{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Powered+ankle+prosthesis",
    "query": {
      "intervention": "Powered ankle prosthesis"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 21,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Powered+ankle+prosthesis&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-11T01:24:50.565Z",
  "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": "NCT01784003",
      "title": "Characterizing Ankle Function During Sloped Locomotion for Prosthesis Development",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Traumatic Amputation of Lower Extremity"
      ],
      "interventions": [
        {
          "name": "Powered ankle-foot prosthesis",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "VA Eastern Colorado Health Care System",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 60,
      "start_date": "2012-06",
      "completion_date": "2020-09",
      "has_results": false,
      "last_update_posted_date": "2020-09-10",
      "last_synced_at": "2026-09-11T01:24:50.565Z",
      "location_count": 1,
      "location_summary": "Boulder, Colorado",
      "locations": [
        {
          "city": "Boulder",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01784003"
    },
    {
      "nct_id": "NCT02828982",
      "title": "Determining the Potential Benefit of Powered Prostheses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Unilateral Traumatic Amputation",
        "Amputation, Traumatic"
      ],
      "interventions": [
        {
          "name": "Powered ankle prosthesis",
          "type": "DEVICE"
        },
        {
          "name": "Dynamic Response Foot",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Deanna H Gates",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 12,
      "start_date": "2016-07",
      "completion_date": "2019-08",
      "has_results": true,
      "last_update_posted_date": "2022-01-18",
      "last_synced_at": "2026-09-11T01:24:50.565Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02828982"
    },
    {
      "nct_id": "NCT07159490",
      "title": "Lower Limb Prostheses for Individuals Who Carry Infants, Toddlers, and Other Loads",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Amputation",
        "Prosthesis User"
      ],
      "interventions": [
        {
          "name": "Standard-of-care prosthetic foot",
          "type": "DEVICE"
        },
        {
          "name": "Standard-of-care prosthetic foot with heel-stiffening wedge",
          "type": "DEVICE"
        },
        {
          "name": "Standard-of-care prosthetic foot of one category greater stiffness",
          "type": "DEVICE"
        },
        {
          "name": "Dual keel prosthetic foot",
          "type": "DEVICE"
        },
        {
          "name": "Powered ankle-foot",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "VA Puget Sound Health Care System",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 13,
      "start_date": "2020-12-03",
      "completion_date": "2025-10-01",
      "has_results": true,
      "last_update_posted_date": "2026-02-12",
      "last_synced_at": "2026-09-11T01:24:50.565Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07159490"
    },
    {
      "nct_id": "NCT03204513",
      "title": "Impact of Powered Knee-Ankle Prosthesis Leg on Everyday Community Mobility and Social Interaction",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Transfemoral Amputees"
      ],
      "interventions": [
        {
          "name": "Vanderbilt Powered Knee-Ankle Prosthesis",
          "type": "DEVICE"
        },
        {
          "name": "Microprocessor (MP) Knee Prosthesis",
          "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": 15,
      "start_date": "2016-12",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-04-22",
      "last_synced_at": "2026-09-11T01:24:50.565Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03204513"
    },
    {
      "nct_id": "NCT05112679",
      "title": "Limb Health and Socket Pressure in Response to Powered Ankle Protheses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pressure Ulcer, Ankle",
        "Prosthesis User",
        "Prosthesis Durability",
        "Mobility Limitation",
        "Skin Wound",
        "Amputation; Traumatic, Foot",
        "Amputation",
        "Limb Deficiencies"
      ],
      "interventions": [
        {
          "name": "PROPRIO FOOT® by Ossur & Empower ankle by Ottobock",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 6,
      "start_date": "2021-11-15",
      "completion_date": "2023-07-19",
      "has_results": true,
      "last_update_posted_date": "2025-11-25",
      "last_synced_at": "2026-09-11T01:24:50.565Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05112679"
    },
    {
      "nct_id": "NCT06160882",
      "title": "Powered Prosthesis for Use With TF Osseointegration Recipients",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Amputation"
      ],
      "interventions": [
        {
          "name": "Powered Prosthesis Training and EMG data collection",
          "type": "OTHER"
        },
        {
          "name": "Perform Osseointegration (OI) surgery and Targeted Muscle Reinnervation (TMR)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Shirley Ryan AbilityLab",
      "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": 6,
      "start_date": "2024-01-01",
      "completion_date": "2028-10",
      "has_results": false,
      "last_update_posted_date": "2025-03-18",
      "last_synced_at": "2026-09-11T01:24:50.565Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06160882"
    },
    {
      "nct_id": "NCT00869947",
      "title": "Effects of Wearing a Powered Ankle-Foot Prosthesis on Amputee Walking",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Traumatic Amputation of Lower Extremity"
      ],
      "interventions": [
        {
          "name": "Powered ankle-foot prosthesis",
          "type": "DEVICE"
        },
        {
          "name": "No device",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "US Department of Veterans Affairs",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 16,
      "start_date": "2009-03",
      "completion_date": "2013-01",
      "has_results": true,
      "last_update_posted_date": "2014-02-25",
      "last_synced_at": "2026-09-11T01:24:50.565Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00869947"
    },
    {
      "nct_id": "NCT03632252",
      "title": "Evaluating and Improving Assistive Robotic Devices Continuously and in Real-time",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Amputation"
      ],
      "interventions": [
        {
          "name": "Powered ankle prosthesis",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2019-05-01",
      "completion_date": "2021-09-15",
      "has_results": false,
      "last_update_posted_date": "2022-01-14",
      "last_synced_at": "2026-09-11T01:24:50.565Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03632252"
    },
    {
      "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": "2026-09-11T01:24:50.565Z",
      "location_count": 1,
      "location_summary": "Loma Linda, California",
      "locations": [
        {
          "city": "Loma Linda",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04616378"
    },
    {
      "nct_id": "NCT07645729",
      "title": "Evaluation of a Powered Ankle Prosthesis Capable of Bidirectional Control Via Neural Recording and Cutaneous Stimulation in Free-Space and Walking Tasks",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Amputation"
      ],
      "interventions": [
        {
          "name": "Powered Prosthesis",
          "type": "DEVICE"
        },
        {
          "name": "Prescribed Prosthesis",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Massachusetts Institute of Technology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 10,
      "start_date": "2025-10-21",
      "completion_date": "2031-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-06-12",
      "last_synced_at": "2026-09-11T01:24:50.565Z",
      "location_count": 1,
      "location_summary": "Cambridge, Massachusetts",
      "locations": [
        {
          "city": "Cambridge",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07645729"
    }
  ]
}