{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cognitive+Functioning&page=4",
    "query": {
      "condition": "Cognitive Functioning",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 1062,
    "total_pages": 107,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cognitive+Functioning&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cognitive+Functioning&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-19T03:56:44.250Z",
  "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": "NCT02471040",
      "title": "Brain Ketone Metabolism in Type 1 Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Type 1 Diabetes",
        "Hypoglycemia"
      ],
      "interventions": [
        {
          "name": "Beta-hydroxybutyrate",
          "type": "DRUG"
        },
        {
          "name": "Normal Saline",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Yale 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": 44,
      "start_date": "2013-05-14",
      "completion_date": "2022-04-04",
      "has_results": false,
      "last_update_posted_date": "2023-04-27",
      "last_synced_at": "2026-10-19T03:56:44.250Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02471040"
    },
    {
      "nct_id": "NCT06429293",
      "title": "Impact of Cognitive Behavioral Therapy on PTSD-CVD Link",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Posttraumatic Stress Disorder"
      ],
      "interventions": [
        {
          "name": "Cognitive processing therapy",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 6,
      "start_date": "2023-07-01",
      "completion_date": "2026-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-10-07",
      "last_synced_at": "2026-10-19T03:56:44.250Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06429293"
    },
    {
      "nct_id": "NCT05533658",
      "title": "The Effects of VisionPure™ on Indices of Vision Health and Cognitive Function",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Eye Health",
        "Vision",
        "Cognitive Function"
      ],
      "interventions": [
        {
          "name": "VisionPure Dietary Supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Applied Science & Performance Institute",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 15,
      "start_date": "2022-08-01",
      "completion_date": "2023-02-03",
      "has_results": false,
      "last_update_posted_date": "2023-05-26",
      "last_synced_at": "2026-10-19T03:56:44.250Z",
      "location_count": 3,
      "location_summary": "Lutz, Florida • Tampa, Florida",
      "locations": [
        {
          "city": "Lutz",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05533658"
    },
    {
      "nct_id": "NCT03354143",
      "title": "Hypertension, Intracranial Pulsatility and Brain Amyloid-beta Accumulation in Older Adults (HIPAC Trial)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Standard Care",
          "type": "OTHER"
        },
        {
          "name": "Intensive Treatment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "55 Years to 79 Years"
      },
      "enrollment_count": 85,
      "start_date": "2018-04-10",
      "completion_date": "2024-03-30",
      "has_results": true,
      "last_update_posted_date": "2025-07-02",
      "last_synced_at": "2026-10-19T03:56:44.250Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03354143"
    },
    {
      "nct_id": "NCT05462977",
      "title": "Rhythmically Entrained Exercise in Community-Dwelling Older Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Exercise",
        "Gait",
        "Cognitive Decline",
        "Caregiver Burden",
        "Cognitive Impairment",
        "Dementia",
        "Alzheimer Disease",
        "Mild Cognitive Impairment",
        "Respite Care",
        "Mental Health",
        "Depression",
        "Music Therapy",
        "Psychosocial Intervention",
        "Cognition",
        "Geriatric Assessment",
        "Cognitive Dysfunction",
        "Cognitive Aging",
        "Outcome Assessment, Health Care",
        "Balance",
        "Fall",
        "Walking",
        "Affect",
        "Physical Exertion",
        "Memory Deficit",
        "Memory Disorders",
        "Memory Impairment",
        "Neuropsychological Tests",
        "Executive Function",
        "Middle Aged",
        "Healthy Aging",
        "Elderly"
      ],
      "interventions": [
        {
          "name": "Group exercise program",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of North Carolina, Greensboro",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "55 Years to 99 Years"
      },
      "enrollment_count": 18,
      "start_date": "2022-05-01",
      "completion_date": "2023-09-30",
