{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Osteo+Arthritis+of+the+Knee&page=2",
    "query": {
      "condition": "Osteo Arthritis of the Knee",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Osteo+Arthritis+of+the+Knee&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-06-10T06:20:54.366Z",
  "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": "NCT04886960",
      "title": "pAF for the Treatment of Osteoarthritis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Osteo Arthritis Knee"
      ],
      "interventions": [
        {
          "name": "Amniotic Fluid Injection",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Standard of Care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 60,
      "start_date": "2021-07-08",
      "completion_date": "2025-01-31",
      "has_results": true,
      "last_update_posted_date": "2026-03-27",
      "last_synced_at": "2026-06-10T06:20:54.366Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04886960"
    },
    {
      "nct_id": "NCT04016259",
      "title": "Self Cranial Electrical Stimulation (CES) for Pain in Older Adults With Knee Osteoarthritis (Self CES for Knee Pain)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteo Arthritis Knee"
      ],
      "interventions": [
        {
          "name": "Cranial Electrical Stimulation (CES)",
          "type": "DEVICE"
        },
        {
          "name": "Sham-CES",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "50 Years to 85 Years"
      },
      "enrollment_count": 30,
      "start_date": "2019-08-01",
      "completion_date": "2019-11-21",
      "has_results": true,
      "last_update_posted_date": "2020-11-16",
      "last_synced_at": "2026-06-10T06:20:54.366Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04016259"
    },
    {
      "nct_id": "NCT04391842",
      "title": "Sustained Acoustic Medicine (SAM) Combined With a Diclofenac Ultrasound Coupling Patch for Knee Osteoarthritis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Osteo Arthritis Knee",
        "Arthritis"
      ],
      "interventions": [
        {
          "name": "Sustained Acoustic Device with 1% Diclofenac patch",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "ZetrOZ, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "45 Years to 85 Years"
      },
      "enrollment_count": 34,
      "start_date": "2019-09-01",
      "completion_date": "2019-12-31",
      "has_results": true,
      "last_update_posted_date": "2023-06-27",
      "last_synced_at": "2026-06-10T06:20:54.366Z",
      "location_count": 1,
      "location_summary": "Dryden, New York",
      "locations": [
        {
          "city": "Dryden",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04391842"
    },
    {
      "nct_id": "NCT03399630",
      "title": "Injection of Autologous Adipose Tissue for Treatment of Osteoarthritis in the Knee",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteo Arthritis Knee"
      ],
      "interventions": [
        {
          "name": "Injection of Autologous Adipose Tissue",
          "type": "OTHER"
        },
        {
          "name": "Injection of lactated ringers",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Aestique Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "40 Years to 75 Years"
      },
      "enrollment_count": 8,
      "start_date": "2016-08-09",
      "completion_date": "2018-05-31",
      "has_results": false,
      "last_update_posted_date": "2018-06-26",
      "last_synced_at": "2026-06-10T06:20:54.366Z",
      "location_count": 2,
      "location_summary": "Greensburg, Pennsylvania",
      "locations": [
        {
          "city": "Greensburg",
          "state": "Pennsylvania"
        },
        {
          "city": "Greensburg",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03399630"
    },
    {
      "nct_id": "NCT06734845",
      "title": "Energy Status and Protein Intake As Prognostic Indicators of Rehabilitative Outcomes",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Orthopedic",
        "Osteo Arthritis Knee",
        "Hip Osteoarthritis",
        "Protein-Energy Malnutrition",
        "Energy Malnutrition Protein"
      ],
      "interventions": [
        {
          "name": "Total Knee Arthroplasty",
          "type": "PROCEDURE"
        },
        {
          "name": "Total Joint Arthroplasty",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Connecticut",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "50 Years to 70 Years"
      },
      "enrollment_count": 38,
      "start_date": "2023-01-10",
      "completion_date": "2023-10-01",
      "has_results": false,
      "last_update_posted_date": "2024-12-16",
      "last_synced_at": "2026-06-10T06:20:54.366Z",
