{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=cigarette+or+e-cigarette&page=5",
    "query": {
      "intervention": "cigarette or e-cigarette",
      "page": 5
    },
    "page_size": 10
  },
  "pagination": {
    "page": 5,
    "page_size": 10,
    "total_count": 134,
    "total_pages": 14,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=cigarette+or+e-cigarette&page=6&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=cigarette+or+e-cigarette&page=4&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-15T10:19:15.982Z",
  "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": "NCT06395415",
      "title": "Development of a Mobile Health Intervention for Electronic Cigarette Use Among Young Adults",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Electronic Nicotine Delivery Systems",
        "Tobacco Products",
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "EQUIP",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard Care",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "26 Years",
        "sex": "ALL",
        "summary": "18 Years to 26 Years"
      },
      "enrollment_count": 46,
      "start_date": "2025-04-25",
      "completion_date": "2026-08",
      "has_results": false,
      "last_update_posted_date": "2026-04-27",
      "last_synced_at": "2026-11-15T10:19:15.982Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06395415"
    },
    {
      "nct_id": "NCT05280535",
      "title": "Dual Use of ENDS and Combustible Cigarettes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking, Cigarette",
        "Electronic Cigarette Use"
      ],
      "interventions": [
        {
          "name": "Cue Reactivity Task",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Computerized Visual Dot Probe",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Choice Task",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Brown University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "34 Years",
        "sex": "ALL",
        "summary": "21 Years to 34 Years"
      },
      "enrollment_count": 82,
      "start_date": "2022-12-14",
      "completion_date": "2025-05-20",
      "has_results": false,
      "last_update_posted_date": "2025-09-18",
      "last_synced_at": "2026-11-15T10:19:15.982Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05280535"
    },
    {
      "nct_id": "NCT03839745",
      "title": "Short-Term Cardiovascular Effects of E-Cigarettes: Influence of Device Power",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiovascular Risk Factor",
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "Electronic 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": 16,
      "start_date": "2019-03-26",
      "completion_date": "2021-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-07-01",
      "last_synced_at": "2026-11-15T10:19:15.982Z",
      "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/NCT03839745"
    },
    {
      "nct_id": "NCT04899999",
      "title": "Graphic Messages to Prevent E-Cigarette Use Among Black and Latino Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaping"
      ],
      "interventions": [
        {
          "name": "Financial reward graphic message",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Health reward graphic message",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Self-efficacy graphic message",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Social norms graphic message",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "12 Years to 17 Years"
      },
      "enrollment_count": 362,
      "start_date": "2021-08-06",
      "completion_date": "2021-12-15",
      "has_results": true,
      "last_update_posted_date": "2025-08-01",
      "last_synced_at": "2026-11-15T10:19:15.982Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04899999"
    },
    {
      "nct_id": "NCT01974063",
      "title": "Alternate Nicotine Delivery Systems and Airway Epithelial Biology",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Smoking",
        "Smoking Cessation"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 96,
      "start_date": "2013-03",
      "completion_date": "2017-05",
      "has_results": false,
      "last_update_posted_date": "2018-05-03",
      "last_synced_at": "2026-11-15T10:19:15.982Z",
      "location_count": 2,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01974063"
    },
    {
      "nct_id": "NCT03194256",
      "title": "Evaluating New Nicotine Standards for Cigarettes - Project 3",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking, Cigarette",
        "Electronic Cigarettes"
      ],
      "interventions": [
        {
          "name": "Spectrum Research Cigarettes",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Brown University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "20 Years",
        "sex": "ALL",
        "summary": "15 Years to 20 Years"
      },
      "enrollment_count": 80,
      "start_date": "2018-09-01",
      "completion_date": "2022-11-30",
      "has_results": true,
      "last_update_posted_date": "2023-12-18",
      "last_synced_at": "2026-11-15T10:19:15.982Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03194256"
    },
    {
      "nct_id": "NCT03721822",
      "title": "Imaging Sex Differences in Smoking-Induced Pulmonary Inflammation",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Smoking, Cigarette",
        "Smoking E-cigarette",
        "Healthy Volunteer"
      ],
      "interventions": [
        {
          "name": "[18F]NOS",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 100,
      "start_date": "2018-10-23",
      "completion_date": "2028-10-23",
      "has_results": false,
      "last_update_posted_date": "2026-09-24",
      "last_synced_at": "2026-11-15T10:19:15.982Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03721822"
    },
    {
      "nct_id": "NCT04523948",
      "title": "Comparative Tobacco Interventions for Individuals With Severe and Persisting Behavioral Health Disorders",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Tobacco Use"
      ],
      "interventions": [
        {
          "name": "Behavioral and pharmacological support to reduce combustible tobacco use.",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Rose Research Center, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2020-01-30",
      "completion_date": "2023-07-31",
      "has_results": false,
      "last_update_posted_date": "2021-09-28",
      "last_synced_at": "2026-11-15T10:19:15.982Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04523948"
    },
    {
      "nct_id": "NCT06474299",
      "title": "The Avenues Study: Dual Use Cessation",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Smoking Cessation",
        "Electronic Cigarette Use"
      ],
      "interventions": [
        {
          "name": "Varenicline",
          "type": "DRUG"
        },
        {
          "name": "Nicotine patch",
          "type": "DRUG"
        },
        {
          "name": "Dual Focused Cessation Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Smoking Focused Cessation Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Counseling Intensity: 1 Session",
          "type": "OTHER"
        },
        {
          "name": "Counseling Intensity: 4 Sessions",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 500,
      "start_date": "2024-09-24",
      "completion_date": "2028-07",
      "has_results": false,
      "last_update_posted_date": "2026-10-07",
      "last_synced_at": "2026-11-15T10:19:15.982Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06474299"
    },
    {
      "nct_id": "NCT06860698",
      "title": "The Impact of Chronic E-Cigarette Usage on Microvascular Health",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "E-Cig Use"
      ],
      "interventions": [
        {
          "name": "E-cig use",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Virginia Commonwealth University",
      "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": 41,
      "start_date": "2023-07-14",
      "completion_date": "2025-06-02",
      "has_results": false,
      "last_update_posted_date": "2026-09-14",
      "last_synced_at": "2026-11-15T10:19:15.982Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06860698"
    }
  ]
}