{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cigarette+Use&page=16",
    "query": {
      "condition": "Cigarette Use",
      "page": 16
    },
    "page_size": 10
  },
  "pagination": {
    "page": 16,
    "page_size": 10,
    "total_count": 689,
    "total_pages": 69,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cigarette+Use&page=17&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cigarette+Use&page=15&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-27T20:20:57.988Z",
  "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": "NCT05881304",
      "title": "Switching Individuals in Treatment for Opioid Use Disorder Who Smoke Cigarettes to the SREC",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Electronic Cigarette Use"
      ],
      "interventions": [
        {
          "name": "Standardized research e-cigarette (SREC)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 41,
      "start_date": "2024-06-03",
      "completion_date": "2025-12-31",
      "has_results": true,
      "last_update_posted_date": "2026-10-21",
      "last_synced_at": "2026-10-27T20:20:57.988Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05881304"
    },
    {
      "nct_id": "NCT03612349",
      "title": "Assessing Tobacco Product Choice When the Cost of Menthol Cigarettes Increases",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use",
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "Experimental Tobacco Marketplace Task",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Brown University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2018-07-09",
      "completion_date": "2020-02",
      "has_results": false,
      "last_update_posted_date": "2018-09-28",
      "last_synced_at": "2026-10-27T20:20:57.988Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03612349"
    },
    {
      "nct_id": "NCT07897058",
      "title": "Project E-Shift: A Harm Reduction Intervention for Chronically Unhoused Smokers.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking Behavior",
        "E-Cigarette Use"
      ],
      "interventions": [
        {
          "name": "E-cigarette",
          "type": "OTHER"
        },
        {
          "name": "Nicotine replacement therapy (patch, gum), both arms",
          "type": "DRUG"
        },
        {
          "name": "CO-contingent financial incentives, both arms",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cessation counseling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Thomas Jefferson University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 44,
      "start_date": "2025-08-05",
      "completion_date": "2026-07-29",
      "has_results": false,
      "last_update_posted_date": "2026-10-27",
      "last_synced_at": "2026-10-27T20:20:57.988Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07897058"
    },
    {
      "nct_id": "NCT07694739",
      "title": "E-cigarette Social Media Marketing and Its Perceptions by Youth",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaping"
      ],
      "interventions": [
        {
          "name": "Exposure to Influencer Age and Context Variations in E-Cigarette Marketing",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "14 Years to 17 Years"
      },
      "enrollment_count": 6000,
      "start_date": "2027-01-01",
      "completion_date": "2030-12-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-20",
      "last_synced_at": "2026-10-27T20:20:57.988Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07694739"
    },
    {
      "nct_id": "NCT02592772",
      "title": "Manipulating Tobacco Constituents in Male Menthol Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "Reduced Nicotine Non-Menthol (RNC)",
          "type": "OTHER"
        },
        {
          "name": "Reduced Nicotine Menthol (RNC-Men)",
          "type": "OTHER"
        },
        {
          "name": "Conventional Nicotine Non-Menthol (CN)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "UConn Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "MALE",
        "summary": "18 Years to 45 Years · Male only"
      },
      "enrollment_count": 118,
      "start_date": "2016-02-04",
      "completion_date": "2019-06",
      "has_results": false,
      "last_update_posted_date": "2020-04-09",
      "last_synced_at": "2026-10-27T20:20:57.988Z",
      "location_count": 2,
      "location_summary": "Farmington, Connecticut • Hartford, Connecticut",
      "locations": [
        {
          "city": "Farmington",
          "state": "Connecticut"
        },
        {
          "city": "Hartford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02592772"
    },
    {
      "nct_id": "NCT05396911",
      "title": "Development of UP2UTeacher for High School Youth",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use Cessation",
        "Tobacco Use",
        "Electronic Cigarette Use"
      ],
      "interventions": [
        {
          "name": "UP2UTeacher",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "15 Years",
        "sex": "ALL",
        "summary": "14 Years to 15 Years"
      },
      "enrollment_count": 520,
      "start_date": "2022-04-04",
      "completion_date": "2026-02-28",
      "has_results": false,
      "last_update_posted_date": "2026-10-06",
      "last_synced_at": "2026-10-27T20:20:57.988Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05396911"
    },
    {
      "nct_id": "NCT01862809",
      "title": "Cigarette Smoking and Oral Microbiota",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Microbiota",
        "Lung Cancer",
        "Oral Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "25 Years to 80 Years"
      },
      "enrollment_count": 50,
      "start_date": "2013-05-23",
      "completion_date": "2020-06-26",
      "has_results": false,
      "last_update_posted_date": "2020-06-30",
      "last_synced_at": "2026-10-27T20:20:57.988Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01862809"
    },
    {
      "nct_id": "NCT01928758",
      "title": "Reduced Nicotine Cigarettes in Smokers With Mood and Anxiety Disorders",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Dependence"
      ],
      "interventions": [
        {
          "name": "Reduced Nicotine Content Cigarettes",
          "type": "DRUG"
        },
        {
          "name": "Usual Nicotine Content Cigarettes",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Milton S. Hershey Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 245,
      "start_date": "2015-09",
      "completion_date": "2018-03-23",
      "has_results": true,
      "last_update_posted_date": "2019-06-28",
      "last_synced_at": "2026-10-27T20:20:57.988Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts • Hershey, Pennsylvania",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Hershey",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01928758"
    },
    {
      "nct_id": "NCT05985538",
      "title": "Impact of E-Cigarette Prevention Messages on Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaping Behavior"
      ],
      "interventions": [
        {
          "name": "Vaping prevention text messages",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Wellness behaviors text messages",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "UNC Lineberger Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "20 Years",
        "sex": "ALL",
        "summary": "13 Years to 20 Years"
      },
      "enrollment_count": 480,
      "start_date": "2024-02-05",
      "completion_date": "2024-08-12",
      "has_results": true,
      "last_update_posted_date": "2026-10-06",
      "last_synced_at": "2026-10-27T20:20:57.988Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05985538"
    },
    {
      "nct_id": "NCT04340947",
      "title": "Cigarette Smoking Among Young Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking",
        "Smoking Behaviors"
      ],
      "interventions": [
        {
          "name": "Very low nicotine cigarette: menthol",
          "type": "OTHER"
        },
        {
          "name": "Very low nicotine cigarette: non-mentol",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Oklahoma",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "34 Years",
        "sex": "ALL",
        "summary": "18 Years to 34 Years"
      },
      "enrollment_count": 171,
      "start_date": "2021-08-01",
      "completion_date": "2024-04-30",
      "has_results": true,
      "last_update_posted_date": "2025-08-22",
      "last_synced_at": "2026-10-27T20:20:57.988Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04340947"
    }
  ]
}