{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Tobacco+Products&page=22",
    "query": {
      "condition": "Tobacco Products",
      "page": 22
    },
    "page_size": 10
  },
  "pagination": {
    "page": 22,
    "page_size": 10,
    "total_count": 1795,
    "total_pages": 180,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Tobacco+Products&page=23&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Tobacco+Products&page=21&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-14T14:31:02.707Z",
  "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": "NCT01141517",
      "title": "Predictors of Teen Smoking-cessation",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "Not-On-Tobacco smoking cessation program",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Nationwide Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "19 Years",
        "sex": "ALL",
        "summary": "13 Years to 19 Years"
      },
      "enrollment_count": 147,
      "start_date": "2008-07",
      "completion_date": "2014-06",
      "has_results": false,
      "last_update_posted_date": "2019-07-22",
      "last_synced_at": "2026-10-14T14:31:02.707Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01141517"
    },
    {
      "nct_id": "NCT04376489",
      "title": "Project MARS: Mobile-Assistance for Regulating Smoking",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Current Smoker",
        "Tobacco Smoking"
      ],
      "interventions": [
        {
          "name": "Messages recommending low effort strategies (participants experiencing negative affect & cigarettes are available)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Messages recommending low effort strategies (participants not experiencing negative affect & cigarettes are available)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Messages recommending low effort strategies (participants experiencing negative affect & cigarettes are not available)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Messages recommending low effort strategies (participants not experiencing negative affect & cigarettes are not available)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Messages recommending low effort strategies (when participants did not complete the 2-question survey)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "More effortful activity: Moodsurf",
          "type": "BEHAVIORAL"
        },
        {
          "name": "More effortful activity: Meditate",
          "type": "BEHAVIORAL"
        },
        {
          "name": "More effortful activity: Joy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "More effortful activity: Imagine",
          "type": "BEHAVIORAL"
        },
        {
          "name": "More effortful activity: Notice",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 114,
      "start_date": "2020-08-27",
      "completion_date": "2023-10-20",
      "has_results": true,
      "last_update_posted_date": "2026-08-31",
      "last_synced_at": "2026-10-14T14:31:02.707Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04376489"
    },
    {
      "nct_id": "NCT06868368",
      "title": "Perceptions of Vaping Products",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Abuse Tobacco",
        "Exposure"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "OTHER"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        },
        {
          "name": "Vaping Topography",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Participant's Own Preferred E-cigarette",
          "type": "OTHER"
        },
        {
          "name": "Nicotine E-cigarette",
          "type": "OTHER"
        },
        {
          "name": "6-methyl-nicotine (metatine) e-cigarette",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "34 Years",
        "sex": "ALL",
        "summary": "21 Years to 34 Years"
      },
      "enrollment_count": 53,
      "start_date": "2025-03-03",
      "completion_date": "2025-11-04",
      "has_results": false,
      "last_update_posted_date": "2026-09-08",
      "last_synced_at": "2026-10-14T14:31:02.707Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06868368"
    },
    {
      "nct_id": "NCT04523948",
      "title": "Comparative Tobacco Interventions for Individuals With Severe and Persisting Behavioral Health Disorders",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Tobacco Use"
      ],
      "interventions": [
        {
          "name": "Behavioral and pharmacological support to reduce combustible tobacco use.",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Rose Research Center, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2020-01-30",
      "completion_date": "2023-07-31",
      "has_results": false,
      "last_update_posted_date": "2021-09-28",
      "last_synced_at": "2026-10-14T14:31:02.707Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04523948"
    },
    {
      "nct_id": "NCT05838378",
      "title": "Cigarillo Warnings Image Sorting Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking, Cigar"
      ],
      "interventions": [
        {
