{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=carbidopa-levodopa+25-100+mg&page=2",
    "query": {
      "intervention": "carbidopa-levodopa 25-100 mg",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 35,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=carbidopa-levodopa+25-100+mg&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=carbidopa-levodopa+25-100+mg&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-04T14:10:43.753Z",
  "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": "NCT02271503",
      "title": "A Study to Assess the PK and Pharmacodynamics of IPX203 in Patients With Advanced Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "CD-LD IR",
          "type": "DRUG"
        },
        {
          "name": "IPX203 180 mg",
          "type": "DRUG"
        },
        {
          "name": "IPX203 270 mg",
          "type": "DRUG"
        },
        {
          "name": "Rytary 195 mg",
          "type": "DRUG"
        },
        {
          "name": "Rytary 145 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Impax Laboratories, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 26,
      "start_date": "2015-11",
      "completion_date": "2016-08",
      "has_results": false,
      "last_update_posted_date": "2019-11-06",
      "last_synced_at": "2026-10-04T14:10:43.753Z",
      "location_count": 11,
      "location_summary": "Phoenix, Arizona • Little Rock, Arkansas • Fountain Valley, California + 8 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "Boca Raton",
          "state": "Florida"
        },
        {
          "city": "Naples",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02271503"
    },
    {
      "nct_id": "NCT03023059",
      "title": "Dose Ranging Study of Carbidopa-levodopa",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Age-related Macular Degeneration"
      ],
      "interventions": [
        {
          "name": "Carbidopa-Levodopa, 25 Mg-100 Mg Oral Tablet",
          "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": 35,
      "start_date": "2017-05-02",
      "completion_date": "2020-05-04",
      "has_results": true,
      "last_update_posted_date": "2025-09-12",
      "last_synced_at": "2026-10-04T14:10:43.753Z",
      "location_count": 1,
      "location_summary": "Tucson, Arizona",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03023059"
    },
    {
      "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": "2026-10-04T14:10:43.753Z",
      "location_count": 1,
      "location_summary": "Tucson, Arizona",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02873351"
    },
    {
      "nct_id": "NCT03197493",
      "title": "Extension, Carbidopa-levodopa in Neovascular Age-related Macular Degeneration (AMD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Macula; Degeneration",
        "Retina"
      ],
      "interventions": [
        {
          "name": "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": 35,
      "start_date": "2017-08-01",
      "completion_date": "2020-07-09",
      "has_results": true,
      "last_update_posted_date": "2025-09-12",
      "last_synced_at": "2026-10-04T14:10:43.753Z",
      "location_count": 1,
      "location_summary": "Tucson, Arizona",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03197493"
    },
    {
      "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": "2026-10-04T14:10:43.753Z",
      "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": "NCT02080819",
      "title": "Striatal Effective Connectivity to Predict Treatment Response in Cocaine Misuse",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cocaine Dependence"
      ],
      "interventions": [
        {
          "name": "levodopa/carbidopa 400/100 BID",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Virginia Commonwealth University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 131,
      "start_date": "2014-02",
      "completion_date": "2017-01-21",
      "has_results": true,
      "last_update_posted_date": "2018-04-12",
      "last_synced_at": "2026-10-04T14:10:43.753Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02080819"
    },
    {
      "nct_id": "NCT02346630",
      "title": "Combining Robotic-Assisted Therapy and Pharmacotherapy in Post-Stroke Rehabilitation",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Stroke"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Levodopa / Carbidopa",
          "type": "DRUG"
        },
        {
          "name": "Armeo",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Ross D. Zafonte, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 0,
      "start_date": "2015-03",
      "completion_date": "2017-03",
      "has_results": false,
      "last_update_posted_date": "2021-12-27",
      "last_synced_at": "2026-10-04T14:10:43.753Z",
      "location_count": 1,
      "location_summary": "Charlestown, Massachusetts",
      "locations": [
        {
          "city": "Charlestown",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02346630"
    },
    {
      "nct_id": "NCT00357994",
      "title": "Study of Efficacy, Safety and Tolerability of Levodopa-Carbidopa Intestinal Gel in Levodopa-Responsive Parkinson's Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Advanced Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "Levodopa carbidopa intestinal gel (LCIG)",
          "type": "DRUG"
        },
        {
          "name": "Placebo gel",
          "type": "DRUG"
        },
        {
          "name": "Levodopa carbidopa (LC) oral encapsulated immediate release (IR) tablets",
          "type": "DRUG"
        },
        {
          "name": "Placebo (PBO) oral capsules",
          "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": 36,
      "start_date": "2009-01",
      "completion_date": "2011-10",
      "has_results": true,
      "last_update_posted_date": "2015-01-16",
      "last_synced_at": "2026-10-04T14:10:43.753Z",
      "location_count": 8,
      "location_summary": "Los Angeles, California • Englewood, Colorado • Washington D.C., District of Columbia + 5 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Englewood",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Bradenton",
          "state": "Florida"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00357994"
    },
    {
      "nct_id": "NCT07444892",
      "title": "Levodopa for Diabetic Retinopathy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Diabetic Retinopathy"
      ],
      "interventions": [
        {
          "name": "Levodopa",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 230,
      "start_date": "2022-04-18",
      "completion_date": "2025-11-17",
      "has_results": false,
      "last_update_posted_date": "2026-03-03",
      "last_synced_at": "2026-10-04T14:10:43.753Z",
      "location_count": 1,
      "location_summary": "Decatur, Georgia",
      "locations": [
        {
          "city": "Decatur",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07444892"
    },
    {
      "nct_id": "NCT00253084",
      "title": "Comparison of IPX054 and Immediate-Release Carbidopa-Levodopa in Patients With Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "IPX054 200 mg",
          "type": "DRUG"
        },
        {
          "name": "CD-LD IR",
          "type": "DRUG"
        },
        {
          "name": "IPX054 Placebo",
          "type": "DRUG"
        },
        {
          "name": "CD-LD IR Placebo",
          "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": "2005-11",
      "completion_date": "2007-12",
      "has_results": false,
      "last_update_posted_date": "2019-10-29",
      "last_synced_at": "2026-10-04T14:10:43.753Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois • Charleston, South Carolina",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00253084"
    }
  ]
}