{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Knee+Osteoarthritis&page=4",
    "query": {
      "intervention": "Knee Osteoarthritis",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 865,
    "total_pages": 87,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Knee+Osteoarthritis&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Knee+Osteoarthritis&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-12T06:38:32.205Z",
  "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": "NCT01102660",
      "title": "Clinical Trial to Examine the Pain Relief of PH-797804 Alone Or With Naproxen in Subjects With Osteoarthritis of the Knee",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "PH-797804",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Naproxen",
          "type": "DRUG"
        },
        {
          "name": "Naproxen + PH-797804",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "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": 172,
      "start_date": "2010-05",
      "completion_date": "2011-03",
      "has_results": false,
      "last_update_posted_date": "2014-08-22",
      "last_synced_at": "2026-10-12T06:38:32.205Z",
      "location_count": 26,
      "location_summary": "Paramount, California • Spring Valley, California • Valley Village, California + 20 more",
      "locations": [
        {
          "city": "Paramount",
          "state": "California"
        },
        {
          "city": "Spring Valley",
          "state": "California"
        },
        {
          "city": "Valley Village",
          "state": "California"
        },
        {
          "city": "Daytona Beach",
          "state": "Florida"
        },
        {
          "city": "Ormond Beach",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01102660"
    },
    {
      "nct_id": "NCT04124042",
      "title": "Efficacy and Safety of XT-150 in Osteoarthritis of the Knee",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Osteoarthritis, Knee"
      ],
      "interventions": [
        {
          "name": "XT-150",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Xalud Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "45 Years to 85 Years"
      },
      "enrollment_count": 289,
      "start_date": "2020-02-14",
      "completion_date": "2022-04-26",
      "has_results": true,
      "last_update_posted_date": "2025-03-27",
      "last_synced_at": "2026-10-12T06:38:32.205Z",
      "location_count": 4,
      "location_summary": "La Mesa, California • Napa, California • Santa Monica, California + 1 more",
      "locations": [
        {
          "city": "La Mesa",
          "state": "California"
        },
        {
          "city": "Napa",
          "state": "California"
        },
        {
          "city": "Santa Monica",
          "state": "California"
        },
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04124042"
    },
    {
      "nct_id": "NCT02036866",
      "title": "Corticospinal Excitability and Rehab in Knee Osteoarthritis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Knee Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Transcutaneous Electrical Nerve Stimulation",
          "type": "OTHER"
        },
        {
          "name": "Physical Therapy Exercises",
          "type": "OTHER"
        },
        {
          "name": "No Intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Creighton University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "19 Years to 65 Years"
      },
      "enrollment_count": 61,
      "start_date": "2013-11",
      "completion_date": "2015-06",
      "has_results": false,
      "last_update_posted_date": "2015-12-14",
      "last_synced_at": "2026-10-12T06:38:32.205Z",
      "location_count": 1,
      "location_summary": "Omaha, Nebraska",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02036866"
    },
    {
      "nct_id": "NCT03271229",
      "title": "Conventional Platelet-Rich Plasma Versus Concentrated Bone Marrow Stem Cell Injections for Osteoarthritis of the Knee",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Osteo Arthritis Knee"
      ],
      "interventions": [
        {
          "name": "Concentrated Bone Marrow Aspirate (BMAC)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Platelet-Rich Plasma (PRP)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2019-09",
      "completion_date": "2021-01",
      "has_results": false,
      "last_update_posted_date": "2019-12-24",
      "last_synced_at": "2026-10-12T06:38:32.205Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03271229"
    },
    {
      "nct_id": "NCT01705366",
      "title": "Clinical Outcomes of Knee Replacement",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Knee Arthroplasty"
      ],
      "interventions": [
        {
          "name": "Non-MAKO® Robot Assisted Total Knee Arthroplasty",
          "type": "PROCEDURE"
        },
        {
          "name": "MAKO® Robot Assisted Medial Knee Arthroplasty",
          "type": "PROCEDURE"
        },
        {
          "name": "MAKO® Robot Assisted Medial and PF Knee Arthroplasty",
          "type": "PROCEDURE"
        },
        {
          "name": "RESTORIS Multicompartmental Knee System",
          "type": "DEVICE"
        },
        {
          "name": "Depuy Knee Replacement System",
          "type": "DEVICE"
        },
        {
          "name": "Stryker® Knee Replacement System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DEVICE"
      ],
      "sponsor": "Northwest Surgical Specialists, Vancouver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 316,
      "start_date": "2012-10",