          "name": "Package image sorting with pictorial warnings",
          "type": "OTHER"
        },
        {
          "name": "Package image sorting with Surgeon General text-only warnings",
          "type": "OTHER"
        },
        {
          "name": "Package image sorting with FDA text-only warnings",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Boston University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "21 Years to 35 Years"
      },
      "enrollment_count": 764,
      "start_date": "2025-01-14",
      "completion_date": "2025-03-25",
      "has_results": true,
      "last_update_posted_date": "2026-04-08",
      "last_synced_at": "2026-10-14T14:31:02.707Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05838378"
    },
    {
      "nct_id": "NCT04260776",
      "title": "Adaptive Treatment Strategies for Improving Engagement With a Web-Based Smoking Intervention in Socially Anxious Smokers",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Social Anxiety Disorder",
        "Tobacco Use Disorder"
      ],
      "interventions": [
        {
          "name": "Phase 1: Web-based intervention (MyWebQuit) with 1-way text messages",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Phase 1: Web-based intervention (MyWebQuit) with interactive, 2-way text messages",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Phase 2: re-engagement text messages",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Phase 2: re-engagement emails",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Fred Hutchinson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2022-04-15",
      "completion_date": "2024-12-31",
      "has_results": false,
      "last_update_posted_date": "2021-12-08",
      "last_synced_at": "2026-10-14T14:31:02.707Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04260776"
    },
    {
      "nct_id": "NCT03576768",
      "title": "QuitFast: Evaluating Transcranial Magnetic Stimulation as a Tool to Reduce Smoking Directly Following a Quit Attempt",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking, Cigarette",
        "Craving",
        "Addiction",
        "Nicotine"
      ],
      "interventions": [
        {
          "name": "Real cTBS",
          "type": "DEVICE"
        },
        {
          "name": "Sham cTBS",
          "type": "DEVICE"
        },
        {
          "name": "Real iTBS",
          "type": "DEVICE"
        },
        {
          "name": "Sham iTBS",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 25,
      "start_date": "2018-09-04",
      "completion_date": "2019-10-25",
      "has_results": true,
      "last_update_posted_date": "2021-03-24",
      "last_synced_at": "2026-10-14T14:31:02.707Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03576768"
    },
    {
      "nct_id": "NCT04009850",
      "title": "Impact of Cigarette and E-cigarette Flavors on Adult Smoking Behavior",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use"
      ],
      "interventions": [
        {
          "name": "Cigarette Brand Switching",
          "type": "OTHER"
        },
        {
          "name": "E-cigarette Flavor",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "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": 3,
      "start_date": "2019-07-01",
      "completion_date": "2022-01-31",
      "has_results": true,
      "last_update_posted_date": "2024-03-08",
      "last_synced_at": "2026-10-14T14:31:02.707Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04009850"
    },
    {
      "nct_id": "NCT01844687",
      "title": "Laboratory Study of Cannabidiol on the Effects of Smoked Marijuana",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Smoking, Marijuana"
      ],
      "interventions": [
        {
          "name": "CBD",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": 50,
      "start_date": "2013-05",
      "completion_date": "2014-10",
      "has_results": true,
      "last_update_posted_date": "2019-12-09",
      "last_synced_at": "2026-10-14T14:31:02.707Z",
      "location_count": 3,
      "location_summary": "Lexington, Kentucky • New York, New York • Charleston, South Carolina",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01844687"
    },
    {
      "nct_id": "NCT00376987",
      "title": "Zinc Supplements in Lowering Cadmium Levels in Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Bladder Cancer",
        "Cervical Cancer",
        "Esophageal Cancer",
        "Gastric Cancer",
        "Head and Neck Cancer",
        "Kidney Cancer",
        "Leukemia",
        "Liver Cancer",
        "Lung Cancer",
        "Pancreatic Cancer",
        "Tobacco Use Disorder"
      ],
      "interventions": [
        {
          "name": "zinc oxide",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "21 Years to 120 Years"
      },
      "enrollment_count": 61,
      "start_date": "2003-12",
      "completion_date": "2015-06",
      "has_results": false,
      "last_update_posted_date": "2017-05-30",
      "last_synced_at": "2026-10-14T14:31:02.707Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00376987"
    }
  ]
}