{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Cognitive+Testing&page=28",
    "query": {
      "intervention": "Cognitive Testing",
      "page": 28
    },
    "page_size": 10
  },
  "pagination": {
    "page": 28,
    "page_size": 10,
    "total_count": 1072,
    "total_pages": 108,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Cognitive+Testing&page=29&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Cognitive+Testing&page=27&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-22T12:41:02.854Z",
  "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": "NCT03952208",
      "title": "Neurocognitive Dysfunction After Anesthesia in Patients With Recent Concussion",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Concussion, Brain"
      ],
      "interventions": [
        {
          "name": "Neurocognitive Testing",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "16 Years and older"
      },
      "enrollment_count": 52,
      "start_date": "2019-02-21",
      "completion_date": "2025-04-10",
      "has_results": false,
      "last_update_posted_date": "2025-04-16",
      "last_synced_at": "2026-10-22T12:41:02.854Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03952208"
    },
    {
      "nct_id": "NCT03443440",
      "title": "Prognostic Factors Associated With Postoperative Cognitive Dysfunction After Surgery",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Postoperative Cognitive Dysfunction"
      ],
      "interventions": [
        {
          "name": "Neurocognitive Testing",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Milton S. Hershey Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "50 Years to 99 Years"
      },
      "enrollment_count": 57,
      "start_date": "2018-04-01",
      "completion_date": "2020-06-06",
      "has_results": false,
      "last_update_posted_date": "2020-07-08",
      "last_synced_at": "2026-10-22T12:41:02.854Z",
      "location_count": 1,
      "location_summary": "Hershey, Pennsylvania",
      "locations": [
        {
          "city": "Hershey",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03443440"
    },
    {
      "nct_id": "NCT04564807",
      "title": "Testing an Online Insomnia Intervention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Alcohol Use Disorder",
        "Insomnia"
      ],
      "interventions": [
        {
          "name": "Web-Based Insomnia Education Program",
          "type": "BEHAVIORAL"
        },
        {
          "name": "SHUTi Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Jessica Weafer",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "21 Years to 50 Years"
      },
      "enrollment_count": 71,
      "start_date": "2020-09-25",
      "completion_date": "2022-05-31",
      "has_results": false,
      "last_update_posted_date": "2022-10-25",
      "last_synced_at": "2026-10-22T12:41:02.854Z",
      "location_count": 1,
      "location_summary": "Lexington, Kentucky",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04564807"
    },
    {
      "nct_id": "NCT04811521",
      "title": "Patient-centered Treatment of Anxiety After Low-Risk Chest Pain in the Emergency Room",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Generalized Anxiety Disorder",
        "Chest Pain",
        "Panic"
      ],
      "interventions": [
        {
          "name": "Primary care follow-up",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Online Self-Administered Anxiety Management Program plus Peer Support Guidance",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Therapist-Administered Cognitive Behavioral Therapy",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 375,
      "start_date": "2021-04-01",
      "completion_date": "2025-08-17",
      "has_results": false,
      "last_update_posted_date": "2024-07-30",
      "last_synced_at": "2026-10-22T12:41:02.854Z",
      "location_count": 5,
      "location_summary": "Avon, Indiana • Carmel, Indiana • Fishers, Indiana + 2 more",
      "locations": [
        {
          "city": "Avon",
          "state": "Indiana"
        },
        {
          "city": "Carmel",
          "state": "Indiana"
        },
        {
          "city": "Fishers",
          "state": "Indiana"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Muncie",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04811521"
    },
    {
      "nct_id": "NCT01718600",
      "title": "Long-term Neurocognitive Sequelae of Subclinical Microembolization During Carotid Interventions",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Carotid Artery Stenosis"
      ],
      "interventions": [
        {
          "name": "Neuropsychological testing",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 207,
      "start_date": "2011-06",
      "completion_date": "2018-04",
      "has_results": false,
      "last_update_posted_date": "2022-08-29",
      "last_synced_at": "2026-10-22T12:41:02.854Z",
      "location_count": 3,
      "location_summary": "Palo Alto, California • St Louis, Missouri • Madison, Wisconsin",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01718600"
    },
    {
      "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": "2026-10-22T12:41:02.854Z",
      "location_count": 1,
      "location_summary": "Las Vegas, Nevada",
      "locations": [
        {
          "city": "Las Vegas",
          "state": "Nevada"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07766564"
    },
    {
      "nct_id": "NCT04566562",
      "title": "Blood Brain Barrier Dysfunction and Postoperative Neurocognitive Disorders",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Neurocognitive Disorders",
        "Postoperative Cognitive Dysfunction"
      ],
      "interventions": [
        {
          "name": "Brain Imaging",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Cognitive Testing",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Blood Biomarkers",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "65 Years to 75 Years"
      },
      "enrollment_count": 32,
      "start_date": "2020-08-03",
      "completion_date": "2024-02-29",
      "has_results": false,
      "last_update_posted_date": "2024-12-10",
      "last_synced_at": "2026-10-22T12:41:02.854Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04566562"
    },
    {
      "nct_id": "NCT03410810",
      "title": "Childhood Outcomes of Preterm Brain Abnormalities",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Premature Birth",
        "Neurodevelopmental Disorders",
        "Brain Development Abnormality",
        "Brain Lesion"
      ],
      "interventions": [
        {
          "name": "MRI",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Neurodevelopmental/Neuropsychological Assessment",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Children's Hospital Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "8 Years",
        "sex": "ALL",
        "summary": "Up to 8 Years"
      },
      "enrollment_count": 80,
      "start_date": "2018-03-01",
      "completion_date": "2025-08-01",
      "has_results": false,
      "last_update_posted_date": "2024-04-10",
      "last_synced_at": "2026-10-22T12:41:02.854Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03410810"
    },
    {
      "nct_id": "NCT05782348",
      "title": "Evaluating the Effectiveness of a Cognitive Behavioral Intervention (CBI)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Adolescent Behavior",
        "Dental Plaque",
        "Gingivitis",
        "Cognitive Change"
      ],
      "interventions": [
        {
          "name": "Cognitive behavioral intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Colgate smart toothbrush",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Howard University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "14 Years to 17 Years"
      },
      "enrollment_count": 150,
      "start_date": "2023-08-06",
      "completion_date": "2025-02-28",
      "has_results": false,
      "last_update_posted_date": "2025-04-29",
      "last_synced_at": "2026-10-22T12:41:02.854Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05782348"
    },
    {
      "nct_id": "NCT01220674",
      "title": "Pilot Testing a New Computer-based Screening Tool to Detect Cognitive Impairment",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cognitive Impairment"
      ],
      "interventions": [
        {
          "name": "cognitive testing",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Nebraska",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "55 Years to 75 Years"
      },
      "enrollment_count": 152,
      "start_date": "2010-12-15",
      "completion_date": "2012-10-31",
      "has_results": false,
      "last_update_posted_date": "2023-09-14",
      "last_synced_at": "2026-10-22T12:41:02.854Z",
      "location_count": 1,
      "location_summary": "Omaha, Nebraska",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01220674"
    }
  ]
}