{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Smoking+Cigarette&page=6",
    "query": {
      "condition": "Smoking Cigarette",
      "page": 6
    },
    "page_size": 10
  },
  "pagination": {
    "page": 6,
    "page_size": 10,
    "total_count": 798,
    "total_pages": 80,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Smoking+Cigarette&page=7&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Smoking+Cigarette&page=5&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-15T12:13:35.126Z",
  "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": "NCT00264342",
      "title": "Effectiveness of Using Reduced Nicotine Cigarettes in Men and Women Smokers to Combat Nicotine Addiction",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Nicotine Dependence",
        "Tobacco Use Disorder"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of California, San Francisco",
      "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": 135,
      "start_date": "2005-07",
      "completion_date": "2010-07",
      "has_results": false,
      "last_update_posted_date": "2013-05-23",
      "last_synced_at": "2026-11-15T12:13:35.126Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00264342"
    },
    {
      "nct_id": "NCT05370313",
      "title": "The Impact of Innovative Tax Proposals on Purchase Patterns",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "Market Price Condition (control)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Tobacco Parity Tax Condition",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Nicotine-Content Tax Condition",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Harm-Reduction Tax Condition",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Modified Risk Tobacco Product (MRTP) Tax Condition",
          "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": 285,
      "start_date": "2023-04-11",
      "completion_date": "2025-06-10",
      "has_results": false,
      "last_update_posted_date": "2025-09-18",
      "last_synced_at": "2026-11-15T12:13:35.126Z",
      "location_count": 2,
      "location_summary": "Buffalo, New York • Roanoke, Virginia",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        },
        {
          "city": "Roanoke",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05370313"
    },
    {
      "nct_id": "NCT04107779",
      "title": "Changes in Biomarkers of Cigarette Smoke Exposure After Switching Either Exclusively or Partly to JUUL ENDS",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Electronic Cigarette Use",
        "Cigarette Use, Electronic",
        "Tobacco Use",
        "Tobacco Smoking"
      ],
      "interventions": [
        {
          "name": "Switch from UB of Combustible Cigarette to JUUL 5% Virginia Tobacco ENDS",
          "type": "OTHER"
        },
        {
          "name": "Switch from UB of Combustible Cigarette to JUUL 3% Virginia Tobacco ENDS",
          "type": "OTHER"
        },
        {
          "name": "Switch from UB of Combustible Cigarette to JUUL 5% Mint ENDS",
          "type": "OTHER"
        },
        {
          "name": "Switch from UB of Combustible Cigarette to JUUL 3% Mint ENDS",
          "type": "OTHER"
        },
        {
          "name": "Switch from UB of Combustible Cigarette to JUUL 5% Menthol ENDS",
          "type": "OTHER"
        },
        {
          "name": "Switch from UB of Combustible Cigarette to JUUL 3% Menthol ENDS",
          "type": "OTHER"
        },
        {
          "name": "Switch from UB of Combustible Cigarette to JUUL 5% Mango ENDS",
          "type": "OTHER"
        },
        {
          "name": "Switch from UB of Combustible Cigarette to JUUL 3% Mango ENDS",
          "type": "OTHER"
        },
        {
          "name": "Switch to Dual-use of JUUL 5% and UB of Combustible Cigarette",
          "type": "OTHER"
        },
        {
          "name": "Tobacco/Nicotine Abstention",
          "type": "OTHER"
        },
        {
          "name": "Usual Brand of cigarettes",
          "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": 279,
      "start_date": "2019-09-17",
      "completion_date": "2020-06-24",
      "has_results": false,
      "last_update_posted_date": "2020-07-28",
      "last_synced_at": "2026-11-15T12:13:35.126Z",
      "location_count": 5,
      "location_summary": "Little Rock, Arkansas • Rogers, Arkansas • St Louis, Missouri + 2 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Rogers",
          "state": "Arkansas"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Dayton",
          "state": "Ohio"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04107779"
    },
    {
      "nct_id": "NCT07934875",
      "title": "Understanding Vape Counter-Marketing Study",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "E-Cigarette Use",
        "E-cigarette Use/Vaping Prevention",
        "Vaping Teens",
        "Vaping",
        "Adolescent Behavior",
        "Nicotine",
        "Tobacco"
      ],
      "interventions": [
        {
          "name": "Influencer Intervention Videos",
          "type": "OTHER"
        },
        {
          "name": "Public Domain Messaging Videos",
          "type": "OTHER"
        },
        {
          "name": "Influencer Control Videos",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Boston Children's Hospital",
      "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": 2556,
