{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Primary+Parkinsonism&page=38",
    "query": {
      "condition": "Primary Parkinsonism",
      "page": 38
    },
    "page_size": 10
  },
  "pagination": {
    "page": 38,
    "page_size": 10,
    "total_count": 1450,
    "total_pages": 145,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Primary+Parkinsonism&page=39&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Primary+Parkinsonism&page=37&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-31T05:21:51.109Z",
  "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": "NCT00335153",
      "title": "Levodopa-Carbidopa Intestinal Gel Open-Label Study in Advanced Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Advanced Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "Levodopa-carbidopa intestinal gel",
          "type": "DRUG"
        },
        {
          "name": "CADD-Legacy® 1400 ambulatory infusion pump",
          "type": "DEVICE"
        },
        {
          "name": "PEG tube",
          "type": "DEVICE"
        },
        {
          "name": "J-tube",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "AbbVie (prior sponsor, Abbott)",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Years and older"
      },
      "enrollment_count": 354,
      "start_date": "2008-01",
      "completion_date": "2012-06",
      "has_results": true,
      "last_update_posted_date": "2015-01-16",
      "last_synced_at": "2026-10-31T05:21:51.109Z",
      "location_count": 31,
      "location_summary": "Birmingham, Alabama • Fountain Valley, California • Los Angeles, California + 25 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Oceanside",
          "state": "California"
        },
        {
          "city": "Englewood",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00335153"
    },
    {
      "nct_id": "NCT04797611",
      "title": "STEM-Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parkinson Disease",
        "Parkinson's Disease and Parkinsonism"
      ],
      "interventions": [
        {
          "name": "TNM Device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Scion NeuroStim",
      "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": 188,
      "start_date": "2022-05-19",
      "completion_date": "2024-12-06",
      "has_results": true,
      "last_update_posted_date": "2025-05-13",
      "last_synced_at": "2026-10-31T05:21:51.109Z",
      "location_count": 22,
      "location_summary": "Scottsdale, Arizona • Los Angeles, California • Englewood, Colorado + 18 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Englewood",
          "state": "Colorado"
        },
        {
          "city": "Boca Raton",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04797611"
    },
    {
      "nct_id": "NCT01931644",
      "title": "At-Home Research Study for Patients With Autoimmune, Inflammatory, Genetic, Hematological, Infectious, Neurological, CNS, Oncological, Respiratory, Metabolic Conditions",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "All Diagnosed Health Conditions",
        "ADD/ADHD",
        "Alopecia Areata",
        "Ankylosing Spondylitis",
        "Asthma",
        "Atopic Dermatitis Eczema",
        "Beta Thalassemia",
        "Bipolar Disorder",
        "Breast Cancer",
        "Celiac Disease",
        "Cervical Cancer",
        "Chronic Inflammatory Demyelinating Polyneuropathy",
        "Chronic Kidney Diseases",
        "Chronic Obstructive Pulmonary Disease",
        "Colon Cancer",
        "Colorectal Cancer",
        "Crohn's Disease",
        "Cystic Fibrosis",
        "Depression",
        "Diabetes Mellitus",
        "Duchenne Muscular Dystrophy",
        "Endometriosis",
        "Epilepsy",
        "Facioscapulohumeral Muscular Dystrophy",
        "G6PD Deficiency",
        "General Anxiety Disorder",
        "Hepatitis B",
        "Hereditary Hemorrhagic Telangiectasia",
        "HIV/AIDS",
        "Human Papilloma Virus",
        "Huntington's Disease",
        "Idiopathic Thrombocytopenic Purpura",
        "Insomnia",
        "Kidney Cancer",
        "Leukemia",
        "Lung Cancer",
        "Lupus Nephritis",
        "Lymphoma",
        "Melanoma",
        "Multiple Myeloma",
        "Multiple Sclerosis",
        "Myositis",
        "Myotonic Dystrophy",
        "Ovarian Cancer",
        "Pancreatic Cancer",
        "Parkinson's Disease",
        "Polycystic Kidney Diseases",
        "Prostate Cancer",
        "Psoriasis",
        "Psoriatic Arthritis",
        "Rosacea",
        "Scleroderma",
        "Sickle Cell Anemia",
        "Sickle Cell Trait",
        "Sjogren's Syndrome",
        "Skin Cancer",
        "Spinal Muscular Atrophy",
        "Systemic Lupus Erythematosus",
        "Thrombotic Thrombocytopenic Purpura",
        "Trisomy 21",
