{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Cognitive+testing&page=3",
    "query": {
      "intervention": "Cognitive testing",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 1070,
    "total_pages": 107,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Cognitive+testing&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Cognitive+testing&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-17T17:34:31.409Z",
  "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": "NCT03720821",
      "title": "Cognitive Flexibility Training for Persistent Pain: Neuroimaging Pilot (COFLEX-i)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Pain",
        "Knee Pain Chronic",
        "Hip Pain Chronic",
        "Back Pain"
      ],
      "interventions": [
        {
          "name": "Cognitive Training + fMRI",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Washington University School of Medicine",
      "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": 46,
      "start_date": "2019-07-16",
      "completion_date": "2022-02-25",
      "has_results": false,
      "last_update_posted_date": "2022-04-13",
      "last_synced_at": "2026-10-17T17:34:31.409Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03720821"
    },
    {
      "nct_id": "NCT02922634",
      "title": "Preoperative Cognitive Screening in Older Spinal Surgical Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cognitive Impairment",
        "Frail Elderly Syndrome"
      ],
      "interventions": [
        {
          "name": "Mini Cog",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "70 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "70 Years and older"
      },
      "enrollment_count": 229,
      "start_date": "2017-04-17",
      "completion_date": "2019-06-09",
      "has_results": true,
      "last_update_posted_date": "2021-07-21",
      "last_synced_at": "2026-10-17T17:34:31.409Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02922634"
    },
    {
      "nct_id": "NCT01465360",
      "title": "Performance of AclarusDx™, a Blood-Based Transcriptomic Test for AD, in US Patients Newly Referred to a Memory Center",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Alzheimer's Disease",
        "Mild Cognitive Impairment",
        "Vascular Dementia",
        "Fronto-temporal Dementia",
        "Primary Progressive Aphasia",
        "Parkinson' Disease Dementia",
        "Mixed Dementia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Exonhit",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 160,
      "start_date": "2011-11",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2012-07-06",
      "last_synced_at": "2026-10-17T17:34:31.409Z",
      "location_count": 3,
      "location_summary": "Las Vegas, Nevada • Cleveland, Ohio • Lakewood, Ohio",
      "locations": [
        {
          "city": "Las Vegas",
          "state": "Nevada"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Lakewood",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01465360"
    },
    {
      "nct_id": "NCT06914947",
      "title": "Brain Health Together: Development and Pilot Test",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cognitive Impairment",
        "Subjective Cognitive Decline",
        "Mild Cognitive Impairment (MCI)"
      ],
      "interventions": [
        {
          "name": "Brain Health Together",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 16,
      "start_date": "2021-09-30",
      "completion_date": "2022-10-11",
      "has_results": false,
      "last_update_posted_date": "2025-04-10",
      "last_synced_at": "2026-10-17T17:34:31.409Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06914947"
    },
    {
      "nct_id": "NCT04586049",
      "title": "Cardiovascular and Neurovascular Regulation in GWI",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Brain Blood Flow",
        "Neurovascular Control"
      ],
      "interventions": [
        {
          "name": "MRI",
          "type": "DEVICE"
        },
        {
          "name": "Transcranial Doppler Ultrasound",
          "type": "DEVICE"
        },
        {
          "name": "Sympathetic Nerve Activity",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "68 Years",
        "sex": "ALL",
        "summary": "45 Years to 68 Years"
      },
      "enrollment_count": 70,
      "start_date": "2023-05-16",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-06-08",
      "last_synced_at": "2026-10-17T17:34:31.409Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04586049"
    },
    {
      "nct_id": "NCT03398408",
      "title": "Cognitive Flexibility Training in Persistent Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Pain"
      ],
      "interventions": [
        {
          "name": "Training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 150,
      "start_date": "2017-12-29",
      "completion_date": "2019-08-07",
      "has_results": false,
      "last_update_posted_date": "2020-05-06",
      "last_synced_at": "2026-10-17T17:34:31.409Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03398408"
    },
    {
      "nct_id": "NCT04698356",
      "title": "Speech Perception With High Cognitive Demand",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Speech Intelligibility",
        "Aging"
      ],
      "interventions": [
        {
          "name": "Auditory-cognitive training paradigm",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Maryland, College Park",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 15,
      "start_date": "2021-04-09",
      "completion_date": "2021-07-31",
      "has_results": false,
      "last_update_posted_date": "2023-05-30",
      "last_synced_at": "2026-10-17T17:34:31.409Z",
      "location_count": 1,
      "location_summary": "College Park, Maryland",
      "locations": [
        {
          "city": "College Park",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04698356"
    },
    {
      "nct_id": "NCT04864080",
      "title": "Transdiagnostic Cognitive Biomarkers",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain",
        "Depression"
      ],
      "interventions": [
        {
          "name": "Computer game/task",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Health surveys online",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 48,
      "start_date": "2022-04-11",
      "completion_date": "2027-03-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-15",
      "last_synced_at": "2026-10-17T17:34:31.409Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04864080"
    },
    {
      "nct_id": "NCT06979570",
      "title": "Personalized Performance Optimization Platform",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sensory Science",
        "Performance Assessment",
        "Countermeasure Evaluation",
        "Neurocognitive Function",
        "Psychological Factors"
      ],
      "interventions": [
        {
          "name": "AttentivU",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 80,
      "start_date": "2021-02-22",
      "completion_date": "2025-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-03-30",
      "last_synced_at": "2026-10-17T17:34:31.409Z",
      "location_count": 2,
      "location_summary": "Cambridge, Massachusetts • Charlestown, Massachusetts",
      "locations": [
        {
          "city": "Cambridge",
          "state": "Massachusetts"
        },
        {
          "city": "Charlestown",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06979570"
    },
    {
      "nct_id": "NCT06052163",
      "title": "Bumetanide in Patients With Alzheimer's Disease",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Alzheimer Disease"
      ],
      "interventions": [
        {
          "name": "Bumetanide",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "50 Years to 85 Years"
      },
      "enrollment_count": 40,
      "start_date": "2023-04-10",
      "completion_date": "2026-12-15",
      "has_results": false,
      "last_update_posted_date": "2026-01-14",
      "last_synced_at": "2026-10-17T17:34:31.409Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06052163"
    }
  ]
}