{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Parkinsons+Disease+With+Dementia",
    "query": {
      "condition": "Parkinsons Disease With Dementia"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 56,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Parkinsons+Disease+With+Dementia&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T08:49:57.980Z",
  "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": "NCT00056524",
      "title": "Safety Study of AVP-923 in the Treatment of IEED (Involuntary Emotional Expression Disorder) Also Known as Pseudobulbar Affect (Episodes of Uncontrolled Crying and/or Laughter)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Alzheimer's Disease",
        "Stroke",
        "Parkinson's Disease",
        "Traumatic Brain Injury"
      ],
      "interventions": [
        {
          "name": "AVP-923",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Avanir Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 600,
      "start_date": "2003-02",
      "completion_date": "2007-06",
      "has_results": false,
      "last_update_posted_date": "2016-07-14",
      "last_synced_at": "2026-05-22T08:49:57.980Z",
      "location_count": 39,
      "location_summary": "Phoenix, Arizona • La Jolla, California • Los Angeles, California + 31 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Darien",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00056524"
    },
    {
      "nct_id": "NCT00001549",
      "title": "Diagnosis and Natural History Study of Patients With Neurological Conditions",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Alzheimer's Disease",
        "Dementia",
        "Movement Disorder",
        "Multiple System Atrophy",
        "Parkinson's Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "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": 600,
      "start_date": "1995-10",
      "completion_date": "2006-01",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-05-22T08:49:57.980Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001549"
    },
    {
      "nct_id": "NCT01461109",
      "title": "Research Involving Subjects With Parkinson's Disease, Alzheimer Disease and Healthy Controls",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Parkinson Disease",
        "Alzheimer Disease"
      ],
      "interventions": [
        {
          "name": "[18F] CFPyPB",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Institute for Neurodegenerative Disorders",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 4,
      "start_date": "2011-08",
      "completion_date": "2014-05",
      "has_results": false,
      "last_update_posted_date": "2014-06-04",
      "last_synced_at": "2026-05-22T08:49:57.980Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01461109"
    },
    {
      "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": "2026-05-22T08:49:57.980Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04055532"
    },
    {
      "nct_id": "NCT03325556",
      "title": "Relapse Prevention Study of Pimavanserin in Dementia-related Psychosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Dementia-related Psychosis"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Pimavanserin 34 mg",
          "type": "DRUG"
        },
        {
          "name": "Pimavanserin 20 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "ACADIA Pharmaceuticals Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "50 Years to 90 Years"
      },
      "enrollment_count": 392,
      "start_date": "2017-09-27",
      "completion_date": "2019-10-30",
      "has_results": true,
      "last_update_posted_date": "2021-06-21",
      "last_synced_at": "2026-05-22T08:49:57.980Z",
      "location_count": 27,
      "location_summary": "Costa Mesa, California • Fullerton, California • Aventura, Florida + 22 more",
      "locations": [
        {
          "city": "Costa Mesa",
          "state": "California"
        },
        {
          "city": "Fullerton",
          "state": "California"
        },
        {
          "city": "Aventura",
          "state": "Florida"
        },
        {
          "city": "Boca Raton",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03325556"
    },
    {
      "nct_id": "NCT05395624",
      "title": "Safety, PK and Biodistribution of 18F-OP-801 in Patients With ALS, AD, MS, PD and Healthy Volunteers",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Amyotrophic Lateral Sclerosis (ALS)",
        "Parkinson Disease (PD)",
        "Alzheimer Disease (AD)",
        "Multiple Sclerosis (MS)"
      ],
      "interventions": [
        {
          "name": "18F-OP-801",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ashvattha Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 65,
      "start_date": "2023-02-02",
      "completion_date": "2026-05-01",
      "has_results": false,
      "last_update_posted_date": "2025-05-02",
      "last_synced_at": "2026-05-22T08:49:57.980Z",
      "location_count": 3,
      "location_summary": "San Francisco, California • Stanford, California • Jacksonville, Florida",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05395624"
    },
    {
      "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": "2026-05-22T08:49:57.980Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00988117"
    },
    {
      "nct_id": "NCT00907595",
      "title": "Treating Sleep/Wake Cycle Disturbances in Basal Ganglia Disorders With Ramelteon",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Huntington's Disease",
        "Parkinson's Disease",
        "Dementia With Lewy Bodies",
        "Sleep Disorders",
        "Circadian Dysregulation"
      ],
      "interventions": [
        {
          "name": "Ramelteon",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "20 Years to 90 Years"
      },
      "enrollment_count": 0,
      "start_date": "2009-05",
      "completion_date": "2010-07",
      "has_results": false,
      "last_update_posted_date": "2012-11-06",
      "last_synced_at": "2026-05-22T08:49:57.980Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00907595"
    },
    {
      "nct_id": "NCT03713957",
      "title": "A Study to Assess the Safety of GRF6021 Infusions in Subjects With Parkinson's Disease and Cognitive Impairment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "GRF6021",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Alkahest, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "40 Years to 85 Years"
      },
      "enrollment_count": 79,
      "start_date": "2018-11-12",
      "completion_date": "2020-07-20",
      "has_results": true,
      "last_update_posted_date": "2022-05-09",
      "last_synced_at": "2026-05-22T08:49:57.980Z",
      "location_count": 19,
      "location_summary": "Little Rock, Arkansas • Englewood, Colorado • Doral, Florida + 15 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Englewood",
          "state": "Colorado"
        },
        {
          "city": "Doral",
          "state": "Florida"
        },
        {
          "city": "Edgewater",
          "state": "Florida"
        },
        {
          "city": "Hallandale",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03713957"
    },
    {
      "nct_id": "NCT03924414",
      "title": "Trial of Parkinson's And Zoledronic Acid",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "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": 2650,
      "start_date": "2019-11-15",
      "completion_date": "2025-10-31",
      "has_results": false,
      "last_update_posted_date": "2025-03-04",
      "last_synced_at": "2026-05-22T08:49:57.980Z",
      "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"
    }
  ]
}