{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Parkinsons+Disease+With+Dementia+%28PDD%29",
    "query": {
      "condition": "Parkinsons Disease With Dementia (PDD)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 5,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-23T21:33:39.309Z",
  "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": "NCT00623103",
      "title": "Long-term Safety of Rivastigmine Capsule and Patch in Patients With Mild to Moderately-severe Dementia Associated With Parkinson's Disease (PDD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Parkinson's Disease Dementia"
      ],
      "interventions": [
        {
          "name": "Rivastigmine capsule",
          "type": "DRUG"
        },
        {
          "name": "Rivastigmine transdermal patch",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis",
      "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": 583,
      "start_date": "2008-01",
      "completion_date": null,
      "has_results": true,
      "last_update_posted_date": "2011-11-28",
      "last_synced_at": "2026-07-23T21:33:39.309Z",
      "location_count": 17,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Reseda, California + 14 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Reseda",
          "state": "California"
        },
        {
          "city": "Ventura",
          "state": "California"
        },
        {
          "city": "Hollywood",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00623103"
    },
    {
      "nct_id": "NCT02708186",
      "title": "Study Evaluating Nelotanserin for Treatment of REM Sleep Behavior Disorder in Subjects With Dementia (DLB or PDD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Dementia With Lewy Bodies",
        "REM Sleep Behavior Disorder",
        "Parkinson's Disease Dementia"
      ],
      "interventions": [
        {
          "name": "Nelotanserin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Axovant Sciences Ltd.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 34,
      "start_date": "2016-03",
      "completion_date": "2018-05",
      "has_results": true,
      "last_update_posted_date": "2020-05-20",
      "last_synced_at": "2026-07-23T21:33:39.309Z",
      "location_count": 23,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Sun City, Arizona + 20 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Sun City",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Englewood",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02708186"
    },
    {
      "nct_id": "NCT00988117",
      "title": "The Effects of the Rivastigmine Patch on Parkinson's Disease With Memory and/or Thinking Problems",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Parkinsons Disease With Dementia",
        "Parkinsons Disease With Mild to Moderate Memory and/or Thinking Problems"
      ],
      "interventions": [
        {
          "name": "Rivastigmine Patch 9.5 cm2",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "55 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2010-04",
      "completion_date": "2011-04",
      "has_results": true,
      "last_update_posted_date": "2014-02-26",
      "last_synced_at": "2026-07-23T21:33:39.309Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00988117"
    },
    {
      "nct_id": "NCT04055532",
      "title": "Biomarkers in Neurodegenerative Diseases",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Mild Cognitive Impairment (MCI)",
        "Alzheimer Disease (AD)",
        "Dementia With Lewy Bodies (DLB)",
        "Frontotemporal Lobar Degeneration (FTLD)",
        "Parkinsons Disease With Dementia (PDD)",
        "Transient Epileptic Amnesia (TEA)",
        "Temporal Lobe Epilepsy (TLE)",
        "Spinocerebellar Ataxias (SCA)",
        "HIV Associated Neurocognitive Disorder (HAND)",
        "Amyotrophic Lateral Sclerosis (ALS)",
        "Primary Lateral Sclerosis (PLS)"
      ],
      "interventions": [
        {
          "name": "Neuraceq",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2019-10-01",
      "completion_date": "2025-10-01",
      "has_results": false,
      "last_update_posted_date": "2019-11-12",
      "last_synced_at": "2026-07-23T21:33:39.309Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04055532"
    },
    {
      "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": "2026-07-23T21:33:39.309Z",
      "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"
    }
  ]
}