{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Early+Preclinical+Alzheimer%27s+Disease",
    "query": {
      "condition": "Early Preclinical Alzheimer's Disease"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 6,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-26T13:51:33.384Z",
  "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": "NCT04928976",
      "title": "Amyloid Prediction in Early Stage Alzheimer's Disease Through Speech Phenotyping",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Alzheimer Disease",
        "Preclinical Alzheimer's Disease",
        "Prodromal Alzheimer's Disease",
        "Alzheimer's Disease (Incl Subtypes)",
        "Mild Cognitive Impairment"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Novoic Limited",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "50 Years to 85 Years"
      },
      "enrollment_count": 67,
      "start_date": "2021-01-22",
      "completion_date": "2021-07-30",
      "has_results": false,
      "last_update_posted_date": "2021-09-05",
      "last_synced_at": "2026-06-26T13:51:33.384Z",
      "location_count": 1,
      "location_summary": "Santa Ana, California",
      "locations": [
        {
          "city": "Santa Ana",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04928976"
    },
    {
      "nct_id": "NCT06416072",
      "title": "Alzheimer's Plasma Extension",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Preclinical Alzheimer's Disease",
        "Early Preclinical Alzheimer's Disease"
      ],
      "interventions": [
        {
          "name": "NAV4694",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "55 Years to 80 Years"
      },
      "enrollment_count": 1000,
      "start_date": "2023-09-21",
      "completion_date": "2028-06",
      "has_results": false,
      "last_update_posted_date": "2025-06-10",
      "last_synced_at": "2026-06-26T13:51:33.384Z",
      "location_count": 56,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Sun City, Arizona + 48 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Sun City",
          "state": "Arizona"
        },
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06416072"
    },
    {
      "nct_id": "NCT04468659",
      "title": "AHEAD 3-45 Study: A Study to Evaluate Efficacy and Safety of Treatment With Lecanemab in Participants With Preclinical Alzheimer's Disease and Elevated Amyloid and Also in Participants With Early Preclinical Alzheimer's Disease and Intermediate Amyloid",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Preclinical Alzheimer's Disease",
        "Early Preclinical Alzheimer's Disease"
      ],
      "interventions": [
        {
          "name": "Lecanemab",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eisai Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "55 Years to 80 Years"
      },
      "enrollment_count": 1400,
      "start_date": "2020-07-14",
      "completion_date": "2031-01-16",
      "has_results": false,
      "last_update_posted_date": "2026-06-04",
      "last_synced_at": "2026-06-26T13:51:33.384Z",
      "location_count": 72,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Sun City, Arizona + 61 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Sun City",
          "state": "Arizona"
        },
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04468659"
    },
    {
      "nct_id": "NCT04733989",
      "title": "A Biomarker Database to Investigate Blood-Based and Digital Biomarkers in Participants Screened for Alzheimer's Disease (Bio-Hermes)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Alzheimer Disease",
        "Alzheimer Disease, Early Onset",
        "Mild Cognitive Impairment",
        "Memory Loss",
        "Memory Disorders",
        "Memory Impairment"
      ],
      "interventions": [
        {
          "name": "Biomarker Data Collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "GAP Innovations, PBC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "60 Years to 85 Years"
      },
      "enrollment_count": 1002,
      "start_date": "2021-04-21",
      "completion_date": "2022-11-11",
      "has_results": false,
      "last_update_posted_date": "2023-02-09",
      "last_synced_at": "2026-06-26T13:51:33.384Z",
      "location_count": 16,
      "location_summary": "Aventura, Florida • Coral Gables, Florida • Lady Lake, Florida + 13 more",
      "locations": [
        {
          "city": "Aventura",
          "state": "Florida"
        },
        {
          "city": "Coral Gables",
          "state": "Florida"
        },
        {
          "city": "Lady Lake",
          "state": "Florida"
        },
        {
          "city": "Lake Worth",
          "state": "Florida"
        },
        {
          "city": "Maitland",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04733989"
    },
    {
      "nct_id": "NCT04937959",
      "title": "Amyloid Prediction in Early Stage Alzheimer's Disease Through Speech Phenotyping - PAST Extension",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Alzheimer Disease",
        "Alzheimer's Disease (Incl Subtypes)",
        "Preclinical Alzheimer's Disease",
        "Prodromal Alzheimer's Disease",
        "Mild Cognitive Impairment",
        "Normal Cognition"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Novoic Limited",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "50 Years to 85 Years"
      },
      "enrollment_count": 40,
      "start_date": "2021-01-22",
      "completion_date": "2022-08-30",
      "has_results": false,
      "last_update_posted_date": "2022-04-07",
      "last_synced_at": "2026-06-26T13:51:33.384Z",
      "location_count": 1,
      "location_summary": "Santa Ana, California",
      "locations": [
        {
          "city": "Santa Ana",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04937959"
    },
    {
      "nct_id": "NCT04951284",
      "title": "Amyloid Prediction in Early Stage Alzheimer's Disease Through Speech Phenotyping - FUTURE Extension",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Alzheimer Disease",
        "Preclinical Alzheimer's Disease",
        "Prodromal Alzheimer's Disease",
        "Alzheimer's Disease (Incl Subtypes)",
        "Mild Cognitive Impairment"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Novoic Limited",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "50 Years to 85 Years"
      },
      "enrollment_count": 42,
      "start_date": "2021-01-21",
      "completion_date": "2024-05-28",
      "has_results": false,
      "last_update_posted_date": "2024-06-14",
      "last_synced_at": "2026-06-26T13:51:33.384Z",
      "location_count": 1,
      "location_summary": "Santa Ana, California",
      "locations": [
        {
          "city": "Santa Ana",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04951284"
    }
  ]
}