{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Primary+Parkinsonism&page=9",
    "query": {
      "condition": "Primary Parkinsonism",
      "page": 9
    },
    "page_size": 10
  },
  "pagination": {
    "page": 9,
    "page_size": 10,
    "total_count": 1450,
    "total_pages": 145,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Primary+Parkinsonism&page=10&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Primary+Parkinsonism&page=8&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-23T06:26:43.211Z",
  "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": "NCT03019757",
      "title": "Distinguishing Between Alzheimer's Disease, Lewy Body Dementia, and Parkinson's Disease",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Alzheimer's Disease",
        "Lewy Body Dementia",
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "DaTscan",
          "type": "RADIATION"
        },
        {
          "name": "F18-AV-45",
          "type": "RADIATION"
        },
        {
          "name": "FDG-PET",
          "type": "RADIATION"
        },
        {
          "name": "APOE genotype",
          "type": "GENETIC"
        },
        {
          "name": "Polysomnogram",
          "type": "PROCEDURE"
        },
        {
          "name": "Clinical Assessment",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "GENETIC",
        "PROCEDURE",
        "BEHAVIORAL"
      ],
      "sponsor": "Douglas Scharre",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 76,
      "start_date": "2018-08-30",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-10-15",
      "last_synced_at": "2026-10-23T06:26:43.211Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03019757"
    },
    {
      "nct_id": "NCT00123084",
      "title": "Efficacy of Voice Treatment for Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parkinson's Disease",
        "Dysphagia",
        "Dysarthria"
      ],
      "interventions": [
        {
          "name": "Voice/Respiration Treatment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Speech/Articulation Treatment",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Colorado, Boulder",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "45 Years to 85 Years"
      },
      "enrollment_count": 620,
      "start_date": "2002-03",
      "completion_date": "2012-09-30",
      "has_results": false,
      "last_update_posted_date": "2018-07-31",
      "last_synced_at": "2026-10-23T06:26:43.211Z",
      "location_count": 2,
      "location_summary": "Denver, Colorado • San Antonio, Texas",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00123084"
    },
    {
      "nct_id": "NCT03781791",
      "title": "Orally Administered ENT-01 for Parkinson's Disease-Related Constipation (KARMET)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Constipation",
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "Active Investigational Treatment ENT-01",
          "type": "DRUG"
        },
        {
          "name": "Placebo Treatment",
          "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": 151,
      "start_date": "2018-12-10",
      "completion_date": "2021-12-14",
      "has_results": true,
      "last_update_posted_date": "2024-02-20",
      "last_synced_at": "2026-10-23T06:26:43.211Z",
      "location_count": 51,
      "location_summary": "Sun City, Arizona • Little Rock, Arkansas • Fountain Valley, California + 44 more",
      "locations": [
        {
          "city": "Sun City",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Oxnard",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03781791"
    },
    {
      "nct_id": "NCT04011449",
      "title": "State-dependent Pathophysiological Oscillations in Parkinson's Disease and Treatment With DBS Using the Medtronic RC+S",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parkinson Disease",
        "Parkinson"
      ],
      "interventions": [
        {
          "name": "Medtronic RC+S DBS system",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "45 Years to 75 Years"
      },
      "enrollment_count": 0,
      "start_date": "2019-09-01",
      "completion_date": "2020-12-31",
      "has_results": false,
      "last_update_posted_date": "2021-04-09",
      "last_synced_at": "2026-10-23T06:26:43.211Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04011449"
    },
    {
      "nct_id": "NCT00096876",
      "title": "A Study of the Sense of Smell in Relatives of Parkinson's Disease Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Parkinson Disease",
        "Parkinsonian Syndrome"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Institute for Neurodegenerative Disorders",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 600,
      "start_date": "2004-10",
      "completion_date": "2008-06",
      "has_results": false,
      "last_update_posted_date": "2019-04-03",
      "last_synced_at": "2026-10-23T06:26:43.211Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00096876"
    },
    {
      "nct_id": "NCT06765668",
      "title": "A Study of CREXONT (Carbidopa and Levodopa) Extended-Release Capsules in Participants With Parkinson's Disease",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "CREXONT ER",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Impax Laboratories, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 220,
      "start_date": "2025-02-12",
      "completion_date": "2026-08-06",
      "has_results": false,
      "last_update_posted_date": "2025-08-24",
      "last_synced_at": "2026-10-23T06:26:43.211Z",
      "location_count": 27,
      "location_summary": "Phoenix, Arizona • Little Rock, Arkansas • Aliso Viejo, California + 22 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Aliso Viejo",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Aventura",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06765668"
    },
    {
      "nct_id": "NCT03799614",
      "title": "Vibration Impact on Parkinson's Tremor",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "RMBand lower dose",
          "type": "DEVICE"
        },
        {
          "name": "RMBand higher dose",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Virginia Commonwealth University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "95 Years",
        "sex": "ALL",
        "summary": "21 Years to 95 Years"
      },
      "enrollment_count": 30,
      "start_date": "2019-02-26",
      "completion_date": "2019-11-27",
      "has_results": true,
      "last_update_posted_date": "2020-12-17",
      "last_synced_at": "2026-10-23T06:26:43.211Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03799614"
    },
    {
      "nct_id": "NCT05771558",
      "title": "The Effect of a Lighting Intervention on Sleep in Parkinson Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parkinson Disease",
        "Sleep Disturbance"
      ],
      "interventions": [
        {
          "name": "Tailored Lighting Intervention (TLI)",
          "type": "DEVICE"
        },
        {
          "name": "Actigraph",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 48,
      "start_date": "2022-11-14",
      "completion_date": "2025-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-07-16",
      "last_synced_at": "2026-10-23T06:26:43.211Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05771558"
    },
    {
      "nct_id": "NCT05700825",
      "title": "Rehabilitation of Airway Protection in Parkinson's Disease",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Parkinson Disease",
        "Dysphagia"
      ],
      "interventions": [
        {
          "name": "Expiratory Muscle Strength Training + Cough Skill Training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Teachers College, Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "50 Years to 90 Years"
      },
      "enrollment_count": 120,
      "start_date": "2022-08-11",
      "completion_date": "2027-09-01",
      "has_results": false,
      "last_update_posted_date": "2026-10-08",
      "last_synced_at": "2026-10-23T06:26:43.211Z",
      "location_count": 2,
      "location_summary": "West Lafayette, Indiana • New York, New York",
      "locations": [
        {
          "city": "West Lafayette",
          "state": "Indiana"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05700825"
    },
    {
      "nct_id": "NCT00163085",
      "title": "The Effects of an NR2B NMDA Antagonist, CP-101,606, in Patients With Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "NR2B NMDA Antagonist CP-101,606 (traxoprodil)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "30 Years to 80 Years"
      },
      "enrollment_count": 12,
      "start_date": "2005-05",
      "completion_date": "2006-01",
      "has_results": false,
      "last_update_posted_date": "2006-09-22",
      "last_synced_at": "2026-10-23T06:26:43.211Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00163085"
    }
  ]
}