{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Above+Knee+Amputation",
    "query": {
      "condition": "Above Knee Amputation"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 51,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Above+Knee+Amputation&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-22T04:09:49.234Z",
  "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": "NCT04937179",
      "title": "The Effect of Ischemic Conditioning on Strength and Ambulation in Subjects with PAD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Peripheral Arterial Disease",
        "Peripheral Vascular Disease",
        "Amputation",
        "Lower Limb Amputation Knee",
        "Lower Limb Amputation Above Knee (Injury)",
        "Lower Limb Amputation Below Knee (Injury)"
      ],
      "interventions": [
        {
          "name": "Ischemic Conditioning Low - Sham Comparator",
          "type": "PROCEDURE"
        },
        {
          "name": "Ischemic Conditioning High - Active Comparator",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Illinois at Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 21,
      "start_date": "2022-07-01",
      "completion_date": "2024-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-02-27",
      "last_synced_at": "2026-07-22T04:09:49.234Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04937179"
    },
    {
      "nct_id": "NCT03338842",
      "title": "Virtual Reality Treatment for Phantom Limb Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lower Limb Amputation Above Knee (Injury)",
        "Lower Limb Amputation Below Knee (Injury)",
        "Phantom Limb Pain"
      ],
      "interventions": [
        {
          "name": "Distractor and Lower limb VR",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 14,
      "start_date": "2018-01-12",
      "completion_date": "2019-11-01",
      "has_results": false,
      "last_update_posted_date": "2020-06-16",
      "last_synced_at": "2026-07-22T04:09:49.234Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03338842"
    },
    {
      "nct_id": "NCT03673371",
      "title": "Women's-Specific Footwear With Prosthetic Feet",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lower Limb Amputation Below Knee (Injury)",
        "Lower Limb Amputation Above Knee (Injury)"
      ],
      "interventions": [
        {
          "name": "Questionnaire",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Minneapolis Veterans Affairs Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 100,
      "start_date": "2019-03-04",
      "completion_date": "2023-01-06",
      "has_results": false,
      "last_update_posted_date": "2023-03-22",
      "last_synced_at": "2026-07-22T04:09:49.234Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03673371"
    },
    {
      "nct_id": "NCT06700668",
      "title": "Active Knee Prosthesis Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Transfemoral Amputation"
      ],
      "interventions": [
        {
          "name": "MIT Powered Knee",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Massachusetts Institute of Technology",
      "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": "2008-04-17",
      "completion_date": "2026-07-17",
      "has_results": false,
      "last_update_posted_date": "2025-10-14",
      "last_synced_at": "2026-07-22T04:09:49.234Z",
      "location_count": 1,
      "location_summary": "Cambridge, Massachusetts",
      "locations": [
        {
          "city": "Cambridge",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06700668"
    },
    {
      "nct_id": "NCT02299674",
      "title": "Study of Medial-Lateral Center of Pressure Displacement in Unilateral Transfemoral Amputees",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Unilateral Transfemoral Amputation"
      ],
      "interventions": [
        {
          "name": "Level overground ambulation",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Southern California Institute for Research and Education",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "MALE",
        "summary": "18 Years to 65 Years · Male only"
      },
      "enrollment_count": 3,
      "start_date": "2014-11",
      "completion_date": "2017-05",
      "has_results": false,
      "last_update_posted_date": "2017-05-03",
      "last_synced_at": "2026-07-22T04:09:49.234Z",
      "location_count": 1,
      "location_summary": "Long Beach, California",
      "locations": [
        {
          "city": "Long Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02299674"
    },
    {
      "nct_id": "NCT01537211",
      "title": "Functional Outcomes in Dysvascular Transfemoral Amputees",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Transfemoral Amputation",
        "Unilateral Traumatic Amputation of Leg at or Above Knee"
      ],
      "interventions": [
        {
          "name": "C leg compared to subject's mechanical leg (Otto Bock)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Shirley Ryan AbilityLab",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 10,
      "start_date": "2011-08",
      "completion_date": "2019-04",
      "has_results": true,
      "last_update_posted_date": "2019-09-06",
      "last_synced_at": "2026-07-22T04:09:49.234Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01537211"
    },
    {
      "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": "2026-07-22T04:09:49.234Z",
      "location_count": 1,
      "location_summary": "Loma Linda, California",
      "locations": [
        {
          "city": "Loma Linda",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05831696"
    },
    {
      "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": "2026-07-22T04:09:49.234Z",
      "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": "NCT02678247",
      "title": "Functional Performance Evaluation of NU-FlexSIV Socket",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Amputation",
        "Artificial Limbs"
      ],
      "interventions": [
        {
          "name": "Northwestern University Flexible Sub-Ischial Vacuum Socket",
          "type": "DEVICE"
        },
        {
          "name": "Ischial Containment Socket",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2016-04",
      "completion_date": "2019-12",
      "has_results": true,
      "last_update_posted_date": "2021-06-15",
      "last_synced_at": "2026-07-22T04:09:49.234Z",
      "location_count": 3,
      "location_summary": "Chicago, Illinois • Oakbrook Terrace, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Oakbrook Terrace",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02678247"
    },
    {
      "nct_id": "NCT06275282",
      "title": "Regenerative Peripheral Nerve Interface for Control of Lower Limb Prostheses",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Amputation",
        "Prostheses and Implants"
      ],
      "interventions": [
        {
          "name": "Intramuscular electrodes",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Michigan",
      "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": 3,
      "start_date": "2025-02-13",
      "completion_date": "2027-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-19",
      "last_synced_at": "2026-07-22T04:09:49.234Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06275282"
    }
  ]
}