      "has_results": false,
      "last_update_posted_date": "2023-11-02",
      "last_synced_at": "2026-10-19T03:56:44.250Z",
      "location_count": 1,
      "location_summary": "Greensboro, North Carolina",
      "locations": [
        {
          "city": "Greensboro",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05462977"
    },
    {
      "nct_id": "NCT05483465",
      "title": "The Effect of NAD Supplementation on Brain Vascular Health in Aging",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Aging"
      ],
      "interventions": [
        {
          "name": "Nicotinamide riboside",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Oklahoma",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "60 Years to 85 Years"
      },
      "enrollment_count": 214,
      "start_date": "2023-05-03",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-04-01",
      "last_synced_at": "2026-10-19T03:56:44.250Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05483465"
    },
    {
      "nct_id": "NCT04100863",
      "title": "A Non-Interventional Pilot Study to Explore the Role of Gut Flora in Autism",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Autism",
        "Autism Spectrum Disorder",
        "Autistic Disorder",
        "Autism, Akinetic",
        "Autism; Atypical",
        "Autism; Psychopathy",
        "Autism Fragile Syndrome X",
        "Autism With High Cognitive Abilities",
        "Autism-Related Speech Delay",
        "Autism, Susceptibility to, 6",
        "Autism Spectrum Disorder High-Functioning",
        "Autistic Thinking",
        "Autism, Susceptibility to, X-Linked 6",
        "Autistic Behavior"
      ],
      "interventions": [
        {
          "name": "No Intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "ProgenaBiome",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "6 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2020-03-02",
      "completion_date": "2030-06",
      "has_results": false,
      "last_update_posted_date": "2025-06-05",
      "last_synced_at": "2026-10-19T03:56:44.250Z",
      "location_count": 1,
      "location_summary": "Ventura, California",
      "locations": [
        {
          "city": "Ventura",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04100863"
    },
    {
      "nct_id": "NCT02650687",
      "title": "Optimizing Postoperative Cognition the Elderly",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Postoperative Cognitive Dysfunction",
        "POCD"
      ],
      "interventions": [
        {
          "name": "Processed EEG",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 178,
      "start_date": "2015-10",
      "completion_date": "2019-11-14",
      "has_results": false,
      "last_update_posted_date": "2020-03-23",
      "last_synced_at": "2026-10-19T03:56:44.250Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02650687"
    },
    {
      "nct_id": "NCT01345864",
      "title": "Assessment Of The Effects Of Single Doses Of An Investigational Drug, Given Alone Or With Donepezil, On Scopolamine-Induced Changes In Memory And Learning In Healthy Adults",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Scopolamine + Donepezil Placebo + PF-04995274 Placebo",
          "type": "DRUG"
        },
        {
          "name": "Scopolamine + Donepezil 5 mg + PF-04995274 Placebo",
          "type": "DRUG"
        },
        {
          "name": "Scopolamine + Donepezil 10mg + PF-04995274 Placebo",
          "type": "DRUG"
        },
        {
          "name": "Scopolamine + Donepezil Placebo + PF-04995274 0.25 mg",
          "type": "DRUG"
        },
        {
          "name": "Scopolamine + Donepezil Placebo + PF-04995274 15 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 88,
      "start_date": "2011-05",
      "completion_date": "2011-08",
      "has_results": false,
      "last_update_posted_date": "2011-11-17",
      "last_synced_at": "2026-10-19T03:56:44.250Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01345864"
    },
    {
      "nct_id": "NCT00401921",
      "title": "A Study of the Effects of Minocycline on Cognitive Function After Carotid Endarterectomy",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Carotid Stenosis"
      ],
      "interventions": [
        {
          "name": "Minocycline",
          "type": "DRUG"
        },
        {
          "name": "Placebo oral capsule",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 0,
      "start_date": "2006-10",
      "completion_date": "2010-06",
      "has_results": false,
      "last_update_posted_date": "2017-07-14",
      "last_synced_at": "2026-10-19T03:56:44.250Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00401921"
    }
  ]
}