{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Below+Knee+Amputation",
    "query": {
      "condition": "Below Knee Amputation"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 39,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Below+Knee+Amputation&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-22T15:11:32.893Z",
  "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": "NCT06419920",
      "title": "Prosthetic Performance Enhancement Trial",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Amputation",
        "Lower Limb Amputation Below Knee (Injury)",
        "Lower Limb Amputation Above Knee (Injury)",
        "Lower Limb Amputation at Ankle (Injury)",
        "Lower Limb Amputation Knee",
        "Lower Limb Amputation at Hip (Injury)"
      ],
      "interventions": [
        {
          "name": "Flat terrain locomotor training",
          "type": "OTHER"
        },
        {
          "name": "Uneven terrain locomotor training",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Nevada, Las Vegas",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 35,
      "start_date": "2025-06-26",
      "completion_date": "2027-07",
      "has_results": false,
      "last_update_posted_date": "2026-06-23",
      "last_synced_at": "2026-07-22T15:11:32.893Z",
      "location_count": 1,
      "location_summary": "Las Vegas, Nevada",
      "locations": [
        {
          "city": "Las Vegas",
          "state": "Nevada"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06419920"
    },
    {
      "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": "2026-07-22T15:11:32.893Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02828982"
    },
    {
      "nct_id": "NCT07664995",
      "title": "Determining the Effects of Ischemic Conditioning and Neuromuscular Electrical Stimulation on Overall Function After Lower Limb Amputation",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lower Limb Amputation Above Knee",
        "Below Knee Amputation"
      ],
      "interventions": [
        {
          "name": "Blood pressure cuff",
          "type": "DEVICE"
        },
        {
          "name": "Neuromuscular Electrical Stimulation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "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": 24,
      "start_date": "2026-07-01",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-06-24",
      "last_synced_at": "2026-07-22T15:11:32.893Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07664995"
    },
    {
      "nct_id": "NCT05190354",
      "title": "Post Market Clinical Protocol - Xtremity Polymer Prosthetic Socket System",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Amputation",
        "Prosthesis User"
      ],
      "interventions": [
        {
          "name": "Xtremity Polymer Prosthetic Socket",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Medical Creations, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2021-11-16",
      "completion_date": "2022-06-24",
      "has_results": false,
      "last_update_posted_date": "2022-08-24",
      "last_synced_at": "2026-07-22T15:11:32.893Z",
      "location_count": 1,
      "location_summary": "Little Rock, Arkansas",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05190354"
    },
    {
      "nct_id": "NCT04717557",
      "title": "Hyperbaric Oxygen and Outcome After Below Knee Amputations",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Amputation; Postoperative, Sequelae"
      ],
      "interventions": [
        {
          "name": "Hyperbaric Oxygen",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4,
      "start_date": "2021-01-01",
      "completion_date": "2023-10-31",
      "has_results": true,
      "last_update_posted_date": "2025-08-11",
      "last_synced_at": "2026-07-22T15:11:32.893Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04717557"
    },
    {
      "nct_id": "NCT02685098",
      "title": "A Clinical and Histological Analysis of Mesenchymal Stem Cells in Amputation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Ischemia",
        "Peripheral Arterial Disease",
        "Peripheral Vascular Disease",
        "Vascular Disease",
        "Arterial Occlusive Disease",
        "Arteriosclerosis",
        "Atherosclerosis",
        "Cardiovascular Disease",
        "Pathologic Processes",
        "Orthopedic Procedures",
        "Amputation"
      ],
      "interventions": [
        {
          "name": "Allogeneic bone marrow derived mesenchymal stem cells",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "40 Years to 90 Years"
      },
      "enrollment_count": 81,
      "start_date": "2017-01-23",
      "completion_date": "2023-10-03",
      "has_results": false,
      "last_update_posted_date": "2025-09-23",
      "last_synced_at": "2026-07-22T15:11:32.893Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02685098"
    },
    {
      "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": "2026-07-22T15:11:32.893Z",
      "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": "NCT04484805",
      "title": "Socket Cooling Effectiveness Take Home Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Amputation",
        "Amputation; Traumatic, Leg, Lower",
        "Amputation Stump",
        "Limb; Absence, Congenital, Lower",
        "Prosthesis User",
        "Lower Limb Amputation Below Knee (Injury)"
      ],
      "interventions": [
        {
          "name": "ICE Condition",
          "type": "DEVICE"
        },
        {
          "name": "Sham Condition",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Liberating Technologies, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 12,
      "start_date": "2019-08-01",
      "completion_date": "2020-11-03",
      "has_results": true,
      "last_update_posted_date": "2024-10-22",
      "last_synced_at": "2026-07-22T15:11:32.893Z",
      "location_count": 2,
      "location_summary": "Holliston, Massachusetts • Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Holliston",
          "state": "Massachusetts"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04484805"
    },
    {
      "nct_id": "NCT06964347",
      "title": "Combined Local Anesthetic Blockade and Neuromodulation vs Local Anesthetic Blockade Only for Analgesia After Below-knee Amputation: RCT",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Amputation"
      ],
      "interventions": [
        {
          "name": "Ropivacaine 0.2% + nerve stimulator set",
          "type": "DEVICE"
        },
        {
          "name": "Ropivacaine 0.2%",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 62,
      "start_date": "2025-12",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2025-05-09",
      "last_synced_at": "2026-07-22T15:11:32.893Z",
      "location_count": 3,
      "location_summary": "Stanford, California • Jacksonville, Florida • Iowa City, Iowa",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06964347"
    },
    {
      "nct_id": "NCT06711588",
      "title": "Automatic Prosthetic Foot Stiffness Modulation to Improve Balance",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lower Limb Amputation Below Knee"
      ],
      "interventions": [
        {
          "name": "As-prescribed stiffness",
          "type": "DEVICE"
        },
        {
          "name": "Two categories stiffer than the as-prescribed stiffness",
          "type": "DEVICE"
        },
        {
          "name": "Two categories less stiff than the as-prescribed stiffness",
          "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": "2024-12-19",
      "completion_date": "2026-08",
      "has_results": false,
      "last_update_posted_date": "2026-05-13",
      "last_synced_at": "2026-07-22T15:11:32.893Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06711588"
    }
  ]
}