{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Optetrak+Total+Knee+System",
    "query": {
      "intervention": "Optetrak Total Knee System"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 4,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-04T12:37:18.920Z",
  "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": "NCT00808613",
      "title": "Optetrak Posterior Stabilized Versus Optetrak Hi-Flex",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Arthropathy of Knee",
        "Arthritis and/or Post-traumatic Degenerative Problems"
      ],
      "interventions": [
        {
          "name": "Optetrak PS",
          "type": "DEVICE"
        },
        {
          "name": "Optetrak Hi-Flex",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Exactech",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "50 Years to 80 Years"
      },
      "enrollment_count": 0,
      "start_date": "2008-12",
      "completion_date": "2012-01",
      "has_results": false,
      "last_update_posted_date": "2022-09-01",
      "last_synced_at": "2026-09-04T12:37:18.920Z",
      "location_count": 1,
      "location_summary": "Newport News, Virginia",
      "locations": [
        {
          "city": "Newport News",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00808613"
    },
    {
      "nct_id": "NCT01075230",
      "title": "Standard Total Knee Arthroplasty Using Platelet Rich Plasma (PRP)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Total knee arthroplasty",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Exactech",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 50,
      "start_date": "2010-02",
      "completion_date": "2013-01",
      "has_results": false,
      "last_update_posted_date": "2022-09-01",
      "last_synced_at": "2026-09-04T12:37:18.920Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01075230"
    },
    {
      "nct_id": "NCT05788757",
      "title": "Optetrak Knee System Post Market Clinical Follow-Up",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Knee Arthroplasty, Total"
      ],
      "interventions": [
        {
          "name": "Optetrak Total Knee System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Exactech",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4588,
      "start_date": "2011-06-01",
      "completion_date": "2034-06-01",
      "has_results": false,
      "last_update_posted_date": "2024-06-18",
      "last_synced_at": "2026-09-04T12:37:18.920Z",
      "location_count": 3,
      "location_summary": "Worcester, Massachusetts • Las Vegas, Nevada • Charleston, South Carolina",
      "locations": [
        {
          "city": "Worcester",
          "state": "Massachusetts"
        },
        {
          "city": "Las Vegas",
          "state": "Nevada"
        },
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05788757"
    },
    {
      "nct_id": "NCT05653102",
      "title": "A Post-Market Domestic (US) and International Data Collection to Assess the Truliant Knee System",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Knee Arthroplasty, Total"
      ],
      "interventions": [
        {
          "name": "Truliant Total Knee System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Exactech",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1000,
      "start_date": "2019-01-23",
      "completion_date": "2035-07-31",
      "has_results": false,
      "last_update_posted_date": "2024-06-18",
      "last_synced_at": "2026-09-04T12:37:18.920Z",
      "location_count": 5,
      "location_summary": "Aurora, Colorado • DeLand, Florida • Las Vegas, Nevada + 2 more",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "DeLand",
          "state": "Florida"
        },
        {
          "city": "Las Vegas",
          "state": "Nevada"
        },
        {
          "city": "Akron",
          "state": "Ohio"
        },
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05653102"
    }
  ]
}