{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Energy+Storing+Foot",
    "query": {
      "intervention": "Energy Storing Foot"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 15,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Energy+Storing+Foot&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-08T16:37:21.412Z",
  "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": "NCT00494143",
      "title": "Metabolic Cost Savings for Transtibial Amputees Wearing the Controlled Energy Storage and Return (CESR) Foot",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Transtibial Amputation"
      ],
      "interventions": [
        {
          "name": "CESR Prosthetic Foot",
          "type": "DEVICE"
        },
        {
          "name": "typical prosthetic foot",
          "type": "DEVICE"
        },
        {
          "name": "standardized prosthetic foot",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "US Department of Veterans Affairs",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 7,
      "start_date": "2007-07",
      "completion_date": "2012-12",
      "has_results": true,
      "last_update_posted_date": "2014-06-09",
      "last_synced_at": "2026-09-08T16:37:21.412Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00494143"
    },
    {
      "nct_id": "NCT02542761",
      "title": "Comparative Performance of Dynamic Elastic Response Feet",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Transtibial Amputation - Unilateral"
      ],
      "interventions": [
        {
          "name": "Fiberglass Composite foot",
          "type": "DEVICE"
        },
        {
          "name": "Carbon Fiber Composite Foot",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2015-06",
      "completion_date": "2016-05",
      "has_results": true,
      "last_update_posted_date": "2018-09-20",
      "last_synced_at": "2026-09-08T16:37:21.412Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02542761"
    },
    {
      "nct_id": "NCT02440711",
      "title": "Evaluation of a Modified Running-specific Prosthetic Foot",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Transtibial Amputation"
      ],
      "interventions": [
        {
          "name": "Energy storing foot (ESF)",
          "type": "DEVICE"
        },
        {
          "name": "Modified running specific foot (mRSF)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 36,
      "start_date": "2015-05",
      "completion_date": "2018-03",
      "has_results": true,
      "last_update_posted_date": "2023-08-02",
      "last_synced_at": "2026-09-08T16:37:21.412Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02440711"
    },
    {
      "nct_id": "NCT04239222",
      "title": "Feasibility Study to Evaluate a New Energy Storage and Return Prosthetic Foot",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lower Limb Amputation Below Knee (Injury)",
        "Lower Limb Amputation Above Knee (Injury)",
        "Lower Limb Amputation Knee"
      ],
      "interventions": [
        {
          "name": "Revo-M",
          "type": "DEVICE"
        },
        {
          "name": "Taleo",
          "type": "DEVICE"
        },
        {
          "name": "Proflex XC",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Otto Bock Healthcare Products GmbH",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 27,
      "start_date": "2020-03-10",
      "completion_date": "2022-03-11",
      "has_results": true,
      "last_update_posted_date": "2024-09-23",
      "last_synced_at": "2026-09-08T16:37:21.412Z",
      "location_count": 4,
      "location_summary": "Mesa, Arizona • Linthicum, Maryland • Dayton, Ohio + 1 more",
      "locations": [
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Linthicum",
          "state": "Maryland"
        },
        {
          "city": "Dayton",
          "state": "Ohio"
        },
        {
          "city": "Exton",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04239222"
    },
    {
      "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": "2026-09-08T16:37:21.412Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00869947"
    },
    {
      "nct_id": "NCT02280200",
      "title": "Ankle-foot Orthoses for Peripheral Artery Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Peripheral Artery Disease"
      ],
      "interventions": [
        {
          "name": "AFO to improve outcomes",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 31,
      "start_date": "2014-11",
      "completion_date": "2017-12",
      "has_results": true,
      "last_update_posted_date": "2019-07-31",
      "last_synced_at": "2026-09-08T16:37:21.412Z",
      "location_count": 1,
      "location_summary": "Missoula, Montana",
      "locations": [
        {
          "city": "Missoula",
          "state": "Montana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02280200"
    },
    {
      "nct_id": "NCT05265403",
      "title": "Evaluation of High-Performance, Customized, Rapidly-Manufacturable Prosthetic Feet That Provide Improved Mobility",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Amputation of Lower Limb Below Knee"
      ],
      "interventions": [
        {
          "name": "Commercially-available energy storage and return prosthetic foot",
          "type": "DRUG"
        },
        {
          "name": "MIT-Lower Leg Trajectory Error (LLTE) customized prosthetic feet",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Massachusetts Institute of Technology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 40,
      "start_date": "2022-03-03",
      "completion_date": "2022-08-31",
      "has_results": false,
      "last_update_posted_date": "2022-04-12",
      "last_synced_at": "2026-09-08T16:37:21.412Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05265403"
    },
    {
      "nct_id": "NCT04086641",
      "title": "Comparison of Prosthetic Feet for People With Syme's Amputation (XF Symes Study)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Amputation",
        "Artificial Limb"
      ],
      "interventions": [
        {
          "name": "Crossover foot",
          "type": "DEVICE"
        },
        {
          "name": "Energy Storing Foot",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5,
      "start_date": "2019-07-22",
      "completion_date": "2019-12-03",
      "has_results": true,
      "last_update_posted_date": "2020-12-14",
      "last_synced_at": "2026-09-08T16:37:21.412Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04086641"
    },
    {
      "nct_id": "NCT07266077",
      "title": "Influence Of A Slope Adaptive Foot On Participation Of Veterans With Lower-Limb Amputations",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Amputation"
      ],
      "interventions": [
        {
          "name": "Fillauer Slope Adaptive Foot",
          "type": "DEVICE"
        },
        {
          "name": "Fillauer Motion Foot SLX",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 30,
      "start_date": "2026-07-01",
      "completion_date": "2029-08-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-30",
      "last_synced_at": "2026-09-08T16:37:21.412Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07266077"
    },
    {
      "nct_id": "NCT04070105",
      "title": "No Power Bionic Lower Extremity Prosthesis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Amputation",
        "Amputation, Traumatic",
        "Amputation; Traumatic, Leg, Lower"
      ],
      "interventions": [
        {
          "name": "Compliant Adaptive Energy Storage and Return Foot",
          "type": "DEVICE"
        },
        {
          "name": "AllPro",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Michigan",
      "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": "2020-09-01",
      "completion_date": "2022-12-31",
      "has_results": true,
      "last_update_posted_date": "2024-03-27",
      "last_synced_at": "2026-09-08T16:37:21.412Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04070105"
    }
  ]
}