{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cognitive+Functioning",
    "query": {
      "condition": "Cognitive Functioning"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 1029,
    "total_pages": 103,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cognitive+Functioning&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-26T14:59:40.926Z",
  "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": "NCT00739843",
      "title": "Cognitive and Functional Status and Dialysis Outcomes in Older Hemodialysis Patients",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Dementia",
        "Cognition",
        "End-stage Renal Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 55,
      "start_date": "2007-11",
      "completion_date": "2010-09",
      "has_results": false,
      "last_update_posted_date": "2016-11-01",
      "last_synced_at": "2026-06-26T14:59:40.926Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00739843"
    },
    {
      "nct_id": "NCT07194590",
      "title": "Equol and Vascular Function in Women With Chronic Kidney Disease",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Kidney Disease (Stage 3-4)",
        "Vascular Function",
        "Cognitive Functions",
        "Cerebrovascular Function",
        "Blood Pressure"
      ],
      "interventions": [
        {
          "name": "Equol",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "50 Years and older · Female only"
      },
      "enrollment_count": 74,
      "start_date": "2026-02-19",
      "completion_date": "2030-11-30",
      "has_results": false,
      "last_update_posted_date": "2026-06-02",
      "last_synced_at": "2026-06-26T14:59:40.926Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07194590"
    },
    {
      "nct_id": "NCT07316543",
      "title": "Cognitive Rehabilitation for Veterans With PNES",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Psychogenic Nonepileptic Seizures (PNES)"
      ],
      "interventions": [
        {
          "name": "Cognitive Rehabilitation And Functional Treatment (CRAFT)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 47,
      "start_date": "2026-03-02",
      "completion_date": "2031-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-03-12",
      "last_synced_at": "2026-06-26T14:59:40.926Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07316543"
    },
    {
      "nct_id": "NCT01559220",
      "title": "Deep Brain Stimulation for the Treatment of Alzheimer's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Alzheimer's Disease"
      ],
      "interventions": [
        {
          "name": "Deep Brain Stimulation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Ali Rezai, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "45 Years to 85 Years"
      },
      "enrollment_count": 3,
      "start_date": "2012-03",
      "completion_date": "2016-01",
      "has_results": false,
      "last_update_posted_date": "2017-03-30",
      "last_synced_at": "2026-06-26T14:59:40.926Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01559220"
    },
    {
      "nct_id": "NCT07349706",
      "title": "IMST for Dementia Risk Reduction",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Systolic Blood Pressure",
        "Blood Pressure",
        "Depression - Major Depressive Disorder",
        "Anxiety",
        "Sleep Quality",
        "Physical Function",
        "Cognitive Function"
      ],
      "interventions": [
        {
          "name": "Inspiratory Muscle Strength Training High-Resistance",
          "type": "DEVICE"
        },
        {
          "name": "Inspiratory Muscle Strength Training Low-Resistance",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Florida State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "60 Years to 80 Years"
      },
      "enrollment_count": 30,
      "start_date": "2025-11-17",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-03-27",
      "last_synced_at": "2026-06-26T14:59:40.926Z",
      "location_count": 1,
      "location_summary": "Tallahassee, Florida",
      "locations": [
        {
          "city": "Tallahassee",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07349706"
    },
    {
      "nct_id": "NCT04155333",
      "title": "Effects of Non-Invasive Brain Stimulation on Soldiers' Cognitive and Functional Performance",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Performance Enhancement"
      ],
      "interventions": [
        {
          "name": "Transcranial direct current stimulation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "United States Army Aeromedical Research Laboratory",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 28,
      "start_date": "2019-12-12",
      "completion_date": "2021-09-30",
      "has_results": false,
      "last_update_posted_date": "2022-01-25",
      "last_synced_at": "2026-06-26T14:59:40.926Z",
      "location_count": 1,
      "location_summary": "Fort Rucker, Alabama",
      "locations": [
        {
          "city": "Fort Rucker",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04155333"
    },
    {
      "nct_id": "NCT07424365",
      "title": "Study to Investigate Vagus Nerve Stimulation to Augment Executive Function in Healthy and Cognitively Impaired Populations",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Mild Cognitive Impairment (MCI)",
        "Parkinsons Disease (PD)",
        "Healthy Adult"
      ],
      "interventions": [
        {
          "name": "transcutaneous auricular vagus nerve stimulation",
          "type": "DEVICE"
        },
        {
          "name": "sham stimulation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Colorado, Denver",
      "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": 80,
      "start_date": "2025-05-19",
      "completion_date": "2028-05",
      "has_results": false,
      "last_update_posted_date": "2026-02-20",
      "last_synced_at": "2026-06-26T14:59:40.926Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07424365"
    },
    {
      "nct_id": "NCT03055364",
      "title": "Cognitive Function After Treatment of Primary CNS Malignancy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "CNS Malignancy"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "4 Years and older"
      },
      "enrollment_count": 129,
      "start_date": "2017-06-13",
      "completion_date": "2023-11-02",
      "has_results": false,
      "last_update_posted_date": "2024-05-10",
      "last_synced_at": "2026-06-26T14:59:40.926Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03055364"
    },
    {
      "nct_id": "NCT01037075",
      "title": "Influence of Nicotine on Cognitive Function in Schizophrenic Patients With and Without Comorbid Drug Dependence",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Schizophrenia",
        "Drug Abuse/Dependency"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute on Drug Abuse (NIDA)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 82,
      "start_date": "2006-05-14",
      "completion_date": "2013-01-22",
      "has_results": false,
      "last_update_posted_date": "2019-12-16",
      "last_synced_at": "2026-06-26T14:59:40.926Z",
      "location_count": 2,
      "location_summary": "Baltimore, Maryland • Rockville, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Rockville",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01037075"
    },
    {
      "nct_id": "NCT01482351",
      "title": "Mild Cognitive Impairment and Obstructive Sleep Apnea",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obstructive Sleep Apnea",
        "Mild Cognitive Impairment"
      ],
      "interventions": [
        {
          "name": "CPAP adherence intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Attention control intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "George Mason University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "55 Years to 89 Years"
      },
      "enrollment_count": 54,
      "start_date": "2012-09",
      "completion_date": "2014-12",
      "has_results": true,
      "last_update_posted_date": "2019-03-06",
      "last_synced_at": "2026-06-26T14:59:40.926Z",
      "location_count": 3,
      "location_summary": "Abington, Pennsylvania • Philadelphia, Pennsylvania • Fairfax, Virginia",
      "locations": [
        {
          "city": "Abington",
          "state": "Pennsylvania"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Fairfax",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01482351"
    }
  ]
}