{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=CBD+400+mg",
    "query": {
      "intervention": "CBD 400 mg"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 31,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=CBD+400+mg&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-10T17:13:29.905Z",
  "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": "NCT01437293",
      "title": "Behavioral and Physiological Effects of Cocaine in Cocaine-dependent Participants Treated With Levodopa in Combination With Carbidopa and Entacapone (LCE)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cocaine Abuse"
      ],
      "interventions": [
        {
          "name": "L-dopa / carbidopa / entacapone (LCE)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "New York State Psychiatric Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "21 Years to 50 Years"
      },
      "enrollment_count": 15,
      "start_date": "2010-08",
      "completion_date": "2012-04",
      "has_results": false,
      "last_update_posted_date": "2018-05-21",
      "last_synced_at": "2026-09-10T17:13:29.905Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01437293"
    },
    {
      "nct_id": "NCT00439049",
      "title": "Substance Abuse Pre-Treatment Screening Study",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cocaine Abuse",
        "Cocaine Dependence",
        "Opiate Dependence",
        "Alcohol Dependence",
        "Substance Abuse"
      ],
      "interventions": [
        {
          "name": "modafinil",
          "type": "DRUG"
        },
        {
          "name": "d-amphetamine",
          "type": "DRUG"
        },
        {
          "name": "L-Dopa",
          "type": "DRUG"
        },
        {
          "name": "Naltrexone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 7500,
      "start_date": "2005-10",
      "completion_date": "2026-06",
      "has_results": false,
      "last_update_posted_date": "2023-12-20",
      "last_synced_at": "2026-09-10T17:13:29.905Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00439049"
    },
    {
      "nct_id": "NCT02812147",
      "title": "Effect of L-Dihydoxyphenylserine on Locomotion, Postural Stability, and Fall Risk Reduction in Parkinson Disease",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "L-DOPS",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "St. Joseph's Hospital and Medical Center, Phoenix",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "83 Years",
        "sex": "ALL",
        "summary": "30 Years to 83 Years"
      },
      "enrollment_count": 20,
      "start_date": "2016-05",
      "completion_date": "2019-06",
      "has_results": false,
      "last_update_posted_date": "2019-02-15",
      "last_synced_at": "2026-09-10T17:13:29.905Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02812147"
    },
    {
      "nct_id": "NCT00983814",
      "title": "Study of Droxidopa Treatment in Adults With Attention Deficit Hyperactivity Disorder With Co-administration of Carbidopa",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Attention Deficit Hyperactivity Disorder"
      ],
      "interventions": [
        {
          "name": "Droxidopa+Carbidopa",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Chelsea Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 20,
      "start_date": "2009-10",
      "completion_date": "2011-07",
      "has_results": true,
      "last_update_posted_date": "2024-04-18",
      "last_synced_at": "2026-09-10T17:13:29.905Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00983814"
    },
    {
      "nct_id": "NCT00099268",
      "title": "Efficacy and Safety of Carbidopa/Levodopa/Entacapone in Patients With Parkinson's Disease Requiring Initiation of Levodopa Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "Carbidopa/levodopa/entacapone",
          "type": "DRUG"
        },
        {
          "name": "Immediate release carbidopa/levodopa",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "30 Years to 70 Years"
      },
      "enrollment_count": 747,
      "start_date": "2004-09",
      "completion_date": "2008-11",
      "has_results": true,
      "last_update_posted_date": "2012-04-23",
      "last_synced_at": "2026-09-10T17:13:29.905Z",
      "location_count": 31,
      "location_summary": "Birmingham, Alabama • Scottsdale, Arizona • La Jolla, California + 25 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00099268"
    },
    {
      "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": "2026-09-10T17:13:29.905Z",
      "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": "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": "2026-09-10T17:13:29.905Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02080819"
    },
    {
      "nct_id": "NCT07278505",
      "title": "Study of Cannabidiol and Neuroimaging on Stress",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Early Life Adversity",
        "Trauma",
        "Stress"
      ],
      "interventions": [
        {
          "name": "Cannabidiol",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "18 Years to 25 Years"
      },
      "enrollment_count": 160,
      "start_date": "2025-10-29",
      "completion_date": "2030-02-28",
      "has_results": false,
      "last_update_posted_date": "2026-09-10",
      "last_synced_at": "2026-09-10T17:13:29.905Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07278505"
    },
    {
      "nct_id": "NCT01844687",
      "title": "Laboratory Study of Cannabidiol on the Effects of Smoked Marijuana",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Smoking, Marijuana"
      ],
      "interventions": [
        {
          "name": "CBD",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute on Drug Abuse (NIDA)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 50,
      "start_date": "2013-05",
      "completion_date": "2014-10",
      "has_results": true,
      "last_update_posted_date": "2019-12-09",
      "last_synced_at": "2026-09-10T17:13:29.905Z",
      "location_count": 3,
      "location_summary": "Lexington, Kentucky • New York, New York • Charleston, South Carolina",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01844687"
    },
    {
      "nct_id": "NCT04587791",
      "title": "Cannabidiol in Opioid Use Disorder and Chronic Pain",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Chronic Pain",
        "Opioid Use Disorder"
      ],
      "interventions": [
        {
          "name": "400 mg Cannabidiol",
          "type": "DRUG"
        },
        {
          "name": "800 mg Cannabidiol",
          "type": "DRUG"
        },
        {
          "name": "1200 mg Cannabidiol",
          "type": "DRUG"
        },
        {
          "name": "Beta carotene oral solution without CBD",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 34,
      "start_date": "2021-12-08",
      "completion_date": "2026-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-14",
      "last_synced_at": "2026-09-10T17:13:29.905Z",
      "location_count": 1,
      "location_summary": "West Haven, Connecticut",
      "locations": [
        {
          "city": "West Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04587791"
    }
  ]
}