{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Smoking+%28+Cigarette%29&page=2",
    "query": {
      "condition": "Smoking ( Cigarette)",
      "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=Smoking+%28+Cigarette%29&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-06-26T12:58:59.114Z",
  "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": "NCT01989507",
      "title": "Very Low-Nicotine Cigarettes in Smokers With SUD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "Nicotine",
          "type": "DRUG"
        },
        {
          "name": "behavioral counseling for smoking cessation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Brown University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 250,
      "start_date": "2014-04",
      "completion_date": "2021-05-31",
      "has_results": false,
      "last_update_posted_date": "2021-09-28",
      "last_synced_at": "2026-06-26T12:58:59.114Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01989507"
    },
    {
      "nct_id": "NCT04449458",
      "title": "The Positively Quit Trial for Smoking Cessation",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "Positively Me",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Positively Living",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of South Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 482,
      "start_date": "2020-06-10",
      "completion_date": "2026-07-31",
      "has_results": false,
      "last_update_posted_date": "2024-07-23",
      "last_synced_at": "2026-06-26T12:58:59.114Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04449458"
    },
    {
      "nct_id": "NCT06948058",
      "title": "Clinical Research Evaluating Smoking Cessation With E-Cigarettes and Nicotine Therapy",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation",
        "Obesity and Obesity-related Medical Conditions"
      ],
      "interventions": [
        {
          "name": "Electronic Cigarettes (EC)",
          "type": "OTHER"
        },
        {
          "name": "Nicotine replacement therapy (NRT)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Brown University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2025-04-01",
      "completion_date": "2027-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-18",
      "last_synced_at": "2026-06-26T12:58:59.114Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06948058"
    },
    {
      "nct_id": "NCT00535964",
      "title": "Evaluating the Relationship Between Tobacco Use, Anxiety Sensitivity, and Panic in Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Panic Disorder"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Arkansas, Fayetteville",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "12 Years to 17 Years"
      },
      "enrollment_count": 180,
      "start_date": "2007-06",
      "completion_date": "2009-04",
      "has_results": false,
      "last_update_posted_date": "2022-11-17",
      "last_synced_at": "2026-06-26T12:58:59.114Z",
      "location_count": 1,
      "location_summary": "Fayetteville, Arkansas",
      "locations": [
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00535964"
    },
    {
      "nct_id": "NCT04043728",
      "title": "Addressing Psychological Risk Factors Underlying Smoking Persistence in COPD Patients: The Fresh Start Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Copd",
        "Smoking Cessation",
        "Nicotine Dependence",
        "Tobacco Use",
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "Unified Protocol adapted for smoking cessation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Rush University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 18,
      "start_date": "2019-09-09",
      "completion_date": "2020-03-31",
      "has_results": true,
      "last_update_posted_date": "2021-03-17",
      "last_synced_at": "2026-06-26T12:58:59.114Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04043728"
    },
    {
      "nct_id": "NCT00816036",
      "title": "Improving the Delivery of Smoking Cessation Guidelines in Hospitalized Veterans",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "Smoking Cessation Guideline Implementation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "US Department of Veterans Affairs",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 898,
      "start_date": "2009-05",
      "completion_date": "2013-08",
      "has_results": true,
      "last_update_posted_date": "2015-04-27",
      "last_synced_at": "2026-06-26T12:58:59.114Z",
      "location_count": 4,
      "location_summary": "Denver, Colorado • Iowa City, Iowa • Minneapolis, Minnesota + 1 more",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00816036"
    },
    {
      "nct_id": "NCT04646174",
      "title": "Addressing Psychological Risk Factors Underlying Smoking Persistence in COPD Patients: The Fresh Start-II Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Copd",
        "Smoking Cessation",
        "Nicotine Dependence",
        "Tobacco Use",
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "Unified Protocol adapted for smoking cessation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "American Lung Association self-management strategies for smoking cessation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Rush University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 66,
      "start_date": "2020-12-14",
      "completion_date": "2022-12-31",
      "has_results": false,
      "last_update_posted_date": "2023-03-29",
      "last_synced_at": "2026-06-26T12:58:59.114Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04646174"
    },
    {
      "nct_id": "NCT03063047",
      "title": "CSD1603: A Crossover Study to Evaluate the Exposure to \"Tar\" and Nicotine From 100s Menthol Cigarette Products",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking"
      ],
      "interventions": [
        {
          "name": "PD21871AA",
          "type": "OTHER"
        },
        {
          "name": "PD21872AA",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "RAI Services Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 29,
      "start_date": "2017-02-06",
      "completion_date": "2017-03-13",
      "has_results": false,
      "last_update_posted_date": "2017-03-14",
      "last_synced_at": "2026-06-26T12:58:59.114Z",
      "location_count": 1,
      "location_summary": "Lakewood, Colorado",
      "locations": [
        {
          "city": "Lakewood",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03063047"
    },
    {
      "nct_id": "NCT04974580",
      "title": "Research and Innovation to Stop E-cigarette/Vaping in Young Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Nicotine Dependence",
        "E-Cig Use"
      ],
      "interventions": [
        {
          "name": "Nicotine patch",
          "type": "DRUG"
        },
        {
          "name": "Phone Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Digital Coaching",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Ohio State University",
      "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": 508,
      "start_date": "2021-07-28",
      "completion_date": "2022-12-30",
      "has_results": true,
      "last_update_posted_date": "2024-07-29",
      "last_synced_at": "2026-06-26T12:58:59.114Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04974580"
    },
    {
      "nct_id": "NCT04310735",
      "title": "Examining Brain Responses Linked to Emotion in Individuals Who Smoke Cigarettes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking, Tobacco"
      ],
      "interventions": [
        {
          "name": "Verbal smoking expectancy manipulation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Penn State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "21 Years to 55 Years"
      },
      "enrollment_count": 62,
      "start_date": "2019-10-04",
      "completion_date": "2023-11-28",
      "has_results": true,
      "last_update_posted_date": "2025-03-07",
      "last_synced_at": "2026-06-26T12:58:59.114Z",
      "location_count": 1,
      "location_summary": "University Park, Pennsylvania",
      "locations": [
        {
          "city": "University Park",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04310735"
    }
  ]
}