{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Parkinson%27s+Disease&page=12&q=levodopa",
    "query": {
      "q": "levodopa",
      "condition": "Parkinson's Disease",
      "page": 12
    },
    "page_size": 10
  },
  "pagination": {
    "page": 12,
    "page_size": 10,
    "total_count": 256,
    "total_pages": 26,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Parkinson%27s+Disease&page=13&q=levodopa&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Parkinson%27s+Disease&page=11&q=levodopa&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-14T22:21:31.121Z",
  "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": "NCT02339064",
      "title": "Infusion of Apomorphine: Long-term Safety Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Idiopathic Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "apomorphine infusion",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "MDD US Operations, LLC a subsidiary of Supernus Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Years and older"
      },
      "enrollment_count": 99,
      "start_date": "2015-02",
      "completion_date": "2025-12",
      "has_results": false,
      "last_update_posted_date": "2025-06-19",
      "last_synced_at": "2026-10-14T22:21:31.121Z",
      "location_count": 18,
      "location_summary": "Phoenix, Arizona • Loma Linda, California • Los Angeles, California + 13 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02339064"
    },
    {
      "nct_id": "NCT00775853",
      "title": "Biomarkers of Risk of Parkinson Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Parkinson Disease",
        "Autonomic Nervous System Diseases",
        "Pure Autonomic Failure"
      ],
      "interventions": [
        {
          "name": "6-[18F]Fluorodopamine",
          "type": "DRUG"
        },
        {
          "name": "6-[18F]Fluorodopa",
          "type": "DRUG"
        },
        {
          "name": "13N-Ammonia",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Neurological Disorders and Stroke (NINDS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 89,
      "start_date": "2009-05-27",
      "completion_date": "2023-01-11",
      "has_results": false,
      "last_update_posted_date": "2025-09-19",
      "last_synced_at": "2026-10-14T22:21:31.121Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00775853"
    },
    {
      "nct_id": "NCT00203177",
      "title": "Rasagiline in Advanced Parkinson's Disease Patients With Motor Fluctuations Treated With Levodopa/Carbidopa Therapy.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "rasagiline mesylate",
          "type": "DRUG"
        },
        {
          "name": "rasagiline mesylate 1.0 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Teva Branded Pharmaceutical Products R&D, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Years and older"
      },
      "enrollment_count": 254,
      "start_date": "2001-10",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2010-03-09",
      "last_synced_at": "2026-10-14T22:21:31.121Z",
      "location_count": 7,
      "location_summary": "Fresno, California • Atlanta, Georgia • Chicago, Illinois + 4 more",
      "locations": [
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Omaha",
          "state": "Nebraska"
        },
        {
          "city": "New Hyde Park",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00203177"
    },
    {
      "nct_id": "NCT01770145",
      "title": "Apokyn for Motor IMProvement of Morning AKinesia Trial (AM IMPAKT)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Parkinson's Disease",
        "Motor Symptoms",
        "Akinesia",
        "Hypomobility",
        "Delayed Levodopa Onset"
      ],
      "interventions": [
        {
          "name": "APOKYN",
          "type": "DRUG"
        },
        {
          "name": "L-dopa",
          "type": "DRUG"
        },
        {
          "name": "Trimethobenzamide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "MDD US Operations, LLC a subsidiary of Supernus Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 127,
      "start_date": "2012-12",
      "completion_date": "2014-04",
      "has_results": true,
      "last_update_posted_date": "2023-08-14",
      "last_synced_at": "2026-10-14T22:21:31.121Z",
      "location_count": 12,
      "location_summary": "Los Angeles, California • Reseda, California • Washington D.C., District of Columbia + 9 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Reseda",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Boca Raton",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01770145"
    },
    {
      "nct_id": "NCT00591344",
      "title": "The Effect of Exercise on Individuals With Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "Progressive resistance training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Modified Fitness Counts",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Illinois at Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "67 Years",
        "sex": "ALL",
        "summary": "50 Years to 67 Years"
      },
      "enrollment_count": 51,
      "start_date": "2007-10",
      "completion_date": "2011-10",
      "has_results": true,
      "last_update_posted_date": "2015-03-05",
      "last_synced_at": "2026-10-14T22:21:31.121Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00591344"
    },
    {
      "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": "2026-10-14T22:21:31.121Z",
      "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": "NCT02274766",
      "title": "Efficacy and Safety Study of ADS-5102 in PD Patients With Levodopa-Induced Dyskinesia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Dyskinesia",
        "Levodopa-Induced Dyskinesia (LID)",
        "Parkinson's Disease (PD)"
      ],
      "interventions": [
        {
          "name": "ADS-5102",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Adamas Pharmaceuticals, 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": 77,
      "start_date": "2014-10",
      "completion_date": "2016-03-10",
      "has_results": true,
      "last_update_posted_date": "2018-01-10",
      "last_synced_at": "2026-10-14T22:21:31.121Z",
      "location_count": 21,
      "location_summary": "Fountain Valley, California • Sunnyvale, California • Boca Raton, Florida + 18 more",
      "locations": [
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "Sunnyvale",
          "state": "California"
        },
        {
          "city": "Boca Raton",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Port Charlotte",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02274766"
    },
    {
      "nct_id": "NCT04369430",
      "title": "Study Assessing Efficacy and Safety of AKST4290 in Subjects With Parkinson's Disease on Stable Dopaminergic Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "AKST4290",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Alkahest, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "50 Years to 80 Years"
      },
      "enrollment_count": 110,
      "start_date": "2020-01-16",
      "completion_date": "2021-03-10",
      "has_results": true,
      "last_update_posted_date": "2022-10-10",
      "last_synced_at": "2026-10-14T22:21:31.121Z",
      "location_count": 3,
      "location_summary": "Atlanta, Georgia • West Bloomfield, Michigan • Tulsa, Oklahoma",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "West Bloomfield",
          "state": "Michigan"
        },
        {
          "city": "Tulsa",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04369430"
    },
    {
      "nct_id": "NCT04435431",
      "title": "A Clinical Study of Mesdopetam in Patients With Parkinson's Disease Experiencing Levodopa Induced Dyskinesia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "Mesdopetam",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Integrative Research Laboratories AB",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "30 Years to 79 Years"
      },
      "enrollment_count": 155,
      "start_date": "2020-10-29",
      "completion_date": "2022-12-09",
      "has_results": true,
      "last_update_posted_date": "2024-03-06",
      "last_synced_at": "2026-10-14T22:21:31.121Z",
      "location_count": 14,
      "location_summary": "Scottsdale, Arizona • Long Beach, California • Palo Alto, California + 9 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        },
        {
          "city": "Boca Raton",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04435431"
    },
    {
      "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": "2026-10-14T22:21:31.121Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00026598"
    }
  ]
}