{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Cognitive+Functioning&page=3",
    "query": {
      "intervention": "Cognitive Functioning",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 1810,
    "total_pages": 181,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Cognitive+Functioning&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Cognitive+Functioning&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-25T14:38:10.759Z",
  "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": "NCT01034384",
      "title": "Physiological, Cognitive and Cerebral Activity Changes as a Function of Cigarette Smoking (With or Without Nicotine) and Tobacco Abstinence",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute on Drug Abuse (NIDA)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 119,
      "start_date": "2000-12-05",
      "completion_date": "2012-11-06",
      "has_results": false,
      "last_update_posted_date": "2018-04-05",
      "last_synced_at": "2026-10-25T14:38:10.759Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01034384"
    },
    {
      "nct_id": "NCT02626949",
      "title": "Effects of Mindfulness Training on Chronic Inflammation in HIV-Infected Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV"
      ],
      "interventions": [
        {
          "name": "MBSR Course",
          "type": "BEHAVIORAL"
        },
        {
          "name": "HEP Course",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "45 Years and older"
      },
      "enrollment_count": 84,
      "start_date": "2016-03",
      "completion_date": "2017-12-18",
      "has_results": true,
      "last_update_posted_date": "2022-05-09",
      "last_synced_at": "2026-10-25T14:38:10.759Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02626949"
    },
    {
      "nct_id": "NCT04219709",
      "title": "Effects of Ketosis on Brain Function in Patients With T1DM",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Type1diabetes"
      ],
      "interventions": [
        {
          "name": "Very low carbohydrate diet",
          "type": "OTHER"
        },
        {
          "name": "Standard carbohydrate diet",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Boston Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 24,
      "start_date": "2020-01-03",
      "completion_date": "2026-07-31",
      "has_results": false,
      "last_update_posted_date": "2024-12-18",
      "last_synced_at": "2026-10-25T14:38:10.759Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04219709"
    },
    {
      "nct_id": "NCT00309933",
      "title": "Quality of Life in Female Breast Cancer Survivors and Their Spouse, Partner, or Acquaintance",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer",
        "Cancer Survivor",
        "Cognitive/Functional Effects",
        "Psychosocial Effects of Cancer and Its Treatment",
        "Sexuality and Reproductive Issues",
        "Spiritual Concerns"
      ],
      "interventions": [
        {
          "name": "cognitive assessment",
          "type": "PROCEDURE"
        },
        {
          "name": "psychosocial assessment and care",
          "type": "PROCEDURE"
        },
        {
          "name": "quality-of-life assessment",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Eastern Cooperative Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "78 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 78 Years · Female only"
      },
      "enrollment_count": 2697,
      "start_date": "2006-04-03",
      "completion_date": "2011-03",
      "has_results": false,
      "last_update_posted_date": "2023-06-18",
      "last_synced_at": "2026-10-25T14:38:10.759Z",
      "location_count": 104,
      "location_summary": "Monterey, California • Manchester, Connecticut • Jacksonville, Florida + 77 more",
      "locations": [
        {
          "city": "Monterey",
          "state": "California"
        },
        {
          "city": "Manchester",
          "state": "Connecticut"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Berwyn",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00309933"
    },
    {
      "nct_id": "NCT05143333",
      "title": "Cognitive Assessment in COVID-19 Positive Patients Using the DANA App",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "DANA app",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 28,
      "start_date": "2021-07-01",
      "completion_date": "2021-12-31",
      "has_results": false,
      "last_update_posted_date": "2022-01-11",
      "last_synced_at": "2026-10-25T14:38:10.759Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05143333"
    },
    {
      "nct_id": "NCT03200028",
      "title": "CCTAP: Cognitive Control Training for Treatment of AUD-PTSD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Alcohol Use Disorder",
        "Post Traumatic Stress Disorder"
      ],
      "interventions": [
        {
          "name": "Computerized Plasticity-Based Adaptive Cognitive Training",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Posit Science Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 9,
      "start_date": "2018-04-01",
      "completion_date": "2019-02-28",
      "has_results": false,
      "last_update_posted_date": "2019-10-15",
      "last_synced_at": "2026-10-25T14:38:10.759Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03200028"
    },
    {
      "nct_id": "NCT01603550",
      "title": "Brain Energy and Cognition",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Energy Restriction",
        "Sleep Deprivation"
      ],
      "interventions": [
        {
          "name": "Sleep Deprivation",
          "type": "OTHER"
        },
        {
          "name": "Energy Restriction",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "United States Army Research Institute of Environmental Medicine",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "39 Years",
        "sex": "ALL",
        "summary": "18 Years to 39 Years"
      },
      "enrollment_count": 31,
      "start_date": "2012-06",
      "completion_date": "2015-06",
      "has_results": false,
      "last_update_posted_date": "2016-10-06",
      "last_synced_at": "2026-10-25T14:38:10.759Z",
      "location_count": 1,
      "location_summary": "Natick, Massachusetts",
      "locations": [
        {
          "city": "Natick",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01603550"
    },
    {
      "nct_id": "NCT02257320",
      "title": "TMJ NextGeneration(TM) Feasibility Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Bruxism"
      ],
      "interventions": [
        {
          "name": "TMJ NextGeneration(TM)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "TMJ Health",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2014-11",
      "completion_date": "2015-05",
      "has_results": false,
      "last_update_posted_date": "2015-06-10",
      "last_synced_at": "2026-10-25T14:38:10.759Z",
      "location_count": 2,
      "location_summary": "Boca Raton, Florida • Boynton Beach, Florida",
      "locations": [
        {
          "city": "Boca Raton",
          "state": "Florida"
        },
        {
          "city": "Boynton Beach",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02257320"
    },
    {
      "nct_id": "NCT04950673",
      "title": "Open-label, Post-marketing, Prospective Study to Assess Impact of COVID-19 on Cognitive Function in Patients",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cognitive Decline",
        "Cognitive Dysfunction",
        "Brain Health",
        "Post CoV-2 Syndrome",
        "COVID Long-Haul"
      ],
      "interventions": [
        {
          "name": "Cognivue",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Cognivue, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "95 Years",
        "sex": "ALL",
        "summary": "18 Years to 95 Years"
      },
      "enrollment_count": 1000,
      "start_date": "2021-07-21",
      "completion_date": "2024-04-30",
      "has_results": false,
      "last_update_posted_date": "2022-06-22",
      "last_synced_at": "2026-10-25T14:38:10.759Z",
      "location_count": 4,
      "location_summary": "Irvine, California • Visalia, California • Boca Raton, Florida + 1 more",
      "locations": [
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "Visalia",
          "state": "California"
        },
        {
          "city": "Boca Raton",
          "state": "Florida"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04950673"
    },
    {
      "nct_id": "NCT05117502",
      "title": "Foundations in Developing Precision Cognitive Restoration",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Moderate Cognitive Impairment",
        "Traumatic Brain Injury",
        "Stroke"
      ],
      "interventions": [
        {
          "name": "intermittent Theta Burst Stimulation",
          "type": "DEVICE"
        },
        {
          "name": "Placebo intermittent Theta Burst Stimulation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 0,
      "start_date": "2022-02-24",
      "completion_date": "2023-09-30",
      "has_results": false,
      "last_update_posted_date": "2024-08-29",
      "last_synced_at": "2026-10-25T14:38:10.759Z",
      "location_count": 1,
      "location_summary": "Hines, Illinois",
      "locations": [
        {
          "city": "Hines",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05117502"
    }
  ]
}