{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Primary+Parkinsonism&page=2",
    "query": {
      "condition": "Primary Parkinsonism",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Primary+Parkinsonism&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-07-24T11:47:25.517Z",
  "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": "NCT01544465",
      "title": "Structured Physical Activity for Sleep Quality and Daytime Sleepiness in Patients With Parkinson's Disease",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parkinson's Disease",
        "Poor Quality Sleep",
        "Hypersomnia"
      ],
      "interventions": [
        {
          "name": "Structured Physical Activity",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sleep hygiene education",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 1,
      "start_date": "2011-08",
      "completion_date": "2014-03",
      "has_results": false,
      "last_update_posted_date": "2014-03-21",
      "last_synced_at": "2026-07-24T11:47:25.517Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01544465"
    },
    {
      "nct_id": "NCT05677633",
      "title": "Biomarker Validation Following Sargramostim Treatment in Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Parkinson's Disease and Parkinsonism"
      ],
      "interventions": [
        {
          "name": "Sargramostim",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Nebraska",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "35 Years to 85 Years"
      },
      "enrollment_count": 11,
      "start_date": "2023-01-19",
      "completion_date": "2024-11-01",
      "has_results": false,
      "last_update_posted_date": "2025-11-04",
      "last_synced_at": "2026-07-24T11:47:25.517Z",
      "location_count": 1,
      "location_summary": "Omaha, Nebraska",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05677633"
    },
    {
      "nct_id": "NCT04787965",
      "title": "Opicapone Treatment Initiation Open-Label Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "Opicapone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Neurocrine Biosciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 239,
      "start_date": "2021-03-01",
      "completion_date": "2022-08-04",
      "has_results": false,
      "last_update_posted_date": "2022-11-28",
      "last_synced_at": "2026-07-24T11:47:25.517Z",
      "location_count": 6,
      "location_summary": "Los Gatos, California • Memphis, Tennessee • Christiansburg, Virginia + 3 more",
      "locations": [
        {
          "city": "Los Gatos",
          "state": "California"
        },
        {
          "city": "Memphis",
          "state": "Tennessee"
        },
        {
          "city": "Christiansburg",
          "state": "Virginia"
        },
        {
          "city": "Norfolk",
          "state": "Virginia"
        },
        {
          "city": "Auburn",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04787965"
    },
    {
      "nct_id": "NCT03191916",
      "title": "Transcranial Direct Current Stimulation for Cognitive Improvement in Parkinson's Patients",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "transcranial direct current stimulation",
          "type": "DEVICE"
        },
        {
          "name": "Sham (for transcranial direct current stimulation)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Sanford Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 40,
      "start_date": "2015-10-19",
      "completion_date": "2025-08-31",
      "has_results": false,
      "last_update_posted_date": "2025-03-04",
      "last_synced_at": "2026-07-24T11:47:25.517Z",
      "location_count": 1,
      "location_summary": "Fargo, North Dakota",
      "locations": [
        {
          "city": "Fargo",
          "state": "North Dakota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03191916"
    },
    {
      "nct_id": "NCT03840928",
      "title": "PatientSpot Formerly Known as ArthritisPower",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Rheumatoid Arthritis",
        "Ankylosing Spondylitis",
        "Fibromyalgia",
        "Gout",
        "Crohn Disease",
        "Juvenile Idiopathic Arthritis",
        "Lupus Erythematosus",
        "Myositis",
        "Osteoarthritis",
        "Osteoporosis",
        "Psoriasis",
        "Psoriatic Arthritis",
        "Scleroderma",
        "Dermatomyositis",
        "Inflammatory Bowel Diseases",
        "Polymyositis",
        "Axial Spondyloarthritis",
        "Diffuse Idiopathic Skeletal Hyperostosis",
        "Polymyalgia Rheumatica",
        "Giant Cell Arteritis",
        "Temporal Arteritis",
        "Wegener",
        "Relapsing Polychondritis",
        "Undifferentiated Connective Tissue Disease",
        "Spinal Cord Injuries",
        "Alzheimer Disease",
        "Amyotrophic Lateral Sclerosis",
        "Ataxia",
        "Bell Palsy",
        "Brain Tumor",
        "Cerebral Aneurysm",
        "Epilepsy",
        "Guillain-Barre Syndrome",
        "Headache",
        "Head Injury",
        "Hydrocephalus",
        "Lumbar Disc Disease",
        "Meningitis",
        "Multiple Sclerosis",
        "Muscular Dystrophy",
        "Neurocutaneous Syndromes",
        "Parkinson Disease",
        "Stroke",
        "Cluster Headache",
        "Tension-Type Headache",
