{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Neurocognitive+Testing",
    "query": {
      "intervention": "Neurocognitive Testing"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 164,
    "total_pages": 17,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Neurocognitive+Testing&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-01T18:47:31.742Z",
  "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": "NCT04484454",
      "title": "Open-Label Study of Omega 3 Oil Supplementation for Aging-Related Cognitive Decline",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cognitive Decline"
      ],
      "interventions": [
        {
          "name": "ProdromeNeuro Omega 3 Oil Nutritional Supplement",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Neurological Associates of West Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "65 Years",
        "sex": "MALE",
        "summary": "35 Years to 65 Years · Male only"
      },
      "enrollment_count": 20,
      "start_date": "2020-07-17",
      "completion_date": "2021-03-13",
      "has_results": false,
      "last_update_posted_date": "2021-06-07",
      "last_synced_at": "2026-09-01T18:47:31.742Z",
      "location_count": 1,
      "location_summary": "Santa Monica, California",
      "locations": [
        {
          "city": "Santa Monica",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04484454"
    },
    {
      "nct_id": "NCT04105530",
      "title": "Transcranial Direct Current Stimulation of the Temporal Cortex in Survivors of Childhood Acute Lymphoblastic Leukemia (ALL)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Acute Lymphoblastic Leukemia",
        "Transcranial Direct Current Stimulation",
        "Executive Dysfunction"
      ],
      "interventions": [
        {
          "name": "Anodal tDCS treatment",
          "type": "DEVICE"
        },
        {
          "name": "Cathodal tDCS treatment",
          "type": "DEVICE"
        },
        {
          "name": "Sham treatment",
          "type": "DEVICE"
        },
        {
          "name": "NIH Toolbox List Sorting Working Memory Test",
          "type": "OTHER"
        },
        {
          "name": "NIH Toolbox Flanker Inhibitory Control and Attention Test",
          "type": "OTHER"
        },
        {
          "name": "Grooved Peg Board Test",
          "type": "OTHER"
        },
        {
          "name": "Buschke Selective Reminding Test",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "St. Jude Children's Research Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "215 Months",
        "sex": "ALL",
        "summary": "8 Years to 215 Months"
      },
      "enrollment_count": 36,
      "start_date": "2019-11-18",
      "completion_date": "2024-09",
      "has_results": false,
      "last_update_posted_date": "2024-01-12",
      "last_synced_at": "2026-09-01T18:47:31.742Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04105530"
    },
    {
      "nct_id": "NCT04135365",
      "title": "Pediatric Type 1 Diabetes and Neurocognitive Complications Cohort Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Type 1 Diabetes"
      ],
      "interventions": [
        {
          "name": "neurocognitive assessment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "neuroimaging assessment",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "11 Years",
        "sex": "ALL",
        "summary": "6 Years to 11 Years"
      },
      "enrollment_count": 12,
      "start_date": "2021-01-18",
      "completion_date": "2022-10-31",
      "has_results": false,
      "last_update_posted_date": "2022-11-01",
      "last_synced_at": "2026-09-01T18:47:31.742Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04135365"
    },
    {
      "nct_id": "NCT06130735",
      "title": "Impact of Intensive Computerized Cognitive Training",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Acquired Brain Injury",
        "Mild Cognitive Impairment",
        "Mild Neurocognitive Disorder"
      ],
      "interventions": [
        {
          "name": "Cognitive Computerized Training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "25 Years to 65 Years"
      },
      "enrollment_count": 30,
      "start_date": "2023-10-01",
      "completion_date": "2026-09-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-25",
      "last_synced_at": "2026-09-01T18:47:31.742Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06130735"
    },
    {
      "nct_id": "NCT07641335",
      "title": "Effects of Caffeine on Chess Performance and Cognitive Function in Professional Chess Players",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cognitive Performance",
        "Attention",
        "Reaction Time",
        "Caffeine"
      ],
      "interventions": [
        {
          "name": "Caffeinated Coffee",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Decaffeinated Coffee Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "St. Louis University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 12,
