{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+for+Levodopa%2FCarbidopa+%28LD%2FCD%29",
    "query": {
      "intervention": "Placebo for Levodopa/Carbidopa (LD/CD)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 8,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-05T13:16:02.877Z",
  "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": "NCT05708274",
      "title": "Pharmacological Agents for Chronic Spinal Cord Injury (SCI)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Spinal Cord Injuries"
      ],
      "interventions": [
        {
          "name": "CPH + hand training",
          "type": "DRUG"
        },
        {
          "name": "CD-LD + hand training",
          "type": "DRUG"
        },
        {
          "name": "ATX + hand training",
          "type": "DRUG"
        },
        {
          "name": "Placebo + hand training",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bronx VA Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 25,
      "start_date": "2023-01-20",
      "completion_date": "2025-10-30",
      "has_results": false,
      "last_update_posted_date": "2025-12-08",
      "last_synced_at": "2026-10-05T13:16:02.877Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05708274"
    },
    {
      "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": "2026-10-05T13:16:02.877Z",
      "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"
    },
    {
      "nct_id": "NCT04006210",
      "title": "Efficacy, Safety and Tolerability Study of ND0612 vs. Oral Immediate Release Levodopa/Carbidopa (IR-LD/CD) in Subjects With Parkinson's Disease Experiencing Motor Fluctuations",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "ND0612 Solution for SC infusion",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Placebo for SC infusion",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Oral IR-LD/CD",
          "type": "DRUG"
        },
        {
          "name": "Placebo for Oral IR-LD/CD",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT",
        "DRUG"
      ],
      "sponsor": "NeuroDerm Ltd.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Years and older"
      },
      "enrollment_count": 381,
      "start_date": "2019-09-30",
      "completion_date": "2027-02",
      "has_results": false,
      "last_update_posted_date": "2025-05-21",
      "last_synced_at": "2026-10-05T13:16:02.877Z",
      "location_count": 38,
      "location_summary": "Phoenix, Arizona • Little Rock, Arkansas • Los Angeles, California + 34 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Reseda",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04006210"
    },
    {
      "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": "2026-10-05T13:16:02.877Z",
      "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"
    },
    {
      "nct_id": "NCT01351168",
      "title": "Use of Zolpidem in Parkinson's Disease",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "Levodopa",
          "type": "DRUG"
        },
        {
          "name": "Zolpidem first dose",
          "type": "DRUG"
        },
        {
          "name": "Zolpidem second dose",
          "type": "DRUG"
        },
        {
          "name": "sugar pill",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Rush University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "30 Years to 75 Years"
      },
      "enrollment_count": 0,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2012-12-03",
      "last_synced_at": "2026-10-05T13:16:02.877Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01351168"
    },
    {
      "nct_id": "NCT02605434",
      "title": "A Study to Assess the Safety and Efficacy of the of the Gastric-retentive AP-CD/LD in Advanced Parkinson's Patients",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "Accordion Pill™ Carbidopa/Levodopa",
          "type": "DRUG"
        },
        {
          "name": "Sinemet®",
          "type": "DRUG"
        },
        {
          "name": "Placebo -AP-CD/LD",
          "type": "DRUG"
        },
        {
          "name": "Placebo- Sinemet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Intec Pharma Ltd.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Years and older"
      },
      "enrollment_count": 420,
      "start_date": "2016-03",
      "completion_date": "2019-12",
      "has_results": false,
      "last_update_posted_date": "2019-08-08",
      "last_synced_at": "2026-10-05T13:16:02.877Z",
      "location_count": 36,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Fountain Valley, California + 32 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02605434"
    },
    {
      "nct_id": "NCT00880620",
      "title": "A Study To Evaluate The Safety And Efficacy Of IPX066 In Subjects With Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "IPX066 95 mg LD",
          "type": "DRUG"
        },
        {
          "name": "IPX066 145 mg LD",
          "type": "DRUG"
        },
        {
          "name": "IPX066 195 mg LD",
          "type": "DRUG"
        },
        {
          "name": "IPX066 245 mg LD",
          "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": 381,
      "start_date": "2009-04",
      "completion_date": "2010-11",
      "has_results": true,
      "last_update_posted_date": "2019-10-29",
      "last_synced_at": "2026-10-05T13:16:02.877Z",
      "location_count": 27,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Garden Grove, California + 22 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Garden Grove",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00880620"
    },
    {
      "nct_id": "NCT03670953",
      "title": "A Study to Evaluate the Safety and Efficacy of IPX203 in Parkinson's Disease Participants With Motor Fluctuations",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Parkinson's Disease (Disorder)"
      ],
      "interventions": [
        {
          "name": "IR CD-LD",
          "type": "DRUG"
        },
        {
          "name": "IPX203 ER CD-LD",
          "type": "DRUG"
        },
        {
          "name": "Placebo Matching IPX203",
          "type": "OTHER"
        },
        {
          "name": "Placebo Matching IR CD-LD",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "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": 630,
      "start_date": "2018-11-06",
      "completion_date": "2021-06-15",
      "has_results": true,
      "last_update_posted_date": "2023-02-09",
      "last_synced_at": "2026-10-05T13:16:02.877Z",
      "location_count": 56,
      "location_summary": "Phoenix, Arizona • Little Rock, Arkansas • Loma Linda, California + 46 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Loma Linda",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03670953"
    }
  ]
}