{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cognition+Function&page=6",
    "query": {
      "condition": "Cognition Function",
      "page": 6
    },
    "page_size": 10
  },
  "pagination": {
    "page": 6,
    "page_size": 10,
    "total_count": 870,
    "total_pages": 87,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cognition+Function&page=7&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cognition+Function&page=5&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-07T13:04:17.309Z",
  "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": "NCT01815567",
      "title": "DETECT and Retinal Outcomes in Hypertension",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hypertension",
        "Retinal Disorder",
        "Cognitive Impairment"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 234,
      "start_date": "2012-11",
      "completion_date": "2020-07-15",
      "has_results": false,
      "last_update_posted_date": "2021-05-07",
      "last_synced_at": "2026-11-07T13:04:17.309Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01815567"
    },
    {
      "nct_id": "NCT04496752",
      "title": "Reliability and Equivalence of Alternate Forms of the Digital Clock Drawing Test",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cognitive Function"
      ],
      "interventions": [
        {
          "name": "DCTclock",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Linus Health, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "95 Years",
        "sex": "ALL",
        "summary": "55 Years to 95 Years"
      },
      "enrollment_count": 200,
      "start_date": "2020-12-18",
      "completion_date": "2021-11-16",
      "has_results": true,
      "last_update_posted_date": "2025-03-07",
      "last_synced_at": "2026-11-07T13:04:17.309Z",
      "location_count": 2,
      "location_summary": "Maitland, Florida • Eatontown, New Jersey",
      "locations": [
        {
          "city": "Maitland",
          "state": "Florida"
        },
        {
          "city": "Eatontown",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04496752"
    },
    {
      "nct_id": "NCT00001918",
      "title": "L-5-HTP-Related EMS",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Eosinophilia-Myalgia Syndrome"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Mental Health (NIMH)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 20,
      "start_date": "1999-07",
      "completion_date": "2000-08",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-11-07T13:04:17.309Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001918"
    },
    {
      "nct_id": "NCT07883525",
      "title": "A Clinical Study to Evaluate the Effects of a Supplement on Cognitive Function",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cognition Improvement",
        "Cognition Function"
      ],
      "interventions": [
        {
          "name": "Necternal Supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Necternal LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 128,
      "start_date": "2026-08-01",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-10-20",
      "last_synced_at": "2026-11-07T13:04:17.309Z",
      "location_count": 1,
      "location_summary": "Las Vegas, Nevada",
      "locations": [
        {
          "city": "Las Vegas",
          "state": "Nevada"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07883525"
    },
    {
      "nct_id": "NCT00298558",
      "title": "ACTIVE: Advanced Cognitive Training for Independent and Vital Elderly",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Aging",
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Cognitive Training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Carelon Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 2832,
      "start_date": "1998-03",
      "completion_date": "2010-12",
      "has_results": true,
      "last_update_posted_date": "2014-04-16",
      "last_synced_at": "2026-11-07T13:04:17.309Z",
      "location_count": 7,
      "location_summary": "Birmingham, Alabama • Indianapolis, Indiana • Baltimore, Maryland + 4 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Cumberland",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00298558"
    },
    {
      "nct_id": "NCT04284137",
      "title": "FE-SaLiR: Function Improvement Exercise",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Disability Physical",
        "Cognitive Impairment"
      ],
      "interventions": [
        {
          "name": "Modified FE-SaLiR",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Unmodified Chinese Medicine Exercise",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Active Control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "The University of Texas at San Antonio",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2020-01-29",
      "completion_date": "2020-07-31",
      "has_results": false,
      "last_update_posted_date": "2020-02-25",
      "last_synced_at": "2026-11-07T13:04:17.309Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04284137"
    },
    {
      "nct_id": "NCT07533045",
      "title": "Effects of Paraxanthine Supplementation on eSport Performancre",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cognitive Function",
        "Gaming Performance"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Paraxanthine",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Lindenwood University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 60,
      "start_date": "2021-06-15",
      "completion_date": "2025-04-14",
      "has_results": false,
      "last_update_posted_date": "2026-04-16",
      "last_synced_at": "2026-11-07T13:04:17.309Z",
      "location_count": 1,
      "location_summary": "Saint Charles, Missouri",
      "locations": [
        {
          "city": "Saint Charles",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07533045"
    },
    {
      "nct_id": "NCT02300272",
      "title": "Health Behaviors and Time-of-Day: Older Adult Cognitive Function",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Alteration of Cognitive Function",
        "Ageing"
      ],
      "interventions": [
        {
          "name": "Polysomnograph",
          "type": "DEVICE"
        },
        {
          "name": "Actiwatch",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 88,
      "start_date": "2015-03",
      "completion_date": "2016-12",
      "has_results": false,
      "last_update_posted_date": "2019-12-13",
      "last_synced_at": "2026-11-07T13:04:17.309Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02300272"
    },
    {
      "nct_id": "NCT01229878",
      "title": "Vitamin D Supplementation in Kidney Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Renal Dialysis",
        "Vitamin D Deficiency"
      ],
      "interventions": [
        {
          "name": "Cholecalciferol (Vitamin D)",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "45 Years to 89 Years"
      },
      "enrollment_count": 20,
      "start_date": "2011-12-01",
      "completion_date": "2022-12-30",
      "has_results": true,
      "last_update_posted_date": "2025-08-22",
      "last_synced_at": "2026-11-07T13:04:17.309Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01229878"
    },
    {
      "nct_id": "NCT00105118",
      "title": "Effect of Transcranial Magnetic Stimulation on Memory",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy",
        "Healthy Volunteer",
        "HV"
      ],
      "interventions": [
        {
          "name": "Magstim Super Rapid Magnetic Stimulator",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "National Institute of Mental Health (NIMH)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 80,
      "start_date": "2005-03",
      "completion_date": "2006-02",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-11-07T13:04:17.309Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00105118"
    }
  ]
}