{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Combustible+Cigarette",
    "query": {
      "intervention": "Combustible Cigarette"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 88,
    "total_pages": 9,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Combustible+Cigarette&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T09:19:33.063Z",
  "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": "NCT04946825",
      "title": "Quit Smoking Study for People Who Use E-Cigarettes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Nicotine Addiction",
        "E-Cig Use",
        "Quitting Smoking"
      ],
      "interventions": [
        {
          "name": "Nicotine replacement therapy patch",
          "type": "DRUG"
        },
        {
          "name": "Nicotine replacement therapy lozenge",
          "type": "DRUG"
        },
        {
          "name": "Quit electronic cigarettes",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Continue electronic cigarettes",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "University of Vermont",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "29 Years",
        "sex": "ALL",
        "summary": "18 Years to 29 Years"
      },
      "enrollment_count": 396,
      "start_date": "2021-06-27",
      "completion_date": "2023-10-25",
      "has_results": true,
      "last_update_posted_date": "2025-05-22",
      "last_synced_at": "2026-09-03T09:19:33.063Z",
      "location_count": 1,
      "location_summary": "Burlington, Vermont",
      "locations": [
        {
          "city": "Burlington",
          "state": "Vermont"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04946825"
    },
    {
      "nct_id": "NCT07476144",
      "title": "Nicotine Pouch Pharmacokinetics Abuse Liability",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Smoking Behaviors"
      ],
      "interventions": [
        {
          "name": "Participants will place the pouch between their top lip and their gum for 30 minutes as per use instructions.",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "JT International SA",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "22 Years to 65 Years"
      },
      "enrollment_count": 55,
      "start_date": "2026-01-08",
      "completion_date": "2026-10",
      "has_results": false,
      "last_update_posted_date": "2026-08-19",
      "last_synced_at": "2026-09-03T09:19:33.063Z",
      "location_count": 2,
      "location_summary": "Knoxville, Tennessee • San Antonio, Texas",
      "locations": [
        {
          "city": "Knoxville",
          "state": "Tennessee"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07476144"
    },
    {
      "nct_id": "NCT02269514",
      "title": "Comparison of Nicotine Plasma Concentrations and Subjective Effects for Three Electronic Cigarettes vs Combustible Cigarettes and Nicotine Gum",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking"
      ],
      "interventions": [
        {
          "name": "Own Brand Cigarette",
          "type": "OTHER"
        },
        {
          "name": "Electronic Cigarette #1",
          "type": "OTHER"
        },
        {
          "name": "Electronic Cigarette #2",
          "type": "OTHER"
        },
        {
          "name": "Electronic Cigarette #3",
          "type": "OTHER"
        },
        {
          "name": "Leading U.S. Nicotine Gum",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "R.J. Reynolds Vapor Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "21 Years to 60 Years"
      },
      "enrollment_count": 45,
      "start_date": "2014-05",
      "completion_date": "2015-01",
      "has_results": false,
      "last_update_posted_date": "2018-06-04",
      "last_synced_at": "2026-09-03T09:19:33.063Z",
      "location_count": 1,
      "location_summary": "Lincoln, Nebraska",
      "locations": [
        {
          "city": "Lincoln",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02269514"
    },
    {
      "nct_id": "NCT05815199",
      "title": "E-cigarettes for Harm Reduction Among Smokers With Serious Mental Illness",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "E-cigarette (EC)",
          "type": "OTHER"
        },
        {
          "name": "Nicotine Replacement Therapy (NRT)",
          "type": "OTHER"
        },
        {
          "name": "Harm-Reduction Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Ecological Momentary Intervention (EMI) Text Messaging",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2023-11-13",
      "completion_date": "2026-03",
      "has_results": false,
      "last_update_posted_date": "2025-10-10",
      "last_synced_at": "2026-09-03T09:19:33.063Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05815199"
    },
    {
      "nct_id": "NCT06234722",
      "title": "Modeling Tobacco Regulatory Impacts in Appalachia Using the Experimental Tobacco Marketplace",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use",
        "Cigarette Use"
      ],
      "interventions": [
        {
          "name": "Very Low Nicotine Cigarette",
          "type": "DRUG"
        },
        {
          "name": "Reduced nicotine regulatory environment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Restriction on characterizing flavors in combustible nicotine products",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Restriction on characterizing flavors in noncombustible nicotine products",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Mikhail N Koffarnus",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 473,
      "start_date": "2024-08-16",
      "completion_date": "2028-08",
      "has_results": false,
      "last_update_posted_date": "2026-06-15",
      "last_synced_at": "2026-09-03T09:19:33.063Z",
      "location_count": 1,
      "location_summary": "Lexington, Kentucky",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06234722"
    },
    {
      "nct_id": "NCT05555069",
