{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cigarette+Use&page=27",
    "query": {
      "condition": "Cigarette Use",
      "page": 27
    },
    "page_size": 10
  },
  "pagination": {
    "page": 27,
    "page_size": 10,
    "total_count": 690,
    "total_pages": 69,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cigarette+Use&page=28&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cigarette+Use&page=26&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-30T21:46:58.123Z",
  "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": "NCT05569005",
      "title": "Effect of Switching From Cigarette Smoking to THS on Disease Progression in Mild to Moderate COPD Subjects With Chronic Bronchitis Symptoms.",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "COPD",
        "Smoking",
        "Tobacco Use"
      ],
      "interventions": [
        {
          "name": "THS use",
          "type": "OTHER"
        },
        {
          "name": "Cigarette",
          "type": "OTHER"
        },
        {
          "name": "Smoking Abstinence",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Philip Morris Products S.A.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "35 Years to 65 Years"
      },
      "enrollment_count": 715,
      "start_date": "2022-12-16",
      "completion_date": "2024-09-13",
      "has_results": false,
      "last_update_posted_date": "2024-09-26",
      "last_synced_at": "2026-10-30T21:46:58.123Z",
      "location_count": 81,
      "location_summary": "Brandon, Florida • Cape Coral, Florida • Clearwater, Florida + 41 more",
      "locations": [
        {
          "city": "Brandon",
          "state": "Florida"
        },
        {
          "city": "Cape Coral",
          "state": "Florida"
        },
        {
          "city": "Clearwater",
          "state": "Florida"
        },
        {
          "city": "Coral Gables",
          "state": "Florida"
        },
        {
          "city": "Davie",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05569005"
    },
    {
      "nct_id": "NCT06292130",
      "title": "Health-Kit Enabled Mobile App for Tobacco Cessation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "refresh",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Pro-Change Behavior Systems",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 51,
      "start_date": "2022-03-21",
      "completion_date": "2023-09-21",
      "has_results": true,
      "last_update_posted_date": "2025-05-16",
      "last_synced_at": "2026-10-30T21:46:58.123Z",
      "location_count": 1,
      "location_summary": "South Kingstown, Rhode Island",
      "locations": [
        {
          "city": "South Kingstown",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06292130"
    },
    {
      "nct_id": "NCT05112562",
      "title": "Attentional Bias Modification Training for E-cigarette Users",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "E-cigarette Use",
        "Tobacco Use Cessation"
      ],
      "interventions": [
        {
          "name": "Computerized attentional bias modification training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Placebo attention control training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Wisconsin, Milwaukee",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "29 Years",
        "sex": "ALL",
        "summary": "18 Years to 29 Years"
      },
      "enrollment_count": 50,
      "start_date": "2021-06-09",
      "completion_date": "2024-12-31",
      "has_results": false,
      "last_update_posted_date": "2022-11-04",
      "last_synced_at": "2026-10-30T21:46:58.123Z",
      "location_count": 1,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05112562"
    },
    {
      "nct_id": "NCT00823927",
      "title": "Alveolar Macrophage Proteomics in HIV-associated Emphysema",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "HIV",
        "Emphysema",
        "HIV Infections"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Philip Diaz",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 365,
      "start_date": "2006-04-21",
      "completion_date": "2008-06-23",
      "has_results": false,
      "last_update_posted_date": "2021-11-01",
      "last_synced_at": "2026-10-30T21:46:58.123Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00823927"
    },
    {
      "nct_id": "NCT04449510",
      "title": "Short-Term Cardiovascular Effects of E-Cigarettes: Influence of E-Liquid pH",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiovascular Risk Factor",
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "Electronic Cigarette",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "21 Years to 70 Years"
      },
      "enrollment_count": 14,
      "start_date": "2021-01-04",
      "completion_date": "2024-07-31",
      "has_results": false,
      "last_update_posted_date": "2025-07-15",
      "last_synced_at": "2026-10-30T21:46:58.123Z",
      "location_count": 2,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04449510"
    },
    {
      "nct_id": "NCT04279483",
      "title": "GeoScan and Remote Geo Smoking Study: Neural and Behavioral Correlates of Smokers' Exposure to Retail Environments",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking, Tobacco",
        "Smoking",
        "Smoking, Cigarette"
      ],
      "interventions": [
        {
          "name": "Tobacco retailer",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Non-tobacco retailer",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Abramson Cancer Center at Penn Medicine",
      "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": 343,
      "start_date": "2019-12-17",
      "completion_date": "2024-06-10",
      "has_results": true,
      "last_update_posted_date": "2025-08-14",
      "last_synced_at": "2026-10-30T21:46:58.123Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04279483"
    },
    {
      "nct_id": "NCT00683033",
      "title": "Contingency Management for Smoking in Substance Abusers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "Contingency Management",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Brief smoking cessation counseling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "UConn Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 51,
      "start_date": "2008-05",
      "completion_date": "2010-10",
      "has_results": false,
      "last_update_posted_date": "2011-11-21",
      "last_synced_at": "2026-10-30T21:46:58.123Z",
      "location_count": 1,
      "location_summary": "Farmington, Connecticut",
      "locations": [
        {
          "city": "Farmington",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00683033"
    },
    {
      "nct_id": "NCT04662658",
      "title": "Hyperpolarized Xenon-129 MR Imaging of the Lung",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "E-Cig Use"
      ],
      "interventions": [
        {
          "name": "Hyperpolarized Xenon -129 MRI",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 24,
      "start_date": "2020-11-05",
      "completion_date": "2025-12",
      "has_results": false,
      "last_update_posted_date": "2020-12-10",
      "last_synced_at": "2026-10-30T21:46:58.123Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04662658"
    },
    {
      "nct_id": "NCT01484717",
      "title": "Interactive Voice Response Technology to Mobilize Contingency Management for Smoking Cessation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "contingency management for smoking abstinence",
          "type": "BEHAVIORAL"
        },
        {
          "name": "transdermal nicotine",
          "type": "DRUG"
        },
        {
          "name": "Telephone counseling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "UConn Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 90,
      "start_date": "2012-01",
      "completion_date": "2014-12",
      "has_results": false,
      "last_update_posted_date": "2017-02-20",
      "last_synced_at": "2026-10-30T21:46:58.123Z",
      "location_count": 1,
      "location_summary": "Farmington, Connecticut",
      "locations": [
        {
          "city": "Farmington",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01484717"
    },
    {
      "nct_id": "NCT05134415",
      "title": "Use Behavior, Nicotine Uptake, and Subjective Effects Comparison of Tobacco and Menthol e-Liquids by ENDS Consumers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Electronic Cigarette Use"
      ],
      "interventions": [
        {
          "name": "RELX ENDS Tobacco Flavor 1",
          "type": "OTHER"
        },
        {
          "name": "RELX ENDS Tobacco Flavor 2",
          "type": "OTHER"
        },
        {
          "name": "RELX ENDS Menthol Flavor 1",
          "type": "OTHER"
        },
        {
          "name": "RELX ENDS Menthol Flavor 2",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Cheerain HK Limited",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "22 Years to 65 Years"
      },
      "enrollment_count": 40,
      "start_date": "2021-10-12",
      "completion_date": "2021-12-01",
      "has_results": false,
      "last_update_posted_date": "2021-12-13",
      "last_synced_at": "2026-10-30T21:46:58.123Z",
      "location_count": 1,
      "location_summary": "Burbank, California",
      "locations": [
        {
          "city": "Burbank",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05134415"
    }
  ]
}