{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Cognitive+Test&page=29",
    "query": {
      "intervention": "Cognitive Test",
      "page": 29
    },
    "page_size": 10
  },
  "pagination": {
    "page": 29,
    "page_size": 10,
    "total_count": 1073,
    "total_pages": 108,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Cognitive+Test&page=30&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Cognitive+Test&page=28&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-03T06:09:22.454Z",
  "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": "NCT02922634",
      "title": "Preoperative Cognitive Screening in Older Spinal Surgical Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cognitive Impairment",
        "Frail Elderly Syndrome"
      ],
      "interventions": [
        {
          "name": "Mini Cog",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "70 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "70 Years and older"
      },
      "enrollment_count": 229,
      "start_date": "2017-04-17",
      "completion_date": "2019-06-09",
      "has_results": true,
      "last_update_posted_date": "2021-07-21",
      "last_synced_at": "2026-11-03T06:09:22.454Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02922634"
    },
    {
      "nct_id": "NCT03533764",
      "title": "Rural Asthma Effectiveness Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "ASMA",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "13 Years and older"
      },
      "enrollment_count": 359,
      "start_date": "2018-11-18",
      "completion_date": "2024-01-19",
      "has_results": false,
      "last_update_posted_date": "2024-08-09",
      "last_synced_at": "2026-11-03T06:09:22.454Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03533764"
    },
    {
      "nct_id": "NCT03709199",
      "title": "Long Term Follow up of Children Enrolled in the REDvent Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Respiratory Distress Syndrome, Adult",
        "Ventilator-Induced Lung Injury",
        "Neurocognitive Dysfunction",
        "Quality of Life",
        "Respiration Disorders"
      ],
      "interventions": [
        {
          "name": "Ventilation Inhomogeneity",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Diaphragm Ultrasound",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Respiratory Inductance Plethysmography",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Spirometry",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Functional Residual Capacity",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "MIP/MEP",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "6 minute walk test",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Neurocognitive Testing",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Emotional Health Assessment",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Health Related Quality of Life",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Functional Status",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Respiratory Status Questionnaire",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Children's Hospital Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Month",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "1 Month to 18 Years"
      },
      "enrollment_count": 176,
      "start_date": "2018-10-01",
      "completion_date": "2026-05-01",
      "has_results": false,
      "last_update_posted_date": "2025-04-17",
      "last_synced_at": "2026-11-03T06:09:22.454Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03709199"
    },
    {
      "nct_id": "NCT05782348",
      "title": "Evaluating the Effectiveness of a Cognitive Behavioral Intervention (CBI)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Adolescent Behavior",
        "Dental Plaque",
        "Gingivitis",
        "Cognitive Change"
      ],
      "interventions": [
        {
          "name": "Cognitive behavioral intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Colgate smart toothbrush",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Howard University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "14 Years to 17 Years"
      },
      "enrollment_count": 150,
      "start_date": "2023-08-06",
      "completion_date": "2025-02-28",
      "has_results": false,
      "last_update_posted_date": "2025-04-29",
      "last_synced_at": "2026-11-03T06:09:22.454Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05782348"
    },
    {
      "nct_id": "NCT05159869",
      "title": "User-Led Meaningful Activity and Early-Stage Dementia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dementia"
      ],
      "interventions": [
        {
          "name": "User-Led Meaningful Activity Plan",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 61,
      "start_date": "2022-01-24",
      "completion_date": "2024-06-21",
      "has_results": true,
      "last_update_posted_date": "2026-01-12",
      "last_synced_at": "2026-11-03T06:09:22.454Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05159869"
    },
    {
      "nct_id": "NCT03862222",
