{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Carbidopa+Levodopa&page=6",
    "query": {
      "intervention": "Carbidopa Levodopa",
      "page": 6
    },
    "page_size": 10
  },
  "pagination": {
    "page": 6,
    "page_size": 10,
    "total_count": 124,
    "total_pages": 13,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Carbidopa+Levodopa&page=7&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Carbidopa+Levodopa&page=5&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-12T10:41:43.571Z",
  "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": "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": "2026-10-12T10:41:43.571Z",
      "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": "NCT00366184",
      "title": "Influence of Theta Burst Stimulation and Carbidopa-Levodopa on Motor Performance in Stroke Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Stroke"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Neurological Disorders and Stroke (NINDS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 20,
      "start_date": "2006-08-08",
      "completion_date": "2010-05-26",
      "has_results": false,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-10-12T10:41:43.571Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00366184"
    },
    {
      "nct_id": "NCT04821830",
      "title": "Vigor and the LDR in Parkinson Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "carbidopa/levodopa, as prescribed by treating physician",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "45 Years to 90 Years"
      },
      "enrollment_count": 19,
      "start_date": "2020-02-12",
      "completion_date": "2024-04-25",
      "has_results": true,
      "last_update_posted_date": "2025-07-18",
      "last_synced_at": "2026-10-12T10:41:43.571Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04821830"
    },
    {
      "nct_id": "NCT01429077",
      "title": "Augmenting Language Therapy for Aphasia: Levodopa",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Nonfluent Aphasia",
        "Stroke"
      ],
      "interventions": [
        {
          "name": "levodopa/carbidopa",
          "type": "DRUG"
        },
        {
          "name": "Placebo comparator",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Shirley Ryan AbilityLab",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 36,
      "start_date": "2007-10",
      "completion_date": "2012-03",
      "has_results": true,
      "last_update_posted_date": "2013-12-25",
      "last_synced_at": "2026-10-12T10:41:43.571Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01429077"
    },
    {
      "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": "2026-10-12T10:41:43.571Z",
      "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": "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": "2026-10-12T10:41:43.571Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02080819"
    },
    {
      "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": "2026-10-12T10:41:43.571Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00218075"
    },
    {
      "nct_id": "NCT03374917",
      "title": "A Study in Subjects With Parkinson's Disease to Evaluate the Safety and Tolerability of Titration and Continuous Subcutaneous Infusion of ABBV-951 in an Outpatient Environment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Parkinson's Disease (PD)"
      ],
      "interventions": [
        {
          "name": "ABBV-951",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AbbVie",
      "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": 20,
      "start_date": "2018-04-18",
      "completion_date": "2019-03-04",
      "has_results": false,
      "last_update_posted_date": "2024-11-12",
      "last_synced_at": "2026-10-12T10:41:43.571Z",
      "location_count": 12,
      "location_summary": "Sun City, Arizona • Loma Linda, California • Orange, California + 9 more",
      "locations": [
        {
          "city": "Sun City",
          "state": "Arizona"
        },
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03374917"
    },
    {
      "nct_id": "NCT01190813",
      "title": "Levodopa for the Treatment of Residual Amblyopia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Amblyopia"
      ],
      "interventions": [
        {
          "name": "Levodopa/Carbidopa",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Patching",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Jaeb Center for Health Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "7 Years to 12 Years"
      },
      "enrollment_count": 139,
      "start_date": "2010-09",
      "completion_date": "2014-04",
      "has_results": true,
      "last_update_posted_date": "2016-06-02",
      "last_synced_at": "2026-10-12T10:41:43.571Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01190813"
    },
    {
      "nct_id": "NCT04380142",
      "title": "Study Comparing Continuous Subcutaneous Infusion Of ABBV-951 With Oral Carbidopa/Levodopa Tablets For Treatment Of Motor Fluctuations In Adult Participants With Advanced Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Parkinson's Disease (PD)"
      ],
      "interventions": [
        {
          "name": "ABBV-951",
          "type": "DRUG"
        },
        {
          "name": "Placebo for Levodopa/Carbidopa (LD/CD)",
          "type": "DRUG"
        },
        {
          "name": "Levodopa/Carbidopa (LD/CD)",
          "type": "DRUG"
        },
        {
          "name": "Placebo for ABBV-951",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": 174,
      "start_date": "2020-10-19",
      "completion_date": "2021-09-29",
      "has_results": true,
      "last_update_posted_date": "2022-11-18",
      "last_synced_at": "2026-10-12T10:41:43.571Z",
      "location_count": 70,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 62 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04380142"
    }
  ]
}