{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Levodopa",
    "query": {
      "condition": "Levodopa"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 185,
    "total_pages": 19,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Levodopa&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-11T02:47:45.235Z",
  "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": "NCT06765668",
      "title": "A Study of CREXONT (Carbidopa and Levodopa) Extended-Release Capsules in Participants With Parkinson's Disease",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "CREXONT ER",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Impax Laboratories, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 220,
      "start_date": "2025-02-12",
      "completion_date": "2026-08-06",
      "has_results": false,
      "last_update_posted_date": "2025-08-24",
      "last_synced_at": "2026-06-11T02:47:45.235Z",
      "location_count": 27,
      "location_summary": "Phoenix, Arizona • Little Rock, Arkansas • Aliso Viejo, California + 22 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Aliso Viejo",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Aventura",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06765668"
    },
    {
      "nct_id": "NCT05766813",
      "title": "Lenrispodun as Adjunctive Therapy in the Treatment of Patients With Motor Fluctuations Due to Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "Lenrispodun",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Intra-Cellular Therapies, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 79,
      "start_date": "2023-03-13",
      "completion_date": "2025-11-04",
      "has_results": false,
      "last_update_posted_date": "2026-05-27",
      "last_synced_at": "2026-06-11T02:47:45.235Z",
      "location_count": 35,
      "location_summary": "Phoenix, Arizona • Scottsdale, Arizona • Irvine, California + 31 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Altamonte Springs",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05766813"
    },
    {
      "nct_id": "NCT02873351",
      "title": "A Safety and Efficacy Study of Carbidopa-levodopa in Patients With Macular Degeneration",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Age-related Macular Degeneration"
      ],
      "interventions": [
        {
          "name": "carbidopa-levodopa 25-100 mg",
          "type": "DRUG"
        },
        {
          "name": "placebo for carbidopa-levodopa 25-100 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Snyder, Robert W., M.D., Ph.D., P.C.",
      "sponsor_class": "INDIV",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "50 Years to 85 Years"
      },
      "enrollment_count": 0,
      "start_date": "2019-09",
      "completion_date": "2020-12",
      "has_results": false,
      "last_update_posted_date": "2019-04-05",
      "last_synced_at": "2026-06-11T02:47:45.235Z",
      "location_count": 1,
      "location_summary": "Tucson, Arizona",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02873351"
    },
    {
      "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": "2026-06-11T02:47:45.235Z",
      "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"
    },
    {
      "nct_id": "NCT00660673",
      "title": "Open Label Continuation Treatment Study With Levodopa-Carbidopa Intestinal Gel in Advanced Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Advanced Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "Levodopa-Carbidopa Intestinal Gel (LCIG)",
          "type": "DRUG"
        },
        {
          "name": "CADD-Legacy® 1400 ambulatory infusion pump",
          "type": "DEVICE"
        },
        {
          "name": "Percutaneous Endoscopic Gastrostomy with jejunal extension tube (PEG-J)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "AbbVie",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "99 Years",
        "sex": null,
        "summary": "30 Years to 99 Years"
      },
      "enrollment_count": 262,
      "start_date": "2009-11-13",
      "completion_date": "2021-11-30",
      "has_results": true,
      "last_update_posted_date": "2022-12-02",
      "last_synced_at": "2026-06-11T02:47:45.235Z",
      "location_count": 31,
      "location_summary": "Birmingham, Alabama • Encinitas, California • Fountain Valley, California + 25 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Encinitas",
          "state": "California"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Englewood",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00660673"
    },
    {
      "nct_id": "NCT00692328",
      "title": "Expectation and Response to Levodopa and Acupuncture in Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "Levodopa or acupuncture",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Oregon Health and Science University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 63,
      "start_date": "2005-08",
      "completion_date": "2007-02",
      "has_results": false,
      "last_update_posted_date": "2015-05-05",
      "last_synced_at": "2026-06-11T02:47:45.235Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00692328"
    },
    {
      "nct_id": "NCT00218075",
      "title": "Behavioral Therapy Combined With Carbidopa/Levodopa for the Treatment of Cocaine Dependence",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cocaine Abuse",
        "Cocaine-Related Disorders"
      ],
      "interventions": [
        {
          "name": "Levodopa",
          "type": "DRUG"
        },
        {
          "name": "Carbidopa",
          "type": "DRUG"
        },
        {
          "name": "Clinical Management",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Relapse Prevention Therapy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Contingency Management",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 200,
      "start_date": "2000-03",
      "completion_date": "2007-10",
      "has_results": false,
      "last_update_posted_date": "2016-01-05",
      "last_synced_at": "2026-06-11T02:47:45.235Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00218075"
    },
    {
      "nct_id": "NCT01767129",
      "title": "Safety and Efficacy of AVP-923 in the Treatment of Levodopa-induced Dyskinesia in Parkinson's Disease Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Dyskinesia",
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "AVP-923-45",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Avanir Pharmaceuticals",
      "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": 14,
      "start_date": "2013-10-16",
      "completion_date": "2015-02-05",
      "has_results": true,
      "last_update_posted_date": "2022-04-29",
      "last_synced_at": "2026-06-11T02:47:45.235Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois • Portland, Oregon",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01767129"
    },
    {
      "nct_id": "NCT01397422",
      "title": "Extended Release Amantadine Safety and Efficacy Study in Levodopa-Induced Dyskinesia (EASED Study)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Dyskinesia",
        "Levodopa Induced Dyskinesia",
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "ADS-5102 (extended release amantadine HCl)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": 83,
      "start_date": "2011-07",
      "completion_date": "2013-10",
      "has_results": true,
      "last_update_posted_date": "2017-12-13",
      "last_synced_at": "2026-06-11T02:47:45.235Z",
      "location_count": 33,
      "location_summary": "Sun City, Arizona • Fountain Valley, California • Long Beach, California + 30 more",
      "locations": [
        {
          "city": "Sun City",
          "state": "Arizona"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Oxnard",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01397422"
    },
    {
      "nct_id": "NCT02807675",
      "title": "A Study of the Safety and Tolerability of a Single Dose Administration of CVT-301 (Levodopa Inhalation Powder)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "CVT-301, LIP",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Acorda Therapeutics",
      "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": 36,
      "start_date": "2016-06",
      "completion_date": "2016-11",
      "has_results": false,
      "last_update_posted_date": "2017-01-30",
      "last_synced_at": "2026-06-11T02:47:45.235Z",
      "location_count": 11,
      "location_summary": "Fountain Valley, California • Boca Raton, Florida • Hallandale, Florida + 8 more",
      "locations": [
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "Boca Raton",
          "state": "Florida"
        },
        {
          "city": "Hallandale",
          "state": "Florida"
        },
        {
          "city": "St. Petersburg",
          "state": "Florida"
        },
        {
          "city": "Sunrise",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02807675"
    }
  ]
}