      "start_date": "2026-11-15",
      "completion_date": "2027-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-11-13",
      "last_synced_at": "2026-11-15T12:13:35.126Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07934875"
    },
    {
      "nct_id": "NCT00386945",
      "title": "Tobacco Cessation Via Doctors of Chiropractic",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use Cessation"
      ],
      "interventions": [
        {
          "name": "Brief counseling (Ask, Advise, Arrange)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Oregon Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 201,
      "start_date": "2006-05",
      "completion_date": "2008-05",
      "has_results": false,
      "last_update_posted_date": "2011-10-26",
      "last_synced_at": "2026-11-15T12:13:35.126Z",
      "location_count": 1,
      "location_summary": "Eugene, Oregon",
      "locations": [
        {
          "city": "Eugene",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00386945"
    },
    {
      "nct_id": "NCT01967719",
      "title": "Nicotine Pharmacokinetic Profile and Safety of the Tobacco Heating System 2.2 Menthol (THS 2.2 Menthol)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking"
      ],
      "interventions": [
        {
          "name": "mTHS 2.2",
          "type": "OTHER"
        },
        {
          "name": "mCC",
          "type": "OTHER"
        },
        {
          "name": "NNS",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Philip Morris Products S.A.",
      "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": 64,
      "start_date": "2013-10",
      "completion_date": "2014-05",
      "has_results": true,
      "last_update_posted_date": "2020-03-18",
      "last_synced_at": "2026-11-15T12:13:35.126Z",
      "location_count": 1,
      "location_summary": "Lexington, Kentucky",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01967719"
    },
    {
      "nct_id": "NCT06477601",
      "title": "Cooling Agent Pilot Among Adult Menthol Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Dependence"
      ],
      "interventions": [
        {
          "name": "Assigning cooling agent type cigarettes",
          "type": "OTHER"
        },
        {
          "name": "Assigning traditional tobacco type cigarettes",
          "type": "OTHER"
        },
        {
          "name": "Assigning menthol type cigarettes",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Kansas 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": 21,
      "start_date": "2024-06-24",
      "completion_date": "2024-10-01",
      "has_results": false,
      "last_update_posted_date": "2025-04-06",
      "last_synced_at": "2026-11-15T12:13:35.126Z",
      "location_count": 1,
      "location_summary": "Kansas City, Missouri",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06477601"
    },
    {
      "nct_id": "NCT04450537",
      "title": "PACE Vape Messaging Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaping",
        "E-cigarette Use",
        "Electronic Cigarette Use"
      ],
      "interventions": [
        {
          "name": "Vape Messaging Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Vermont",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "24 Years",
        "sex": "ALL",
        "summary": "18 Years to 24 Years"
      },
      "enrollment_count": 569,
      "start_date": "2020-06-23",
      "completion_date": "2020-09-30",
      "has_results": false,
      "last_update_posted_date": "2020-11-03",
      "last_synced_at": "2026-11-15T12:13:35.126Z",
      "location_count": 1,
      "location_summary": "Burlington, Vermont",
      "locations": [
        {
          "city": "Burlington",
          "state": "Vermont"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04450537"
    },
    {
      "nct_id": "NCT02665208",
      "title": "A Pilot Text Messaging Intervention to Reduce Smoking in Office-based Buprenorphine and Inpatient Detoxification Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Treatment As Usual (TAU)",
          "type": "OTHER"
        },
        {
          "name": "Nicotine Replacement Therapies",
          "type": "DRUG"
        },
        {
          "name": "Text Message Intervention (TMI)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 203,
      "start_date": "2015-03",
      "completion_date": "2017-09",
      "has_results": false,
      "last_update_posted_date": "2017-12-06",
      "last_synced_at": "2026-11-15T12:13:35.126Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02665208"
    },
    {
      "nct_id": "NCT01031693",
      "title": "Pilot Study of Transcranial Magnetic Stimulation (TMS) in Nicotine Addiction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "Transcranial Magnetic Stimulation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "National Institute on Drug Abuse (NIDA)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 75,
      "start_date": "2009-07-13",
      "completion_date": "2013-08-28",
      "has_results": false,
      "last_update_posted_date": "2018-04-05",
      "last_synced_at": "2026-11-15T12:13:35.126Z",
      "location_count": 2,
      "location_summary": "Baltimore, Maryland • Catonsville, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Catonsville",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01031693"
    }
  ]
}