{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Parkinson%27s+Disease&page=6&q=levodopa",
    "query": {
      "q": "levodopa",
      "condition": "Parkinson's Disease",
      "page": 6
    },
    "page_size": 10
  },
  "pagination": {
    "page": 6,
    "page_size": 10,
    "total_count": 256,
    "total_pages": 26,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Parkinson%27s+Disease&page=7&q=levodopa&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Parkinson%27s+Disease&page=5&q=levodopa&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-11T08:51:10.941Z",
  "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": "2026-10-11T08:51:10.941Z",
      "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": "NCT00627640",
      "title": "Safinamide in Idiopathic Parkinson's Disease (IPD) With Motor Fluctuations, as add-on to Levodopa",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Idiopathic Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "Safinimide 50-100 mg/day",
          "type": "DRUG"
        },
        {
          "name": "Matching Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Newron Pharmaceuticals SPA",
      "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": 549,
      "start_date": "2009-02",
      "completion_date": "2012-03",
      "has_results": false,
      "last_update_posted_date": "2013-03-29",
      "last_synced_at": "2026-10-11T08:51:10.941Z",
      "location_count": 28,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 24 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Sunnyvale",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00627640"
    },
    {
      "nct_id": "NCT00004733",
      "title": "Timing of Levodopa Treatment in Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "levodopa",
          "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": "1998-01",
      "completion_date": "2004-02",
      "has_results": false,
      "last_update_posted_date": "2005-06-24",
      "last_synced_at": "2026-10-11T08:51:10.941Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00004733"
    },
    {
      "nct_id": "NCT02439125",
      "title": "A Study of Efficacy and Safety of Eltoprazine HCl for Treating Levodopa-induced Dyskinesia in Parkinson's Disease Patients",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Parkinson's Disease",
        "Dyskinesia"
      ],
      "interventions": [
        {
          "name": "Eltoprazine HCl",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Amarantus BioScience Holdings, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "30 Years to 85 Years"
      },
      "enrollment_count": 60,
      "start_date": "2015-05",
      "completion_date": "2017-12",
      "has_results": false,
      "last_update_posted_date": "2016-04-22",
      "last_synced_at": "2026-10-11T08:51:10.941Z",
      "location_count": 1,
      "location_summary": "Boca Raton, Florida",
      "locations": [
        {
          "city": "Boca Raton",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02439125"
    },
    {
      "nct_id": "NCT01777555",
      "title": "Efficacy and Safety Study of Inhaled CVT 301 in Parkinson's Disease Patients for Treatment of OFF Episodes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Idiopathic Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "CVT-301",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Acorda Therapeutics",
      "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": 89,
      "start_date": "2013-04",
      "completion_date": "2014-01",
      "has_results": false,
      "last_update_posted_date": "2018-08-08",
      "last_synced_at": "2026-10-11T08:51:10.941Z",
      "location_count": 13,
      "location_summary": "Little Rock, Arkansas • Boca Raton, Florida • Port Charlotte, Florida + 10 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Boca Raton",
          "state": "Florida"
        },
        {
          "city": "Port Charlotte",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01777555"
    },
    {
      "nct_id": "NCT02445651",
      "title": "Physiological Effects of Nutritional Support in Patients With Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parkinson Disease",
        "Idiopathic Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "Intravenous and Oral n-acetyl cysteine",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Control group",
          "type": "OTHER"
        },
        {
          "name": "Oral Supplements: Baicalin, Ganoderma, Omega 3 and Curcumin",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Thomas Jefferson University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "30 Years to 80 Years"
      },
      "enrollment_count": 51,
      "start_date": "2014-03",
      "completion_date": "2022-08-04",
      "has_results": true,
      "last_update_posted_date": "2025-12-15",
      "last_synced_at": "2026-10-11T08:51:10.941Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02445651"
    },
    {
      "nct_id": "NCT00006337",
      "title": "KW-6002 to Treat Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "KW-6002",
          "type": "DRUG"
        },
        {
          "name": "IV Levodopa",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Neurological Disorders and Stroke (NINDS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 16,
      "start_date": "2000-10",
      "completion_date": "2002-01",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-10-11T08:51:10.941Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00006337"
    },
    {
      "nct_id": "NCT00024622",
      "title": "PET Scanning in Parkinson s Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Schizophrenia",
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "O-15 Water",
          "type": "DRUG"
        },
        {
          "name": "18F-Fluoro-L-dopa",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Mental Health (NIMH)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 502,
      "start_date": "2002-03-15",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2026-10-08",
      "last_synced_at": "2026-10-11T08:51:10.941Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00024622"
    },
    {
      "nct_id": "NCT00239564",
      "title": "Pharmacokinetics and Pharmacodynamics of IPX054 in Subjects With Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Idiopathic Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "IPX054 100 mg",
          "type": "DRUG"
        },
        {
          "name": "IPX054 150 mg",
          "type": "DRUG"
        },
        {
          "name": "IPX054 200 mg",
          "type": "DRUG"
        },
        {
          "name": "IPX054 250 mg",
          "type": "DRUG"
        },
        {
          "name": "IPX054 300 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Impax Laboratories, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Years and older"
      },
      "enrollment_count": 12,
      "start_date": "2005-10",
      "completion_date": "2007-12",
      "has_results": false,
      "last_update_posted_date": "2019-10-29",
      "last_synced_at": "2026-10-11T08:51:10.941Z",
      "location_count": 2,
      "location_summary": "Sunnyvale, California • Lawrence, Kansas",
      "locations": [
        {
          "city": "Sunnyvale",
          "state": "California"
        },
        {
          "city": "Lawrence",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00239564"
    },
    {
      "nct_id": "NCT02125825",
      "title": "Ambulatory Parkinson's Disease Dyskinesia Monitor for Drug Therapy Titration",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Great Lakes NeuroTechnologies Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 14,
      "start_date": "2014-07",
      "completion_date": "2014-12",
      "has_results": false,
      "last_update_posted_date": "2016-01-12",
      "last_synced_at": "2026-10-11T08:51:10.941Z",
      "location_count": 2,
      "location_summary": "Baltimore, Maryland • Rochester, New York",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02125825"
    }
  ]
}