{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Smoking+Cigarette&page=23",
    "query": {
      "condition": "Smoking Cigarette",
      "page": 23
    },
    "page_size": 10
  },
  "pagination": {
    "page": 23,
    "page_size": 10,
    "total_count": 798,
    "total_pages": 80,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Smoking+Cigarette&page=24&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Smoking+Cigarette&page=22&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-15T19:39:18.081Z",
  "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": "NCT05076708",
      "title": "The Effects of IQOS Use on Cigarette Smoking Behaviors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Smoking",
        "Cigarette Smoking",
        "Tobacco Use"
      ],
      "interventions": [
        {
          "name": "IQOS",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Pennsylvania",
      "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": 102,
      "start_date": "2021-08-26",
      "completion_date": "2024-05-31",
      "has_results": true,
      "last_update_posted_date": "2025-02-03",
      "last_synced_at": "2026-11-15T19:39:18.081Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05076708"
    },
    {
      "nct_id": "NCT01207310",
      "title": "Pager-Assisted Smoking Cessation Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "smoking cessation counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Nicotine patch",
          "type": "DRUG"
        },
        {
          "name": "alphanumeric pager",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "University of California, San Francisco",
      "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": 224,
      "start_date": "2003-05",
      "completion_date": "2005-12",
      "has_results": false,
      "last_update_posted_date": "2017-10-31",
      "last_synced_at": "2026-11-15T19:39:18.081Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01207310"
    },
    {
      "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": "2026-11-15T19:39:18.081Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00879918"
    },
    {
      "nct_id": "NCT05881304",
      "title": "Switching Individuals in Treatment for Opioid Use Disorder Who Smoke Cigarettes to the SREC",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Electronic Cigarette Use"
      ],
      "interventions": [
        {
          "name": "Standardized research e-cigarette (SREC)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 41,
      "start_date": "2024-06-03",
      "completion_date": "2025-12-31",
      "has_results": true,
      "last_update_posted_date": "2026-10-21",
      "last_synced_at": "2026-11-15T19:39:18.081Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05881304"
    },
    {
      "nct_id": "NCT06489249",
      "title": "Role of Inflammation in Vascular Phenotype Associated With E-cigarette Use",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Electronic Cigarette Use",
        "Endothelial Dysfunction",
        "Inflammation"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Salsalate 750 MG Oral Tablet [DISALCID]",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Iowa",
      "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": 24,
      "start_date": "2024-08-15",
      "completion_date": "2027-06",
      "has_results": false,
      "last_update_posted_date": "2026-10-29",
      "last_synced_at": "2026-11-15T19:39:18.081Z",
      "location_count": 2,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06489249"
    },
    {
      "nct_id": "NCT03185546",
      "title": "Project 2 Cigarette and E-cigarette Nicotine Content and E-liquid Flavors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking"
      ],
      "interventions": [
        {
          "name": "NNC Spectrum Cigarette",
          "type": "OTHER"
        },
        {
          "name": "VLNC Spectrum Cigarette",
          "type": "OTHER"
        },
        {
          "name": "Moderate nicotine level e-liquid",
          "type": "OTHER"
        },
        {
          "name": "Low nicotine level e-liquid",
          "type": "OTHER"
        },
        {
          "name": "Tobacco Flavors",
          "type": "OTHER"
        },
        {
          "name": "Tobacco and non-tobacco e-liquid flavors",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 156,
      "start_date": "2018-08-06",
      "completion_date": "2020-03-13",
      "has_results": true,
      "last_update_posted_date": "2021-05-14",
      "last_synced_at": "2026-11-15T19:39:18.081Z",
      "location_count": 2,
      "location_summary": "Winston-Salem, North Carolina • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03185546"
    },
    {
      "nct_id": "NCT07710820",
      "title": "A Multi-Site Study to Assess the Effect of Availability of a Heated Tobacco Product on Smoking Abstinence Among Current Primary Cigarette Smokers",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking",
        "Tobacco"
      ],
      "interventions": [
        {
          "name": "31237616",
          "type": "OTHER"
        },
        {
          "name": "31237617",
          "type": "OTHER"
        },
        {
          "name": "31237571",
          "type": "OTHER"
        },
        {
          "name": "31237581",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "RAI Services Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 1060,
      "start_date": "2026-07",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-07-17",
      "last_synced_at": "2026-11-15T19:39:18.081Z",
      "location_count": 9,
      "location_summary": "Brandon, Florida • Coral Springs, Florida • Aurora, Illinois + 5 more",
      "locations": [
        {
          "city": "Brandon",
          "state": "Florida"
        },
        {
          "city": "Coral Springs",
          "state": "Florida"
        },
        {
          "city": "Aurora",
          "state": "Illinois"
        },
        {
          "city": "Gurnee",
          "state": "Illinois"
        },
        {
          "city": "Las Vegas",
          "state": "Nevada"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07710820"
    },
    {
      "nct_id": "NCT05836103",
      "title": "Testing the Impact of Smartphone-based Messaging to Support Young Adult Smoking Cessation",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "Smartphone-based intervention messages",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Johns Hopkins Bloomberg School of Public Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 160,
      "start_date": "2024-10-22",
      "completion_date": "2026-11-30",
      "has_results": false,
      "last_update_posted_date": "2026-06-26",
      "last_synced_at": "2026-11-15T19:39:18.081Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05836103"
    },
    {
      "nct_id": "NCT02697227",
      "title": "Behavioral Activation Therapy and Nicotine Replacement Therapy in Increasing Smoking Cessation",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoker",
        "Tobacco Use Disorder"
      ],
      "interventions": [
        {
          "name": "Behavioral Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Nicotine Patch",
          "type": "DRUG"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Smoking Cessation Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER",
        "DRUG"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "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": 85,
      "start_date": "2016-08-05",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-11",
      "last_synced_at": "2026-11-15T19:39:18.081Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02697227"
    },
    {
      "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": "2026-11-15T19:39:18.081Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03580460"
    }
  ]
}