{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Powered+prosthetic+knee+joint",
    "query": {
      "intervention": "Powered prosthetic knee joint"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 20,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Powered+prosthetic+knee+joint&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-24T00:55:39.439Z",
  "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": "NCT05831696",
      "title": "Metabolic Cost of Walking With Passive vs. Powered Prosthetic Knees Among Persons With Limb Loss",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Transfemoral Amputation"
      ],
      "interventions": [
        {
          "name": "Powered Microprocessor-controlled Knee (PMPK)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Loma Linda University",
      "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": 12,
      "start_date": "2023-02-27",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-02-04",
      "last_synced_at": "2026-09-24T00:55:39.439Z",
      "location_count": 1,
      "location_summary": "Loma Linda, California",
      "locations": [
        {
          "city": "Loma Linda",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05831696"
    },
    {
      "nct_id": "NCT04616378",
      "title": "Design, Prototyping, and Testing of a Robotic Prosthetic Leg",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Amputation; Traumatic, Leg, Lower"
      ],
      "interventions": [
        {
          "name": "Phase 2 Prescribed Prosthesis",
          "type": "OTHER"
        },
        {
          "name": "Phase 2 Robotic Prosthetic Leg",
          "type": "OTHER"
        },
        {
          "name": "Phase 3 No Prosthesis",
          "type": "OTHER"
        },
        {
          "name": "Phase 3 Robotic Prosthetic Leg",
          "type": "OTHER"
        },
        {
          "name": "Phase 3 Prescribed Prosthesis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Loma Linda University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 2,
      "start_date": "2021-02-01",
      "completion_date": "2022-03-30",
      "has_results": false,
      "last_update_posted_date": "2022-08-29",
      "last_synced_at": "2026-09-24T00:55:39.439Z",
      "location_count": 1,
      "location_summary": "Loma Linda, California",
      "locations": [
        {
          "city": "Loma Linda",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04616378"
    },
    {
      "nct_id": "NCT02366702",
      "title": "Kinematic, Kinetic, and Metabolic Comparison of Bilateral Transfemoral Ambulation With Passive Versus Powered Prosthetic Devices",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Amputation",
        "Artificial Limbs",
        "Energy Expenditure",
        "Kinetics"
      ],
      "interventions": [
        {
          "name": "Lower Limb Powered Knee-Ankle Prosthesis",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Southern California Institute for Research and Education",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 3,
      "start_date": "2015-02",
      "completion_date": "2020-02",
      "has_results": false,
      "last_update_posted_date": "2019-04-05",
      "last_synced_at": "2026-09-24T00:55:39.439Z",
      "location_count": 1,
      "location_summary": "Long Beach, California",
      "locations": [
        {
          "city": "Long Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02366702"
    },
    {
      "nct_id": "NCT06399471",
      "title": "Personalizing MPK Prescription",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Transfemoral Amputation"
      ],
      "interventions": [
        {
          "name": "Microprocessor prosthetic knee",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Georgia Institute of Technology",
      "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": 11,
      "start_date": "2021-10-25",
      "completion_date": "2023-10-02",
      "has_results": true,
      "last_update_posted_date": "2024-11-14",
      "last_synced_at": "2026-09-24T00:55:39.439Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06399471"
    },
    {
      "nct_id": "NCT06391697",
      "title": "Magnetic Bead Tracking System and eOPRA Implant System With Bionic Prosthesis for Transtibial Amputees",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Amputation"
      ],
      "interventions": [
        {
          "name": "eOPRA Implant System for Transtibial Amputees and Magnetic Bead Tracking System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "22 Years to 65 Years"
      },
      "enrollment_count": 7,
      "start_date": "2024-05-01",
      "completion_date": "2027-05-02",
      "has_results": false,
      "last_update_posted_date": "2026-07-09",
      "last_synced_at": "2026-09-24T00:55:39.439Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts • Cambridge, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Cambridge",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06391697"
    },
    {
      "nct_id": "NCT04787627",
      "title": "Clinical Investigation (Beta) of Power Knee Mainstream - Dynamic",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prosthesis User",
        "Amputation"
      ],
      "interventions": [
        {
          "name": "Power Knee",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Össur Iceland ehf",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 17,
      "start_date": "2019-11-18",
      "completion_date": "2020-07-06",
      "has_results": true,
      "last_update_posted_date": "2025-09-22",
      "last_synced_at": "2026-09-24T00:55:39.439Z",
      "location_count": 2,
      "location_summary": "Silver Spring, Maryland • Boston, Massachusetts",
      "locations": [
        {
          "city": "Silver Spring",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04787627"
    },
    {
      "nct_id": "NCT03900845",
      "title": "Adherence and Perspiration While Wearing Lower Limb Prostheses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lower Extremity Amputation"
      ],
      "interventions": [
        {
          "name": "Dynamic Air Exchange - Rising Edge Design (DAE-RED)",
          "type": "DEVICE"
        },
        {
          "name": "Perforated elastomeric liner",
          "type": "DEVICE"
        },
        {
          "name": "As-prescribed prosthesis",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Seattle Institute for Biomedical and Clinical Research",
      "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": 20,
      "start_date": "2019-02-17",
      "completion_date": "2022-06-28",
      "has_results": true,
      "last_update_posted_date": "2026-01-27",
      "last_synced_at": "2026-09-24T00:55:39.439Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03900845"
    },
    {
      "nct_id": "NCT00421356",
      "title": "Comparison of Prosthetic Knee Performance During Sitting and Standing",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Amputation"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of South Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 28,
      "start_date": "2007-01",
      "completion_date": "2010-11-30",
      "has_results": false,
      "last_update_posted_date": "2023-12-14",
      "last_synced_at": "2026-09-24T00:55:39.439Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00421356"
    },
    {
      "nct_id": "NCT06194838",
      "title": "Clinical Outcomes With Non-Powered vs. Powered Prosthetic Knees by K2-level Amputees",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Amputation",
        "Amputation; Traumatic, Leg, Lower",
        "Limb; Absence, Congenital, Lower",
        "Prosthesis User",
        "Lower Limb Amputation Above Knee (Injury)",
        "Amputation; Traumatic, Leg: Thigh, Between Hip and Knee"
      ],
      "interventions": [
        {
          "name": "Ossur Power Knee",
          "type": "DEVICE"
        },
        {
          "name": "Reboocon Intuy Knee",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Liberating Technologies, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 26,
      "start_date": "2023-09-12",
      "completion_date": "2026-08-31",
      "has_results": false,
      "last_update_posted_date": "2025-09-03",
      "last_synced_at": "2026-09-24T00:55:39.439Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06194838"
    },
    {
      "nct_id": "NCT06218238",
      "title": "A Biomechanical Evaluation of the Ossur Power Knee in Persons With Transfemoral Amputation",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Transfemoral Amputation",
        "Limb Loss",
        "Limb Absence"
      ],
      "interventions": [
        {
          "name": "Powered prosthetic knee joint",
          "type": "OTHER"
        },
        {
          "name": "Conventional microprocessor-controlled prosthetic knee joint",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "45 Years to 75 Years"
      },
      "enrollment_count": 20,
      "start_date": "2024-04-01",
      "completion_date": "2027-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-22",
      "last_synced_at": "2026-09-24T00:55:39.439Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06218238"
    }
  ]
}