{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Cigarette+Smoking",
    "query": {
      "intervention": "Cigarette Smoking"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 684,
    "total_pages": 69,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Cigarette+Smoking&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-06T04:47:39.982Z",
  "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": "NCT02487953",
      "title": "Electronic Nicotine Delivery Systems as a Smoking Cessation Treatment",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "Nicotine patch",
          "type": "DRUG"
        },
        {
          "name": "ENDS",
          "type": "OTHER"
        },
        {
          "name": "Placebo patch",
          "type": "OTHER"
        },
        {
          "name": "Placebo ENDS",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 0,
      "start_date": "2018-07",
      "completion_date": "2022-01",
      "has_results": false,
      "last_update_posted_date": "2018-09-12",
      "last_synced_at": "2026-09-06T04:47:39.982Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02487953"
    },
    {
      "nct_id": "NCT01056926",
      "title": "Neurobiology of Nicotine and Non-nicotine Components of Tobacco Addiction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Smoking"
      ],
      "interventions": [
        {
          "name": "Quit smoking",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Nicotine patch",
          "type": "DRUG"
        },
        {
          "name": "Placebo Patch",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 147,
      "start_date": "2009-03",
      "completion_date": "2011-11",
      "has_results": false,
      "last_update_posted_date": "2017-01-31",
      "last_synced_at": "2026-09-06T04:47:39.982Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01056926"
    },
    {
      "nct_id": "NCT00086411",
      "title": "Comparing Smoking Treatment Programs for Lighter Smokers - 1",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Tobacco Use Disorder"
      ],
      "interventions": [
        {
          "name": "nicotine transdermal system",
          "type": "DRUG"
        },
        {
          "name": "bupropion",
          "type": "DRUG"
        },
        {
          "name": "Medication Management",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Mayo Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "placebo patch",
          "type": "DRUG"
        },
        {
          "name": "placebo bupropion",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 260,
      "start_date": "2003-09",
      "completion_date": "2009-06",
      "has_results": true,
      "last_update_posted_date": "2019-08-06",
      "last_synced_at": "2026-09-06T04:47:39.982Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00086411"
    },
    {
      "nct_id": "NCT01299896",
      "title": "Connect to Quit for Smoking",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking",
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Coordinated Care",
          "type": "OTHER"
        },
        {
          "name": "Usual Care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 633,
      "start_date": "2011-03",
      "completion_date": "2015-02",
      "has_results": true,
      "last_update_posted_date": "2016-03-22",
      "last_synced_at": "2026-09-06T04:47:39.982Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01299896"
    },
    {
      "nct_id": "NCT05320887",
      "title": "Cigarette and E-cigarette Nicotine Content in an Electronic Tobacco Marketplace (ETM)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use"
      ],
      "interventions": [
        {
          "name": "Normal Nicotine Content Vape with all flavor e-liquids",
          "type": "OTHER"
        },
        {
          "name": "Normal nicotine content vape with tobacco e-liquids",
          "type": "OTHER"
        },
        {
          "name": "Low nicotine content vape with all flavor e-liquids",
          "type": "OTHER"
        },
        {
          "name": "Low nicotine content vape with tobacco e-liquids",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 69,
      "start_date": "2022-07-27",
      "completion_date": "2023-08-06",
      "has_results": true,
      "last_update_posted_date": "2024-10-09",
      "last_synced_at": "2026-09-06T04:47:39.982Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05320887"
    },
    {
      "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": "2026-09-06T04:47:39.982Z",
      "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": "NCT05487625",
      "title": "Effects of Narratives on Demand for Low and High Ventilated Cigarettes and Substitution for Alternative Products",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "High-ventilated cigarette alone",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Low-ventilated cigarette alone",
          "type": "BEHAVIORAL"
        },
        {
          "name": "High- and low-ventilated cigarette with high-ventilated cigarettes increasing in price",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Low- and high-ventilated cigarette with high-ventilated cigarettes increasing in price",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Usual, high- and low-ventilated cigarette with usual cigarettes increasing in 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": 89,
      "start_date": "2022-08-08",
      "completion_date": "2024-03-26",
      "has_results": true,
      "last_update_posted_date": "2025-07-02",
      "last_synced_at": "2026-09-06T04:47:39.982Z",
      "location_count": 1,
      "location_summary": "Roanoke, Virginia",
      "locations": [
        {
          "city": "Roanoke",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05487625"
    },
    {
      "nct_id": "NCT00877513",
      "title": "Insulin Resistance in Smokers Undergoing Smoking Cessation",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiovascular Disease",
        "Insulin Resistance"
      ],
      "interventions": [
        {
          "name": "Smoking cessation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Charles Drew University of Medicine and Science",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "25 Years to 70 Years"
      },
      "enrollment_count": 103,
      "start_date": "2009-02",
      "completion_date": "2013-12",
      "has_results": false,
      "last_update_posted_date": "2014-02-11",
      "last_synced_at": "2026-09-06T04:47:39.982Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00877513"
    },
    {
      "nct_id": "NCT05703672",
      "title": "Switching to E-cigarettes in Smokers Not Interested in Quitting",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Smoking Reduction"
      ],
      "interventions": [
        {
          "name": "Varenicline Tartrate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Electronic cigarette",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "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": 500,
      "start_date": "2023-07-17",
      "completion_date": "2027-02-28",
      "has_results": false,
      "last_update_posted_date": "2025-12-29",
      "last_synced_at": "2026-09-06T04:47:39.982Z",
      "location_count": 2,
      "location_summary": "Kansas City, Missouri",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Missouri"
        },
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05703672"
    },
    {
      "nct_id": "NCT00823927",
      "title": "Alveolar Macrophage Proteomics in HIV-associated Emphysema",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "HIV",
        "Emphysema",
        "HIV Infections"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Philip Diaz",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 365,
      "start_date": "2006-04-21",
      "completion_date": "2008-06-23",
      "has_results": false,
      "last_update_posted_date": "2021-11-01",
      "last_synced_at": "2026-09-06T04:47:39.982Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00823927"
    }
  ]
}