{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Levodopa+%2F+Carbidopa&page=3",
    "query": {
      "intervention": "Levodopa / Carbidopa",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 124,
    "total_pages": 13,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Levodopa+%2F+Carbidopa&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Levodopa+%2F+Carbidopa&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-06T14:21:05.065Z",
  "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": "NCT01528592",
      "title": "PharmacoMRI of Parkinson Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "Carbidopa-Levodopa",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Years and older"
      },
      "enrollment_count": 18,
      "start_date": "2011-06",
      "completion_date": "2012-07",
      "has_results": true,
      "last_update_posted_date": "2018-05-03",
      "last_synced_at": "2026-10-06T14:21:05.065Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01528592"
    },
    {
      "nct_id": "NCT02549092",
      "title": "A Study to Examine the Effect of Levodopa-Carbidopa Intestinal Gel (LCIG) Therapy Relative to That of Optimized Medical Treatment (OMT) on Non-motor Symptoms (NMS) Associated With Advanced Parkinson's Disease (PD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Advanced Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "Optimized Medical Treatment",
          "type": "DRUG"
        },
        {
          "name": "Levodopa-Carbidopa Intestinal Gel",
          "type": "DRUG"
        },
        {
          "name": "Nasojejunal (NJ) tube",
          "type": "DEVICE"
        },
        {
          "name": "Percutaneous endoscopic gastrostomy with a jejunal (PEG-J) tube",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "AbbVie",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Years and older"
      },
      "enrollment_count": 89,
      "start_date": "2015-10-26",
      "completion_date": "2022-11-18",
      "has_results": true,
      "last_update_posted_date": "2023-11-28",
      "last_synced_at": "2026-10-06T14:21:05.065Z",
      "location_count": 8,
      "location_summary": "Fountain Valley, California • Boca Raton, Florida • Jacksonville, Florida + 5 more",
      "locations": [
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "Boca Raton",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Port Charlotte",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02549092"
    },
    {
      "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": "2026-10-06T14:21:05.065Z",
      "location_count": 1,
      "location_summary": "Charlestown, Massachusetts",
      "locations": [
        {
          "city": "Charlestown",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02346630"
    },
    {
      "nct_id": "NCT02549573",
      "title": "Outpatient Physical Therapy Intervention in Subjects With Parkinson's Disease Currently Using APOKYN®",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Parkinson's Disease",
        "Motor Symptoms"
      ],
      "interventions": [
        {
          "name": "APOKYN",
          "type": "DRUG"
        },
        {
          "name": "Physical Therapy",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "MDD US Operations, LLC a subsidiary of Supernus Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "78 Years",
        "sex": "ALL",
        "summary": "18 Years to 78 Years"
      },
      "enrollment_count": 13,
      "start_date": "2016-01",
      "completion_date": "2016-12",
      "has_results": true,
      "last_update_posted_date": "2023-09-01",
      "last_synced_at": "2026-10-06T14:21:05.065Z",
      "location_count": 12,
      "location_summary": "Phoenix, Arizona • Scottsdale, Arizona • Loma Linda, California + 9 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Sunnyvale",
          "state": "California"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02549573"
    },
    {
      "nct_id": "NCT00715520",
      "title": "Neurobiological Principles Applied to the Rehabilitation of Stroke Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stroke"
      ],
      "interventions": [
        {
          "name": "Transcranial Magnetic Stimulation (TMS)",
          "type": "OTHER"
        },
        {
          "name": "Carbidopa-Levodopa",
          "type": "DRUG"
        },
        {
          "name": "Methylphenidate",
          "type": "DRUG"
        },
        {
          "name": "Amphetamine Sulfate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Sham Transcranial Magnetic Stimulation (TMS)",
          "type": "OTHER"
        },
        {
          "name": "Transcranial Magnetic Stimulation (TMS) Training",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 33,
      "start_date": "2007-04",
      "completion_date": "2016-09",
      "has_results": true,
      "last_update_posted_date": "2017-10-16",
      "last_synced_at": "2026-10-06T14:21:05.065Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00715520"
    },
    {
      "nct_id": "NCT00955045",
      "title": "A Long-Term, Safety Study With a Flexible Dose Range of KW-6002 in Patients With Motor Response Complications on Levodopa/Carbidopa Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "istradefylline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Kyowa Kirin, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Years and older"
      },
      "enrollment_count": null,
      "start_date": "2002-08",
      "completion_date": "2003-10",
      "has_results": false,
      "last_update_posted_date": "2024-04-25",
      "last_synced_at": "2026-10-06T14:21:05.065Z",
      "location_count": 1,
      "location_summary": "Princeton, New Jersey",
      "locations": [
        {
          "city": "Princeton",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00955045"
    },
    {
      "nct_id": "NCT05885360",
      "title": "Istradefylline Effect Protocol on Parkinson's Disease Tremor",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Parkinson Disease",
        "Tremor"
      ],
      "interventions": [
        {
          "name": "Istradefylline Pill",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Georgetown University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 27,
      "start_date": "2023-01-20",
      "completion_date": "2025-02-21",
      "has_results": false,
      "last_update_posted_date": "2025-03-13",
      "last_synced_at": "2026-10-06T14:21:05.065Z",
      "location_count": 1,
      "location_summary": "McLean, Virginia",
      "locations": [
        {
          "city": "McLean",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05885360"
    },
    {
      "nct_id": "NCT05083260",
      "title": "NE3107 Activity and Safety in Patients With Parkinson's Disease Using Levodopa",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "NE3107",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "BioVie Inc.",
      "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": 46,
      "start_date": "2022-01-04",
      "completion_date": "2023-01-04",
      "has_results": false,
      "last_update_posted_date": "2023-02-08",
      "last_synced_at": "2026-10-06T14:21:05.065Z",
      "location_count": 16,
      "location_summary": "Englewood, Colorado • Boca Raton, Florida • Hallandale, Florida + 10 more",
      "locations": [
        {
          "city": "Englewood",
          "state": "Colorado"
        },
        {
          "city": "Boca Raton",
          "state": "Florida"
        },
        {
          "city": "Hallandale",
          "state": "Florida"
        },
        {
          "city": "Lady Lake",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05083260"
    },
    {
      "nct_id": "NCT02577523",
      "title": "A Clinical Study of Efficacy, Safety, Tolerability and PK of ND0612H in Subjects With Advanced Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "ND0612 (Levodopa/Carbidopa solution)",
          "type": "DRUG"
        },
        {
          "name": "ND0612 (Levodopa/Carbidopa solution) + morning oral IR-LD/CD",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "NeuroDerm Ltd.",
      "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": 38,
      "start_date": "2015-12-29",
      "completion_date": "2017-01-31",
      "has_results": true,
      "last_update_posted_date": "2023-05-25",
      "last_synced_at": "2026-10-06T14:21:05.065Z",
      "location_count": 3,
      "location_summary": "Chicago, Illinois • Farmington Hills, Michigan • Cincinnati, Ohio",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Farmington Hills",
          "state": "Michigan"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02577523"
    },
    {
      "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": "2026-10-06T14:21:05.065Z",
      "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"
    }
  ]
}