{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Knee+Osteoarthritis+%28Knee+OA%29&page=4",
    "query": {
      "condition": "Knee Osteoarthritis (Knee OA)",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 195,
    "total_pages": 20,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Knee+Osteoarthritis+%28Knee+OA%29&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Knee+Osteoarthritis+%28Knee+OA%29&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-13T21:38:29.283Z",
  "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": "NCT01372475",
      "title": "Hymovis™ Versus Placebo in Knee Osteoarthritis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Knee Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Hymovis Intra-articular Injection",
          "type": "DEVICE"
        },
        {
          "name": "Phosphate Buffered Saline Injection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "PROCEDURE"
      ],
      "sponsor": "Fidia Farmaceutici s.p.a.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 800,
      "start_date": "2011-03",
      "completion_date": "2013-02",
      "has_results": false,
      "last_update_posted_date": "2014-04-08",
      "last_synced_at": "2026-10-13T21:38:29.283Z",
      "location_count": 32,
      "location_summary": "Birmingham, Alabama • Tucson, Arizona • Encinitas, California + 28 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Encinitas",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Norwalk",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01372475"
    },
    {
      "nct_id": "NCT01040754",
      "title": "fMRI Study of Expectancy on Acupuncture Treatment Outcomes in Knee OA",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis, Knee"
      ],
      "interventions": [
        {
          "name": "Acupuncture",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "40 Years to 70 Years"
      },
      "enrollment_count": 144,
      "start_date": "2009-06",
      "completion_date": "2016-02",
      "has_results": false,
      "last_update_posted_date": "2016-03-14",
      "last_synced_at": "2026-10-13T21:38:29.283Z",
      "location_count": 1,
      "location_summary": "Charlestown, Massachusetts",
      "locations": [
        {
          "city": "Charlestown",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01040754"
    },
    {
      "nct_id": "NCT05079035",
      "title": "Lyophilized and Micronized Particulate Human Amniotic and Umbilical Cord (TTAX03) for KL Grade 3-4 Knee OA",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Knee Osteoarthritis",
        "Knee Pain Chronic",
        "Knee Arthritis"
      ],
      "interventions": [
        {
          "name": "TTAX03",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Saline",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "BioTissue Holdings, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "35 Years to 85 Years"
      },
      "enrollment_count": 90,
      "start_date": "2021-12-06",
      "completion_date": "2025-03-07",
      "has_results": false,
      "last_update_posted_date": "2025-09-19",
      "last_synced_at": "2026-10-13T21:38:29.283Z",
      "location_count": 10,
      "location_summary": "Birmingham, Alabama • Tucson, Arizona • La Mesa, California + 6 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "La Mesa",
          "state": "California"
        },
        {
          "city": "Sarasota",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05079035"
    },
    {
      "nct_id": "NCT00000406",
      "title": "Effects of Strength Training on Knee Osteoarthritis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Osteoarthritis, Knee"
      ],
      "interventions": [
        {
          "name": "Progressive resistance exercise",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 280,
      "start_date": "1977-09",
      "completion_date": "2006-11",
      "has_results": false,
      "last_update_posted_date": "2013-04-30",
      "last_synced_at": "2026-10-13T21:38:29.283Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00000406"
    },
    {
      "nct_id": "NCT03028870",
      "title": "A Study to Evaluate the Analgesic Efficacy and Safety of V120083 in Subjects With Osteoarthritis (OA) of the Knee",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Osteo Arthritis Knee"
      ],
      "interventions": [
        {
          "name": "V120083",
          "type": "DRUG"
        },
        {
          "name": "Naproxen",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Purdue Pharma LP",
      "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": 291,
      "start_date": "2017-03-14",
      "completion_date": "2017-11-21",
      "has_results": true,
      "last_update_posted_date": "2019-02-12",
      "last_synced_at": "2026-10-13T21:38:29.283Z",
      "location_count": 30,
      "location_summary": "Birmingham, Alabama • Tuscumbia, Alabama • North Hollywood, California + 24 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Tuscumbia",
          "state": "Alabama"
        },
        {
          "city": "North Hollywood",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Marcos",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03028870"
    },
    {
      "nct_id": "NCT00755326",
      "title": "Dose Escalation Study Of Chinese Herbs In Osteoarthritis Of The Knee",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Osteoarthritis of the Knee"
      ],
      "interventions": [
        {
          "name": "HLXL",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Maryland, Baltimore",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 92,
      "start_date": "2007-04",
      "completion_date": "2010-07",
      "has_results": true,
      "last_update_posted_date": "2020-01-18",
      "last_synced_at": "2026-10-13T21:38:29.283Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00755326"
    },
    {
      "nct_id": "NCT05857605",
      "title": "The Impact of a Seated Compact Elliptical Trainer on Individuals With Knee OA",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis",
        "Knee Osteoarthritis",
        "Arthritis",
        "Joint Diseases",
        "Musculoskeletal Diseases",
        "Rheumatic Diseases"
      ],
      "interventions": [
        {
          "name": "Exercise for Knee Osteoarthritis",
          "type": "OTHER"
        },
        {
          "name": "Compact seated elliptical exercise machine- Cubii JR-1",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DEVICE"
      ],
      "sponsor": "Shirley Ryan AbilityLab",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "50 Years to 75 Years"
      },
      "enrollment_count": 28,
      "start_date": "2023-03-14",
      "completion_date": "2024-03-31",
      "has_results": false,
      "last_update_posted_date": "2023-05-12",
      "last_synced_at": "2026-10-13T21:38:29.283Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05857605"
    },
    {
      "nct_id": "NCT02767492",
      "title": "Steroid Injection vs. BioDRestore for Patients With Knee OA",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Knee Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "BioD Restore",
          "type": "DEVICE"
        },
        {
          "name": "Kenalog",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "The Hawkins Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 90,
      "start_date": "2017-01",
      "completion_date": "2020-01",
      "has_results": true,
      "last_update_posted_date": "2021-11-23",
      "last_synced_at": "2026-10-13T21:38:29.283Z",
      "location_count": 1,
      "location_summary": "Greenville, South Carolina",
      "locations": [
        {
          "city": "Greenville",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02767492"
    },
    {
      "nct_id": "NCT05742763",
      "title": "Platelet-Rich Plasma and the Effects of NSAIDs on Pain and Functional Scores in Knee Osteoarthritis",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Osteoarthritis of the Knee",
        "Degenerative Osteoarthritis",
        "Knee Pain Chronic"
      ],
      "interventions": [
        {
          "name": "Ibuprofen and PRP",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Acetaminophen and PRP",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Placebo and PRP",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "QC Kinetix LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2023-11-01",
      "completion_date": "2024-10-07",
      "has_results": false,
      "last_update_posted_date": "2024-10-09",
      "last_synced_at": "2026-10-13T21:38:29.283Z",
      "location_count": 1,
      "location_summary": "Charlotte, North Carolina",
      "locations": [
        {
          "city": "Charlotte",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05742763"
    },
    {
      "nct_id": "NCT00399490",
      "title": "Open-label Extension Study Of RN624",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Osteoarthritis",
        "OA Knee Pain",
        "Arthritis"
      ],
      "interventions": [
        {
          "name": "RN624 (PF-04383119)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "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": 287,
      "start_date": "2006-09-15",
      "completion_date": "2008-02-11",
      "has_results": true,
      "last_update_posted_date": "2021-02-02",
      "last_synced_at": "2026-10-13T21:38:29.283Z",
      "location_count": 36,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Anaheim, California + 24 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Anaheim",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00399490"
    }
  ]
}