{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Knee+Osteoarthritis&page=20",
    "query": {
      "intervention": "Knee Osteoarthritis",
      "page": 20
    },
    "page_size": 10
  },
  "pagination": {
    "page": 20,
    "page_size": 10,
    "total_count": 865,
    "total_pages": 87,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Knee+Osteoarthritis&page=21&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Knee+Osteoarthritis&page=19&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-16T05:02:34.931Z",
  "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": "NCT03362957",
      "title": "Geniculate Artery Embolization for Knee Pain Secondary to Osteoarthritis (OA)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteo Arthritis Knee"
      ],
      "interventions": [
        {
          "name": "Geniculate Artery Embolization",
          "type": "DEVICE"
        },
        {
          "name": "Sham Procedure",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 21,
      "start_date": "2018-05-25",
      "completion_date": "2020-04-24",
      "has_results": true,
      "last_update_posted_date": "2021-03-22",
      "last_synced_at": "2026-10-16T05:02:34.931Z",
      "location_count": 2,
      "location_summary": "Chapel Hill, North Carolina • Woodbridge, Virginia",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        },
        {
          "city": "Woodbridge",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03362957"
    },
    {
      "nct_id": "NCT01613833",
      "title": "Serum and Synovium Protease Inhibitor Levels in Primary and Secondary Osteoarthritic Joints",
      "overall_status": "SUSPENDED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Osteoarthritis of the Knee"
      ],
      "interventions": [
        {
          "name": "Blood Draw",
          "type": "PROCEDURE"
        },
        {
          "name": "Joint Aspirate Harvest",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Scuderi, Gaetano J., M.D.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "19 Years to 65 Years"
      },
      "enrollment_count": 40,
      "start_date": "2012-03",
      "completion_date": "2018-08",
      "has_results": false,
      "last_update_posted_date": "2017-10-09",
      "last_synced_at": "2026-10-16T05:02:34.931Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01613833"
    },
    {
      "nct_id": "NCT01119898",
      "title": "Exploratory Study of PENNSAID Gel to Treat Symptoms of Knee Osteoarthritis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Osteoarthritis of the Knee"
      ],
      "interventions": [
        {
          "name": "PENNSAID Gel",
          "type": "DRUG"
        },
        {
          "name": "Vehicle",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mallinckrodt",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "40 Years to 85 Years"
      },
      "enrollment_count": 260,
      "start_date": "2010-08-02",
      "completion_date": "2011-02-16",
      "has_results": true,
      "last_update_posted_date": "2019-10-22",
      "last_synced_at": "2026-10-16T05:02:34.931Z",
      "location_count": 26,
      "location_summary": "Tucson, Arizona • Sacramento, California • Clearwater, Florida + 22 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Clearwater",
          "state": "Florida"
        },
        {
          "city": "DeLand",
          "state": "Florida"
        },
        {
          "city": "St. Petersburg",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01119898"
    },
    {
      "nct_id": "NCT01427153",
      "title": "A Comparison of Manual Physical Therapy and Corticosteroid Injections for Knee Osteoarthritis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Knee Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Orthopaedic manual physical therapy",
          "type": "PROCEDURE"
        },
        {
          "name": "Corticosteroid Injection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Madigan Army Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "38 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "38 Years and older"
      },
      "enrollment_count": 156,
      "start_date": "2012-08",
      "completion_date": "2019-05",
      "has_results": false,
      "last_update_posted_date": "2025-01-27",
      "last_synced_at": "2026-10-16T05:02:34.931Z",
      "location_count": 2,
      "location_summary": "San Antonio, Texas • Tacoma, Washington",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        },
        {
          "city": "Tacoma",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01427153"
    },
    {
      "nct_id": "NCT02440672",
      "title": "JOURNEY™ II CR Total Knee System",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Osteoarthritis, Knee"
      ],
      "interventions": [
        {
          "name": "JOURNEY™ II CR Total Knee System (J II CR TKS)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Smith & Nephew, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "22 Years to 75 Years"
      },
      "enrollment_count": 170,
      "start_date": "2015-09",
      "completion_date": "2028-06",
      "has_results": false,
      "last_update_posted_date": "2026-06-12",
      "last_synced_at": "2026-10-16T05:02:34.931Z",
      "location_count": 6,
