{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Alteration+of+Cognitive+Function",
    "query": {
      "condition": "Alteration of Cognitive Function"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 141,
    "total_pages": 15,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Alteration+of+Cognitive+Function&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-10T13:59:08.196Z",
  "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": "NCT03869489",
      "title": "Decision Making in Video Games",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cognitive Change"
      ],
      "interventions": [
        {
          "name": "Anodal left dorsolateral prefrontal cortex tDCS stimulation",
          "type": "DEVICE"
        },
        {
          "name": "Anodal right dorsolateral prefrontal cortex tDCS stimulation",
          "type": "DEVICE"
        },
        {
          "name": "Sham tDCS stimulation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Tufts University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 0,
      "start_date": "2019-11",
      "completion_date": "2020-04",
      "has_results": false,
      "last_update_posted_date": "2019-09-04",
      "last_synced_at": "2026-06-10T13:59:08.196Z",
      "location_count": 1,
      "location_summary": "Medford, Massachusetts",
      "locations": [
        {
          "city": "Medford",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03869489"
    },
    {
      "nct_id": "NCT05177679",
      "title": "Enhancing Children's Cognitive Function and Achievement Through Carotenoid Consumption",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cognitive Change",
        "Achievement",
        "Macular Pigmentation"
      ],
      "interventions": [
        {
          "name": "Active supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo control",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Illinois at Urbana-Champaign",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "10 Years",
        "sex": "ALL",
        "summary": "8 Years to 10 Years"
      },
      "enrollment_count": 288,
      "start_date": "2022-06-23",
      "completion_date": "2026-04-30",
      "has_results": false,
      "last_update_posted_date": "2023-04-27",
      "last_synced_at": "2026-06-10T13:59:08.196Z",
      "location_count": 1,
      "location_summary": "Urbana, Illinois",
      "locations": [
        {
          "city": "Urbana",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05177679"
    },
    {
      "nct_id": "NCT03903250",
      "title": "Effects of A-GPC on Reaction Time and Cognitive Function",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cognitive Change",
        "Reaction Time"
      ],
      "interventions": [
        {
          "name": "A-GPC",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Sugar",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Mary Hardin-Baylor",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 18,
      "start_date": "2019-03-25",
      "completion_date": "2020-09-18",
      "has_results": false,
      "last_update_posted_date": "2020-11-12",
      "last_synced_at": "2026-06-10T13:59:08.196Z",
      "location_count": 1,
      "location_summary": "Belton, Texas",
      "locations": [
        {
          "city": "Belton",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03903250"
    },
    {
      "nct_id": "NCT03901105",
      "title": "Evaluation of Flortaucipir PET Signal and Cognitive Change in Early Alzheimer's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Alzheimer Disease"
      ],
      "interventions": [
        {
          "name": "flortaucipir F18",
          "type": "DRUG"
        },
        {
          "name": "Brain PET Scan",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Avid Radiopharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "55 Years to 85 Years"
      },
      "enrollment_count": 205,
      "start_date": "2019-03-28",
      "completion_date": "2019-04-28",
      "has_results": true,
      "last_update_posted_date": "2020-08-28",
      "last_synced_at": "2026-06-10T13:59:08.196Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03901105"
    },
    {
      "nct_id": "NCT03807934",
      "title": "Cerebral Excitability and Cognitive Performance",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cognitive Change"
      ],
      "interventions": [
        {
          "name": "Stimulation via Soterix Medical or Neuroelectrics noninvasive brain stimulation systems",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Tufts 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": 1500,
      "start_date": "2013-04-15",
      "completion_date": "2023-04-14",
      "has_results": false,
      "last_update_posted_date": "2021-04-05",
      "last_synced_at": "2026-06-10T13:59:08.196Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03807934"
    },
    {
      "nct_id": "NCT06191965",
      "title": "MitoQ for Early-phase Schizophrenia-spectrum Disorder and Mitochondrial Dysfunction",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Schizophrenia and Related Disorders",
        "Mitochondrial Alteration",
        "Cognitive Impairment"
      ],
      "interventions": [
        {
          "name": "MitoQ",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mclean Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 100,
      "start_date": "2024-06-01",
      "completion_date": "2027-01-31",
      "has_results": false,
      "last_update_posted_date": "2025-09-25",
      "last_synced_at": "2026-06-10T13:59:08.196Z",
      "location_count": 2,
      "location_summary": "New Haven, Connecticut • Belmont, Massachusetts",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Belmont",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06191965"
    },
    {
      "nct_id": "NCT01571427",
      "title": "Conversations as a Means to Delay the Onset of Alzheimer's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Mild Cognitive Impairment",
        "Cognitive Change"
      ],
      "interventions": [
        {
          "name": "Active social engagement group",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control group",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Oregon Health and Science University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "70 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "70 Years and older"
      },
      "enrollment_count": 83,
      "start_date": "2012-02",
      "completion_date": "2013-09",
      "has_results": true,
      "last_update_posted_date": "2020-02-05",
      "last_synced_at": "2026-06-10T13:59:08.196Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01571427"
    },
    {
      "nct_id": "NCT05497427",
      "title": "Normative Database and Test-Retest Reliability for BrainCheck Assessments",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cognitive Change",
        "Cognitive Decline",
        "Cognitive Deterioration",
        "Neurocognitive Deficit"
      ],
      "interventions": [
        {
          "name": "BrainCheck Assessment",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "BrainCheck, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 1300,
      "start_date": "2022-10-10",
      "completion_date": "2025-10-17",
      "has_results": false,
      "last_update_posted_date": "2026-01-02",
      "last_synced_at": "2026-06-10T13:59:08.196Z",
      "location_count": 5,
      "location_summary": "Palo Alto, California • Multiple Locations, Connecticut • Austin, Texas + 2 more",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Multiple Locations",
          "state": "Connecticut"
        },
        {
          "city": "Austin",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05497427"
    },
    {
      "nct_id": "NCT04843930",
      "title": "Improving Cognitive Health in COVID-19 Survivors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cognitive Dysfunction",
        "Covid19"
      ],
      "interventions": [
        {
          "name": "AKL-T01",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 110,
      "start_date": "2021-07-13",
      "completion_date": "2023-04-26",
      "has_results": true,
      "last_update_posted_date": "2024-02-29",
      "last_synced_at": "2026-06-10T13:59:08.196Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04843930"
    },
    {
      "nct_id": "NCT06437405",
      "title": "Resistance Exercise Plus Vinegar Ingestion on Biomarkers in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "LPS",
        "Mood Disorders",
        "Cognitive Change"
      ],
      "interventions": [
        {
          "name": "Vinegar liquid",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "vinegar pill",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Arizona State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 29,
      "start_date": "2024-05-22",
      "completion_date": "2025-02-15",
      "has_results": false,
      "last_update_posted_date": "2025-04-09",
      "last_synced_at": "2026-06-10T13:59:08.196Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06437405"
    }
  ]
}