{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Impaired+Cognition&page=51",
    "query": {
      "condition": "Impaired Cognition",
      "page": 51
    },
    "page_size": 10
  },
  "pagination": {
    "page": 51,
    "page_size": 10,
    "total_count": 1884,
    "total_pages": 189,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Impaired+Cognition&page=52&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Impaired+Cognition&page=50&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-31T18:12:34.875Z",
  "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": "NCT00594633",
      "title": "Adjunctive Donepezil Therapy and Genetic Risk Factors of Cognitive Dysfunction in Brain Tumor Survivors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Brain Tumor",
        "Brain Cancer",
        "Cns Cancer",
        "Cognitive Dysfunction"
      ],
      "interventions": [
        {
          "name": "donepezil and questionaires",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 25,
      "start_date": "2004-10",
      "completion_date": "2016-01",
      "has_results": false,
      "last_update_posted_date": "2016-01-14",
      "last_synced_at": "2026-10-31T18:12:34.875Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00594633"
    },
    {
      "nct_id": "NCT00754052",
      "title": "Evaluating The Efficacy And Safety Of Donepezil Hydrochloride (Aricept) In The Treatment Of The Cognitive Dysfunction Exhibited By Children With Down Syndrome, Aged 11 To 17",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Down Syndrome",
        "Cognitive Dysfunction"
      ],
      "interventions": [
        {
          "name": "Aricept (donepezil hydrochloride)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eisai Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "11 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "11 Years to 17 Years"
      },
      "enrollment_count": 8,
      "start_date": "2008-09",
      "completion_date": "2008-12",
      "has_results": true,
      "last_update_posted_date": "2018-04-23",
      "last_synced_at": "2026-10-31T18:12:34.875Z",
      "location_count": 2,
      "location_summary": "San Antonio, Texas • Herndon, Virginia",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        },
        {
          "city": "Herndon",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00754052"
    },
    {
      "nct_id": "NCT00852358",
      "title": "A Study of Intrathecal Enzyme Therapy for Cognitive Decline in MPS I",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cognitive Decline",
        "Mucopolysaccharidosis I",
        "Hurler-Scheie Syndrome",
        "Scheie Syndrome",
        "Lysosomal Storage Disease"
      ],
      "interventions": [
        {
          "name": "laronidase",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Patricia I. Dickson, M.D.",
      "sponsor_class": "INDIV",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "6 Years and older"
      },
      "enrollment_count": 9,
      "start_date": "2009-06",
      "completion_date": "2015-04",
      "has_results": false,
      "last_update_posted_date": "2016-01-26",
      "last_synced_at": "2026-10-31T18:12:34.875Z",
      "location_count": 3,
      "location_summary": "Oakland, California • Torrance, California • Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00852358"
    },
    {
      "nct_id": "NCT07318038",
      "title": "The Use of Rhythmic Light Therapy in Mild Cognitive Impairment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Mild Cognitive Impairment"
      ],
      "interventions": [
        {
          "name": "Flickering Light",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "55 Years to 80 Years"
      },
      "enrollment_count": 20,
      "start_date": "2025-12-08",
      "completion_date": "2026-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-25",
      "last_synced_at": "2026-10-31T18:12:34.875Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07318038"
    },
    {
      "nct_id": "NCT07667478",
      "title": "NON-INVASIVE BRAIN STIMULATION FOR MEMORY LOSS IN EARLY ALZHEIMER'S DISEASE",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Alzheimer s Disease",
        "Mild Cognitive Impairment (MCI) Due to Alzheimer's Disease",
        "Mild Dementia"
      ],
      "interventions": [
        {
          "name": "repetitive transcranial magnetic stimulation (rTMS)",
          "type": "DEVICE"
        },
        {
          "name": "sham repetitive transcranial magnetic stimulation rTMS",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Chi-Ying (Roy) Lin",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "55 Years to 90 Years"
      },
      "enrollment_count": 40,
      "start_date": "2026-04-15",
      "completion_date": "2031-04-14",
      "has_results": false,
      "last_update_posted_date": "2026-10-01",
      "last_synced_at": "2026-10-31T18:12:34.875Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07667478"
    },
    {
      "nct_id": "NCT06234462",
      "title": "A Study of Amantadine for Cognitive Dysfunction in Patients With Long-Covid",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Long COVID",
        "Post-Acute COVID-19 Syndrome"
      ],
      "interventions": [
        {
          "name": "Amantadine",
          "type": "DRUG"
        },
        {
          "name": "Physical, Occupational, Speech Therapy",
          "type": "OTHER"
        },
        {
          "name": "Provider Counseling",
          "type": "OTHER"
        },
        {
          "name": "Medications for symptoms management",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "20 Years to 65 Years"
      },
      "enrollment_count": 0,
      "start_date": "2025-06",
      "completion_date": "2025-10-01",
      "has_results": false,
      "last_update_posted_date": "2025-08-26",
      "last_synced_at": "2026-10-31T18:12:34.875Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06234462"
    },
    {
      "nct_id": "NCT03094988",
      "title": "COgnitive and Physical Exercise (COPE) Prehabilitation Pilot Feasibility Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cognitive Impairment",
        "Physical Impairment",
        "Postoperative Complications"
      ],
      "interventions": [
        {
          "name": "Cognitive and physical prehabilitation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Active attention control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Vanderbilt University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 32,
      "start_date": "2017-03-01",
      "completion_date": "2018-09-01",
      "has_results": false,
      "last_update_posted_date": "2021-01-14",
      "last_synced_at": "2026-10-31T18:12:34.875Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03094988"
    },
    {
      "nct_id": "NCT00567203",
      "title": "A Study Of Adjunctive Treatment Of Cognitive Deficits In Schizophrenia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Schizophrenia"
      ],
      "interventions": [
        {
          "name": "PF-3463275",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 36,
      "start_date": "2007-11",
      "completion_date": "2008-05",
      "has_results": false,
      "last_update_posted_date": "2008-10-02",
      "last_synced_at": "2026-10-31T18:12:34.875Z",
      "location_count": 2,
      "location_summary": "Glendale, California • Willingboro, New Jersey",
      "locations": [
        {
          "city": "Glendale",
          "state": "California"
        },
        {
          "city": "Willingboro",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00567203"
    },
    {
      "nct_id": "NCT04840979",
      "title": "Discovery and Validation of Genetic Variants Affecting Microglial Activation in Alzheimer's Disease",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Alzheimer Disease"
      ],
      "interventions": [
        {
          "name": "11C-ER176",
          "type": "DRUG"
        },
        {
          "name": "18F-florbetaben",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 107,
      "start_date": "2021-05-11",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-05-14",
      "last_synced_at": "2026-10-31T18:12:34.875Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04840979"
    },
    {
      "nct_id": "NCT06516588",
      "title": "tDCS for Post-Stroke Cognitive Impairment",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Stroke",
        "Mild Cognitive Impairment"
      ],
      "interventions": [
        {
          "name": "Transcranial Dirrect Current Stimulation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Oklahoma",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 80,
      "start_date": "2024-09-30",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2024-10-10",
      "last_synced_at": "2026-10-31T18:12:34.875Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06516588"
    }
  ]
}