{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Knee+Osteoarthritis&page=21",
    "query": {
      "intervention": "Knee Osteoarthritis",
      "page": 21
    },
    "page_size": 10
  },
  "pagination": {
    "page": 21,
    "page_size": 10,
    "total_count": 865,
    "total_pages": 87,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Knee+Osteoarthritis&page=22&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Knee+Osteoarthritis&page=20&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-16T11:02:28.150Z",
  "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": "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      "overall_status": "WITHDRAWN",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": "2026-10-16T11:02:28.150Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02341079"
    },
    {
      "nct_id": "NCT00414427",
      "title": "Using Ultrasonography to Predict Clinical Response to Intraarticular Corticosteroids in Knee Osteoarthritis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Knee Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Intraarticular steroids",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "40 Years to 80 Years"
      },
      "enrollment_count": 120,
      "start_date": "2005-12",
      "completion_date": "2009-06",
      "has_results": false,
      "last_update_posted_date": "2010-07-08",
      "last_synced_at": "2026-10-16T11:02:28.150Z",
      "location_count": 2,
      "location_summary": "La Jolla, California • San Diego, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00414427"
    },
    {
      "nct_id": "NCT03949673",
      "title": "Study to Evaluate Arthroplasty Specimens for Osteoarthritis of the Knee and Hip",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Osteoarthritis, Knee",
        "Osteoarthritis, Hip"
      ],
      "interventions": [
        {
          "name": "Fasinumab",
          "type": "DRUG"
        },
        {
          "name": "Naproxen",
          "type": "DRUG"
        },
        {
          "name": "Diclofenac",
          "type": "DRUG"
        },
        {
          "name": "Celecoxib",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Regeneron Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 23,
      "start_date": "2019-04-08",
      "completion_date": "2020-08-25",
      "has_results": true,
      "last_update_posted_date": "2023-10-17",
      "last_synced_at": "2026-10-16T11:02:28.150Z",
      "location_count": 6,
      "location_summary": "Phoenix, Arizona • Littleton, Colorado • Jacksonville, Florida + 3 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Littleton",
          "state": "Colorado"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Brooklyn",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03949673"
    },
    {
      "nct_id": "NCT01447303",
      "title": "Functional and Quality of Life Outcomes Following Viscosupplementation for Knee Osteoarthritis",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Knee Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Subject outcomes following viscosupplementation of the knee",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "21 Years to 85 Years"
      },
      "enrollment_count": 43,
      "start_date": "2009-08",
      "completion_date": "2013-11",
      "has_results": false,
      "last_update_posted_date": "2014-01-27",
      "last_synced_at": "2026-10-16T11:02:28.150Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01447303"
    },
    {
      "nct_id": "NCT04630262",
      "title": "ATTUNE Cementless FB Tibial Base Clinical Study",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis of the Knee"
      ],
      "interventions": [
        {
          "name": "ATTUNE Cementless CR Fixed Bearing",
          "type": "DEVICE"
        },
        {
          "name": "ATTUNE Cementless PS Fixed Bearing",
          "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": 80,
      "start_date": "2022-05-09",
      "completion_date": "2023-03-31",
      "has_results": true,
      "last_update_posted_date": "2025-03-04",
      "last_synced_at": "2026-10-16T11:02:28.150Z",
      "location_count": 15,
      "location_summary": "Irvine, California • Bradenton, Florida • DeLand, Florida + 10 more",
      "locations": [
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "Bradenton",
          "state": "Florida"
        },
        {
          "city": "DeLand",
          "state": "Florida"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04630262"
    },
    {
      "nct_id": "NCT05765266",
      "title": "ACP Max™ PRP System for Knee Osteoarthritis: A Feasibility Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Knee Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "ACP Max™",
          "type": "DEVICE"
        },
        {
          "name": "Depo-Medrol®",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Arthrex, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 45,
      "start_date": "2024-05-13",
      "completion_date": "2026-02-09",
      "has_results": false,
      "last_update_posted_date": "2026-02-18",
      "last_synced_at": "2026-10-16T11:02:28.150Z",
      "location_count": 3,
      "location_summary": "Winston-Salem, North Carolina • Knoxville, Tennessee • Danville, Virginia",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        },
        {
          "city": "Knoxville",
          "state": "Tennessee"
        },
        {
          "city": "Danville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05765266"
    },
    {
      "nct_id": "NCT00324857",
      "title": "Educational Intervention for Knee Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Decision Aid Video",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Motivational Interviewing",
          "type": "BEHAVIORAL"
        },
        {
          "name": "MI plus Decision aid",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Attention control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 663,
      "start_date": "2006-09",
      "completion_date": "2011-09",
      "has_results": true,
      "last_update_posted_date": "2018-10-10",
      "last_synced_at": "2026-10-16T11:02:28.150Z",
      "location_count": 3,
      "location_summary": "Cleveland, Ohio • Philadelphia, Pennsylvania • Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00324857"
    },
    {
      "nct_id": "NCT02888119",
      "title": "Imaging Biomarkers of Knee Osteoarthritis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "PRISMA 3T MRI scanner (Siemens Medical Solutions)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "40 Years to 75 Years"
      },
      "enrollment_count": 50,
      "start_date": "2016-07",
      "completion_date": "2021-12-13",
      "has_results": true,
      "last_update_posted_date": "2022-12-27",
      "last_synced_at": "2026-10-16T11:02:28.150Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02888119"
    },
    {
      "nct_id": "NCT05412381",
      "title": "PRP in ACLR to Prevent PTOA",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Anterior Cruciate Ligament Injuries",
        "Post-traumatic Osteoarthritis",
        "PRP"
      ],
      "interventions": [
        {
          "name": "platelet rich plasma (PRP) injection",
          "type": "PROCEDURE"
        },
        {
          "name": "placebo saline injection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Hospital for Special Surgery, New York",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "14 Years to 50 Years"
      },
      "enrollment_count": 56,
      "start_date": "2022-06-27",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-02-13",
      "last_synced_at": "2026-10-16T11:02:28.150Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05412381"
    },
    {
      "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": "2026-10-16T11:02:28.150Z",
      "location_count": 1,
      "location_summary": "Frederick, Maryland",
      "locations": [
        {
          "city": "Frederick",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01511939"
    }
  ]
}