{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Parkinson%27s+Disease&page=11",
    "query": {
      "condition": "Parkinson's Disease",
      "page": 11
    },
    "page_size": 10
  },
  "pagination": {
    "page": 11,
    "page_size": 10,
    "total_count": 1409,
    "total_pages": 141,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Parkinson%27s+Disease&page=12&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Parkinson%27s+Disease&page=10&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-14T13:55:28.702Z",
  "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": "NCT01558479",
      "title": "The Parkinson's Genetic Research Study",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5000,
      "start_date": "2009-09",
      "completion_date": "2026-10-31",
      "has_results": false,
      "last_update_posted_date": "2024-05-14",
      "last_synced_at": "2026-10-14T13:55:28.702Z",
      "location_count": 5,
      "location_summary": "Atlanta, Georgia • Cincinnati, Ohio • Portland, Oregon + 1 more",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01558479"
    },
    {
      "nct_id": "NCT03496870",
      "title": "A Study of the Pharmacokinetics, Pharmacodynamics, and Safety of Opicapone in Subjects With Parkinson's Disease Taking Levodopa.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "Opicapone",
          "type": "DRUG"
        },
        {
          "name": "Carbidopa Levodopa",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Neurocrine Biosciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 16,
      "start_date": "2018-02-08",
      "completion_date": "2018-07-02",
      "has_results": false,
      "last_update_posted_date": "2019-03-22",
      "last_synced_at": "2026-10-14T13:55:28.702Z",
      "location_count": 3,
      "location_summary": "Glendale, California • Long Beach, California • Farmington Hills, Michigan",
      "locations": [
        {
          "city": "Glendale",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Farmington Hills",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03496870"
    },
    {
      "nct_id": "NCT01301573",
      "title": "Long Term Follow-Up Study for rAAV-GAD Treated Subjects",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "rAAV-GAD",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Neurologix, 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": 40,
      "start_date": "2011-01",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2012-02-22",
      "last_synced_at": "2026-10-14T13:55:28.702Z",
      "location_count": 6,
      "location_summary": "Stanford, California • Aurora, Colorado • Boston, Massachusetts + 3 more",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Southfield",
          "state": "Michigan"
        },
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01301573"
    },
    {
      "nct_id": "NCT02906020",
      "title": "A Global Study to Assess the Drug Dynamics, Efficacy, and Safety of Venglustat (GZ/SAR402671) in Parkinson's Disease Patients Carrying a Glucocerebrosidase (GBA) Gene Mutation",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "venglustat GZ/SAR402671",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Genzyme, a Sanofi Company",
      "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": 273,
      "start_date": "2016-12-15",
      "completion_date": "2021-05-27",
      "has_results": true,
      "last_update_posted_date": "2022-05-24",
      "last_synced_at": "2026-10-14T13:55:28.702Z",
      "location_count": 19,
      "location_summary": "Scottsdale, Arizona • La Jolla, California • Palo Alto, California + 10 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Sunnyvale",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02906020"
    },
    {
      "nct_id": "NCT07781696",
      "title": "CnF-DBS for Levodopa-Resistant FOG",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Freezing of Gait Symptoms in Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "Active Stimulation",
          "type": "DEVICE"
        },
        {
          "name": "Sham (No Treatment)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Iahn Cajigas",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "35 Years to 80 Years"
      },
      "enrollment_count": 18,
      "start_date": "2026-09",
      "completion_date": "2028-08",
      "has_results": false,
      "last_update_posted_date": "2026-08-24",
      "last_synced_at": "2026-10-14T13:55:28.702Z",
      "location_count": 3,
      "location_summary": "San Francisco, California • Miami, Florida • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07781696"
    },
    {
      "nct_id": "NCT00653783",
      "title": "Diagnostic and Prognostic Biomarkers in Parkinson Disease",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Parkinson Disease",
        "Multiple System Atrophy",
        "Progressive Supranuclear Palsy"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "The Parkinson Study Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2007-08",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2008-12-31",
      "last_synced_at": "2026-10-14T13:55:28.702Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00653783"
    },
    {
      "nct_id": "NCT00853346",
      "title": "Psychosocial Treatment of Depression in Parkinson's Disease",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Major Depressive Disorder",
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "Cognitive Behavioral Therapy",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Amy Farabaugh, PhD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "40 Years to 80 Years"
      },
      "enrollment_count": 80,
      "start_date": "2007-04",
      "completion_date": "2013-04",
      "has_results": false,
      "last_update_posted_date": "2012-11-16",
      "last_synced_at": "2026-10-14T13:55:28.702Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00853346"
    },
    {
      "nct_id": "NCT02548897",
      "title": "Uncovering an Electrical Biomarker for Freezing of Gait in Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "Deep brain stimulation",
          "type": "DEVICE"
        },
        {
          "name": "Electroencephalography",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "30 Years to 75 Years"
      },
      "enrollment_count": 5,
      "start_date": "2015-10",
      "completion_date": "2017-08-15",
      "has_results": false,
      "last_update_posted_date": "2017-09-25",
      "last_synced_at": "2026-10-14T13:55:28.702Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02548897"
    },
    {
      "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": "2026-10-14T13:55:28.702Z",
      "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": "NCT07625605",
      "title": "The Meals Study for Amyotrophic Lateral Sclerosis and Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Amyotrophic Lateral Sclerosis (ALS)",
        "Parkinson's Disease (PD)"
      ],
      "interventions": [
        {
          "name": "The MIND diet",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "The University of Tennessee, Knoxville",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Years and older"
      },
      "enrollment_count": 43,
      "start_date": "2023-11-20",
      "completion_date": "2025-05-21",
      "has_results": false,
      "last_update_posted_date": "2026-06-04",
      "last_synced_at": "2026-10-14T13:55:28.702Z",
      "location_count": 3,
      "location_summary": "Elizabethton, Tennessee • Knoxville, Tennessee",
      "locations": [
        {
          "city": "Elizabethton",
          "state": "Tennessee"
        },
        {
          "city": "Knoxville",
          "state": "Tennessee"
        },
        {
          "city": "Knoxville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07625605"
    }
  ]
}