{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Cognitive+performance&page=18",
    "query": {
      "intervention": "Cognitive performance",
      "page": 18
    },
    "page_size": 10
  },
  "pagination": {
    "page": 18,
    "page_size": 10,
    "total_count": 479,
    "total_pages": 48,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Cognitive+performance&page=19&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Cognitive+performance&page=17&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-24T08:57:21.721Z",
  "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": "NCT00399698",
      "title": "Study to Determine Whether There Are Any Cognitive or Motor Effects From Taking the Medicine Risperidone.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Oppositional Defiant Disorder",
        "Conduct Disorder",
        "Attention Deficit/Hyperactivity Disorder (ADHD)",
        "Intermittent Explosive Disorder",
        "Impulse-Control Disorders",
        "Adjustment Disorder",
        "Bipolar Disorder",
        "Pervasive Developmental Disorder"
      ],
      "interventions": [
        {
          "name": "Risperdal",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "14 Years",
        "sex": "ALL",
        "summary": "4 Years to 14 Years"
      },
      "enrollment_count": 30,
      "start_date": "1999-05",
      "completion_date": "2005-06",
      "has_results": false,
      "last_update_posted_date": "2016-06-23",
      "last_synced_at": "2026-10-24T08:57:21.721Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00399698"
    },
    {
      "nct_id": "NCT07740616",
      "title": "Speed of Processing Training to Improve Cognitive Functioning and Driving Performance in Head and Neck Cancer Survivors",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Head and Neck Cancer (H&N)"
      ],
      "interventions": [
        {
          "name": "Speed of Processing Training",
          "type": "OTHER"
        },
        {
          "name": "Home-Based Sham Training",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "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": 30,
      "start_date": "2027-01-03",
      "completion_date": "2029-09",
      "has_results": false,
      "last_update_posted_date": "2026-10-02",
      "last_synced_at": "2026-10-24T08:57:21.721Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07740616"
    },
    {
      "nct_id": "NCT05446909",
      "title": "Preventing Cognitive Decline",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cognitive Decline"
      ],
      "interventions": [
        {
          "name": "IBMT mindfulness",
          "type": "BEHAVIORAL"
        },
        {
          "name": "health education",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Arizona State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "40 Years to 65 Years"
      },
      "enrollment_count": 40,
      "start_date": "2021-02-01",
      "completion_date": "2023-02-28",
      "has_results": true,
      "last_update_posted_date": "2024-10-29",
      "last_synced_at": "2026-10-24T08:57:21.721Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05446909"
    },
    {
      "nct_id": "NCT02518204",
      "title": "Validity of an Online Neurocognitive Test Battery, the Brain Performance Test (BPT), in Normal Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "BPT",
          "type": "OTHER"
        },
        {
          "name": "NP",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Lumos Labs, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "70 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "70 Years to 89 Years"
      },
      "enrollment_count": 229,
      "start_date": "2015-07",
      "completion_date": "2017-02-28",
      "has_results": false,
      "last_update_posted_date": "2017-05-25",
      "last_synced_at": "2026-10-24T08:57:21.721Z",
      "location_count": 3,
      "location_summary": "Garden Grove, California • Oakland, California • Torrance, California",
      "locations": [
        {
          "city": "Garden Grove",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Torrance",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02518204"
    },
    {
      "nct_id": "NCT07637331",
      "title": "The Effect of Respiratory Muscle Training on Cognitive Performance",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Respiratory Muscle Training"
      ],
      "interventions": [
        {
          "name": "Inspiratory muscle training",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Indiana 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": 32,
      "start_date": "2026-03-27",
      "completion_date": "2027-04",
      "has_results": false,
      "last_update_posted_date": "2026-06-26",
      "last_synced_at": "2026-10-24T08:57:21.721Z",
      "location_count": 1,
      "location_summary": "Bloomington, Indiana",
      "locations": [
        {
          "city": "Bloomington",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07637331"
    },
    {
      "nct_id": "NCT04472351",
      "title": "Cognitive Training in Stroke Rehabilitation",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Executive Dysfunction",
        "Cognitive Impairment"
