{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=cigarette+smoking&page=5",
    "query": {
      "intervention": "cigarette smoking",
      "page": 5
    },
    "page_size": 10
  },
  "pagination": {
    "page": 5,
    "page_size": 10,
    "total_count": 689,
    "total_pages": 69,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=cigarette+smoking&page=6&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=cigarette+smoking&page=4&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-10T18:42:13.018Z",
  "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": "NCT07348679",
      "title": "Cigarette Filter Study",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking ( Cigarette)"
      ],
      "interventions": [
        {
          "name": "Charcoal filtered cigarettes with marketing",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Charcoal filtered cigarette without marketing",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Non-charcoal filtered cigarettes",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Rutgers, The State University of New Jersey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 252,
      "start_date": "2026-04-27",
      "completion_date": "2030-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-05",
      "last_synced_at": "2026-10-10T18:42:13.018Z",
      "location_count": 1,
      "location_summary": "New Brunswick, New Jersey",
      "locations": [
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07348679"
    },
    {
      "nct_id": "NCT06260683",
      "title": "A Comprehensive Evaluation of Tobacco-Flavored vs. Non-Tobacco Flavored E-cigarettes on Smoking Behavior",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking-Related Carcinoma"
      ],
      "interventions": [
        {
          "name": "Nicotine Replacement",
          "type": "DRUG"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Vaping",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "DEVICE"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 1500,
      "start_date": "2024-04-10",
      "completion_date": "2028-04-12",
      "has_results": false,
      "last_update_posted_date": "2026-04-06",
      "last_synced_at": "2026-10-10T18:42:13.018Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06260683"
    },
    {
      "nct_id": "NCT02193256",
      "title": "Varenicline + Prazosin for Heavy Drinking Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Cigarette Smoking",
        "Alcohol Use Disorders"
      ],
      "interventions": [
        {
          "name": "Varenicline",
          "type": "DRUG"
        },
        {
          "name": "Prazosin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5,
      "start_date": "2014-07",
      "completion_date": "2015-06",
      "has_results": false,
      "last_update_posted_date": "2020-03-12",
      "last_synced_at": "2026-10-10T18:42:13.018Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02193256"
    },
    {
      "nct_id": "NCT00711100",
      "title": "Evaluation of Oral Tobacco as a Harm Reduction Method for Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use Disorder"
      ],
      "interventions": [
        {
          "name": "Camel Snus",
          "type": "OTHER"
        },
        {
          "name": "Marlboro Snus",
          "type": "OTHER"
        },
        {
          "name": "Stonewall",
          "type": "OTHER"
        },
        {
          "name": "Ariva",
          "type": "OTHER"
        },
        {
          "name": "General Snus",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 104,
      "start_date": "2008-08",
      "completion_date": "2010-12",
      "has_results": true,
      "last_update_posted_date": "2019-11-18",
      "last_synced_at": "2026-10-10T18:42:13.018Z",
      "location_count": 2,
      "location_summary": "Minneapolis, Minnesota • Eugene, Oregon",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Eugene",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00711100"
    },
    {
      "nct_id": "NCT00901459",
      "title": "A Controlled Laboratory Study of the Effects on Cue-Induced Craving in Dependent Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "Active rTMS Condition",
          "type": "DEVICE"
        },
        {
          "name": "rTMS Location Control Condition",
          "type": "DEVICE"
        },
        {
          "name": "rTMS Frequency Control Condition",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 21,
      "start_date": "2009-05",
      "completion_date": "2010-08",
      "has_results": true,
      "last_update_posted_date": "2013-01-25",
      "last_synced_at": "2026-10-10T18:42:13.018Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00901459"
    },
    {
      "nct_id": "NCT02796651",
      "title": "Formoterol Dose Ranging Study (ACHIEVE Duaklir USA Phase IIb)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Obstructive Pulmonary Disease - COPD"
      ],
      "interventions": [
        {
          "name": "Formoterol fumarate (6 μg)",
          "type": "DRUG"
        },
        {
          "name": "Formoterol furmarate (20 μg)",
          "type": "DRUG"
        },
        {
          "name": "Placebo for formoterol fumarate",
          "type": "DRUG"
        },
        {
          "name": "Formoterol fumarate (12 μg)",
          "type": "DRUG"
        },
        {
          "name": "Formoterol fumarate (40 μg)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "130 Years",
        "sex": "ALL",
        "summary": "40 Years to 130 Years"
      },
      "enrollment_count": 132,
      "start_date": "2016-06-30",
      "completion_date": "2016-12-07",
      "has_results": true,
      "last_update_posted_date": "2018-02-07",
      "last_synced_at": "2026-10-10T18:42:13.018Z",
      "location_count": 20,
      "location_summary": "Glendale, Arizona • Phoenix, Arizona • Tempe, Arizona + 17 more",
      "locations": [
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Celebration",
          "state": "Florida"
        },
        {
          "city": "Clearwater",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02796651"
    },
    {
      "nct_id": "NCT07688304",
      "title": "The Abuse Liability of IQOS Heated Tobacco Products Among Adults Who Smoke",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco"
      ],
      "interventions": [
        {
          "name": "Smoking Behavioral Research (IQOS)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Smoking Behavioral Research (UBC)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 30,
      "start_date": "2026-08-27",
      "completion_date": "2027-10",
      "has_results": false,
      "last_update_posted_date": "2026-08-31",
      "last_synced_at": "2026-10-10T18:42:13.018Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07688304"
    },
    {
      "nct_id": "NCT02482233",
      "title": "The END Perioperative Smoking Pilot Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Smoking",
        "Nicotine Addiction",
        "Surgery"
      ],
      "interventions": [
        {
          "name": "ENDD (NJOY)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "NRT (NicoDerm CQ)",
          "type": "DRUG"
        },
        {
          "name": "telephone counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "brief advice",
          "type": "BEHAVIORAL"
        },
        {
          "name": "brochure",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2015-08",
      "completion_date": "2016-09",
      "has_results": true,
      "last_update_posted_date": "2022-03-09",
      "last_synced_at": "2026-10-10T18:42:13.018Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02482233"
    },
    {
      "nct_id": "NCT03774758",
      "title": "Biomarkers for Risk Stratification in Lung Cancer",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Nodule Solitary Pulmonary",
        "Non-small Cell Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Guardant Health ct-DNA LUNAR assay",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 590,
      "start_date": "2017-12-17",
      "completion_date": "2030-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-04",
      "last_synced_at": "2026-10-10T18:42:13.018Z",
      "location_count": 3,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03774758"
    },
    {
      "nct_id": "NCT02575885",
      "title": "Nicotine Delivery From Novel Non-Tobacco Electronic System in Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoker",
        "Current Smoker",
        "Healthy Subject"
      ],
      "interventions": [
        {
          "name": "Electronic Cigarette",
          "type": "OTHER"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Pharmacological Study",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Roswell Park Cancer Institute",
      "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": 36,
      "start_date": "2016-03-16",
      "completion_date": "2018-06-06",
      "has_results": false,
      "last_update_posted_date": "2018-06-12",
      "last_synced_at": "2026-10-10T18:42:13.018Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02575885"
    }
  ]
}