{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cigarette+Smokers&page=2",
    "query": {
      "condition": "Cigarette Smokers",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cigarette+Smokers&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-06-26T03:56:21.239Z",
  "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": "NCT05110716",
      "title": "Effects of Choice Bundling on Valuation of Delayed Gains and Losses in Cigarette Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "Bundle-size 1",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Bundle-size 3",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Bundle-size 9",
          "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": 308,
      "start_date": "2021-07-26",
      "completion_date": "2021-08-12",
      "has_results": false,
      "last_update_posted_date": "2025-01-24",
      "last_synced_at": "2026-06-26T03:56:21.239Z",
      "location_count": 1,
      "location_summary": "Roanoke, Virginia",
      "locations": [
        {
          "city": "Roanoke",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05110716"
    },
    {
      "nct_id": "NCT00448617",
      "title": "Cigarette Smoke and Susceptibility to Influenza Infection",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 138,
      "start_date": "2006-07",
      "completion_date": "2011-09",
      "has_results": false,
      "last_update_posted_date": "2015-05-29",
      "last_synced_at": "2026-06-26T03:56:21.239Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00448617"
    },
    {
      "nct_id": "NCT02488889",
      "title": "Effects of Varenicline in Heavy Drinking Smokers",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Cigarette Smoking",
        "Alcohol Consumption"
      ],
      "interventions": [
        {
          "name": "Varenicline",
          "type": "DRUG"
        },
        {
          "name": "Placebo pill (for varenicline)",
          "type": "DRUG"
        },
        {
          "name": "Alcohol",
          "type": "DRUG"
        },
        {
          "name": "placebo beverage (for alcohol)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "21 Years to 55 Years"
      },
      "enrollment_count": 0,
      "start_date": "2015-08",
      "completion_date": "2016-07-17",
      "has_results": false,
      "last_update_posted_date": "2018-06-01",
      "last_synced_at": "2026-06-26T03:56:21.239Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02488889"
    },
    {
      "nct_id": "NCT01337830",
      "title": "Pilot Study to Evaluate the Safety and Efficacy of Ariva® Silver Wintergreen in Reducing Cigarette Craving in Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Tobacco Use Disorder",
        "Smoking"
      ],
      "interventions": [
        {
          "name": "Ariva® Silver Wintergreen",
          "type": "OTHER"
        },
        {
          "name": "Silver Wintergreen",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Star Scientific, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "23 Years",
        "maximum_age": "72 Years",
        "sex": "ALL",
        "summary": "23 Years to 72 Years"
      },
      "enrollment_count": 111,
      "start_date": "2010-10",
      "completion_date": "2010-10",
      "has_results": false,
      "last_update_posted_date": "2014-10-24",
      "last_synced_at": "2026-06-26T03:56:21.239Z",
      "location_count": 1,
      "location_summary": "Martinsburg, West Virginia",
      "locations": [
        {
          "city": "Martinsburg",
          "state": "West Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01337830"
    },
    {
      "nct_id": "NCT02587312",
      "title": "Evaluation of Very Low Nicotine Content Cigarettes in Adolescent Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "Very low nicotine content cigarettes",
          "type": "OTHER"
        },
        {
          "name": "Standard nicotine content cigarettes",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Brown University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "19 Years",
        "sex": "ALL",
        "summary": "15 Years to 19 Years"
      },
      "enrollment_count": 70,
      "start_date": "2016-10-13",
      "completion_date": "2019-08-31",
      "has_results": false,
      "last_update_posted_date": "2022-10-27",
      "last_synced_at": "2026-06-26T03:56:21.239Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02587312"
    },
    {
      "nct_id": "NCT03580460",
      "title": "Cultural Adaptation and Piloting of a Smoking Cessation Intervention for Smokers With HIV",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hiv",
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "Computer delivered smoking cessation counseling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 40,
      "start_date": "2018-04-04",
      "completion_date": "2018-09-01",
      "has_results": false,
      "last_update_posted_date": "2019-11-26",
      "last_synced_at": "2026-06-26T03:56:21.239Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03580460"
    },
    {
      "nct_id": "NCT04009590",
      "title": "Quit4Health Intervention in Supporting Smoking Cessation and Preventing Smoking Initiation in Young Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking",
        "Current Smoker"
      ],
      "interventions": [
        {
          "name": "Educational Intervention",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Smoking Cessation Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 579,
      "start_date": "2018-12-10",
      "completion_date": "2021-01-19",
      "has_results": false,
      "last_update_posted_date": "2021-01-22",
      "last_synced_at": "2026-06-26T03:56:21.239Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04009590"
    },
    {
      "nct_id": "NCT03382093",
      "title": "Personalized Feedback for Smokers With Elevated Anxiety Sensitivity",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anxiety Disorders",
        "Anxiety",
        "Tobacco Dependence",
        "Smoking, Cigarette",
        "Smoking, Tobacco"
      ],
      "interventions": [
        {
          "name": "Personalized Feedback Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Smoking Information Control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Houston",
      "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": 95,
      "start_date": "2017-08-23",
      "completion_date": "2019-06-01",
      "has_results": false,
      "last_update_posted_date": "2019-06-19",
      "last_synced_at": "2026-06-26T03:56:21.239Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03382093"
    },
    {
      "nct_id": "NCT05102786",
      "title": "CSD210904: Study to Assess Actual Use of a Heated Tobacco Product With Four Non-Combusted Cigarette Variants in Current Adult Smokers",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Smoking",
        "Tobacco Use",
        "Tobacco Smoking"
      ],
      "interventions": [
        {
          "name": "40007388",
          "type": "OTHER"
        },
        {
          "name": "40007385",
          "type": "OTHER"
        },
        {
          "name": "40007387",
          "type": "OTHER"
        },
        {
          "name": "40007386",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "RAI Services Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "21 Years to 60 Years"
      },
      "enrollment_count": 1180,
      "start_date": "2021-10-26",
      "completion_date": "2022-03-08",
      "has_results": false,
      "last_update_posted_date": "2022-06-24",
      "last_synced_at": "2026-06-26T03:56:21.239Z",
      "location_count": 10,
      "location_summary": "Atlanta, Georgia • Chicago, Illinois • Baltimore, Maryland + 7 more",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Edina",
          "state": "Minnesota"
        },
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05102786"
    },
    {
      "nct_id": "NCT02069483",
      "title": "Testing Methods of Self-persuasion Involving Cigarette Smoking",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking"
      ],
      "interventions": [
        {
          "name": "Motivational Interviewing",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Tailored Feedback",
          "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": 48,
      "start_date": "2014-04",
      "completion_date": "2014-09",
      "has_results": false,
      "last_update_posted_date": "2014-09-26",
      "last_synced_at": "2026-06-26T03:56:21.239Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02069483"
    }
  ]
}