      ],
      "interventions": [
        {
          "name": "ASCEND-I",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "30 Years to 89 Years"
      },
      "enrollment_count": 27,
      "start_date": "2021-01-12",
      "completion_date": "2022-09-15",
      "has_results": false,
      "last_update_posted_date": "2025-01-29",
      "last_synced_at": "2026-10-24T08:57:21.721Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04472351"
    },
    {
      "nct_id": "NCT03581045",
      "title": "Postural Control Under Different Cognitive Loads in Adult Survivors of Acute Lymphoblastic Leukemia and Age-Matched Healthy Individuals",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Acute Lymphoblastic Leukemia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "St. Jude Children's Research Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "39 Years",
        "sex": "ALL",
        "summary": "18 Years to 39 Years"
      },
      "enrollment_count": 92,
      "start_date": "2018-10-02",
      "completion_date": "2021-04-27",
      "has_results": false,
      "last_update_posted_date": "2022-09-19",
      "last_synced_at": "2026-10-24T08:57:21.721Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03581045"
    },
    {
      "nct_id": "NCT04745312",
      "title": "Effect of Lighting Supplementation on Daytime Cognition",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Non-visual Effects of Light"
      ],
      "interventions": [
        {
          "name": "Visible light",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 16,
      "start_date": "2021-03-01",
      "completion_date": "2022-03-01",
      "has_results": false,
      "last_update_posted_date": "2022-02-18",
      "last_synced_at": "2026-10-24T08:57:21.721Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04745312"
    },
    {
      "nct_id": "NCT01124721",
      "title": "Effects of Cognitive Training on Academic Task Performance in Attention Deficit Hyperactivity Disorder (ADHD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "ADHD",
        "Attention"
      ],
      "interventions": [
        {
          "name": "Cognitive training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cognitive training-placebo",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "14 Years",
        "sex": "ALL",
        "summary": "7 Years to 14 Years"
      },
      "enrollment_count": 26,
      "start_date": "2008-01",
      "completion_date": "2013-01",
      "has_results": false,
      "last_update_posted_date": "2017-05-31",
      "last_synced_at": "2026-10-24T08:57:21.721Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01124721"
    },
    {
      "nct_id": "NCT02604563",
      "title": "Aging, Geriatric Syndromes and Clonal Hematopoiesis",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Geriatrics",
        "Aged",
        "Geriatric Syndromes",
        "Cardiovascular Diseases"
      ],
      "interventions": [
        {
          "name": "Cognitive Assessment",
          "type": "OTHER"
        },
        {
          "name": "Activities of Daily Living Questionnaire",
          "type": "OTHER"
        },
        {
          "name": "Instrumental Activities of Daily Living, subscale of the OARS",
          "type": "OTHER"
        },
        {
          "name": "Karnofsky Self-reported Performance Rating Scale",
          "type": "OTHER"
        },
        {
          "name": "Number of Falls",
          "type": "OTHER"
        },
        {
          "name": "Physical Health Section, subscale of the OARS",
          "type": "OTHER"
        },
        {
          "name": "MOS Social Activity Survey",
          "type": "OTHER"
        },
        {
          "name": "Unintentional Weight Loss",
          "type": "OTHER"
        },
        {
          "name": "Peripheral Blood Draw",
          "type": "GENETIC"
        },
        {
          "name": "Buccal Swab",
          "type": "GENETIC"
        },
        {
          "name": "Heart Health and Smoking History from BRFSS questionnaire",
          "type": "OTHER"
        },
        {
          "name": "Gait Speed",
          "type": "OTHER"
        },
        {
          "name": "Grip Strength",
          "type": "OTHER"
        },
        {
          "name": "Height and Weight measurements",
          "type": "OTHER"
        },
        {
          "name": "Blood pressure measurement",
          "type": "OTHER"
        },
        {
          "name": "Optional bone marrow biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Blood draw for trauma measurements",
          "type": "PROCEDURE"
        },
        {
          "name": "Femur head donation",
          "type": "OTHER"
        },
        {
          "name": "Knee bone fragments",
          "type": "OTHER"
        },
        {
          "name": "Bone marrow aspirate",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "GENETIC",
        "PROCEDURE"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 2000,
      "start_date": "2016-03-10",
      "completion_date": "2030-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-13",
      "last_synced_at": "2026-10-24T08:57:21.721Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02604563"
    }
  ]
}