      "location_summary": "Phoenix, Arizona • Chicago, Illinois • Annapolis, Maryland + 3 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Annapolis",
          "state": "Maryland"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02440672"
    },
    {
      "nct_id": "NCT04815902",
      "title": "Use of Senolytic and Anti-Fibrotic Agents to Improve the Beneficial Effect of Bone Marrow Stem Cells for Osteoarthritis",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Osteoarthritis, Knee"
      ],
      "interventions": [
        {
          "name": "Fisetin",
          "type": "DRUG"
        },
        {
          "name": "Losartan",
          "type": "DRUG"
        },
        {
          "name": "Placebo - Losartan",
          "type": "DRUG"
        },
        {
          "name": "Placebo Fisetin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Steadman Philippon Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "40 Years to 85 Years"
      },
      "enrollment_count": 100,
      "start_date": "2021-05-18",
      "completion_date": "2025-06-01",
      "has_results": false,
      "last_update_posted_date": "2024-04-16",
      "last_synced_at": "2026-10-16T05:02:34.931Z",
      "location_count": 1,
      "location_summary": "Vail, Colorado",
      "locations": [
        {
          "city": "Vail",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04815902"
    },
    {
      "nct_id": "NCT00733902",
      "title": "Tanezumab in Osteoarthritis of the Knee",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Arthritis",
        "Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "tanezumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 697,
      "start_date": "2008-09-15",
      "completion_date": "2010-01-14",
      "has_results": true,
      "last_update_posted_date": "2021-03-22",
      "last_synced_at": "2026-10-16T05:02:34.931Z",
      "location_count": 82,
      "location_summary": "Phoenix, Arizona • Danbury, Connecticut • Stamford, Connecticut + 65 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Danbury",
          "state": "Connecticut"
        },
        {
          "city": "Stamford",
          "state": "Connecticut"
        },
        {
          "city": "Newark",
          "state": "Delaware"
        },
        {
          "city": "Clearwater",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00733902"
    },
    {
      "nct_id": "NCT02729831",
      "title": "Comparative Effectiveness of Decision Support Strategies for Joint Replacement Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hip Osteoarthritis",
        "Knee Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Interactive decision aid",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Video decision aid",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Provider Report",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 1220,
      "start_date": "2016-04",
      "completion_date": "2019-01",
      "has_results": true,
      "last_update_posted_date": "2019-12-13",
      "last_synced_at": "2026-10-16T05:02:34.931Z",
      "location_count": 3,
      "location_summary": "Boston, Massachusetts • Newton, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Newton",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02729831"
    },
    {
      "nct_id": "NCT05482672",
      "title": "GetHealthy-OA: A Program to Improve Pain and Function for Patients With Knee Osteoarthritis, Obesity, and Depression",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Knee Osteoarthritis",
        "Obese",
        "Depression"
      ],
      "interventions": [
        {
          "name": "Fisetin",
          "type": "DRUG"
        },
        {
          "name": "GetHealthy-OA mind-body program",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Placebo oral capsule",
          "type": "DRUG"
        },
        {
          "name": "Health education booklet",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Cale Andrew Jacobs, PhD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2023-04",
      "completion_date": "2023-04",
      "has_results": false,
      "last_update_posted_date": "2023-05-01",
      "last_synced_at": "2026-10-16T05:02:34.931Z",
      "location_count": 2,
      "location_summary": "Lexington, Kentucky",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05482672"
    },
    {
      "nct_id": "NCT00722852",
      "title": "Study of Safety and Efficacy of Diractin® for the Treatment of Osteoarthritis (OA) of the Knee",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Osteoarthritis of the Knee"
      ],
      "interventions": [
        {
          "name": "ketoprofen in Diractin®",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "IDEA AG",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "46 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "46 Years and older"
      },
      "enrollment_count": 555,
      "start_date": "2008-06",
      "completion_date": "2009-04",
      "has_results": false,
      "last_update_posted_date": "2009-10-05",
      "last_synced_at": "2026-10-16T05:02:34.931Z",
      "location_count": 37,
      "location_summary": "Phoenix, Arizona • Tempe, Arizona • Tucson, Arizona + 32 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Anaheim",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00722852"
    }
  ]
}