      "title": "Atlas of Retinal Imaging in Alzheimer's Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Alzheimer Disease",
        "Mild Cognitive Impairment",
        "Mild Dementia",
        "Aging",
        "Cognitive Change"
      ],
      "interventions": [
        {
          "name": "Retinal Imaging",
          "type": "OTHER"
        },
        {
          "name": "Pupillometry",
          "type": "OTHER"
        },
        {
          "name": "Contrast Sensitivity",
          "type": "OTHER"
        },
        {
          "name": "Neuropsychological Evaluation",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "APOE genotyping",
          "type": "GENETIC"
        },
        {
          "name": "blood draw",
          "type": "OTHER"
        },
        {
          "name": "Gait Assessment",
          "type": "OTHER"
        },
        {
          "name": "Actigraphy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DIAGNOSTIC_TEST",
        "GENETIC"
      ],
      "sponsor": "University of Rhode Island",
      "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": 165,
      "start_date": "2019-12-16",
      "completion_date": "2025-05-31",
      "has_results": false,
      "last_update_posted_date": "2025-06-05",
      "last_synced_at": "2026-11-03T06:09:22.454Z",
      "location_count": 4,
      "location_summary": "Clearwater, Florida • St. Petersburg, Florida • Kingston, Rhode Island + 1 more",
      "locations": [
        {
          "city": "Clearwater",
          "state": "Florida"
        },
        {
          "city": "St. Petersburg",
          "state": "Florida"
        },
        {
          "city": "Kingston",
          "state": "Rhode Island"
        },
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03862222"
    },
    {
      "nct_id": "NCT02162329",
      "title": "Effects of Meditation on Cognitive Function and Quality of Life",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Questionnaires",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Electroencephalography (EEG)",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging (fMRI",
          "type": "PROCEDURE"
        },
        {
          "name": "Meditation Classes",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "PROCEDURE"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "35 Years to 65 Years · Female only"
      },
      "enrollment_count": 35,
      "start_date": "2013-10-22",
      "completion_date": "2022-10-18",
      "has_results": false,
      "last_update_posted_date": "2022-10-20",
      "last_synced_at": "2026-11-03T06:09:22.454Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02162329"
    },
    {
      "nct_id": "NCT01498549",
      "title": "Cognitive Effects of Atomoxetine in Humans: Genetic Moderators",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Addiction"
      ],
      "interventions": [
        {
          "name": "Atomoxetine",
          "type": "DRUG"
        },
        {
          "name": "Sugar Pill",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "21 Years to 50 Years"
      },
      "enrollment_count": 35,
      "start_date": "2011-12",
      "completion_date": "2013-07",
      "has_results": true,
      "last_update_posted_date": "2017-07-11",
      "last_synced_at": "2026-11-03T06:09:22.454Z",
      "location_count": 1,
      "location_summary": "West Haven, Connecticut",
      "locations": [
        {
          "city": "West Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01498549"
    },
    {
      "nct_id": "NCT00300638",
      "title": "Alcoholism: Emotion and Thinking",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Alcoholism"
      ],
      "interventions": [
        {
          "name": "Magnetic Resonance Imaging (MRI)",
          "type": "PROCEDURE"
        },
        {
          "name": "Interviews, cognitive tests, and emotional measurements",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BEHAVIORAL"
      ],
      "sponsor": "Boston University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "76 Years",
        "sex": "ALL",
        "summary": "25 Years to 76 Years"
      },
      "enrollment_count": 599,
      "start_date": "2001-08",
      "completion_date": "2020-02-21",
      "has_results": false,
      "last_update_posted_date": "2021-07-21",
      "last_synced_at": "2026-11-03T06:09:22.454Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00300638"
    },
    {
      "nct_id": "NCT03899844",
      "title": "Study to Evaluate Amyloid in Blood and Imaging Related to Dementia",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Alzheimer Disease",
        "Alzheimer Dementia"
      ],
      "interventions": [
        {
          "name": "Blood collection, PiB PET/MRI, and cognitive testing",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 1122,
      "start_date": "2019-04-09",
      "completion_date": "2024-01-31",
      "has_results": false,
      "last_update_posted_date": "2024-02-13",
      "last_synced_at": "2026-11-03T06:09:22.454Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03899844"
    }
  ]
}