      "completion_date": "2018-09-19",
      "has_results": false,
      "last_update_posted_date": "2018-09-26",
      "last_synced_at": "2026-10-12T06:38:32.205Z",
      "location_count": 1,
      "location_summary": "Vancouver, Washington",
      "locations": [
        {
          "city": "Vancouver",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01705366"
    },
    {
      "nct_id": "NCT02230956",
      "title": "BOTOX® Efficacy and Safety in the Treatment of Knee Osteoarthritis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "onabotulinumtoxinA",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Normal Saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Allergan",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "40 Years to 75 Years"
      },
      "enrollment_count": 176,
      "start_date": "2014-10",
      "completion_date": "2016-03",
      "has_results": true,
      "last_update_posted_date": "2017-05-31",
      "last_synced_at": "2026-10-12T06:38:32.205Z",
      "location_count": 1,
      "location_summary": "Artesia, California",
      "locations": [
        {
          "city": "Artesia",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02230956"
    },
    {
      "nct_id": "NCT01444365",
      "title": "A Study of ABT-652 in Combination With a Nonsteroidal Anti-Inflammatory Drug (NSAID) in Adults With Osteoarthritis Pain of the Knee",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Osteoarthritis of the Knee"
      ],
      "interventions": [
        {
          "name": "ABT-652 NSAID",
          "type": "DRUG"
        },
        {
          "name": "Placebo NSAID",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AbbVie (prior sponsor, Abbott)",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "40 Years to 75 Years"
      },
      "enrollment_count": 202,
      "start_date": "2011-10",
      "completion_date": "2012-04",
      "has_results": false,
      "last_update_posted_date": "2013-05-15",
      "last_synced_at": "2026-10-12T06:38:32.205Z",
      "location_count": 31,
      "location_summary": "Phoenix, Arizona • Tucson, Arizona • Anaheim, California + 27 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Fresno",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01444365"
    },
    {
      "nct_id": "NCT05816395",
      "title": "Safety and Efficacy of RHH646 for Knee Osteoarthritis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Osteoarthritis, Knee"
      ],
      "interventions": [
        {
          "name": "RHH646",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "35 Years to 75 Years"
      },
      "enrollment_count": 82,
      "start_date": "2023-05-31",
      "completion_date": "2025-02-24",
      "has_results": true,
      "last_update_posted_date": "2026-03-31",
      "last_synced_at": "2026-10-12T06:38:32.205Z",
      "location_count": 4,
      "location_summary": "Lincoln, California • Winter Park, Florida • Houston, Texas + 1 more",
      "locations": [
        {
          "city": "Lincoln",
          "state": "California"
        },
        {
          "city": "Winter Park",
          "state": "Florida"
        },
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Sugar Land",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05816395"
    },
    {
      "nct_id": "NCT00126737",
      "title": "Home-Based Exercise and Weight Control Program for Pain Control in Overweight Elderly With Osteoarthritis of the Knee",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Diseases",
        "Obesity",
        "Osteoarthritis",
        "Pain"
      ],
      "interventions": [
        {
          "name": "Weight Control Nutritional Program",
          "type": "OTHER"
        },
        {
          "name": "Home-based exercise program",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "US Department of Veterans Affairs",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 110,
      "start_date": "2002-10",
      "completion_date": "2008-12",
      "has_results": true,
      "last_update_posted_date": "2015-01-01",
      "last_synced_at": "2026-10-12T06:38:32.205Z",
      "location_count": 1,
      "location_summary": "Hines, Illinois",
      "locations": [
        {
          "city": "Hines",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00126737"
    },
    {
      "nct_id": "NCT03281837",
      "title": "2 Weekly Intra-articular Hyaluronan Knee Injections, Given 1 wk. Apart, of HYMOVIS Combined With Physical Exercise Program (PEP) Compared to PEP Alone, in Relatively Young, Active Population of Subjects With Patellofemoral Osteoarthritis (PFOA) and/or Tibiofemoral Osteoarthritis (TFOA)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis, Knee",
        "Knee Osteoarthritis",
        "Patellofemoral Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "HYMOVIS plus Physical Exercise Program (PEP)",
          "type": "DEVICE"
        },
        {
          "name": "Physical Exercise Program (PEP) alone",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Fidia Pharma USA Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "21 Years to 60 Years"
      },
      "enrollment_count": 148,
      "start_date": "2017-10-01",
      "completion_date": "2020-07-16",
      "has_results": false,
      "last_update_posted_date": "2020-07-21",
      "last_synced_at": "2026-10-12T06:38:32.205Z",
      "location_count": 10,
      "location_summary": "Tucson, Arizona • Encinitas, California • Los Angeles, California + 5 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Encinitas",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03281837"
    }
  ]
}