{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Knee+Osteoarthritis",
    "query": {
      "condition": "Knee Osteoarthritis"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 1193,
    "total_pages": 120,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Knee+Osteoarthritis&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-07T10:28:39.515Z",
  "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": "NCT05644496",
      "title": "ZYNRELEF for Pain Management in Total Knee Arthroplasty",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Post Operative Pain",
        "Osteoarthritis, Knee"
      ],
      "interventions": [
        {
          "name": "Bupivacaine-Meloxicam 400 Mg-12 Mg/14 mL Injectable Solution, Extended Release",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Baptist Health South Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "35 Years to 70 Years"
      },
      "enrollment_count": 29,
      "start_date": "2023-03-09",
      "completion_date": "2025-12-19",
      "has_results": false,
      "last_update_posted_date": "2026-05-28",
      "last_synced_at": "2026-06-07T10:28:39.515Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05644496"
    },
    {
      "nct_id": "NCT00449696",
      "title": "Gel-200 Versus Placebo in Osteoarthritis of the Knee",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Osteoarthritis of the Knee"
      ],
      "interventions": [
        {
          "name": "Gel-200",
          "type": "DEVICE"
        },
        {
          "name": "Placebo",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Seikagaku Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "40 Years to 80 Years"
      },
      "enrollment_count": 379,
      "start_date": "2006-09",
      "completion_date": "2007-12",
      "has_results": true,
      "last_update_posted_date": "2011-10-07",
      "last_synced_at": "2026-06-07T10:28:39.515Z",
      "location_count": 1,
      "location_summary": "Plantation, Florida",
      "locations": [
        {
          "city": "Plantation",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00449696"
    },
    {
      "nct_id": "NCT03621631",
      "title": "Effect of Tai Chi Exercise on Mechanical Joint Loading in Knee Osteoarthritis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Knee Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Optimized Tai Chi intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Traditional Tai Chi intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Edward Via Virginia College of Osteopathic Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "40 Years to 80 Years"
      },
      "enrollment_count": 15,
      "start_date": "2018-08-27",
      "completion_date": "2024-07-31",
      "has_results": false,
      "last_update_posted_date": "2025-09-15",
      "last_synced_at": "2026-06-07T10:28:39.515Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03621631"
    },
    {
      "nct_id": "NCT05003323",
      "title": "Brain Biomarker of Endogenous Analgesia in Patients With Chronic Knee Pain",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Pain",
        "Chronic Knee Pain",
        "Knee Osteoarthritis",
        "Analgesia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "45 Years to 80 Years"
      },
      "enrollment_count": 110,
      "start_date": "2021-11-18",
      "completion_date": "2023-10-20",
      "has_results": false,
      "last_update_posted_date": "2025-01-13",
      "last_synced_at": "2026-06-07T10:28:39.515Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05003323"
    },
    {
      "nct_id": "NCT00433290",
      "title": "Duloxetine vs. Placebo in the Treatment of Osteoarthritis Knee Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Osteoarthritis Knee Pain"
      ],
      "interventions": [
        {
          "name": "Duloxetine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eli Lilly and Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 256,
      "start_date": "2007-02",
      "completion_date": "2008-05",
      "has_results": true,
      "last_update_posted_date": "2009-09-02",
      "last_synced_at": "2026-06-07T10:28:39.515Z",
      "location_count": 3,
      "location_summary": "Fort Myers, Florida • Edison, New Jersey • Lake Jackson, Texas",
      "locations": [
        {
          "city": "Fort Myers",
          "state": "Florida"
        },
        {
          "city": "Edison",
          "state": "New Jersey"
        },
        {
          "city": "Lake Jackson",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00433290"
    },
    {
      "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": "2026-06-07T10:28:39.515Z",
      "location_count": 1,
      "location_summary": "Omaha, Nebraska",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02036866"
    },
    {
      "nct_id": "NCT02251522",
      "title": "A Single Time-Point Study to Evaluate the ConforMIS iTotal® (CR) Knee Versus Off-the-Shelf",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "ConforMIS Total 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": 873,
      "start_date": "2014-10",
      "completion_date": "2016-12",
      "has_results": false,
      "last_update_posted_date": "2023-10-25",
      "last_synced_at": "2026-06-07T10:28:39.515Z",
      "location_count": 12,
      "location_summary": "Parker, Colorado • Fort Myers, Florida • Miami, Florida + 9 more",
      "locations": [
        {
          "city": "Parker",
          "state": "Colorado"
        },
        {
          "city": "Fort Myers",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Port Saint Lucie",
          "state": "Florida"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02251522"
    },
    {
      "nct_id": "NCT03573141",
      "title": "Influence of Manual Physical Therapy on Habitual Activity in Knee Osteoarthritis",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Knee Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Physical Therapy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Brooke Army Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": null,
        "summary": "Not listed"
      },
      "enrollment_count": 18,
      "start_date": "2018-01-05",
      "completion_date": "2018-07-31",
      "has_results": false,
      "last_update_posted_date": "2018-06-29",
      "last_synced_at": "2026-06-07T10:28:39.515Z",
      "location_count": 1,
      "location_summary": "Fort Sam Houston, Texas",
      "locations": [
        {
          "city": "Fort Sam Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03573141"
    },
    {
      "nct_id": "NCT01977872",
      "title": "JointADventure: A Worksite Activity-Diet Intervention for Chronic Knee Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Knee Pain",
        "Osteoarthritis, Knee"
      ],
      "interventions": [
        {
          "name": "A worksite activity-diet intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 38,
      "start_date": "2012-06",
      "completion_date": "2014-06",
      "has_results": false,
      "last_update_posted_date": "2014-12-30",
      "last_synced_at": "2026-06-07T10:28:39.515Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01977872"
    },
    {
      "nct_id": "NCT00487565",
      "title": "Clinical Investigation of the LCS® Complete Posterior Stabilized Mobile-bearing Total Knee System",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis",
        "Rheumatoid Arthritis",
        "Post-traumatic Arthritis",
        "Juvenile Arthritis"
      ],
      "interventions": [
        {
          "name": "Total knee arthroplasty",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "DePuy Orthopaedics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 210,
      "start_date": "2006-09",
      "completion_date": "2011-02",
      "has_results": true,
      "last_update_posted_date": "2013-08-14",
      "last_synced_at": "2026-06-07T10:28:39.515Z",
      "location_count": 3,
      "location_summary": "Denver, Colorado • Pittsburgh, Pennsylvania • Virginia Beach, Virginia",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Virginia Beach",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00487565"
    }
  ]
}