{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cognitive+Functioning&page=24",
    "query": {
      "condition": "Cognitive Functioning",
      "page": 24
    },
    "page_size": 10
  },
  "pagination": {
    "page": 24,
    "page_size": 10,
    "total_count": 1062,
    "total_pages": 107,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cognitive+Functioning&page=25&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cognitive+Functioning&page=23&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-20T09:24:45.531Z",
  "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": "NCT00001412",
      "title": "Effects on the Brain of Lupron Induced Hypogonadotropic Hypogonadism With and Without Testosterone Replacement",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hypogonadism"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Mental Health (NIMH)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "MALE",
        "summary": "Male only"
      },
      "enrollment_count": 70,
      "start_date": "1993-12",
      "completion_date": "2001-11",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-10-20T09:24:45.531Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001412"
    },
    {
      "nct_id": "NCT07766564",
      "title": "A Clinical Trial to Evaluate the Effects of Two Supplements on Cognitive Function, Cognitive Performance, and Mood",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cognitive Function",
        "Cognitive Performance",
        "Mood"
      ],
      "interventions": [
        {
          "name": "BrainJuice Supplement",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "BrainJuice",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "57 Years",
        "sex": "ALL",
        "summary": "18 Years to 57 Years"
      },
      "enrollment_count": 30,
      "start_date": "2025-11-09",
      "completion_date": "2026-02-06",
      "has_results": false,
      "last_update_posted_date": "2026-08-14",
      "last_synced_at": "2026-10-20T09:24:45.531Z",
      "location_count": 1,
      "location_summary": "Las Vegas, Nevada",
      "locations": [
        {
          "city": "Las Vegas",
          "state": "Nevada"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07766564"
    },
    {
      "nct_id": "NCT01701492",
      "title": "Cognitive, Academic and Psychosocial Functioning in Long-Term Survivors of Pediatric Stem Cell Transplantation",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Stem Cell Transplant During Childhood",
        "Allogeneic Bone Marrow Transplant During Childhood"
      ],
      "interventions": [
        {
          "name": "Questionnaire",
          "type": "OTHER"
        },
        {
          "name": "Neurocognitive Evaluation",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "St. Jude Children's Research Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "8 Years and older"
      },
      "enrollment_count": 133,
      "start_date": "2012-10-19",
      "completion_date": "2018-01-23",
      "has_results": false,
      "last_update_posted_date": "2018-05-18",
      "last_synced_at": "2026-10-20T09:24:45.531Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01701492"
    },
    {
      "nct_id": "NCT04176406",
      "title": "Using fMRI-guided TMS to Increase Central Executive Function in Older Adults (MCI_Sub)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Mild Cognitive Impairment"
      ],
      "interventions": [
        {
          "name": "rTMS",
          "type": "DEVICE"
        },
        {
          "name": "Sham rTMS",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Duke University",
      "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": 10,
      "start_date": "2019-11-25",
      "completion_date": "2020-02-27",
      "has_results": true,
      "last_update_posted_date": "2021-01-27",
      "last_synced_at": "2026-10-20T09:24:45.531Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04176406"
    },
    {
      "nct_id": "NCT01059877",
      "title": "Efficacy of 1072nm Infrared Stimulation on Executive Functioning in Dementia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dementia"
      ],
      "interventions": [
        {
          "name": "1072nm infrared Photobiomodulation",
          "type": "DEVICE"
        },
        {
          "name": "Photobiomodulation SIMULATED",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Quietmind Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "50 Years to 85 Years"
      },
      "enrollment_count": 11,
      "start_date": "2010-01",
      "completion_date": "2012-02",
      "has_results": true,
      "last_update_posted_date": "2018-09-27",
      "last_synced_at": "2026-10-20T09:24:45.531Z",
      "location_count": 1,
      "location_summary": "Plymouth Meeting, Pennsylvania",
      "locations": [
        {
          "city": "Plymouth Meeting",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01059877"
    },
    {
      "nct_id": "NCT02914067",
      "title": "Cognitive Biomarkers in Pediatric Brain Tumor Patients",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Childhood Brain Tumor"
      ],
      "interventions": [
        {
          "name": "Neurocognitive testing",
          "type": "OTHER"
        },
        {
          "name": "rsfcMRI",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DEVICE"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "4 Years to 18 Years"
      },
      "enrollment_count": 200,
      "start_date": "2016-10-26",
      "completion_date": "2029-01-31",
      "has_results": false,
      "last_update_posted_date": "2025-11-21",
      "last_synced_at": "2026-10-20T09:24:45.531Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02914067"
    },
    {
      "nct_id": "NCT01569932",
      "title": "Cognitive Changes in Adult Cancer Survivors",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Effects of Chemotherapy",
        "Cognitive Impairment"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 13,
      "start_date": "2011-02",
      "completion_date": "2013-01",
      "has_results": false,
      "last_update_posted_date": "2013-02-26",
      "last_synced_at": "2026-10-20T09:24:45.531Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01569932"
    },
    {
      "nct_id": "NCT01984164",
      "title": "CAndesartan vs LIsinopril Effects on the BRain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hypertension",
        "Mild Cognitive Impairment"
      ],
      "interventions": [
        {
          "name": "Candesartan",
          "type": "DRUG"
        },
        {
          "name": "Lisinopril",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "55 Years and older"
      },
      "enrollment_count": 176,
      "start_date": "2014-08-20",
      "completion_date": "2018-12-03",
      "has_results": true,
      "last_update_posted_date": "2021-02-21",
      "last_synced_at": "2026-10-20T09:24:45.531Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01984164"
    },
    {
      "nct_id": "NCT00026598",
      "title": "Effect of Stimulus Rate on Cognitive and Motor Activity in Young Subjects, Elderly Subjects, and Patients With Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Neurological Disorders and Stroke (NINDS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 90,
      "start_date": "2001-10",
      "completion_date": "2003-11",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-10-20T09:24:45.531Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00026598"
    },
    {
      "nct_id": "NCT03141281",
      "title": "Intervention Comparative Effectiveness for Adult Cognitive Training",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cognitive Aging"
      ],
      "interventions": [
        {
          "name": "BrainHQ",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Rise of Nations",
          "type": "BEHAVIORAL"
        },
        {
          "name": "IADL Training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Active Control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Florida State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 238,
      "start_date": "2017-09-20",
      "completion_date": "2019-09-03",
      "has_results": true,
      "last_update_posted_date": "2021-06-07",
      "last_synced_at": "2026-10-20T09:24:45.531Z",
      "location_count": 1,
      "location_summary": "Tallahassee, Florida",
      "locations": [
        {
          "city": "Tallahassee",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03141281"
    }
  ]
}