      "location_count": 1,
      "location_summary": "Hartford, Connecticut",
      "locations": [
        {
          "city": "Hartford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06734845"
    },
    {
      "nct_id": "NCT03385759",
      "title": "Trial of Unicompartmental Versus Total Knee Arthroplasty",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteo Arthritis Knee"
      ],
      "interventions": [
        {
          "name": "Unicompartmental knee arthroplasty",
          "type": "PROCEDURE"
        },
        {
          "name": "Total knee arthroplasty",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Anderson Orthopaedic Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 112,
      "start_date": "2018-05-22",
      "completion_date": "2025-01",
      "has_results": false,
      "last_update_posted_date": "2022-11-14",
      "last_synced_at": "2026-06-10T06:20:54.366Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois • Alexandria, Virginia",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Alexandria",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03385759"
    },
    {
      "nct_id": "NCT05097729",
      "title": "rTMS for Relieving Chronic OA Pain",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Pain",
        "Osteo Arthritis Knee"
      ],
      "interventions": [
        {
          "name": "Transcranial Magnetic Stimulation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Northwestern University",
      "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": 0,
      "start_date": "2021-11-15",
      "completion_date": "2023-01-01",
      "has_results": false,
      "last_update_posted_date": "2023-02-03",
      "last_synced_at": "2026-06-10T06:20:54.366Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05097729"
    },
    {
      "nct_id": "NCT04750252",
      "title": "Safety and Tolerability of StroMel™ in Subjects with Moderate to Severe Osteoarthritis of the Knee Joint",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Osteo Arthritis Knee"
      ],
      "interventions": [
        {
          "name": "StroMel",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Akan Biosciences, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "25 Years to 65 Years"
      },
      "enrollment_count": 20,
      "start_date": "2025-10-01",
      "completion_date": "2027-08-31",
      "has_results": false,
      "last_update_posted_date": "2025-01-29",
      "last_synced_at": "2026-06-10T06:20:54.366Z",
      "location_count": 1,
      "location_summary": "Gaithersburg, Maryland",
      "locations": [
        {
          "city": "Gaithersburg",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04750252"
    },
    {
      "nct_id": "NCT05882812",
      "title": "Sustained Acoustic Medicine (SAM) for Symptomatic Treatment of Knee Pain Related to Osteoarthritis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Osteo Arthritis Knee",
        "Arthritis"
      ],
      "interventions": [
        {
          "name": "Sustained Acoustic Device with 2.5% Diclofenac Patch",
          "type": "DEVICE"
        },
        {
          "name": "Sustained Acoustic Device with 0% Diclofenac Patch",
          "type": "DEVICE"
        },
        {
          "name": "2.5% Diclofenac Patches",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "ZetrOZ, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "35 Years to 80 Years"
      },
      "enrollment_count": 200,
      "start_date": "2023-06-03",
      "completion_date": "2024-02-22",
      "has_results": true,
      "last_update_posted_date": "2025-05-15",
      "last_synced_at": "2026-06-10T06:20:54.366Z",
      "location_count": 3,
      "location_summary": "Stamford, Connecticut • Trumbull, Connecticut • Dryden, New York",
      "locations": [
        {
          "city": "Stamford",
          "state": "Connecticut"
        },
        {
          "city": "Trumbull",
          "state": "Connecticut"
        },
        {
          "city": "Dryden",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05882812"
    },
    {
      "nct_id": "NCT04099394",
      "title": "Pain & Aging: Combined Interventions for Fitness in the Community Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteo Arthritis Knee"
      ],
      "interventions": [
        {
          "name": "Behavioral Health",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Health Education",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 280,
      "start_date": "2019-10-30",
      "completion_date": "2025-01-31",
      "has_results": false,
      "last_update_posted_date": "2025-01-28",
      "last_synced_at": "2026-06-10T06:20:54.366Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04099394"
    }
  ]
}