{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Smoking+Cigarette&page=5",
    "query": {
      "condition": "Smoking Cigarette",
      "page": 5
    },
    "page_size": 10
  },
  "pagination": {
    "page": 5,
    "page_size": 10,
    "total_count": 798,
    "total_pages": 80,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Smoking+Cigarette&page=6&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Smoking+Cigarette&page=4&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-15T12:04:35.489Z",
  "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": "NCT00061789",
      "title": "Imaging of Brain Receptors in Healthy Volunteers and in Patients With Schizophrenia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Schizophrenia"
      ],
      "interventions": [
        {
          "name": "SPECT Imaging of Nicotinic Acetylcholine Receptors in Brain",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Mental Health (NIMH)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 100,
      "start_date": "2003-02",
      "completion_date": "2004-08",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-11-15T12:04:35.489Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00061789"
    },
    {
      "nct_id": "NCT02785484",
      "title": "Impact of Cigarette Pack Constituent Disclosures",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking Behavior"
      ],
      "interventions": [
        {
          "name": "Label with constituent disclosure message",
          "type": "OTHER"
        },
        {
          "name": "Label with litter message",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 784,
      "start_date": "2016-09",
      "completion_date": "2017-03",
      "has_results": false,
      "last_update_posted_date": "2017-06-08",
      "last_synced_at": "2026-11-15T12:04:35.489Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02785484"
    },
    {
      "nct_id": "NCT01885052",
      "title": "Evaluation of National Cancer Institute Young Adult Stop-Smoking Program",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Smoking",
        "Smoking Cessation",
        "Cigarette Smoking",
        "Tobacco, Smoking"
      ],
      "interventions": [
        {
          "name": "QuitTXT Study",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Low Contact",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "29 Years",
        "sex": "ALL",
        "summary": "18 Years to 29 Years"
      },
      "enrollment_count": 4432,
      "start_date": "2013-06-12",
      "completion_date": "2015-05-28",
      "has_results": false,
      "last_update_posted_date": "2019-12-09",
      "last_synced_at": "2026-11-15T12:04:35.489Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01885052"
    },
    {
      "nct_id": "NCT06077240",
      "title": "Effects of E-cigs vs Pouches on Cigarette Smoking and Addiction",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking",
        "Smoking Behaviors",
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "E-cigarette with 2.4% Nicotine with Menthol and Tobacco Flavors",
          "type": "BEHAVIORAL"
        },
        {
          "name": "E-cigarette with 2.4% Nicotine with Tobacco Flavor Only",
          "type": "BEHAVIORAL"
        },
        {
          "name": "E-cigarette with 5% Nicotine with Menthol and Tobacco Flavors",
          "type": "BEHAVIORAL"
        },
        {
          "name": "E-cigarette with 5% Nicotine with Tobacco Flavor Only",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Tobacco Pouches with 3mg Nicotine with Menthol and Tobacco Flavors",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Tobacco Pouches with 3mg Nicotine with Tobacco Flavor Only",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Tobacco Pouches with 6mg Nicotine with Menthol and Tobacco Flavors",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Tobacco Pouches with 6mg Nicotine with Tobacco Flavor Only",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 256,
      "start_date": "2024-08-20",
      "completion_date": "2028-04-01",
      "has_results": false,
      "last_update_posted_date": "2026-03-19",
      "last_synced_at": "2026-11-15T12:04:35.489Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06077240"
    },
    {
      "nct_id": "NCT02781090",
      "title": "RCT of an Internet Cessation Program Plus Online Social Network for HIV+ Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use Disorder",
        "HIV"
      ],
      "interventions": [
        {
          "name": "PSFW+",
          "type": "BEHAVIORAL"
        },
        {
          "name": "AHA",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Nicotine polacrilex",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "Montefiore 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": 512,
      "start_date": "2016-07-06",
      "completion_date": "2020-09-14",
      "has_results": true,
      "last_update_posted_date": "2023-08-04",
      "last_synced_at": "2026-11-15T12:04:35.489Z",
      "location_count": 2,
      "location_summary": "Baltimore, Maryland • The Bronx, New York",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02781090"
    },
    {
      "nct_id": "NCT02058784",
      "title": "Study to Evaluate the Food Effect of Single-dose Bioavailability of Pracinostat in Healthy Adult Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Healthy Volunteers",
        "Moderate to Heavy Smokers",
        "Non-smokers"
      ],
      "interventions": [
        {
          "name": "pracinostat",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Helsinn Healthcare SA",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 28,
      "start_date": "2014-02",
      "completion_date": "2014-03",
      "has_results": false,
      "last_update_posted_date": "2017-02-23",
      "last_synced_at": "2026-11-15T12:04:35.489Z",
      "location_count": 1,
      "location_summary": "Tempe, Arizona",
      "locations": [
        {
          "city": "Tempe",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02058784"
    },
    {
      "nct_id": "NCT07840118",
      "title": "Smartphone-based Incentives Intervention to Increase Smoking Cessation During Pregnancy",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking During Pregnancy and Postpartum",
        "Perinatal Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "Best Practices",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Financial Incentives",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Vermont",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 137,
      "start_date": "2026-09",
      "completion_date": "2028-05",
      "has_results": false,
      "last_update_posted_date": "2026-09-24",
      "last_synced_at": "2026-11-15T12:04:35.489Z",
      "location_count": 1,
      "location_summary": "Burlington, Vermont",
      "locations": [
        {
          "city": "Burlington",
          "state": "Vermont"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07840118"
    },
    {
      "nct_id": "NCT03491059",
      "title": "Feasibility of PET/CT to Detect the Oral/Pulmonary Distribution of Nicotine Following E-cigarette Use",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "E-cigarette Use"
      ],
      "interventions": [
        {
          "name": "C-11 labeled nicotine",
          "type": "DRUG"
        },
        {
          "name": "PET/CT imaging",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "University of Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 2,
      "start_date": "2018-02-16",
      "completion_date": "2025-02-16",
      "has_results": false,
      "last_update_posted_date": "2024-01-18",
      "last_synced_at": "2026-11-15T12:04:35.489Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03491059"
    },
    {
      "nct_id": "NCT07604246",
      "title": "Evaluating the Effect of Nicotine on Eye Movements and Related Behaviors in Electronic Cigarette Users, NICS-EYES Trial",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking-Related Carcinoma"
      ],
      "interventions": [
        {
          "name": "Avoidance",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Cigarette Smoking",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Eye Movement Measurement",
          "type": "PROCEDURE"
        },
        {
          "name": "Healthcare Activity",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Refrain from Smoking",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Vaping",
          "type": "OTHER"
        },
        {
          "name": "Standardized E-Cigarette Nicotine Administration",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "PROCEDURE",
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "21 Years to 50 Years"
      },
      "enrollment_count": 25,
      "start_date": "2026-08-17",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-10-05",
      "last_synced_at": "2026-11-15T12:04:35.489Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07604246"
    },
    {
      "nct_id": "NCT05227027",
      "title": "Pilot Trial of a Game Embedded in a Smartphone App for Smoking Cessation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking-Related Carcinoma"
      ],
      "interventions": [
        {
          "name": "Game Module",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Smoke Free smartphone application",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 500,
      "start_date": "2022-02-09",
      "completion_date": "2022-05-31",
      "has_results": true,
      "last_update_posted_date": "2024-01-03",
      "last_synced_at": "2026-11-15T12:04:35.489Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05227027"
    }
  ]
}