{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Levodopa&page=4",
    "query": {
      "intervention": "Levodopa",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 253,
    "total_pages": 26,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Levodopa&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Levodopa&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-17T20:03:14.831Z",
  "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": "NCT03778294",
      "title": "18F-DOPA-PET/MRI Scan in Imaging Elderly Patients With Newly Diagnosed Grade IV Malignant Glioma or Glioblastoma During Planning for a Short Course of Proton Beam Radiation Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Glioblastoma",
        "Malignant Glioma"
      ],
      "interventions": [
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Fluorodopa F 18",
          "type": "OTHER"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Proton Beam Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Temozolomide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER",
        "RADIATION",
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 43,
      "start_date": "2019-03-28",
      "completion_date": "2023-11-26",
      "has_results": true,
      "last_update_posted_date": "2025-07-03",
      "last_synced_at": "2026-10-17T20:03:14.831Z",
      "location_count": 2,
      "location_summary": "Scottsdale, Arizona • Rochester, Minnesota",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03778294"
    },
    {
      "nct_id": "NCT01920425",
      "title": "Kinesia HomeView - Home Diary Comparison",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "Kinesia HomeView",
          "type": "DEVICE"
        },
        {
          "name": "Hand-written diary",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Great Lakes NeuroTechnologies Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2,
      "start_date": "2013-07",
      "completion_date": "2015-09",
      "has_results": false,
      "last_update_posted_date": "2016-01-12",
      "last_synced_at": "2026-10-17T20:03:14.831Z",
      "location_count": 1,
      "location_summary": "Valley View, Ohio",
      "locations": [
        {
          "city": "Valley View",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01920425"
    },
    {
      "nct_id": "NCT02513485",
      "title": "Inflammation-related Alterations in Neurocircuitry: Reversal With Levodopa",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Depression"
      ],
      "interventions": [
        {
          "name": "Levodopa+carbidopa",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 57,
      "start_date": "2015-10-09",
      "completion_date": "2020-08-01",
      "has_results": true,
      "last_update_posted_date": "2022-09-19",
      "last_synced_at": "2026-10-17T20:03:14.831Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02513485"
    },
    {
      "nct_id": "NCT05369533",
      "title": "Dopaminergic Enhancement of Rehabilitation Therapy Early After Stroke",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Stroke"
      ],
      "interventions": [
        {
          "name": "Telerehabilitation",
          "type": "DEVICE"
        },
        {
          "name": "Sinemet Pill",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 25,
      "start_date": "2022-08-01",
      "completion_date": "2024-03-11",
      "has_results": true,
      "last_update_posted_date": "2025-03-24",
      "last_synced_at": "2026-10-17T20:03:14.831Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05369533"
    },
    {
      "nct_id": "NCT00381472",
      "title": "Investigational Parkinson's Disease In Patients Not Well Controlled On L-dopa",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "Ropinirole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Years and older"
      },
      "enrollment_count": 393,
      "start_date": "2003-06",
      "completion_date": "2004-12",
      "has_results": false,
      "last_update_posted_date": "2017-03-23",
      "last_synced_at": "2026-10-17T20:03:14.831Z",
      "location_count": 28,
      "location_summary": "Birmingham, Alabama • Northridge, California • San Francisco, California + 24 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Northridge",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Englewood",
          "state": "Colorado"
        },
        {
          "city": "Boca Raton",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00381472"
    },
    {
      "nct_id": "NCT04857359",
      "title": "Dipraglurant (ADX48621) for the Treatment of Patients With Parkinson's Disease Receiving Levodopa-based Therapy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Parkinson Disease",
        "Dyskinesia, Drug-Induced",
        "Dyskinesias"
      ],
      "interventions": [
        {
          "name": "Dipraglurant",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Addex Pharma S.A.",
      "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": 25,
      "start_date": "2021-08-06",
      "completion_date": "2022-08-15",
      "has_results": false,
      "last_update_posted_date": "2025-08-06",
      "last_synced_at": "2026-10-17T20:03:14.831Z",
      "location_count": 41,
      "location_summary": "Phoenix, Arizona • Fresno, California • Irvine, California + 38 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Torrance",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04857359"
    },
    {
      "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": "2026-10-17T20:03:14.831Z",
      "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": "NCT01951105",
      "title": "Effect of L-dopa In Subacute Back Pain Population",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Sub-acute Back Pain"
      ],
      "interventions": [
        {
          "name": "Naproxen",
          "type": "DRUG"
        },
        {
          "name": "Carbidopa/Levodopa",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 72,
      "start_date": "2015-02-24",
      "completion_date": "2017-09-25",
      "has_results": true,
      "last_update_posted_date": "2021-03-24",
      "last_synced_at": "2026-10-17T20:03:14.831Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01951105"
    },
    {
      "nct_id": "NCT01491932",
      "title": "Open-label, Long-term Safety Extension Study of AFQ056 in Parkinson's Patients With L-dopa Induced Dyskinesias",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Dyskinesias",
        "Parkinson Disease",
        "Movement Disorders",
        "Parkinsonian Disorders",
        "Anti-Dyskinesia Agents"
      ],
      "interventions": [
        {
          "name": "AFQ056",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 129,
      "start_date": "2012-03",
      "completion_date": "2013-10",
      "has_results": false,
      "last_update_posted_date": "2020-12-23",
      "last_synced_at": "2026-10-17T20:03:14.831Z",
      "location_count": 3,
      "location_summary": "Englewood, Colorado • Kansas City, Kansas • Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Englewood",
          "state": "Colorado"
        },
        {
          "city": "Kansas City",
          "state": "Kansas"
        },
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01491932"
    },
    {
      "nct_id": "NCT05116813",
      "title": "Open-label Safety Study of Dipraglurant (ADX48621) in Patients With Parkinson's Disease Receiving Levodopa-based Therapy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Parkinson Disease",
        "Dyskinesia, Drug-Induced",
        "Dyskinesias"
      ],
      "interventions": [
        {
          "name": "Dipraglurant",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Addex Pharma S.A.",
      "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": 17,
      "start_date": "2021-10-25",
      "completion_date": "2022-08-15",
      "has_results": false,
      "last_update_posted_date": "2025-08-06",
      "last_synced_at": "2026-10-17T20:03:14.831Z",
      "location_count": 7,
      "location_summary": "Augusta, Georgia • Kansas City, Kansas • New Brunswick, New Jersey + 4 more",
      "locations": [
        {
          "city": "Augusta",
          "state": "Georgia"
        },
        {
          "city": "Kansas City",
          "state": "Kansas"
        },
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05116813"
    }
  ]
}