        "Chronic Obstructive Pulmonary Disease",
        "Asthma",
        "Lung Cancer",
        "Cystic Fibrosis",
        "Sleep Apnea",
        "Eczema",
        "Alopecia",
        "Chronic Inflammation",
        "Unstable Angina",
        "Heart Attack",
        "Heart Failure",
        "Arrythmia",
        "Valve Heart Disease",
        "High Blood Pressure",
        "Congenital Heart Disease",
        "Peripheral Arterial Disease",
        "Diabetes",
        "Chronic Liver Disease",
        "Obesity"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Global Healthy Living Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 40000,
      "start_date": "2015-04-01",
      "completion_date": "2025-03-01",
      "has_results": false,
      "last_update_posted_date": "2023-12-13",
      "last_synced_at": "2026-07-24T11:47:25.517Z",
      "location_count": 1,
      "location_summary": "Upper Nyack, New York",
      "locations": [
        {
          "city": "Upper Nyack",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03840928"
    },
    {
      "nct_id": "NCT04095793",
      "title": "Phase 3 Open-Label Extension Study of TD-9855 for Treating Symptomatic nOH in Subjects With Primary Autonomic Failure",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Symptomatic Neurogenic Orthostatic Hypotension"
      ],
      "interventions": [
        {
          "name": "ampreloxetine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Theravance Biopharma",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Years and older"
      },
      "enrollment_count": 110,
      "start_date": "2019-09-19",
      "completion_date": "2021-11-12",
      "has_results": true,
      "last_update_posted_date": "2022-11-30",
      "last_synced_at": "2026-07-24T11:47:25.517Z",
      "location_count": 13,
      "location_summary": "Colorado Springs, Colorado • Boca Raton, Florida • Port Charlotte, Florida + 10 more",
      "locations": [
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        },
        {
          "city": "Boca Raton",
          "state": "Florida"
        },
        {
          "city": "Port Charlotte",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Glenview",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04095793"
    },
    {
      "nct_id": "NCT03156400",
      "title": "Parkinson's Autonomic Responses to Treadmill Walking",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parkinson Disease",
        "Autonomic Dysfunction"
      ],
      "interventions": [
        {
          "name": "Exercise Stress Test",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Miami",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "50 Years to 85 Years"
      },
      "enrollment_count": 30,
      "start_date": "2017-02-15",
      "completion_date": "2018-06-01",
      "has_results": false,
      "last_update_posted_date": "2018-07-06",
      "last_synced_at": "2026-07-24T11:47:25.517Z",
      "location_count": 1,
      "location_summary": "Coral Gables, Florida",
      "locations": [
        {
          "city": "Coral Gables",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03156400"
    },
    {
      "nct_id": "NCT01518309",
      "title": "An Open-label Safety Study of Pimavanserin in Parkinson's Disease Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Parkinson's Disease Psychosis"
      ],
      "interventions": [
        {
          "name": "pimavanserin tartrate (ACP-103)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "ACADIA Pharmaceuticals Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 39,
      "start_date": "2004-11-17",
      "completion_date": "2013-05-02",
      "has_results": true,
      "last_update_posted_date": "2020-11-23",
      "last_synced_at": "2026-07-24T11:47:25.517Z",
      "location_count": 1,
      "location_summary": "Danbury, Connecticut",
      "locations": [
        {
          "city": "Danbury",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01518309"
    },
    {
      "nct_id": "NCT02857244",
      "title": "A Multidisciplinary Approach to Manage Gait Difficulty in Parkinson Patients",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "Duloxetine",
          "type": "DRUG"
        },
        {
          "name": "Donepezil",
          "type": "DRUG"
        },
        {
          "name": "Modafinil",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 0,
      "start_date": "2016-11",
      "completion_date": "2017-11",
      "has_results": false,
      "last_update_posted_date": "2017-12-12",
      "last_synced_at": "2026-07-24T11:47:25.517Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02857244"
    },
    {
      "nct_id": "NCT03751371",
      "title": "Robotic Walking Device to Improve Mobility in Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "Training with HWA device",
          "type": "DEVICE"
        },
        {
          "name": "Usual Care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "50 Years to 80 Years"
      },
      "enrollment_count": 45,
      "start_date": "2019-05-15",
      "completion_date": "2021-09-27",
      "has_results": true,
      "last_update_posted_date": "2023-06-18",
      "last_synced_at": "2026-07-24T11:47:25.517Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03751371"
    }
  ]
}