{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Cigarettes&page=4",
    "query": {
      "intervention": "Cigarettes",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 1028,
    "total_pages": 103,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Cigarettes&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Cigarettes&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-19T22:32:37.611Z",
  "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": "NCT01034384",
      "title": "Physiological, Cognitive and Cerebral Activity Changes as a Function of Cigarette Smoking (With or Without Nicotine) and Tobacco Abstinence",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute on Drug Abuse (NIDA)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 119,
      "start_date": "2000-12-05",
      "completion_date": "2012-11-06",
      "has_results": false,
      "last_update_posted_date": "2018-04-05",
      "last_synced_at": "2026-10-19T22:32:37.611Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01034384"
    },
    {
      "nct_id": "NCT05457634",
      "title": "Nicotine Uptake and Abuse Liability Assessments of Blu Disposable Electronic Cigarettes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "Combustible Cigarette",
          "type": "OTHER"
        },
        {
          "name": "blu Disposable A",
          "type": "OTHER"
        },
        {
          "name": "blu Disposable B",
          "type": "OTHER"
        },
        {
          "name": "blu Disposable C",
          "type": "OTHER"
        },
        {
          "name": "blu Disposable D",
          "type": "OTHER"
        },
        {
          "name": "blu Disposable E",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Fontem US LLC",
      "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": 20,
      "start_date": "2021-07-13",
      "completion_date": "2024-08-31",
      "has_results": false,
      "last_update_posted_date": "2025-09-17",
      "last_synced_at": "2026-10-19T22:32:37.611Z",
      "location_count": 1,
      "location_summary": "Burbank, California",
      "locations": [
        {
          "city": "Burbank",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05457634"
    },
    {
      "nct_id": "NCT06556238",
      "title": "Metabolism-Informed Care to Aid Alaska Native People to Quit Smoking (QUIT)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Nicotine Metabolite Ratio",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Southcentral Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2025-11-17",
      "completion_date": "2026-06",
      "has_results": false,
      "last_update_posted_date": "2026-04-24",
      "last_synced_at": "2026-10-19T22:32:37.611Z",
      "location_count": 1,
      "location_summary": "Anchorage, Alaska",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06556238"
    },
    {
      "nct_id": "NCT04620915",
      "title": "Construal Level as a Novel Pathway for Affect Regulation and Cancer Control",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation",
        "Smoking Reduction",
        "Cancer"
      ],
      "interventions": [
        {
          "name": "High-level construal",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Down-regulation of craving for cigarettes",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Up-regulation of goal energization",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Oregon",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "25 Years to 55 Years"
      },
      "enrollment_count": 300,
      "start_date": "2021-10-11",
      "completion_date": "2025-11-05",
      "has_results": false,
      "last_update_posted_date": "2026-07-21",
      "last_synced_at": "2026-10-19T22:32:37.611Z",
      "location_count": 2,
      "location_summary": "Eugene, Oregon",
      "locations": [
        {
          "city": "Eugene",
          "state": "Oregon"
        },
        {
          "city": "Eugene",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04620915"
    },
    {
      "nct_id": "NCT04167384",
      "title": "CSD190301: A Study to Assess Elements of Abuse Liability for Two Dissolvable Nicotine Lozenge Tobacco Products",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking",
        "Tobacco Use",
        "Tobacco Smoking"
      ],
      "interventions": [
        {
          "name": "Product A",
          "type": "OTHER"
        },
        {
          "name": "Product B",
          "type": "OTHER"
        },
        {
          "name": "Product C",
          "type": "OTHER"
        },
        {
          "name": "Product D",
          "type": "OTHER"
        },
        {
          "name": "Product E",
          "type": "OTHER"
        },
        {
          "name": "Product F",
          "type": "OTHER"
        },
        {
          "name": "Product G",
          "type": "OTHER"
        },
        {
          "name": "Product H",
          "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": 69,
      "start_date": "2019-12-02",
      "completion_date": "2020-02-28",
      "has_results": false,
      "last_update_posted_date": "2020-03-12",
      "last_synced_at": "2026-10-19T22:32:37.611Z",
      "location_count": 1,
      "location_summary": "High Point, North Carolina",
      "locations": [
        {
          "city": "High Point",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04167384"
    },
    {
      "nct_id": "NCT01186315",
      "title": "Post-traumatic Stress Disorder (PTSD), Addiction, and Virtual Reality",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Substance Use Disorders",
        "Posttraumatic Stress Disorder"
      ],
      "interventions": [
        {
          "name": "Prolonged Exposure Therapy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Prolonged Exposure therapy + VR/ER",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 38,
      "start_date": "2008-12",
      "completion_date": "2013-12",
      "has_results": false,
      "last_update_posted_date": "2014-08-21",
      "last_synced_at": "2026-10-19T22:32:37.611Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01186315"
    },
    {
      "nct_id": "NCT07042373",
      "title": "Effects of Tobacco Abuse Liability-dependent Taxes in the ETM",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking Behavior"
      ],
      "interventions": [
        {
          "name": "Control",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Product Category Score",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Product Category Rank",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Product Tiers",
          "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": 0,
      "start_date": "2026-07-31",
      "completion_date": "2027-04-07",
      "has_results": false,
      "last_update_posted_date": "2026-09-15",
      "last_synced_at": "2026-10-19T22:32:37.611Z",
      "location_count": 1,
      "location_summary": "Roanoke, Virginia",
      "locations": [
        {
          "city": "Roanoke",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07042373"
    },
    {
      "nct_id": "NCT03994926",
      "title": "Evaluation of an Eye Tracking Sensor to Detect Cannabis Impairment",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Cannabis Intoxication"
      ],
      "interventions": [
        {
          "name": "Virtual Reality Eye Tracking after smoking Cannabis - HTC Vive Pro-Eye",
          "type": "DEVICE"
        },
        {
          "name": "Cannabis cigarette - 4.0% THC",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Battelle Memorial 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": 3,
      "start_date": "2020-02-03",
      "completion_date": "2020-03-13",
      "has_results": false,
      "last_update_posted_date": "2021-10-01",
      "last_synced_at": "2026-10-19T22:32:37.611Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03994926"
    },
    {
      "nct_id": "NCT05033990",
      "title": "SPIROMICS Study of Early COPD Progression (SOURCE)",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COPD, Early-Onset"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Massachusetts, Worcester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "30 Years to 55 Years"
      },
      "enrollment_count": 1000,
      "start_date": "2021-09-08",
      "completion_date": "2027-05",
      "has_results": false,
      "last_update_posted_date": "2026-06-03",
      "last_synced_at": "2026-10-19T22:32:37.611Z",
      "location_count": 14,
      "location_summary": "Birmingham, Alabama • Scottsdale, Arizona • Los Angeles, California + 10 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05033990"
    },
    {
      "nct_id": "NCT02599571",
      "title": "Effects of Nicotine Reduction on Smoking Behavior in ADHD Smokers",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nicotine Dependence",
        "ADHD"
      ],
      "interventions": [
        {
          "name": "Very low nicotine content cigarettes",
          "type": "OTHER"
        },
        {
          "name": "Conventional nicotine content cigarettes",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 71,
      "start_date": "2016-03-30",
      "completion_date": "2019-09-12",
      "has_results": false,
      "last_update_posted_date": "2020-01-27",
      "last_synced_at": "2026-10-19T22:32:37.611Z",
      "location_count": 2,
      "location_summary": "Durham, North Carolina • Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02599571"
    }
  ]
}