{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Primary+Parkinsonism",
    "query": {
      "condition": "Primary Parkinsonism"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 1422,
    "total_pages": 143,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Primary+Parkinsonism&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-23T07:09:00.824Z",
  "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": "NCT01711866",
      "title": "A Phase 4, Open-label Study to Assess the Feasibility and Efficacy on Motor and Non-motor Symptoms of Switching From Pramipexole or Ropinirole to Rotigotine Transdermal Patch in Subjects With Advanced Idiopathic Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Advanced Idiopathic Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "Rotigotine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "UCB BIOSCIENCES GmbH",
      "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": 87,
      "start_date": "2012-09",
      "completion_date": "2013-03",
      "has_results": true,
      "last_update_posted_date": "2014-04-07",
      "last_synced_at": "2026-07-23T07:09:00.824Z",
      "location_count": 6,
      "location_summary": "Anniston, Alabama • Atlantis, Florida • Miami Springs, Florida + 3 more",
      "locations": [
        {
          "city": "Anniston",
          "state": "Alabama"
        },
        {
          "city": "Atlantis",
          "state": "Florida"
        },
        {
          "city": "Miami Springs",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Dayton",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01711866"
    },
    {
      "nct_id": "NCT01119131",
      "title": "Effects of Vitamin D in Parkinson's Disease (PD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Parkinson Disease",
        "Accidental Falls"
      ],
      "interventions": [
        {
          "name": "Vitamin D3",
          "type": "DRUG"
        },
        {
          "name": "calcium",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "50 Years to 99 Years"
      },
      "enrollment_count": 101,
      "start_date": "2011-05",
      "completion_date": "2015-01",
      "has_results": true,
      "last_update_posted_date": "2016-03-07",
      "last_synced_at": "2026-07-23T07:09:00.824Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01119131"
    },
    {
      "nct_id": "NCT00456586",
      "title": "12-Week, Double-Blind, Placebo-Controlled, Randomized Study of the Efficacy of 40 mg/Day KW-6002 in Parkinson's Disease Patients on Levodopa/Carbidopa",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "KW-6002 (istradefylline)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Kyowa Kirin, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Years and older"
      },
      "enrollment_count": 180,
      "start_date": "2002-04",
      "completion_date": "2003-06",
      "has_results": false,
      "last_update_posted_date": "2024-04-25",
      "last_synced_at": "2026-07-23T07:09:00.824Z",
      "location_count": 1,
      "location_summary": "Princeton, New Jersey",
      "locations": [
        {
          "city": "Princeton",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00456586"
    },
    {
      "nct_id": "NCT01356056",
      "title": "Tele-diagnostics for Remote Parkinson's Monitoring",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "Kinesia HomeView",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Great Lakes NeuroTechnologies Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 12,
      "start_date": "2011-05",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-03-12",
      "last_synced_at": "2026-07-23T07:09:00.824Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01356056"
    },
    {
      "nct_id": "NCT07705373",
      "title": "A Novel Digital Music-based Autonomous Personalized Walking Intervention to Improve Gait and Walking Automaticity in Parkinson Disease",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parkinson's Disease (PD)"
      ],
      "interventions": [
        {
          "name": "Digital Music Device (MedRhythms, Inc., Portland, ME)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Boston University Charles River Campus",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2026-07",
      "completion_date": "2029-02-28",
      "has_results": false,
      "last_update_posted_date": "2026-07-15",
      "last_synced_at": "2026-07-23T07:09:00.824Z",
      "location_count": 3,
      "location_summary": "Boston, Massachusetts • St Louis, Missouri • Salt Lake City, Utah",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07705373"
    },
    {
      "nct_id": "NCT05780866",
      "title": "Remote Monitoring in Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "Video and Activity Tracker",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Jacob E. Simmering",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "110 Years",
        "sex": "ALL",
        "summary": "50 Years to 110 Years"
      },
      "enrollment_count": 25,
      "start_date": "2023-08-01",
      "completion_date": "2023-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-02-02",
      "last_synced_at": "2026-07-23T07:09:00.824Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05780866"
    },
    {
      "nct_id": "NCT02549573",
      "title": "Outpatient Physical Therapy Intervention in Subjects With Parkinson's Disease Currently Using APOKYN®",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Parkinson's Disease",
        "Motor Symptoms"
      ],
      "interventions": [
        {
          "name": "APOKYN",
          "type": "DRUG"
        },
        {
          "name": "Physical Therapy",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "MDD US Operations, LLC a subsidiary of Supernus Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "78 Years",
        "sex": "ALL",
        "summary": "18 Years to 78 Years"
      },
      "enrollment_count": 13,
      "start_date": "2016-01",
      "completion_date": "2016-12",
      "has_results": true,
      "last_update_posted_date": "2023-09-01",
      "last_synced_at": "2026-07-23T07:09:00.824Z",
      "location_count": 12,
      "location_summary": "Phoenix, Arizona • Scottsdale, Arizona • Loma Linda, California + 9 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Sunnyvale",
          "state": "California"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02549573"
    },
    {
      "nct_id": "NCT03670953",
      "title": "A Study to Evaluate the Safety and Efficacy of IPX203 in Parkinson's Disease Participants With Motor Fluctuations",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Parkinson's Disease (Disorder)"
      ],
      "interventions": [
        {
          "name": "IR CD-LD",
          "type": "DRUG"
        },
        {
          "name": "IPX203 ER CD-LD",
          "type": "DRUG"
        },
        {
          "name": "Placebo Matching IPX203",
          "type": "OTHER"
        },
        {
          "name": "Placebo Matching IR CD-LD",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Impax Laboratories, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 630,
      "start_date": "2018-11-06",
      "completion_date": "2021-06-15",
      "has_results": true,
      "last_update_posted_date": "2023-02-09",
      "last_synced_at": "2026-07-23T07:09:00.824Z",
      "location_count": 56,
      "location_summary": "Phoenix, Arizona • Little Rock, Arkansas • Loma Linda, California + 46 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Loma Linda",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03670953"
    },
    {
      "nct_id": "NCT02462603",
      "title": "Safety and Biomarker Study of PTC-589 in Participants With Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "PTC-589",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Edison Pharmaceuticals Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "21 Years to 75 Years"
      },
      "enrollment_count": 44,
      "start_date": "2016-05-17",
      "completion_date": "2019-01-08",
      "has_results": true,
      "last_update_posted_date": "2022-05-03",
      "last_synced_at": "2026-07-23T07:09:00.824Z",
      "location_count": 3,
      "location_summary": "Los Angeles, California • San Francisco, California • Boston, Massachusetts",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02462603"
    },
    {
      "nct_id": "NCT07265596",
      "title": "Early Longitudinal Imaging in the Parkinson's Progressive Marker Initiative (PPMI) Using (18F)AV-133 (PPMI AV-133 Prodromal Imaging)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prodromal Parkinsons Disease"
      ],
      "interventions": [
        {
          "name": "[18F] AV-133 PET Imaging",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Michael J. Fox Foundation for Parkinson's Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2023-10-30",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2025-12-05",
      "last_synced_at": "2026-07-23T07:09:00.824Z",
      "location_count": 2,
      "location_summary": "New Haven, Connecticut • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07265596"
    }
  ]
}