{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Primary+Parkinsonism&page=12",
    "query": {
      "condition": "Primary Parkinsonism",
      "page": 12
    },
    "page_size": 10
  },
  "pagination": {
    "page": 12,
    "page_size": 10,
    "total_count": 1450,
    "total_pages": 145,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Primary+Parkinsonism&page=13&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Primary+Parkinsonism&page=11&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-23T13:23:22.473Z",
  "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": "NCT00315250",
      "title": "Development of Imaging, Clinical and Biochemical Bio-Markers for Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Parkinson's Disease",
        "Parkinsonian Syndrome"
      ],
      "interventions": [
        {
          "name": "[123I]β-CIT",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Institute for Neurodegenerative Disorders",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "22 Years and older"
      },
      "enrollment_count": 225,
      "start_date": "2006-01",
      "completion_date": "2010-06",
      "has_results": false,
      "last_update_posted_date": "2014-05-09",
      "last_synced_at": "2026-10-23T13:23:22.473Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00315250"
    },
    {
      "nct_id": "NCT06191874",
      "title": "Evaluation of Advanced Imaging and Visualization for Clinical Deep Brain Stimulation",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Deep Brain Stimulation"
      ],
      "interventions": [
        {
          "name": "Standard-of-care (SOC) surgery plan",
          "type": "OTHER"
        },
        {
          "name": "HoloDBS hypothetical surgery plan",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 22,
      "start_date": "2024-03-01",
      "completion_date": "2025-05-29",
      "has_results": true,
      "last_update_posted_date": "2026-07-24",
      "last_synced_at": "2026-10-23T13:23:22.473Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06191874"
    },
    {
      "nct_id": "NCT01721460",
      "title": "Effects of Dexmedetomidine on Activity in the Subthalamic Nucleus",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Parkinson's Disease",
        "Deep Brain Stimulation Surgery"
      ],
      "interventions": [
        {
          "name": "Dexmedetomidine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 6,
      "start_date": "2012-11",
      "completion_date": "2015-06",
      "has_results": true,
      "last_update_posted_date": "2017-12-08",
      "last_synced_at": "2026-10-23T13:23:22.473Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01721460"
    },
    {
      "nct_id": "NCT00332917",
      "title": "An Open Label SLV308 Safety Extension to Study S308.3.001 in Early PD Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Early Stage Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "Pardoprunox",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Solvay Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Years and older"
      },
      "enrollment_count": 224,
      "start_date": "2007-02",
      "completion_date": "2008-07",
      "has_results": false,
      "last_update_posted_date": "2009-01-26",
      "last_synced_at": "2026-10-23T13:23:22.473Z",
      "location_count": 25,
      "location_summary": "Huntsville, Alabama • Little Rock, Arkansas • Fountain Valley, California + 21 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00332917"
    },
    {
      "nct_id": "NCT01171313",
      "title": "A Efficacy, Safety and Pharmacokinetic Study of XP21279 and Sinemet® in Parkinson's Disease Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "XP21279 and carbidopa (experimental)",
          "type": "DRUG"
        },
        {
          "name": "Sinemet (comparator)",
          "type": "DRUG"
        },
        {
          "name": "Placebo for XP21279 and carbidopa",
          "type": "DRUG"
        },
        {
          "name": "Placebo for Sinemet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "XenoPort, Inc.",
      "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": 35,
      "start_date": "2010-07",
      "completion_date": "2011-12",
      "has_results": false,
      "last_update_posted_date": "2021-02-18",
      "last_synced_at": "2026-10-23T13:23:22.473Z",
      "location_count": 12,
      "location_summary": "Phoenix, Arizona • Little Rock, Arkansas • Long Beach, California + 9 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Sunnyvale",
          "state": "California"
        },
        {
          "city": "Naples",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01171313"
    },
    {
      "nct_id": "NCT04383665",
      "title": "Low Frequency Subthalamic Nucleus Deep Brain Stimulation to Improve Verbal Fluency",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "STN DBS 10Hz",
          "type": "DEVICE"
        },
        {
          "name": "STN DBS 130Hz",
          "type": "DEVICE"
        },
        {
          "name": "STN DBS off",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 12,
      "start_date": "2020-01-31",
      "completion_date": "2020-03-03",
      "has_results": true,
      "last_update_posted_date": "2021-07-15",
      "last_synced_at": "2026-10-23T13:23:22.473Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04383665"
    },
    {
      "nct_id": "NCT04726709",
      "title": "Poised for Parkinson's - an Intervention to Increase Embodied Agency in People With Parkinson's Disease and Their Carers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "Poised for Parkinson's",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Idaho",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 32,
      "start_date": "2020-06-05",
      "completion_date": "2022-02-23",
      "has_results": true,
      "last_update_posted_date": "2023-12-29",
      "last_synced_at": "2026-10-23T13:23:22.473Z",
      "location_count": 1,
      "location_summary": "Candler, North Carolina",
      "locations": [
        {
          "city": "Candler",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04726709"
    },
    {
      "nct_id": "NCT01494532",
      "title": "A Fixed Dose Study of Ropinirole Prolonged Release as Adjunctive Treatment in Patients With Advanced Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "ropinirole/L-dopa",
          "type": "DRUG"
        },
        {
          "name": "placebo/L-dopa",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Years and older"
      },
      "enrollment_count": 352,
      "start_date": "2012-04-02",
      "completion_date": "2014-11-18",
      "has_results": true,
      "last_update_posted_date": "2018-06-20",
      "last_synced_at": "2026-10-23T13:23:22.473Z",
      "location_count": 9,
      "location_summary": "Fountain Valley, California • Pasadena, California • Reseda, California + 6 more",
      "locations": [
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "Pasadena",
          "state": "California"
        },
        {
          "city": "Reseda",
          "state": "California"
        },
        {
          "city": "Ventura",
          "state": "California"
        },
        {
          "city": "Boca Raton",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01494532"
    },
    {
      "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": "2026-10-23T13:23:22.473Z",
      "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": "NCT03563807",
      "title": "Golf Instruction Versus Tai Chi for People With Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parkinson Disease",
        "Movement Disorders",
        "Neuro-Degenerative Disease"
      ],
      "interventions": [
        {
          "name": "Golf Instruction",
          "type": "OTHER"
        },
        {
          "name": "Tai Chi Class",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 35,
      "start_date": "2018-04-23",
      "completion_date": "2020-06-01",
      "has_results": false,
      "last_update_posted_date": "2020-09-03",
      "last_synced_at": "2026-10-23T13:23:22.473Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03563807"
    }
  ]
}