{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Microprocessor+Knee+%28MPK%29",
    "query": {
      "intervention": "Microprocessor Knee (MPK)"
    },
    "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": "2026-09-06T20:23:58.871Z",
  "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": "NCT04784429",
      "title": "Assessing Outcomes With Microprocessor Knee Utilization in a K2 Population",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lower Limb Amputation Above Knee (Injury)",
        "Congenital Amputation of Lower Limb",
        "Lower Limb Amputation Knee"
      ],
      "interventions": [
        {
          "name": "Kenevo or C-Leg 4",
          "type": "DEVICE"
        },
        {
          "name": "Non microprocessor controlled knee (NMPK)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Otto Bock Healthcare Products GmbH",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 107,
      "start_date": "2021-06-11",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-02-09",
      "last_synced_at": "2026-09-06T20:23:58.871Z",
      "location_count": 90,
      "location_summary": "Dothan, Alabama • Gilbert, Arizona • Phoenix, Arizona + 85 more",
      "locations": [
        {
          "city": "Dothan",
          "state": "Alabama"
        },
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Sun City West",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04784429"
    },
    {
      "nct_id": "NCT02240186",
      "title": "Comparative Effectiveness Between Microprocessor Knees and Non-Microprocessor Knees",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lower Limb Amputation Above Knee (Injury)"
      ],
      "interventions": [
        {
          "name": "Microprocessor Knee (MPK)",
          "type": "DEVICE"
        },
        {
          "name": "Non-Microprocessor Knee (NMPK)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "55 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2014-06",
      "completion_date": "2017-12",
      "has_results": true,
      "last_update_posted_date": "2018-12-12",
      "last_synced_at": "2026-09-06T20:23:58.871Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02240186"
    },
    {
      "nct_id": "NCT05267639",
      "title": "Clinical Outcomes With Passive MPKs vs. Powered Prosthetic Knees",
      "overall_status": "COMPLETED",
      "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": "Power Knee",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Liberating Technologies, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 13,
      "start_date": "2022-05-01",
      "completion_date": "2024-08-28",
      "has_results": true,
      "last_update_posted_date": "2025-06-26",
      "last_synced_at": "2026-09-06T20:23:58.871Z",
      "location_count": 2,
      "location_summary": "Holliston, Massachusetts • Austin, Texas",
      "locations": [
        {
          "city": "Holliston",
          "state": "Massachusetts"
        },
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05267639"
    },
    {
      "nct_id": "NCT06748729",
      "title": "Clinical Investigation (Beta) of a New Developed Prosthetic Knee",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Amputation"
      ],
      "interventions": [
        {
          "name": "Navii Knee",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Össur Iceland ehf",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 11,
      "start_date": "2024-02-26",
      "completion_date": "2024-03-28",
      "has_results": true,
      "last_update_posted_date": "2025-09-04",
      "last_synced_at": "2026-09-06T20:23:58.871Z",
      "location_count": 1,
      "location_summary": "Orlando, Florida",
      "locations": [
        {
          "city": "Orlando",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06748729"
    },
    {
      "nct_id": "NCT07103798",
      "title": "Effect of a Microprocessor-controlled Prosthetic Knee Joint on K2 Level Ambulators",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Transfemoral Amputation",
        "Limb Loss",
        "Limb Absence"
      ],
      "interventions": [
        {
          "name": "College Park ICON",
          "type": "OTHER"
        },
        {
          "name": "Conventional NMPK",
          "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": "85 Years",
        "sex": "ALL",
        "summary": "45 Years to 85 Years"
      },
      "enrollment_count": 20,
      "start_date": "2026-10-01",
      "completion_date": "2028-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-08-24",
      "last_synced_at": "2026-09-06T20:23:58.871Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois • Hines, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Hines",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07103798"
    },
    {
      "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": "2026-09-06T20:23:58.871Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06399471"
    },
    {
      "nct_id": "NCT04023578",
      "title": "An Investigation of Functional Improvements in the RHEO KNEE Compared to Hydraulic Microprocessor Controlled Knees (MPKs)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prosthesis User",
        "Amputation"
      ],
      "interventions": [
        {
          "name": "RHEO KNEE XC",
          "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": 15,
      "start_date": "2015-06-30",
      "completion_date": "2015-08-04",
      "has_results": true,
      "last_update_posted_date": "2020-04-06",
      "last_synced_at": "2026-09-06T20:23:58.871Z",
      "location_count": 4,
      "location_summary": "Orlando, Florida • Flowood, Mississippi • Fort Worth, Texas + 1 more",
      "locations": [
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Flowood",
          "state": "Mississippi"
        },
        {
          "city": "Fort Worth",
          "state": "Texas"
        },
        {
          "city": "Roanoke",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04023578"
    },
    {
      "nct_id": "NCT06937242",
      "title": "Effects of Microprocessor-controlled Prosthetic Knees on Fall-related Health Outcomes in Limited Community Ambulators",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Amputation",
        "Prosthesis User",
        "Amputation; Traumatic, Leg: Thigh, Between Hip and Knee",
        "Limb; Absence, Congenital, Lower",
        "Lower Limb Amputation Above Knee (Injury)",
        "Lower Limb Amputation Above Knee"
      ],
      "interventions": [
        {
          "name": "Ottobock C-Leg 4 Microprocessor Knee",
          "type": "DEVICE"
        },
        {
          "name": "Ottobock Kenevo",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Hanger Institute for Clinical Research and Education, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2025-07-11",
      "completion_date": "2027-02",
      "has_results": false,
      "last_update_posted_date": "2026-02-05",
      "last_synced_at": "2026-09-06T20:23:58.871Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06937242"
    }
  ]
}