{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Cigarettes&page=13",
    "query": {
      "intervention": "Cigarettes",
      "page": 13
    },
    "page_size": 10
  },
  "pagination": {
    "page": 13,
    "page_size": 10,
    "total_count": 1028,
    "total_pages": 103,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Cigarettes&page=14&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Cigarettes&page=12&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-20T12:21:05.642Z",
  "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": "NCT03083353",
      "title": "Isradipine Enhancement of Virtual Reality Cue Exposure for Smoking Cessation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Nicotine Dependence",
        "Smoking, Cigarette",
        "Smoking Cessation",
        "Smoking Behaviors",
        "Smoking Reduction",
        "Craving"
      ],
      "interventions": [
        {
          "name": "Isradipine",
          "type": "DRUG"
        },
        {
          "name": "Cue Exposure",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Jasper A. Smits",
      "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": 78,
      "start_date": "2020-01-22",
      "completion_date": "2023-06-14",
      "has_results": true,
      "last_update_posted_date": "2026-06-15",
      "last_synced_at": "2026-10-20T12:21:05.642Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03083353"
    },
    {
      "nct_id": "NCT03943706",
      "title": "E-Cigarette and Cigarette Nicotine Delivery and Abuse Liability in Cigarette Smokers and Dual Users",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Tobacco Use"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Oklahoma",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 0,
      "start_date": "2019-06-01",
      "completion_date": "2019-12-01",
      "has_results": false,
      "last_update_posted_date": "2020-12-19",
      "last_synced_at": "2026-10-20T12:21:05.642Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03943706"
    },
    {
      "nct_id": "NCT02840435",
      "title": "Study on Sit to Quit Phone Intervention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "Sit to Quit",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Quit for Life",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 23,
      "start_date": "2016-09",
      "completion_date": "2018-06",
      "has_results": false,
      "last_update_posted_date": "2019-09-13",
      "last_synced_at": "2026-10-20T12:21:05.642Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02840435"
    },
    {
      "nct_id": "NCT01400815",
      "title": "Randomized Trial to Evaluate the Effectiveness of X-22 as a Smoking Cessation Aid",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "X-22 Smoking Cessation Product",
          "type": "DRUG"
        },
        {
          "name": "Active Control Cigarettes",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "22nd Century Limited, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 234,
      "start_date": "2011-07",
      "completion_date": "2012-12",
      "has_results": true,
      "last_update_posted_date": "2021-11-19",
      "last_synced_at": "2026-10-20T12:21:05.642Z",
      "location_count": 3,
      "location_summary": "Sacramento, California • Metairie, Louisiana • Austin, Texas",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Metairie",
          "state": "Louisiana"
        },
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01400815"
    },
    {
      "nct_id": "NCT07167225",
      "title": "Carcinogen and Toxicant Exposure Among Young Adults Who Co-Use Cigarettes, E-cigarettes and Cannabis (Co-Tox Study)",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cigarette Smoking-Related Carcinoma",
        "E-Cig Use"
      ],
      "interventions": [
        {
          "name": "Effectiveness of different recruitment approaches",
          "type": "OTHER"
        },
        {
          "name": "Choice of study completion locations",
          "type": "OTHER"
        },
        {
          "name": "Cannabis Engagement Assessment",
          "type": "OTHER"
        },
        {
          "name": "E-cigarette dependence Scale",
          "type": "OTHER"
        },
        {
          "name": "Nicotine dependence Scale",
          "type": "OTHER"
        },
        {
          "name": "Co use practices QUestionnaire",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Roswell Park Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "18 Years to 25 Years"
      },
      "enrollment_count": 150,
      "start_date": "2025-04-03",
      "completion_date": "2028-10-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-26",
      "last_synced_at": "2026-10-20T12:21:05.642Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07167225"
    },
    {
      "nct_id": "NCT05869318",
      "title": "Respiratory Effects of E-Cigarettes in Obese Youth",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "E-Cig Use"
      ],
      "interventions": [
        {
          "name": "ECIG own",
          "type": "OTHER"
        },
        {
          "name": "ECIG Vuse",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "21 Years to 25 Years"
      },
      "enrollment_count": 56,
      "start_date": "2023-04-04",
      "completion_date": "2025-06-24",
      "has_results": false,
      "last_update_posted_date": "2026-09-09",
      "last_synced_at": "2026-10-20T12:21:05.642Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05869318"
    },
    {
      "nct_id": "NCT00879918",
      "title": "Pharmacogenetics of Nicotine Metabolism in African-Americans",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "Deuterated nicotine and cotinine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Francisco",
      "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": 70,
      "start_date": "2008-12",
      "completion_date": "2012-03",
      "has_results": false,
      "last_update_posted_date": "2013-05-24",
      "last_synced_at": "2026-10-20T12:21:05.642Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00879918"
    },
    {
      "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": "2026-10-20T12:21:05.642Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03815591"
    },
    {
      "nct_id": "NCT06598397",
      "title": "Using Multiphase Optimization Strategy (MOST) to Optimize a Cost-effective, Sustainable and Scalable Smoking Cessation Package for Smokers in HIV Clinical Care",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Human Immunodeficiency Virus (HIV)",
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Motivational Interviewing (MI) Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Peer Mentoring",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Skills-based Text Messaging",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Combination NRT",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "New York University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 500,
      "start_date": "2024-10-18",
      "completion_date": "2028-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-04-13",
      "last_synced_at": "2026-10-20T12:21:05.642Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06598397"
    },
    {
      "nct_id": "NCT02585791",
      "title": "Evaluation of Acute and Subacute Effects of Nicotine Free Electronic Cigarette(NCFE) Vapors",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy Lifetime Non-smokers"
      ],
      "interventions": [
        {
          "name": "Propylene Glycol",
          "type": "OTHER"
        },
        {
          "name": "vegetable glycerin",
          "type": "OTHER"
        },
        {
          "name": "PG+VG",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Miami",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2017-02-22",
      "completion_date": "2019-12-11",
      "has_results": false,
      "last_update_posted_date": "2020-01-14",
      "last_synced_at": "2026-10-20T12:21:05.642Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02585791"
    }
  ]
}