{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Vanguard+Total+Knee",
    "query": {
      "intervention": "Vanguard Total Knee"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 8,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-13T20:55:30.287Z",
  "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": "NCT03969654",
      "title": "ROSA Robot Used in Total Knee Replacement Post Market Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Knee Pain",
        "Chronic Osteoarthritis",
        "Avascular Necrosis of the Femoral Condyle",
        "Moderate Varus, Valgus or Flexion Deformities",
        "Rheumatoid Arthritis"
      ],
      "interventions": [
        {
          "name": "PERSONA Total Knee",
          "type": "DEVICE"
        },
        {
          "name": "Vanguard Total Knee",
          "type": "DEVICE"
        },
        {
          "name": "NexGen Total Knee",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Zimmer Biomet",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 181,
      "start_date": "2020-05-01",
      "completion_date": "2023-09-22",
      "has_results": true,
      "last_update_posted_date": "2024-05-03",
      "last_synced_at": "2026-09-13T20:55:30.287Z",
      "location_count": 5,
      "location_summary": "Vail, Colorado • Westminster, Colorado • Springfield, Illinois + 2 more",
      "locations": [
        {
          "city": "Vail",
          "state": "Colorado"
        },
        {
          "city": "Westminster",
          "state": "Colorado"
        },
        {
          "city": "Springfield",
          "state": "Illinois"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "North Chesterfield",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03969654"
    },
    {
      "nct_id": "NCT04275362",
      "title": "Gait Analysis of a Lateral-Pivot Design Total Knee Replacement",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Knee Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "DJO Empowr PS Knee System",
          "type": "DEVICE"
        },
        {
          "name": "Stryker Triathlon Total Knee System",
          "type": "DEVICE"
        },
        {
          "name": "Biomet Vanguard Complete Knee System",
          "type": "DEVICE"
        },
        {
          "name": "Control",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "More Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 102,
      "start_date": "2017-02-02",
      "completion_date": "2029-01-02",
      "has_results": false,
      "last_update_posted_date": "2022-05-06",
      "last_synced_at": "2026-09-13T20:55:30.287Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04275362"
    },
    {
      "nct_id": "NCT00588887",
      "title": "Total Knee Replacement With Duracon® and Vanguard™ Prostheses",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Degenerative Arthritis",
        "Osteoarthritis",
        "Rheumatoid Arthritis",
        "Knee Arthritis"
      ],
      "interventions": [
        {
          "name": "Duracon®",
          "type": "DEVICE"
        },
        {
          "name": "Vanguard™",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Biomet Orthopedics, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2005-06",
      "completion_date": "2008-06",
      "has_results": false,
      "last_update_posted_date": "2017-06-21",
      "last_synced_at": "2026-09-13T20:55:30.287Z",
      "location_count": 1,
      "location_summary": "Warsaw, Indiana",
      "locations": [
        {
          "city": "Warsaw",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00588887"
    },
    {
      "nct_id": "NCT02175576",
      "title": "Randomized Controlled Clinical Outcomes of the Vanguard XP Bicruciate Knee System",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis",
        "Rheumatoid Arthritis",
        "Traumatic Arthritis",
        "Lower Limb Deformity",
        "Post-traumatic Deformity",
        "Complications, Arthroplasty"
      ],
      "interventions": [
        {
          "name": "Vanguard XP Bicruciate Knee System",
          "type": "DEVICE"
        },
        {
          "name": "Vanguard CR Knee System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Zimmer Biomet",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2014-10",
      "completion_date": "2020-12",
      "has_results": true,
      "last_update_posted_date": "2023-02-21",
      "last_synced_at": "2026-09-13T20:55:30.287Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois • Salt Lake City, Utah",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02175576"
    },
    {
      "nct_id": "NCT00492219",
      "title": "Postoperative Function Following Partial and Total Knee Replacement",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis",
        "Post-traumatic Arthritis"
      ],
      "interventions": [
        {
          "name": "Vanguard M fixed-bearing or Oxford mobile-bearing prostheses",
          "type": "DEVICE"
        },
        {
          "name": "Total Knee Replacement",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "New Lexington Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 324,
      "start_date": "2006-10",
      "completion_date": "2007-12",
      "has_results": false,
      "last_update_posted_date": "2012-10-19",
      "last_synced_at": "2026-09-13T20:55:30.287Z",
      "location_count": 1,
      "location_summary": "Lexington, Kentucky",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00492219"
    },
    {
      "nct_id": "NCT01072019",
      "title": "A Randomized Prospective Trial of Total Knee Arthroplasty Options Comparing Standard Knee Cutting Guides and MRI Generated Patient Specific Custom Cutting Guides",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis of the Knee"
      ],
      "interventions": [
        {
          "name": "Instrument",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Washington University School of Medicine",
      "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": 25,
      "start_date": "2010-03",
      "completion_date": "2014-05",
      "has_results": false,
      "last_update_posted_date": "2018-06-27",
      "last_synced_at": "2026-09-13T20:55:30.287Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01072019"
    },
    {
      "nct_id": "NCT00698854",
      "title": "A Clinical Investigation of the Vanguard™ Complete Knee System",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Osteoarthritis",
        "Traumatic Arthritis",
        "Rheumatoid Arthritis",
        "Lower Limb Deformity",
        "Complications, Arthroplasty"
      ],
      "interventions": [
        {
          "name": "Vanguard™ Complete Knee System",
          "type": "DEVICE"
        },
        {
          "name": "Vanguard™ Patient-Specific Femur",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Zimmer Biomet",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 552,
      "start_date": "2004-03",
      "completion_date": "2024-03",
      "has_results": false,
      "last_update_posted_date": "2024-09-19",
      "last_synced_at": "2026-09-13T20:55:30.287Z",
      "location_count": 8,
      "location_summary": "Cedar Rapids, Iowa • Rockville, Maryland • Cape Girardeau, Missouri + 5 more",
      "locations": [
        {
          "city": "Cedar Rapids",
          "state": "Iowa"
        },
        {
          "city": "Rockville",
          "state": "Maryland"
        },
        {
          "city": "Cape Girardeau",
          "state": "Missouri"
        },
        {
          "city": "Rochester",
          "state": "New York"
        },
        {
          "city": "Grapevine",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00698854"
    },
    {
      "nct_id": "NCT01331278",
      "title": "A Comparative Study of Knee Systems",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Osteoarthritis of the Knee"
      ],
      "interventions": [
        {
          "name": "Total Knee Arthroplasty with Custom Cutting Blocks",
          "type": "PROCEDURE"
        },
        {
          "name": "Total Knee Arthroplasty via Computer Assisted Surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Foundation for Southwest Orthopedic Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2009-09",
      "completion_date": "2011-03",
      "has_results": false,
      "last_update_posted_date": "2011-04-08",
      "last_synced_at": "2026-09-13T20:55:30.287Z",
      "location_count": 2,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01331278"
    }
  ]
}