{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=marijuana+cigarette",
    "query": {
      "intervention": "marijuana cigarette"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 74,
    "total_pages": 8,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=marijuana+cigarette&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-28T20:01:58.254Z",
  "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": "NCT06919263",
      "title": "Influencer E-Cigarette and Cannabis Marketing: a Survey-Based Experiment Among Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Electronic Nicotine Delivery Systems"
      ],
      "interventions": [
        {
          "name": "Influencer marketing",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "16 Years to 17 Years"
      },
      "enrollment_count": 1462,
      "start_date": "2023-09-25",
      "completion_date": "2023-11-30",
      "has_results": false,
      "last_update_posted_date": "2025-04-09",
      "last_synced_at": "2026-09-28T20:01:58.254Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06919263"
    },
    {
      "nct_id": "NCT04707911",
      "title": "Social Media Intervention to Stop Nicotine and Cannabis Vaping Among Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaping"
      ],
      "interventions": [
        {
          "name": "Social Media Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "13 Years to 21 Years"
      },
      "enrollment_count": 500,
      "start_date": "2021-11-18",
      "completion_date": "2024-06-18",
      "has_results": false,
      "last_update_posted_date": "2024-06-21",
      "last_synced_at": "2026-09-28T20:01:58.254Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04707911"
    },
    {
      "nct_id": "NCT00982982",
      "title": "Effects of Delta-9-THC and Iomazenil in Healthy Humans",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Schizophrenia",
        "Mental Disorders",
        "Psychotic Disorders"
      ],
      "interventions": [
        {
          "name": "THC and Iomazenil",
          "type": "DRUG"
        },
        {
          "name": "Placebo (control)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "MALE",
        "summary": "18 Years to 55 Years · Male only"
      },
      "enrollment_count": 17,
      "start_date": "2009-02-11",
      "completion_date": "2013-02-22",
      "has_results": false,
      "last_update_posted_date": "2022-12-05",
      "last_synced_at": "2026-09-28T20:01:58.254Z",
      "location_count": 1,
      "location_summary": "West Haven, Connecticut",
      "locations": [
        {
          "city": "West Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00982982"
    },
    {
      "nct_id": "NCT04040153",
      "title": "Guiding Good Choices for Health",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Adolescent Substance Use"
      ],
      "interventions": [
        {
          "name": "Guiding Good Choices",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "11 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "11 Years to 12 Years"
      },
      "enrollment_count": 3636,
      "start_date": "2019-09-30",
      "completion_date": "2025-05-31",
      "has_results": false,
      "last_update_posted_date": "2024-06-03",
      "last_synced_at": "2026-09-28T20:01:58.254Z",
      "location_count": 3,
      "location_summary": "Oakland, California • Aurora, Colorado • Detroit, Michigan",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04040153"
    },
    {
      "nct_id": "NCT04429568",
      "title": "THC Crossover Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "THC",
        "Cannabis",
        "Cannabis Smoking",
        "Cannabis Use, Unspecified",
        "Cigarette Smoking",
        "Tobacco Use",
        "Nicotine Dependence",
        "Nicotine Withdrawal",
        "Cardiovascular Risk Factor"
      ],
      "interventions": [
        {
          "name": "Smoked Cannabis",
          "type": "OTHER"
        },
        {
          "name": "Vaped Cannabis",
          "type": "OTHER"
        },
        {
          "name": "Tobacco Cigarette",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 14,
      "start_date": "2020-10-30",
      "completion_date": "2024-06-25",
      "has_results": false,
      "last_update_posted_date": "2024-07-01",
      "last_synced_at": "2026-09-28T20:01:58.254Z",
      "location_count": 2,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04429568"
    },
    {
      "nct_id": "NCT05999383",
      "title": "Understanding the Clinical Pharmacology of Marijuana-Tobacco Co-administration",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "THC",
        "Cannabis",
        "Cannabis Use",
        "Cannabis Smoking",
        "Tobacco Use",
        "Vaping"
      ],
      "interventions": [
        {
          "name": "Cannabis",
          "type": "DRUG"
        },
        {
          "name": "Nicotine",
          "type": "DRUG"
        },
        {
          "name": "Pax Loose Leaf Vaporizer",
          "type": "DEVICE"
        },
        {
          "name": "Placebo Marijuana",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 48,
      "start_date": "2025-07-01",
      "completion_date": "2028-02-01",
      "has_results": false,
      "last_update_posted_date": "2026-01-07",
      "last_synced_at": "2026-09-28T20:01:58.254Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05999383"
    },
    {
      "nct_id": "NCT01721473",
      "title": "Brain Nicotine Receptor Density in Veteran Smokers",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Positron Emission Tomography"
      ],
      "interventions": [
        {
          "name": "positron emission tomography scan",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "VA Office of Research and Development",
      "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": 184,
      "start_date": "2012-01-01",
      "completion_date": "2016-06-30",
      "has_results": true,
      "last_update_posted_date": "2019-10-07",
      "last_synced_at": "2026-09-28T20:01:58.254Z",
      "location_count": 2,
      "location_summary": "San Diego, California • West Los Angeles, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "West Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01721473"
    },
    {
      "nct_id": "NCT06688539",
      "title": "E-cigarette Cessation in Adults Who Co-use Cannabis",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Nicotine Dependence",
        "Tobacco Use Disorder"
      ],
      "interventions": [
        {
          "name": "Varenicline Pill",
          "type": "DRUG"
        },
        {
          "name": "Contingency management",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Counseling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 105,
      "start_date": "2025-02-19",
      "completion_date": "2027-06-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-12",
      "last_synced_at": "2026-09-28T20:01:58.254Z",
      "location_count": 3,
      "location_summary": "Charleston, South Carolina • Lancaster, South Carolina • Pickens, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        },
        {
          "city": "Lancaster",
          "state": "South Carolina"
        },
        {
          "city": "Pickens",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06688539"
    },
    {
      "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": "2026-09-28T20:01:58.254Z",
      "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": "NCT00743145",
      "title": "Effects of Low-dose Naltrexone in Combination With a Range of Smoked Marijuana",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Marijuana Smoking"
      ],
      "interventions": [
        {
          "name": "Inactive Marijuana (0% THC)",
          "type": "DRUG"
        },
        {
          "name": "Active Marijuana (5.5% THC)",
          "type": "DRUG"
        },
        {
          "name": "Active Marijuana (6.2% THC)",
          "type": "DRUG"
        },
        {
          "name": "Naltrexone",
          "type": "DRUG"
        },
        {
          "name": "Placebo naltrexone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "New York State Psychiatric Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "21 Years to 45 Years"
      },
      "enrollment_count": 23,
      "start_date": "2008-05",
      "completion_date": "2009-09",
      "has_results": true,
      "last_update_posted_date": "2018-09-14",
      "last_synced_at": "2026-09-28T20:01:58.254Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00743145"
    }
  ]
}