{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Dementia+in+Parkinsons+Disease&page=3",
    "query": {
      "condition": "Dementia in Parkinsons Disease",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 77,
    "total_pages": 8,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Dementia+in+Parkinsons+Disease&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Dementia+in+Parkinsons+Disease&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-11T09:40:33.053Z",
  "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": "NCT03938922",
      "title": "A Study to Evaluate ENT-01 for the Treatment of Parkinson's Disease Dementia",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Parkinson Disease",
        "Dementia"
      ],
      "interventions": [
        {
          "name": "Active Investigational Treatment ENT-01",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Enterin Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "30 Years to 90 Years"
      },
      "enrollment_count": 0,
      "start_date": "2024-03-01",
      "completion_date": "2025-12-15",
      "has_results": false,
      "last_update_posted_date": "2024-03-01",
      "last_synced_at": "2026-10-11T09:40:33.053Z",
      "location_count": 3,
      "location_summary": "Fresno, California • Toms River, New Jersey • Dayton, Ohio",
      "locations": [
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Toms River",
          "state": "New Jersey"
        },
        {
          "city": "Dayton",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03938922"
    },
    {
      "nct_id": "NCT00030979",
      "title": "Donepezil to Treat Dementia in Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "Donepezil",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Neurological Disorders and Stroke (NINDS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 28,
      "start_date": "2002-02",
      "completion_date": "2005-03",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-10-11T09:40:33.053Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00030979"
    },
    {
      "nct_id": "NCT00917280",
      "title": "Connecting the Lab to Everyday Life: The Relevance of Executive Dysfunction to Participation and Quality of Life in Parkinson's Disease (PD) Without Dementia",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "40 Years to 70 Years"
      },
      "enrollment_count": 174,
      "start_date": "2008-12",
      "completion_date": "2014-07",
      "has_results": false,
      "last_update_posted_date": "2015-06-03",
      "last_synced_at": "2026-10-11T09:40:33.053Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00917280"
    },
    {
      "nct_id": "NCT04764669",
      "title": "A Study of E2027 in Participants With Dementia With Lewy Bodies (DLB) or Parkinson's Disease Dementia (PDD) With or Without Amyloid Copathology",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Lewy Body Disease",
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "E2027",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eisai Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "50 Years to 85 Years"
      },
      "enrollment_count": 34,
      "start_date": "2021-02-25",
      "completion_date": "2022-01-27",
      "has_results": true,
      "last_update_posted_date": "2022-09-26",
      "last_synced_at": "2026-10-11T09:40:33.053Z",
      "location_count": 13,
      "location_summary": "Sun City, Arizona • Atlantis, Florida • Miami, Florida + 10 more",
      "locations": [
        {
          "city": "Sun City",
          "state": "Arizona"
        },
        {
          "city": "Atlantis",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Pompano Beach",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04764669"
    },
    {
      "nct_id": "NCT01052350",
      "title": "PET Imaging in Parkinson Disease Dementia",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 320,
      "start_date": "2006-08",
      "completion_date": "2030-07",
      "has_results": false,
      "last_update_posted_date": "2026-05-12",
      "last_synced_at": "2026-10-11T09:40:33.053Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01052350"
    },
    {
      "nct_id": "NCT02702102",
      "title": "Imaging Inflammation in Patients With Parkinson's Disease Dementia or Dementia With Lewy Bodies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Diffuse Lewy Body Disease",
        "Dementia With Lewy Bodies",
        "Parkinson's Disease Dementia"
      ],
      "interventions": [
        {
          "name": "11C-PBR28",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 5,
      "start_date": "2015-12",
      "completion_date": "2019-09-04",
      "has_results": true,
      "last_update_posted_date": "2025-03-18",
      "last_synced_at": "2026-10-11T09:40:33.053Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02702102"
    },
    {
      "nct_id": "NCT03924414",
      "title": "Trial of Parkinson's And Zoledronic Acid",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Parkinson Disease",
        "Osteoporosis",
        "Parkinsonism",
        "Parkinson's Disease and Parkinsonism",
        "Atypical Parkinsonism",
        "Progressive Supranuclear Palsy",
        "Multiple System Atrophy",
        "Vascular Parkinsonism",
        "Dementia With Lewy Bodies"
      ],
      "interventions": [
        {
          "name": "Zoledronic Acid 5Mg/Bag 100Ml Inj",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "California Pacific Medical Center Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 2721,
      "start_date": "2019-11-15",
      "completion_date": "2026-02-28",
      "has_results": false,
      "last_update_posted_date": "2026-06-25",
      "last_synced_at": "2026-10-11T09:40:33.053Z",
      "location_count": 77,
      "location_summary": "Scottsdale, Arizona • Fayetteville, Arkansas • Little Rock, Arkansas + 58 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Berkeley",
          "state": "California"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03924414"
    },
    {
      "nct_id": "NCT01503944",
      "title": "A Trial of 18F-AV-133 and 18F-AV-45 Positron Emission Tomography (PET)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Dementia With Lewy Bodies",
        "Alzheimer's Disease",
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "18F-AV-133",
          "type": "DRUG"
        },
        {
          "name": "18F-AV-45",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Avid Radiopharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2010-03",
      "completion_date": "2011-07",
      "has_results": false,
      "last_update_posted_date": "2012-08-14",
      "last_synced_at": "2026-10-11T09:40:33.053Z",
      "location_count": 2,
      "location_summary": "Sun City, Arizona • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Sun City",
          "state": "Arizona"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01503944"
    },
    {
      "nct_id": "NCT03233646",
      "title": "Retinal Imaging in Neurodegenerative Disease",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Alzheimer's Disease",
        "Mild Cognitive Impairment",
        "Parkinson's Disease",
        "Multiple Sclerosis",
        "Huntington Disease",
        "Lewy Body Dementia",
        "Frontotemporal Dementia",
        "Amyotrophic Lateral Sclerosis (ALS)",
        "APOE-4 Positive",
        "Traumatic Brain Injury",
        "Concussion",
        "Post-Traumatic Stress Disorder",
        "Down Syndrome",
        "Neuro-Degenerative Disease",
        "Normal Cognition"
      ],
      "interventions": [
        {
          "name": "Retinal and Choroidal Imaging",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2000,
      "start_date": "2017-07-20",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-02-04",
      "last_synced_at": "2026-10-11T09:40:33.053Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03233646"
    },
    {
      "nct_id": "NCT01056965",
      "title": "Davunetide (AL-108) in Predicted Tauopathies - Pilot Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Predicted Tauopathies, Including",
        "Progressive Supranuclear Palsy",
        "Frontotemporal Dementia With Parkinsonism Linked to Chromosome 17",
        "Corticobasal Degeneration Syndrome",
        "Progressive Nonfluent Aphasia"
      ],
      "interventions": [
        {
          "name": "davunetide (AL-108, NAP)",
          "type": "DRUG"
        },
        {
          "name": "Placebo nasal spray",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "40 Years to 85 Years"
      },
      "enrollment_count": 12,
      "start_date": "2010-01",
      "completion_date": "2012-12",
      "has_results": false,
      "last_update_posted_date": "2019-04-05",
      "last_synced_at": "2026-10-11T09:40:33.053Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01056965"
    }
  ]
}