posted_date": "2014-06-26",
      "last_synced_at": "2026-10-16T16:25:13.068Z",
      "location_count": 1,
      "location_summary": "Frederick, Maryland",
      "locations": [
        {
          "city": "Frederick",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01511939"
    },
    {
      "nct_id": "NCT04044612",
      "title": "Effect of Knee Bracing on Improving Pain & Disability",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Knee Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Medial Unloader Brace",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "40 Years to 75 Years"
      },
      "enrollment_count": 31,
      "start_date": "2018-12-01",
      "completion_date": "2020-03-31",
      "has_results": false,
      "last_update_posted_date": "2021-03-08",
      "last_synced_at": "2026-10-16T16:25:13.068Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04044612"
    },
    {
      "nct_id": "NCT02413411",
      "title": "Race and Preference for Knee Replacement: A Patient-Centered Intervention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Knee Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "DA/MI Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "an educational program (an NIH-developed booklet)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 493,
      "start_date": "2010-05",
      "completion_date": "2014-05",
      "has_results": false,
      "last_update_posted_date": "2015-04-09",
      "last_synced_at": "2026-10-16T16:25:13.068Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02413411"
    },
    {
      "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": "2026-10-16T16:25:13.068Z",
      "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": "2026-10-16T16:25:13.068Z",
      "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": "2026-10-16T16:25:13.068Z",
      "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": "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": "2026-10-16T16:25:13.068Z",
      "location_count": 1,
      "location_summary": "Chestnut Hill, Massachusetts",
      "locations": [
        {
          "city": "Chestnut Hill",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04951661"
    }
  ]
}