{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Robot+Assisted+Total+Knee+Replacement",
    "query": {
      "intervention": "Robot Assisted Total Knee Replacement"
    },
    "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": "2026-09-14T11:59:37.882Z",
  "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": "NCT06447922",
      "title": "Metal Ion Concentrations After Total Knee Arthroplasty",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Arthroplasty, Replacement, Knee",
        "Total Knee Replacement",
        "Blood Metal Ion Concentration"
      ],
      "interventions": [
        {
          "name": "Metal ion level testing",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 60,
      "start_date": "2024-06-25",
      "completion_date": "2026-10",
      "has_results": false,
      "last_update_posted_date": "2026-07-13",
      "last_synced_at": "2026-09-14T11:59:37.882Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06447922"
    },
    {
      "nct_id": "NCT01705886",
      "title": "Clinical and Economic Comparison of Robot Assisted Versus Manual Knee Replacement",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Knee Arthroplasty"
      ],
      "interventions": [
        {
          "name": "Total Knee Arthroplasty",
          "type": "PROCEDURE"
        },
        {
          "name": "MAKO® Robot Assisted Medial Knee Arthroplasty",
          "type": "PROCEDURE"
        },
        {
          "name": "RESTORIS Multicompartmental Knee System",
          "type": "DEVICE"
        },
        {
          "name": "Depuy Knee Replacement System",
          "type": "DEVICE"
        },
        {
          "name": "Stryker® Knee Replacement System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DEVICE"
      ],
      "sponsor": "Northwest Surgical Specialists, Vancouver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "21 Years to 80 Years"
      },
      "enrollment_count": 62,
      "start_date": "2012-10",
      "completion_date": "2023-10",
      "has_results": false,
      "last_update_posted_date": "2024-11-21",
      "last_synced_at": "2026-09-14T11:59:37.882Z",
      "location_count": 1,
      "location_summary": "Vancouver, Washington",
      "locations": [
        {
          "city": "Vancouver",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01705886"
    },
    {
      "nct_id": "NCT06733597",
      "title": "Femoral BMD Change Following Cemented or Cementless Total Knee Arthroplasty",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Knee Arthropathy"
      ],
      "interventions": [
        {
          "name": "Cement",
          "type": "PROCEDURE"
        },
        {
          "name": "Cementless",
          "type": "OTHER"
        },
        {
          "name": "Manual Surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "Robotic Surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "55 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2025-03-06",
      "completion_date": "2028-06",
      "has_results": false,
      "last_update_posted_date": "2026-02-19",
      "last_synced_at": "2026-09-14T11:59:37.882Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06733597"
    },
    {
      "nct_id": "NCT01845597",
      "title": "Survivorship and Outcomes of Robot Assisted Medial Partial Knee Replacement",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Unicompartmental Knee Arthroplasty"
      ],
      "interventions": [
        {
          "name": "MAKOplasty® medial UKA",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Northwest Surgical Specialists, Vancouver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 145,
      "start_date": "2013-04",
      "completion_date": "2022-02-28",
      "has_results": true,
      "last_update_posted_date": "2023-07-13",
      "last_synced_at": "2026-09-14T11:59:37.882Z",
      "location_count": 1,
      "location_summary": "Vancouver, Washington",
      "locations": [
        {
          "city": "Vancouver",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01845597"
    },
    {
      "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": "2026-09-14T11:59:37.882Z",
      "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": "NCT03052790",
      "title": "Comparison of Implant Positioning With Robotic Aided Surgery and Traditional Jig Positioning in Total Knee Arthroplasty",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Knee Arthritis"
      ],
      "interventions": [
        {
          "name": "manually instrumented total knee arthroplasty",
          "type": "PROCEDURE"
        },
        {
          "name": "robotic assisted total knee arthroplasty",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DEVICE"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "95 Years",
        "sex": "ALL",
        "summary": "25 Years to 95 Years"
      },
      "enrollment_count": 0,
      "start_date": "2018-07-01",
      "completion_date": "2019-12-01",
      "has_results": false,
      "last_update_posted_date": "2019-04-04",
      "last_synced_at": "2026-09-14T11:59:37.882Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03052790"
    },
    {
      "nct_id": "NCT01705366",
      "title": "Clinical Outcomes of Knee Replacement",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Knee Arthroplasty"
      ],
      "interventions": [
        {
          "name": "Non-MAKO® Robot Assisted Total Knee Arthroplasty",
          "type": "PROCEDURE"
        },
        {
          "name": "MAKO® Robot Assisted Medial Knee Arthroplasty",
          "type": "PROCEDURE"
        },
        {
          "name": "MAKO® Robot Assisted Medial and PF Knee Arthroplasty",
          "type": "PROCEDURE"
        },
        {
          "name": "RESTORIS Multicompartmental Knee System",
          "type": "DEVICE"
        },
        {
          "name": "Depuy Knee Replacement System",
          "type": "DEVICE"
        },
        {
          "name": "Stryker® Knee Replacement System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DEVICE"
      ],
      "sponsor": "Northwest Surgical Specialists, Vancouver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 316,
      "start_date": "2012-10",
      "completion_date": "2018-09-19",
      "has_results": false,
      "last_update_posted_date": "2018-09-26",
      "last_synced_at": "2026-09-14T11:59:37.882Z",
      "location_count": 1,
      "location_summary": "Vancouver, Washington",
      "locations": [
        {
          "city": "Vancouver",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01705366"
    },
    {
      "nct_id": "NCT03523897",
      "title": "A Prospective Study to Evaluate Robot Assisted Total Knee Replacement Outcomes",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Primary Osteoarthritis of Knee Nos"
      ],
      "interventions": [
        {
          "name": "Robot Assisted Total Knee Replacement",
          "type": "PROCEDURE"
        },
        {
          "name": "Traditional Total Knee Replacement",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Virtua Health, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 92,
      "start_date": "2018-04-20",
      "completion_date": "2022-07-14",
      "has_results": true,
      "last_update_posted_date": "2025-06-06",
      "last_synced_at": "2026-09-14T11:59:37.882Z",
      "location_count": 1,
      "location_summary": "Voorhees Township, New Jersey",
      "locations": [
        {
          "city": "Voorhees Township",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03523897"
    }
  ]
}