        "Ulcerative Colitis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Sanguine Biosciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 17667,
      "start_date": "2013-07",
      "completion_date": "2024-04",
      "has_results": false,
      "last_update_posted_date": "2024-04-18",
      "last_synced_at": "2026-10-31T05:21:51.109Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01931644"
    },
    {
      "nct_id": "NCT00449865",
      "title": "NET-PD LS-1 Creatine in Parkinson's Disease",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "creatine",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1741,
      "start_date": "2007-03",
      "completion_date": "2014-05",
      "has_results": true,
      "last_update_posted_date": "2015-04-02",
      "last_synced_at": "2026-10-31T05:21:51.109Z",
      "location_count": 48,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Fountain Valley, California + 40 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00449865"
    },
    {
      "nct_id": "NCT01935011",
      "title": "DBS Frequency on Swallowing Function in Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "PD, DBS",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "45 Years and older"
      },
      "enrollment_count": 7,
      "start_date": "2013-08",
      "completion_date": "2014-07",
      "has_results": false,
      "last_update_posted_date": "2015-04-28",
      "last_synced_at": "2026-10-31T05:21:51.109Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01935011"
    },
    {
      "nct_id": "NCT02818777",
      "title": "A Study of Tolerability and Efficacy of Cannabidiol on Tremor in Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "cannabidiol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Colorado, Denver",
      "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": 13,
      "start_date": "2016-10",
      "completion_date": "2017-11",
      "has_results": true,
      "last_update_posted_date": "2019-02-19",
      "last_synced_at": "2026-10-31T05:21:51.109Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02818777"
    },
    {
      "nct_id": "NCT01741701",
      "title": "A Pilot Study of Oxaloacetate in Subjects With Treated PD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "Oxaloacetate (OAA)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Kansas Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Years and older"
      },
      "enrollment_count": 33,
      "start_date": "2012-12",
      "completion_date": "2014-10",
      "has_results": true,
      "last_update_posted_date": "2016-03-17",
      "last_synced_at": "2026-10-31T05:21:51.109Z",
      "location_count": 1,
      "location_summary": "Kansas City, Kansas",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01741701"
    },
    {
      "nct_id": "NCT03347955",
      "title": "Double-blind Placebo Surgery Trial for Treatment of Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parkinson Disease",
        "Surgery"
      ],
      "interventions": [
        {
          "name": "Neural implantation group",
          "type": "PROCEDURE"
        },
        {
          "name": "Sham surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Denver",
      "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": 40,
      "start_date": "1994-11",
      "completion_date": "1999-02",
      "has_results": false,
      "last_update_posted_date": "2017-11-20",
      "last_synced_at": "2026-10-31T05:21:51.109Z",
      "location_count": 1,
      "location_summary": "Denver, Colorado",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03347955"
    },
    {
      "nct_id": "NCT00304161",
      "title": "Effectiveness of Antidepressant Treatment for Depression in People With Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Depressive Disorder",
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "Atomoxetine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "30 Years to 79 Years"
      },
      "enrollment_count": 55,
      "start_date": "2004-07",
      "completion_date": "2008-12",
      "has_results": true,
      "last_update_posted_date": "2017-01-30",
      "last_synced_at": "2026-10-31T05:21:51.109Z",
      "location_count": 2,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00304161"
    },
    {
      "nct_id": "NCT01113086",
      "title": "Use of Noninvasive Brain Stimulation in Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "Transcranial direct current stimulation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Spaulding Rehabilitation Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "40 Years to 90 Years"
      },
      "enrollment_count": 12,
      "start_date": "2009-12",
      "completion_date": "2013-03",
      "has_results": false,
      "last_update_posted_date": "2020-04-24",
      "last_synced_at": "2026-10-31T05:21:51.109Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01113086"
    }
  ]
}