{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Primary+Parkinsonism&page=58",
    "query": {
      "condition": "Primary Parkinsonism",
      "page": 58
    },
    "page_size": 10
  },
  "pagination": {
    "page": 58,
    "page_size": 10,
    "total_count": 1452,
    "total_pages": 146,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Primary+Parkinsonism&page=59&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Primary+Parkinsonism&page=57&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-06T22:17:46.631Z",
  "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": "NCT05307055",
      "title": "Evaluation of Neurocognitive Changes in Parkinson's Disease After Low Frequency Burst Stimulation",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "STN DBS - Theta Burst",
          "type": "DEVICE"
        },
        {
          "name": "STN DBS - Gamma",
          "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": 40,
      "start_date": "2022-01-11",
      "completion_date": "2029-08-31",
      "has_results": false,
      "last_update_posted_date": "2025-06-11",
      "last_synced_at": "2026-11-06T22:17:46.631Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05307055"
    },
    {
      "nct_id": "NCT02511015",
      "title": "Hereditary Parkinson s Disease Natural History Protocol",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Parkinson Disease 6, Early-Onset",
        "Parkinson Disease (Autosomal Recessive, Early Onset) 7, Human",
        "Parkinson Disease Autosomal Recessive, Early Onset",
        "Parkinson Disease, Autosomal Recessive Early-Onset, Digenic, Pink1/Dj1"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 31,
      "start_date": "2015-07-08",
      "completion_date": "2017-08-15",
      "has_results": false,
      "last_update_posted_date": "2026-10-13",
      "last_synced_at": "2026-11-06T22:17:46.631Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02511015"
    },
    {
      "nct_id": "NCT07840508",
      "title": "Velocity-Loss Training and Parkinson's Disease",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Activity, Motor"
      ],
      "interventions": [
        {
          "name": "10% Velocity-Loss Threshold Resistance Training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "30% Velocity-Loss Threshold Resistance Training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Miami",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "50 Years to 85 Years"
      },
      "enrollment_count": 60,
      "start_date": "2026-09-25",
      "completion_date": "2026-12-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-28",
      "last_synced_at": "2026-11-06T22:17:46.631Z",
      "location_count": 1,
      "location_summary": "Coral Gables, Florida",
      "locations": [
        {
          "city": "Coral Gables",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07840508"
    },
    {
      "nct_id": "NCT04148326",
      "title": "A Pilot Study to Explore the Role of Gut Flora in Parkinson's Disease",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Parkinson Disease",
        "Parkinsons Disease With Dementia",
        "Parkinson-Dementia Syndrome",
        "Parkinson Disease 2",
        "Parkinson Disease 3",
        "Parkinson Disease 4"
      ],
      "interventions": [
        {
          "name": "No Intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "ProgenaBiome",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 0,
      "start_date": "2020-03-02",
      "completion_date": "2030-07",
      "has_results": false,
      "last_update_posted_date": "2025-06-05",
      "last_synced_at": "2026-11-06T22:17:46.631Z",
      "location_count": 1,
      "location_summary": "Ventura, California",
      "locations": [
        {
          "city": "Ventura",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04148326"
    },
    {
      "nct_id": "NCT00001308",
      "title": "Central Mechanisms in Speech Motor Control Studied With H215O PET",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Communication Disorder",
        "Healthy",
        "Stuttering",
        "Tourette Syndrome",
        "Voice Disorder"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute on Deafness and Other Communication Disorders (NIDCD)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 1163,
      "start_date": "1992-04-28",
      "completion_date": "2016-10-06",
      "has_results": false,
      "last_update_posted_date": "2019-12-17",
      "last_synced_at": "2026-11-06T22:17:46.631Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001308"
    },
    {
      "nct_id": "NCT04802733",
      "title": "Phase 1 Safety and Tolerability Study of MSK-DA01 Cell Therapy for Advanced Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Advanced Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "MSK-DA01",
          "type": "BIOLOGICAL"
        },
        {
          "name": "MSK-DA01 Cell Delivery Device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DEVICE"
      ],
      "sponsor": "BlueRock Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "78 Years",
        "sex": "ALL",
        "summary": "50 Years to 78 Years"
      },
      "enrollment_count": 12,
      "start_date": "2021-05-03",
      "completion_date": "2024-06-10",
      "has_results": false,
      "last_update_posted_date": "2024-11-01",
      "last_synced_at": "2026-11-06T22:17:46.631Z",
      "location_count": 2,
      "location_summary": "Orange, California • New York, New York",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04802733"
    },
    {
      "nct_id": "NCT03049033",
      "title": "NMT for Parkinson's Disease",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "Neurologic Music Therapy",
          "type": "OTHER"
        },
        {
          "name": "Occupational Therapy",
          "type": "OTHER"
        },
        {
          "name": "Music Supported Therapy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "45 Years to 85 Years"
      },
      "enrollment_count": 100,
      "start_date": "2017-04-26",
      "completion_date": "2025-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-01-03",
      "last_synced_at": "2026-11-06T22:17:46.631Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03049033"
    },
    {
      "nct_id": "NCT00985517",
      "title": "Safety and Efficacy of CERE-120 in Subjects With Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Idiopathic Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "CERE-120: Adeno-Associated Virus Delivery of Neurturin",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Sham Surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "PROCEDURE"
      ],
      "sponsor": "Sangamo Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "35 Years to 70 Years"
      },
      "enrollment_count": 57,
      "start_date": "2009-10-29",
      "completion_date": "2017-11-16",
      "has_results": true,
      "last_update_posted_date": "2020-04-16",
      "last_synced_at": "2026-11-06T22:17:46.631Z",
      "location_count": 11,
      "location_summary": "Birmingham, Alabama • Palo Alto, California • San Francisco, California + 6 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00985517"
    },
    {
      "nct_id": "NCT03671785",
      "title": "Study of the Fecal Microbiome in Patients With Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "PRIM-DJ2727",
          "type": "DRUG"
        },
        {
          "name": "Placebo oral capsule",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "55 Years to 75 Years"
      },
      "enrollment_count": 15,
      "start_date": "2019-05-15",
      "completion_date": "2022-10-12",
      "has_results": false,
      "last_update_posted_date": "2023-05-24",
      "last_synced_at": "2026-11-06T22:17:46.631Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03671785"
    },
    {
      "nct_id": "NCT06823921",
      "title": "Cognitive Effects of Exercise in Parkinson's Disease",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "Exercise",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Sule Tinaz",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2025-02-11",
      "completion_date": "2027-03-01",
      "has_results": false,
      "last_update_posted_date": "2026-02-03",
      "last_synced_at": "2026-11-06T22:17:46.631Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06823921"
    }
  ]
}