      "title": "The Impact of Menthol Flavoring on Switching in Adult Menthol Smokers",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Reduction"
      ],
      "interventions": [
        {
          "name": "Menthol-flavored electronic cigarette",
          "type": "OTHER"
        },
        {
          "name": "Tobacco-flavored electronic cigarette",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Nikki Nollen, PhD, MA",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 800,
      "start_date": "2022-11-08",
      "completion_date": "2027-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-01-23",
      "last_synced_at": "2026-09-03T09:19:33.063Z",
      "location_count": 1,
      "location_summary": "Kansas City, Missouri",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05555069"
    },
    {
      "nct_id": "NCT03815591",
      "title": "Implementation and Dissemination of an Evidence-Based Tobacco Product Use Prevention Videogame Intervention With Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation",
        "Smoking"
      ],
      "interventions": [
        {
          "name": "smokeSCREEN web-based game",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "16 Years",
        "sex": "ALL",
        "summary": "10 Years to 16 Years"
      },
      "enrollment_count": 560,
      "start_date": "2019-02-01",
      "completion_date": "2021-12-31",
      "has_results": false,
      "last_update_posted_date": "2022-04-22",
      "last_synced_at": "2026-09-03T09:19:33.063Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03815591"
    },
    {
      "nct_id": "NCT04167384",
      "title": "CSD190301: A Study to Assess Elements of Abuse Liability for Two Dissolvable Nicotine Lozenge Tobacco Products",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking",
        "Tobacco Use",
        "Tobacco Smoking"
      ],
      "interventions": [
        {
          "name": "Product A",
          "type": "OTHER"
        },
        {
          "name": "Product B",
          "type": "OTHER"
        },
        {
          "name": "Product C",
          "type": "OTHER"
        },
        {
          "name": "Product D",
          "type": "OTHER"
        },
        {
          "name": "Product E",
          "type": "OTHER"
        },
        {
          "name": "Product F",
          "type": "OTHER"
        },
        {
          "name": "Product G",
          "type": "OTHER"
        },
        {
          "name": "Product H",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "RAI Services Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "21 Years to 60 Years"
      },
      "enrollment_count": 69,
      "start_date": "2019-12-02",
      "completion_date": "2020-02-28",
      "has_results": false,
      "last_update_posted_date": "2020-03-12",
      "last_synced_at": "2026-09-03T09:19:33.063Z",
      "location_count": 1,
      "location_summary": "High Point, North Carolina",
      "locations": [
        {
          "city": "High Point",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04167384"
    },
    {
      "nct_id": "NCT04143256",
      "title": "Evaluating Selected Constituents in the Exhaled Breath Samples",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Electronic Cigarette Use",
        "Cigarette Use, Electronic",
        "Tobacco Use",
        "Tobacco Smoking"
      ],
      "interventions": [
        {
          "name": "JUUL ENDS 5% Virginia Tobacco",
          "type": "OTHER"
        },
        {
          "name": "JUUL 3% Virginia Tobacco ENDS",
          "type": "OTHER"
        },
        {
          "name": "JUUL 5% Mint ENDS",
          "type": "OTHER"
        },
        {
          "name": "JUUL 3% Mint ENDS",
          "type": "OTHER"
        },
        {
          "name": "JUUL 5% Menthol ENDS",
          "type": "OTHER"
        },
        {
          "name": "JUUL 3% Menthol ENDS",
          "type": "OTHER"
        },
        {
          "name": "JUUL 5% Mango ENDS",
          "type": "OTHER"
        },
        {
          "name": "JUUL 3% Mango ENDS",
          "type": "OTHER"
        },
        {
          "name": "US Cigarette, Non-menthol - Marlboro Gold King Size",
          "type": "OTHER"
        },
        {
          "name": "US Cigarette, Menthol - Newport King Size",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Juul Labs, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 135,
      "start_date": "2019-10-03",
      "completion_date": "2019-12-13",
      "has_results": false,
      "last_update_posted_date": "2020-02-11",
      "last_synced_at": "2026-09-03T09:19:33.063Z",
      "location_count": 3,
      "location_summary": "Secaucus, New Jersey • Charlotte, North Carolina • Raleigh, North Carolina",
      "locations": [
        {
          "city": "Secaucus",
          "state": "New Jersey"
        },
        {
          "city": "Charlotte",
          "state": "North Carolina"
        },
        {
          "city": "Raleigh",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04143256"
    },
    {
      "nct_id": "NCT04084210",
      "title": "Impact of Alternative Nicotine-Delivery Products on Combustible Cigarette Use",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "Juul Electronic cigarette",
          "type": "DEVICE"
        },
        {
          "name": "Very Low Nicotine Cigarettes",
          "type": "OTHER"
        },
        {
          "name": "Active Nicotine Patch",
          "type": "DRUG"
        },
        {
          "name": "Placebo Patch",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER",
        "DRUG"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 209,
      "start_date": "2020-09-09",
      "completion_date": "2022-05-23",
      "has_results": true,
      "last_update_posted_date": "2023-05-25",
      "last_synced_at": "2026-09-03T09:19:33.063Z",
      "location_count": 2,
      "location_summary": "Madison, Wisconsin • Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        },
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04084210"
    }
  ]
}