{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=MAPT+Gene+Mutation",
    "query": {
      "condition": "MAPT Gene Mutation"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 3,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-26T04:48:56.738Z",
  "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": "NCT04363684",
      "title": "ARTFL LEFFTDS Longitudinal Frontotemporal Lobar Degeneration (ALLFTD)",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Frontotemporal Lobar Degeneration (FTLD)",
        "Progressive Supranuclear Palsy (PSP)",
        "Corticobasal Degeneration (CBD)",
        "Behavioral Variant Frontotemporal Dementia (bvFTD)",
        "Semantic Variant Primary Progressive Aphasia (svPPA)",
        "Nonfluent Variant Primary Progressive Aphasia (nfvPPA)",
        "FTD With Amyotrophic Lateral Sclerosis (FTD/ALS)",
        "Amyotrophic Lateral Sclerosis",
        "Oligosymptomatic PSP (oPSP)",
        "C9orf72",
        "GRN Related Frontotemporal Dementia",
        "MAPT Gene Mutation",
        "TBK1 Gene Mutation",
        "Oligosymptomatic Progressive Supranuclear Palsy"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2100,
      "start_date": "2020-03-01",
      "completion_date": "2026-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-07-11",
      "last_synced_at": "2026-06-26T04:48:56.738Z",
      "location_count": 25,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • San Diego, California + 21 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04363684"
    },
    {
      "nct_id": "NCT03658135",
      "title": "BIIB092 in Primary Tauopathies: CBS, nfvPPA, sMAPT, and TES",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Primary Tauopathies",
        "Corticobasal Degeneration Syndrome",
        "Frontotemporal Lobar Degeneration With Tau Inclusions",
        "MAPT Mutation Carriers, Symptomatic",
        "Traumatic Encephalopathy Syndrome",
        "Nonfluent Aphasia, Progressive"
      ],
      "interventions": [
        {
          "name": "BIIB092",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "35 Years to 80 Years"
      },
      "enrollment_count": 22,
      "start_date": "2018-09-12",
      "completion_date": "2019-12-13",
      "has_results": false,
      "last_update_posted_date": "2019-12-19",
      "last_synced_at": "2026-06-26T04:48:56.738Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03658135"
    },
    {
      "nct_id": "NCT03545126",
      "title": "Human CNS Tau Kinetics in Tauopathies",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Progressive Supranuclear Palsy (PSP)",
        "Corticobasal Degeneration (CBD)",
        "Frontotemporal Dementia (FTD MAPT Mutation)"
      ],
      "interventions": [
        {
          "name": "13C6 Leucine",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 27,
      "start_date": "2017-08-21",
      "completion_date": "2022-03-04",
      "has_results": false,
      "last_update_posted_date": "2022-04-13",
      "last_synced_at": "2026-06-26T04:48:56.738Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03545126"
    }
  ]
}