{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cognitive+Function+Decline&page=3",
    "query": {
      "condition": "Cognitive Function Decline",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 303,
    "total_pages": 31,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cognitive+Function+Decline&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cognitive+Function+Decline&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-22T22:29:15.599Z",
  "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": "NCT03475316",
      "title": "Movement Intervention for Memory Enhancement",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Alzheimer Disease",
        "Dementia",
        "Cognitive Decline",
        "Cognitive Impairment",
        "Dementia, Alzheimer Type"
      ],
      "interventions": [
        {
          "name": "Social Dancing",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Treadmill Walking",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Albert Einstein College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 25,
      "start_date": "2019-03-28",
      "completion_date": "2020-06-30",
      "has_results": true,
      "last_update_posted_date": "2021-08-16",
      "last_synced_at": "2026-10-22T22:29:15.599Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03475316"
    },
    {
      "nct_id": "NCT03234478",
      "title": "Parkinson Disease and DBS: Cognitive Effects in GBA Mutation Carriers",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Parkinson",
        "Parkinson Disease",
        "Genetic Predisposition",
        "GBA Gene Mutation",
        "Cognitive Decline"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Rutgers, The State University of New Jersey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "30 Years to 75 Years"
      },
      "enrollment_count": 150,
      "start_date": "2017-07-01",
      "completion_date": "2024-06-30",
      "has_results": true,
      "last_update_posted_date": "2026-07-29",
      "last_synced_at": "2026-10-22T22:29:15.599Z",
      "location_count": 1,
      "location_summary": "New Brunswick, New Jersey",
      "locations": [
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03234478"
    },
    {
      "nct_id": "NCT03733418",
      "title": "Vitamin D to Improve Outcomes by Leveraging Early Treatment: Long-term Brain Outcomes in Vitamin D Deficient Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cognitive Decline"
      ],
      "interventions": [
        {
          "name": "540,000 IU vitamin D3",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 95,
      "start_date": "2018-11-01",
      "completion_date": "2020-02-21",
      "has_results": true,
      "last_update_posted_date": "2024-10-21",
      "last_synced_at": "2026-10-22T22:29:15.599Z",
      "location_count": 7,
      "location_summary": "Aurora, Colorado • Boston, Massachusetts • New York, New York + 3 more",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03733418"
    },
    {
      "nct_id": "NCT01867346",
      "title": "Early Markers of Cognitive Change and Alzheimer s Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Alzheimer's Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute on Aging (NIA)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 2850,
      "start_date": "2003-03-19",
      "completion_date": "2015-01-02",
      "has_results": false,
      "last_update_posted_date": "2018-04-05",
      "last_synced_at": "2026-10-22T22:29:15.599Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01867346"
    },
    {
      "nct_id": "NCT07646782",
      "title": "Human Observatory Study",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Aging",
        "Mortality",
        "All-cause Mortality",
        "Life Expectancy",
        "Cardiovascular Diseases",
        "Neoplasms",
        "Cognitive Dysfunction",
        "Metabolic Syndrome",
        "Frailty",
        "Musculoskeletal Disease",
        "Neurodegenerative Disease",
        "Dementia",
        "Activities of Daily Living",
        "Health Related Quality of Life",
        "Environmental Exposure",
        "Occupational Diseases",
        "Health Equity",
        "Social Determinants of Health",
        "Physical Disability"
      ],
      "interventions": [
        {
          "name": "Multi-Domain Ecological and Clinical Data Linkage",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Longevity Metrics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1000000,
      "start_date": "2026-04-25",
      "completion_date": "2099-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-08",
      "last_synced_at": "2026-10-22T22:29:15.599Z",
      "location_count": 1,
      "location_summary": "Boulder, Colorado",
      "locations": [
        {
          "city": "Boulder",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07646782"
    },
    {
      "nct_id": "NCT01206062",
      "title": "Systolic Blood Pressure Intervention Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Intensive control of SBP",
          "type": "DRUG"
        },
        {
          "name": "Standard control of SBP",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 9361,
      "start_date": "2010-10",
      "completion_date": "2019-03",
      "has_results": true,
      "last_update_posted_date": "2021-01-08",
      "last_synced_at": "2026-10-22T22:29:15.599Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01206062"
    },
    {
      "nct_id": "NCT04800588",
      "title": "Computerized Tests of Cognitive Decline in Presymptomatic Alzheimer's Disease",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Alzheimer Disease",
        "Cognitive Decline",
        "Aging"
      ],
      "interventions": [
        {
          "name": "California Cognitive Assessment Battery",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Neurobehavioral Systems, 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": 2000,
      "start_date": "2021-05-05",
      "completion_date": "2027-03-31",
      "has_results": false,
      "last_update_posted_date": "2025-05-22",
      "last_synced_at": "2026-10-22T22:29:15.599Z",
      "location_count": 1,
      "location_summary": "Berkeley, California",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04800588"
    },
    {
      "nct_id": "NCT00938665",
      "title": "Evaluation of a Handheld Event Related Potential (ERP)/Quantitative Electroencephalography (qEEG) System (COGNISION™) as a Useful Cognitive Biomarker for Alzheimer's Disease.",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Memory Disorders",
        "Alzheimer Disease",
        "Dementia",
        "Cognitive Impairment",
        "Frontotemporal Dementia"
      ],
      "interventions": [
        {
          "name": "COGNISION™ System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Neuronetrix, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "60 Years to 90 Years"
      },
      "enrollment_count": 204,
      "start_date": "2010-12",
      "completion_date": "2014-02",
      "has_results": false,
      "last_update_posted_date": "2014-03-10",
      "last_synced_at": "2026-10-22T22:29:15.599Z",
      "location_count": 7,
      "location_summary": "West Palm Beach, Florida • Lexington, Kentucky • Louisville, Kentucky + 4 more",
      "locations": [
        {
          "city": "West Palm Beach",
          "state": "Florida"
        },
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "Brookline",
          "state": "Massachusetts"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00938665"
    },
    {
      "nct_id": "NCT01492335",
      "title": "Cognitive Assessment of Elderly Primary Care Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Mild Cognitive Impairment"
      ],
      "interventions": [
        {
          "name": "Cognitive Report",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Treatment As Usual",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 524,
      "start_date": "2006-01",
      "completion_date": "2012-08",
      "has_results": false,
      "last_update_posted_date": "2016-01-14",
      "last_synced_at": "2026-10-22T22:29:15.599Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01492335"
    },
    {
      "nct_id": "NCT03223883",
      "title": "Curcumin and Vascular and Cognitive Function in Patients With Chronic Kidney Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Kidney Diseases",
        "Cognitive Decline"
      ],
      "interventions": [
        {
          "name": "Curcumin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Diana Jalal",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "74 Years",
        "sex": "ALL",
        "summary": "45 Years to 74 Years"
      },
      "enrollment_count": 94,
      "start_date": "2018-06-01",
      "completion_date": "2023-01-25",
      "has_results": true,
      "last_update_posted_date": "2024-10-08",
      "last_synced_at": "2026-10-22T22:29:15.599Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03223883"
    }
  ]
}