{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Parkinson%27s+Disease&page=9&q=early+Parkinson",
    "query": {
      "q": "early Parkinson",
      "condition": "Parkinson's Disease",
      "page": 9
    },
    "page_size": 10
  },
  "pagination": {
    "page": 9,
    "page_size": 10,
    "total_count": 208,
    "total_pages": 21,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Parkinson%27s+Disease&page=10&q=early+Parkinson&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Parkinson%27s+Disease&page=8&q=early+Parkinson&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-14T17:39:18.435Z",
  "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": "NCT00026598",
      "title": "Effect of Stimulus Rate on Cognitive and Motor Activity in Young Subjects, Elderly Subjects, and Patients With Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Neurological Disorders and Stroke (NINDS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 90,
      "start_date": "2001-10",
      "completion_date": "2003-11",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-10-14T17:39:18.435Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00026598"
    },
    {
      "nct_id": "NCT00817453",
      "title": "Early Parkinson's Disease (PD) Cross-Sectional",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "35 Years to 80 Years"
      },
      "enrollment_count": 150,
      "start_date": "2009-01",
      "completion_date": "2011-02",
      "has_results": false,
      "last_update_posted_date": "2011-04-14",
      "last_synced_at": "2026-10-14T17:39:18.435Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00817453"
    },
    {
      "nct_id": "NCT02925065",
      "title": "Impact of Non-traditional Guitar Group Instruction on Functional Movement and Well-being in Parkinson's Disease Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "Non-traditional group guitar instruction",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 26,
      "start_date": "2018-03-05",
      "completion_date": "2018-07-26",
      "has_results": false,
      "last_update_posted_date": "2018-10-02",
      "last_synced_at": "2026-10-14T17:39:18.435Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02925065"
    },
    {
      "nct_id": "NCT03330353",
      "title": "Chromatic Pupillometry to Assess the Melanopsin-Light Pathway in Progressive Supranuclear Palsy",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "PSP - Progressive Supranuclear Palsy",
        "PD - Parkinson's Disease",
        "AD - Alzheimer's Disease",
        "ALS (Amyotrophic Lateral Sclerosis)"
      ],
      "interventions": [
        {
          "name": "Pupillometry",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "55 Years and older"
      },
      "enrollment_count": 56,
      "start_date": "2017-11-01",
      "completion_date": "2019-10-01",
      "has_results": false,
      "last_update_posted_date": "2017-11-07",
      "last_synced_at": "2026-10-14T17:39:18.435Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03330353"
    },
    {
      "nct_id": "NCT02642393",
      "title": "Study of Urate Elevation in Parkinson's Disease, Phase 3",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "Inosine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Michael Alan Schwarzschild",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Years and older"
      },
      "enrollment_count": 298,
      "start_date": "2016-06",
      "completion_date": "2019-06",
      "has_results": true,
      "last_update_posted_date": "2020-07-28",
      "last_synced_at": "2026-10-14T17:39:18.435Z",
      "location_count": 61,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 51 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Sun City",
          "state": "Arizona"
        },
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02642393"
    },
    {
      "nct_id": "NCT07356414",
      "title": "SwallowFIT Study in Parkinson's Disease",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "PARKINSON DISEASE (Disorder)"
      ],
      "interventions": [
        {
          "name": "SwallowFit",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "The University of Texas Health Science Center at San Antonio",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "35 Years to 90 Years"
      },
      "enrollment_count": 80,
      "start_date": "2026-11-30",
      "completion_date": "2028-06-29",
      "has_results": false,
      "last_update_posted_date": "2026-10-06",
      "last_synced_at": "2026-10-14T17:39:18.435Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07356414"
    },
    {
      "nct_id": "NCT00004731",
      "title": "Parkinson's Disease Treatment With Coenzyme Q10",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "Coenzyme Q10",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Neurological Disorders and Stroke (NINDS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Years and older"
      },
      "enrollment_count": null,
      "start_date": "1998-09",
      "completion_date": "2003-10",
      "has_results": false,
      "last_update_posted_date": "2005-06-24",
      "last_synced_at": "2026-10-14T17:39:18.435Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00004731"
    },
    {
      "nct_id": "NCT07682311",
      "title": "Automated Daytime Adaptive Deep Brain Stimulation Parameter Optimization in Patients Implanted With Percept Neurostimulator",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "PD - Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "Medtronic Percept Deep Brain Stimulation (adaptive DBS)",
          "type": "DEVICE"
        },
        {
          "name": "Medtronic Percept Deep Brain Stimulation (cDBS)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "25 Years to 75 Years"
      },
      "enrollment_count": 40,
      "start_date": "2026-06-04",
      "completion_date": "2032-05",
      "has_results": false,
      "last_update_posted_date": "2026-09-14",
      "last_synced_at": "2026-10-14T17:39:18.435Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07682311"
    },
    {
      "nct_id": "NCT03655236",
      "title": "PROSEEK: A Phase 2 Study In Early Parkinson's Disease Patients Evaluating The Safety And Efficacy Of Abl Tyrosine Kinase Inhibition Using K0706",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Early Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "K0706",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Sun Pharma Advanced Research Company Limited",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 513,
      "start_date": "2019-02-18",
      "completion_date": "2024-06-06",
      "has_results": true,
      "last_update_posted_date": "2025-07-25",
      "last_synced_at": "2026-10-14T17:39:18.435Z",
      "location_count": 34,
      "location_summary": "Phoenix, Arizona • Little Rock, Arkansas • Los Angeles, California + 30 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Santa Monica",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03655236"
    },
    {
      "nct_id": "NCT00076505",
      "title": "Cell Studies of Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Human Genome Research Institute (NHGRI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2004-01-14",
      "completion_date": "2006-11-30",
      "has_results": false,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-10-14T17:39:18.435Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00076505"
    }
  ]
}