{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Triathlon+total+knee+implant",
    "query": {
      "intervention": "Triathlon total knee implant"
    },
    "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": "2026-09-27T10:46:10.536Z",
  "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": "NCT04814082",
      "title": "Prospective Functional, Gait, and Outcome Comparison Study of Medial Pivot Versus Single Radius Design for Total Knee Arthroplasty",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis, Knee",
        "Knee Osteoarthritis",
        "Osteoarthritis Knees Both",
        "Osteoarthritis Knee Left",
        "Osteoarthritis Knee Right",
        "Knee Pain Chronic",
        "Knee Disease",
        "Arthropathy of Knee Joint"
      ],
      "interventions": [
        {
          "name": "MicroPort Evolution Medial-Pivot Knee System (Cruciate-substituting)",
          "type": "DEVICE"
        },
        {
          "name": "Stryker Triathlon Tritanium Knee System (Condylar Stabilizing)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "LifeBridge Health",
      "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": 100,
      "start_date": "2021-02-01",
      "completion_date": "2030-07-01",
      "has_results": false,
      "last_update_posted_date": "2025-01-22",
      "last_synced_at": "2026-09-27T10:46:10.536Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04814082"
    },
    {
      "nct_id": "NCT03272178",
      "title": "Impact of Component Design and Fixation in Total Knee Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Arthroplasties, Knee Replacement"
      ],
      "interventions": [
        {
          "name": "Depuy total knee implant",
          "type": "DEVICE"
        },
        {
          "name": "Triathlon total knee implant",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "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": 100,
      "start_date": "2017-11-20",
      "completion_date": "2021-11-15",
      "has_results": false,
      "last_update_posted_date": "2021-12-01",
      "last_synced_at": "2026-09-27T10:46:10.536Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03272178"
    },
    {
      "nct_id": "NCT01497730",
      "title": "10003 PRO Current Products",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Total Knee Replacement",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "DePuy Orthopaedics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "22 Years to 80 Years"
      },
      "enrollment_count": 842,
      "start_date": "2011-10-01",
      "completion_date": "2018-08-10",
      "has_results": false,
      "last_update_posted_date": "2019-04-22",
      "last_synced_at": "2026-09-27T10:46:10.536Z",
      "location_count": 11,
      "location_summary": "Orange, California • San Diego, California • Fort Collins, Colorado + 8 more",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Fort Collins",
          "state": "Colorado"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01497730"
    },
    {
      "nct_id": "NCT01132378",
      "title": "Midvastus Versus Medial Parapatellar Approach for Minimally Invasive Total Knee Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Total knee arthroplasty",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Heekin Orthopedic Research Institute",
      "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": 40,
      "start_date": "2006-01",
      "completion_date": "2012-01",
      "has_results": true,
      "last_update_posted_date": "2014-01-17",
      "last_synced_at": "2026-09-27T10:46:10.536Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01132378"
    },
    {
      "nct_id": "NCT03683992",
      "title": "Cemented vs Cementless TKA",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Knee Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Triathlon total knee system",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 147,
      "start_date": "2013-01-01",
      "completion_date": "2023-12-01",
      "has_results": false,
      "last_update_posted_date": "2024-07-24",
      "last_synced_at": "2026-09-27T10:46:10.536Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03683992"
    },
    {
      "nct_id": "NCT04321356",
      "title": "Analysis of Competitive Posterior Cruciate Retaining (PCR) and Posterior Stabilized (PS) Total Knee Arthroplasty (TKA)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Knee Osteoarthritis",
        "Total Knee Arthroplasty",
        "Knee"
      ],
      "interventions": [
        {
          "name": "Triathlon PCR TKA",
          "type": "DEVICE"
        },
        {
          "name": "Triathlon PS TKA",
          "type": "DEVICE"
        },
        {
          "name": "Persona PCR TKA",
          "type": "DEVICE"
        },
        {
          "name": "Persona PS TKA",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "The University of Tennessee, Knoxville",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 100,
      "start_date": "2020-02-24",
      "completion_date": "2022-05-16",
      "has_results": true,
      "last_update_posted_date": "2023-11-28",
      "last_synced_at": "2026-09-27T10:46:10.536Z",
      "location_count": 2,
      "location_summary": "Knoxville, Tennessee",
      "locations": [
        {
          "city": "Knoxville",
          "state": "Tennessee"
        },
        {
          "city": "Knoxville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04321356"
    },
    {
      "nct_id": "NCT01811563",
      "title": "Total Knee Arthroplasty: Functional and Clinical Outcomes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Knee Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Zimmer",
          "type": "DEVICE"
        },
        {
          "name": "Stryker",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 60,
      "start_date": "2013-02",
      "completion_date": "2016-02-26",
      "has_results": true,
      "last_update_posted_date": "2017-06-02",
      "last_synced_at": "2026-09-27T10:46:10.536Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01811563"
    },
    {
      "nct_id": "NCT01864434",
      "title": "In Vivo Kinematics Comparison of Stryker or Zimmer Total Knee Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Knee Prosthesis"
      ],
      "interventions": [
        {
          "name": "Stryker posterior cruciat retaining (PCR) total knee arthroplasty (TKA)",
          "type": "DEVICE"
        },
        {
          "name": "Zimmer PCR TKA",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "The University of Tennessee, Knoxville",
      "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": 50,
      "start_date": "2013-06",
      "completion_date": "2014-11",
      "has_results": true,
      "last_update_posted_date": "2019-10-10",
      "last_synced_at": "2026-09-27T10:46:10.536Z",
      "location_count": 4,
      "location_summary": "Knoxville, Tennessee",
      "locations": [
        {
          "city": "Knoxville",
          "state": "Tennessee"
        },
        {
          "city": "Knoxville",
          "state": "Tennessee"
        },
        {
          "city": "Knoxville",
          "state": "Tennessee"
        },
        {
          "city": "Knoxville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01864434"
    }
  ]
}