      "start_date": "2026-06-15",
      "completion_date": "2027-08",
      "has_results": false,
      "last_update_posted_date": "2026-06-11",
      "last_synced_at": "2026-09-01T18:47:31.742Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07641335"
    },
    {
      "nct_id": "NCT00892554",
      "title": "The Effect of Supplemental Docosahexaenoic Acid (DHA) on Neurocognitive Outcomes in Teen and Adult Women With Phenylketonuria(PKU)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Phenylketonuria"
      ],
      "interventions": [
        {
          "name": "Docosahexaenoic Acid",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Corn/soy oil",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "12 Years to 50 Years · Female only"
      },
      "enrollment_count": 33,
      "start_date": "2007-06",
      "completion_date": "2010-01",
      "has_results": false,
      "last_update_posted_date": "2015-12-11",
      "last_synced_at": "2026-09-01T18:47:31.742Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00892554"
    },
    {
      "nct_id": "NCT05658731",
      "title": "Cognitive Outcomes After Brain Substructure-informed Radiation Planning in Pediatric Patients",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Brain Tumor",
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "substructure informed planning",
          "type": "RADIATION"
        },
        {
          "name": "Neurocognitive Testing",
          "type": "OTHER"
        },
        {
          "name": "MRI",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "OTHER",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "26 Years",
        "sex": "ALL",
        "summary": "1 Year to 26 Years"
      },
      "enrollment_count": 338,
      "start_date": "2023-05-17",
      "completion_date": "2035-12",
      "has_results": false,
      "last_update_posted_date": "2026-06-29",
      "last_synced_at": "2026-09-01T18:47:31.742Z",
      "location_count": 2,
      "location_summary": "Washington D.C., District of Columbia • Baltimore, Maryland",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05658731"
    },
    {
      "nct_id": "NCT01861405",
      "title": "Neurococognitive and Functioal Assessment of Patients With Brain Metastases",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cerebral Metastases Patients"
      ],
      "interventions": [
        {
          "name": "neuropsychological testing and quality of life assessments",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard of Care WBRT or SRS",
          "type": "RADIATION"
        },
        {
          "name": "Functional magnetic resonance imaging",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "RADIATION",
        "DEVICE"
      ],
      "sponsor": "Thomas Jefferson University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 60,
      "start_date": "2013-03",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2014-12-18",
      "last_synced_at": "2026-09-01T18:47:31.742Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01861405"
    },
    {
      "nct_id": "NCT07142954",
      "title": "Epidemiology and Biomarker Study in Alzheimer's Disease",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Alzheimer Disease"
      ],
      "interventions": [
        {
          "name": "P-tau217 Test",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Eli Lilly and Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "55 Years to 75 Years"
      },
      "enrollment_count": 3400,
      "start_date": "2025-08-25",
      "completion_date": "2033-07",
      "has_results": false,
      "last_update_posted_date": "2026-07-07",
      "last_synced_at": "2026-09-01T18:47:31.742Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07142954"
    },
    {
      "nct_id": "NCT05207098",
      "title": "A Study of Neurocognitive Tests and Questionnaires for People With Head and Neck Cancer Who Are Undergoing Radiation Therapy",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "Neurocognitive Tests",
          "type": "OTHER"
        },
        {
          "name": "Questionnaires",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "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": 60,
      "start_date": "2021-12-22",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-06-05",
      "last_synced_at": "2026-09-01T18:47:31.742Z",
      "location_count": 7,
      "location_summary": "Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more",
      "locations": [
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "Middletown",
          "state": "New Jersey"
        },
        {
          "city": "Montvale",
          "state": "New Jersey"
        },
        {
          "city": "Commack",
          "state": "New York"
        },
        {
          "city": "Harrison",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05207098"
    }
  ]
}