{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cigarette+Use&page=20",
    "query": {
      "condition": "Cigarette Use",
      "page": 20
    },
    "page_size": 10
  },
  "pagination": {
    "page": 20,
    "page_size": 10,
    "total_count": 690,
    "total_pages": 69,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cigarette+Use&page=21&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cigarette+Use&page=19&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-28T20:31:29.860Z",
  "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": "NCT00722124",
      "title": "S-Adenosyl-L-Methionine (SAMe) for Smoking Abstinence",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Tobacco Dependence"
      ],
      "interventions": [
        {
          "name": "S-Adenosyl-L-Methionine",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2008-09",
      "completion_date": "2010-06",
      "has_results": true,
      "last_update_posted_date": "2011-09-09",
      "last_synced_at": "2026-10-28T20:31:29.860Z",
      "location_count": 2,
      "location_summary": "Rochester, Minnesota • La Crosse, Wisconsin",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "La Crosse",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00722124"
    },
    {
      "nct_id": "NCT07161050",
      "title": "Effects of a Low Nicotine Standard and Tobacco Prices on Illegal Cigarette Purchasing",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking",
        "E-cigarette Use"
      ],
      "interventions": [
        {
          "name": "Nicotine Content",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Illegal cigarette price",
          "type": "BEHAVIORAL"
        },
        {
          "name": "E-cigarette price",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Virginia Polytechnic Institute and State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 70,
      "start_date": "2025-12-01",
      "completion_date": "2026-10-07",
      "has_results": false,
      "last_update_posted_date": "2026-01-16",
      "last_synced_at": "2026-10-28T20:31:29.860Z",
      "location_count": 1,
      "location_summary": "Roanoke, Virginia",
      "locations": [
        {
          "city": "Roanoke",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07161050"
    },
    {
      "nct_id": "NCT04487470",
      "title": "Impact of Cigar Flavor in Dual Users",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use Disorder"
      ],
      "interventions": [
        {
          "name": "Flavored filtered cigars",
          "type": "OTHER"
        },
        {
          "name": "Unflavored filtered cigars",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "UConn Health",
      "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": 89,
      "start_date": "2020-06-24",
      "completion_date": "2024-11-30",
      "has_results": false,
      "last_update_posted_date": "2025-10-07",
      "last_synced_at": "2026-10-28T20:31:29.860Z",
      "location_count": 1,
      "location_summary": "Farmington, Connecticut",
      "locations": [
        {
          "city": "Farmington",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04487470"
    },
    {
      "nct_id": "NCT05112562",
      "title": "Attentional Bias Modification Training for E-cigarette Users",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "E-cigarette Use",
        "Tobacco Use Cessation"
      ],
      "interventions": [
        {
          "name": "Computerized attentional bias modification training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Placebo attention control training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Wisconsin, Milwaukee",
      "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": 50,
      "start_date": "2021-06-09",
      "completion_date": "2024-12-31",
      "has_results": false,
      "last_update_posted_date": "2022-11-04",
      "last_synced_at": "2026-10-28T20:31:29.860Z",
      "location_count": 1,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05112562"
    },
    {
      "nct_id": "NCT06264154",
      "title": "The Role of Flavor in the Substitutability of E-cigarettes for Combustible Cigarettes Among Persistent Smokers",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking",
        "Tobacco Use",
        "Cigarette Smoking",
        "E-Cig Use"
      ],
      "interventions": [
        {
          "name": "E-cigarettes",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Abramson Cancer Center at Penn Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 210,
      "start_date": "2024-08-26",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-02-19",
      "last_synced_at": "2026-10-28T20:31:29.860Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06264154"
    },
    {
      "nct_id": "NCT02367391",
      "title": "Penn State TXT2Quit Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nicotine Dependence, Cigarettes"
      ],
      "interventions": [
        {
          "name": "Motivational Text Messages",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Milton S. Hershey Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 152,
      "start_date": "2015-01",
      "completion_date": "2015-10",
      "has_results": true,
      "last_update_posted_date": "2017-06-15",
      "last_synced_at": "2026-10-28T20:31:29.860Z",
      "location_count": 1,
      "location_summary": "Hershey, Pennsylvania",
      "locations": [
        {
          "city": "Hershey",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02367391"
    },
    {
      "nct_id": "NCT07754578",
      "title": "DOSE-UP: Dose Optimization for Smoking and E-Cigarette Use Pharmacotherapy",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Dual Use of Cigarettes and E-cigarettes"
      ],
      "interventions": [
        {
          "name": "Text- and web-based support",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Nicotine Replacement Therapy (NRT, nicotine patch)",
          "type": "DRUG"
        },
        {
          "name": "Nicotine replacement therapy lozenge",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 321,
      "start_date": "2026-11-01",
      "completion_date": "2031-07-10",
      "has_results": false,
      "last_update_posted_date": "2026-10-15",
      "last_synced_at": "2026-10-28T20:31:29.860Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07754578"
    },
    {
      "nct_id": "NCT06922617",
      "title": "STEPS: Substance Use Trial of E-cigarettes or Pharmacotherapy for Smoking",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use",
        "Substance Use Disorders"
      ],
      "interventions": [
        {
          "name": "Switching to E-Cigarette",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Quitting using Medication",
          "type": "DRUG"
        },
        {
          "name": "Counseling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 240,
      "start_date": "2025-10-17",
      "completion_date": "2028-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-10-22",
      "last_synced_at": "2026-10-28T20:31:29.860Z",
      "location_count": 4,
      "location_summary": "Charleston, South Carolina • Conway, South Carolina • Greenville, South Carolina + 1 more",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        },
        {
          "city": "Conway",
          "state": "South Carolina"
        },
        {
          "city": "Greenville",
          "state": "South Carolina"
        },
        {
          "city": "Pickens",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06922617"
    },
    {
      "nct_id": "NCT04255459",
      "title": "Post-Market Surveillance of Tobacco Products",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking, Tobacco",
        "Smoking Behaviors"
      ],
      "interventions": [
        {
          "name": "Moist Snuff",
          "type": "OTHER"
        },
        {
          "name": "Camel Snus",
          "type": "OTHER"
        },
        {
          "name": "Cigarettes",
          "type": "OTHER"
        },
        {
          "name": "No tobacco usage",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "RAI Services Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 320,
      "start_date": "2010-02-13",
      "completion_date": "2010-08-14",
      "has_results": false,
      "last_update_posted_date": "2020-02-05",
      "last_synced_at": "2026-10-28T20:31:29.860Z",
      "location_count": 6,
      "location_summary": "DeLand, Florida • Miramar, Florida • Stockbridge, Georgia + 2 more",
      "locations": [
        {
          "city": "DeLand",
          "state": "Florida"
        },
        {
          "city": "Miramar",
          "state": "Florida"
        },
        {
          "city": "Stockbridge",
          "state": "Georgia"
        },
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04255459"
    },
    {
      "nct_id": "NCT00469079",
      "title": "Health Effects of SLT, Cigarette Smoking, and New Tobacco Products",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "Nicotine gum and lozenge",
          "type": "DRUG"
        },
        {
          "name": "Taboka",
          "type": "OTHER"
        },
        {
          "name": "Camel Snus",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 130,
      "start_date": "2007-01",
      "completion_date": "2009-02",
      "has_results": true,
      "last_update_posted_date": "2019-11-01",
      "last_synced_at": "2026-10-28T20:31:29.860Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00469079"
    }
  ]
}