{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Lower+Extremity+Weakness%2C+Spastic",
    "query": {
      "condition": "Lower Extremity Weakness, Spastic"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 13,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Lower+Extremity+Weakness%2C+Spastic&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-10T14:34:06.578Z",
  "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": "NCT04799288",
      "title": "Teriflunomide in HTLV-1 Associated Myelopathy/Tropical Spastic Paraparesis",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "HAM/TSP"
      ],
      "interventions": [
        {
          "name": "Teriflunomide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Neurological Disorders and Stroke (NINDS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 24,
      "start_date": "2021-09-24",
      "completion_date": "2029-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-11",
      "last_synced_at": "2026-06-10T14:34:06.578Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04799288"
    },
    {
      "nct_id": "NCT00023075",
      "title": "Nuclear Magnetic Spectroscopy Imaging to Evaluate Primary Lateral Sclerosis, Hereditary Spastic Paraplegia and Amyotrophic Lateral Sclerosis",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Primary Lateral Sclerosis",
        "Hereditary Spastic Paraplegia",
        "Amyotrophic Lateral Sclerosis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Neurological Disorders and Stroke (NINDS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 55,
      "start_date": "2001-08",
      "completion_date": "2003-08",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-06-10T14:34:06.578Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00023075"
    },
    {
      "nct_id": "NCT00076843",
      "title": "Hu Mik-Beta-1 to Treat HTLV-1-Associated Myelopathy/Tropical Spastic Paraparesis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HTLV-1"
      ],
      "interventions": [
        {
          "name": "Hu MiK-Beta-1",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Neurological Disorders and Stroke (NINDS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 9,
      "start_date": "2004-02-03",
      "completion_date": "2019-06-25",
      "has_results": false,
      "last_update_posted_date": "2019-06-27",
      "last_synced_at": "2026-06-10T14:34:06.578Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00076843"
    },
    {
      "nct_id": "NCT00001156",
      "title": "Assessment of Patients With Multiple Sclerosis (MS)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Herpesviridae Infection",
        "HTLV-I Infection",
        "Multiple Sclerosis",
        "Tropical Spastic Paraparesis",
        "Vasculitis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Neurological Disorders and Stroke (NINDS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 1388,
      "start_date": "1976-01-23",
      "completion_date": "2010-02-01",
      "has_results": false,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-06-10T14:34:06.578Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001156"
    },
    {
      "nct_id": "NCT00001785",
      "title": "Recombinant Human Interferon Beta-1a (Avonex) for the Treatment of Patients With HTLV-1-Associated Myelopathy (HAM)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HTLV-I Infection",
        "Spinal Cord Disease",
        "Tropical Spastic Paraparesis"
      ],
      "interventions": [
        {
          "name": "Recombinant human interferon beta-1a",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Neurological Disorders and Stroke (NINDS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 12,
      "start_date": "1998-09",
      "completion_date": "2004-09",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-06-10T14:34:06.578Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001785"
    },
    {
      "nct_id": "NCT06059872",
      "title": "Biomarkers of Reaction To HIIT Exercise",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stroke",
        "Stroke Rehabilitation",
        "Lower Extremity Weakness, Spastic",
        "Walking, Difficulty"
      ],
      "interventions": [
        {
          "name": "High Intensity Interval Training (HIIT)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "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": 55,
      "start_date": "2024-01-01",
      "completion_date": "2027-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-03-27",
      "last_synced_at": "2026-06-10T14:34:06.578Z",
      "location_count": 1,
      "location_summary": "Decatur, Georgia",
      "locations": [
        {
          "city": "Decatur",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06059872"
    },
    {
      "nct_id": "NCT01867320",
      "title": "Raltegravir for HAM/TSP",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "HTLV-I Infection"
      ],
      "interventions": [
        {
          "name": "Raltegravir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Neurological Disorders and Stroke (NINDS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 19,
      "start_date": "2013-09-05",
      "completion_date": "2018-09-25",
      "has_results": false,
      "last_update_posted_date": "2023-03-30",
      "last_synced_at": "2026-06-10T14:34:06.578Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01867320"
    },
    {
      "nct_id": "NCT04437251",
      "title": "Effect of Brain Stimulation on Stepping Performance in Stroke Survivors and Healthy Adults",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vascular Accident, Brain",
        "CVA (Cerebrovascular Accident)",
        "Gait, Hemiplegic",
        "Spastic Lower Extremity Weakness"
      ],
      "interventions": [
        {
          "name": "Transcranial direct current stimulation (tDCS)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Texas Woman's University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "21 Years to 90 Years"
      },
      "enrollment_count": 180,
      "start_date": "2014-09-26",
      "completion_date": "2024-12-31",
      "has_results": false,
      "last_update_posted_date": "2020-06-18",
      "last_synced_at": "2026-06-10T14:34:06.578Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04437251"
    },
    {
      "nct_id": "NCT00677768",
      "title": "Validation of Biomarkers in Amyotrophic Lateral Sclerosis (ALS)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Amyotrophic Lateral Sclerosis",
        "Lou Gehrig's Disease",
        "Primary Lateral Sclerosis",
        "Nervous System Diseases",
        "Hereditary Spastic Paraparesis"
      ],
      "interventions": [
        {
          "name": "No intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "30 Years to 80 Years"
      },
      "enrollment_count": 475,
      "start_date": "2008-04",
      "completion_date": "2015-11",
      "has_results": false,
      "last_update_posted_date": "2016-06-03",
      "last_synced_at": "2026-06-10T14:34:06.578Z",
      "location_count": 29,
      "location_summary": "Phoenix, Arizona • Orange, California • Jacksonville, Florida + 24 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00677768"
    },
    {
      "nct_id": "NCT06948019",
      "title": "Safety and Efficacy of AAV9/AP4B1 (BFB-101) For Patients With AP4B1-related Hereditary Spastic Paraplegia Type 47 (SPG47)",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "HSP",
        "Hereditary Spastic Paraplegia",
        "Hereditary Spastic Paraparesis",
        "Hereditary Spastic Paraplegia Type 50",
        "Hereditary Spastic Paraplegia Type 47",
        "Hereditary Spastic Paraplegia Type 51",
        "Hereditary Spastic Paraplegia Type 52",
        "SPG47",
        "AP4B1",
        "Neurogenetic Disorders",
        "Neurodevelopmental Conditions",
        "Movement Disorders",
        "Gene Therapy"
      ],
      "interventions": [
        {
          "name": "BFB-101 (AAV9-CBh-AP4B1)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "BlackfinBio Ltd",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Months",
        "maximum_age": "60 Months",
        "sex": "ALL",
        "summary": "12 Months to 60 Months"
      },
      "enrollment_count": 5,
      "start_date": "2025-08",
      "completion_date": "2032-08",
      "has_results": false,
      "last_update_posted_date": "2025-04-28",
      "last_synced_at": "2026-06-10T14:34:06.578Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06948019"
    }
  ]
}