{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Tobacco+Use&page=2",
    "query": {
      "condition": "Tobacco Use",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Tobacco+Use&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-06-13T13:14:05.677Z",
  "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": "NCT04376489",
      "title": "Project MARS: Mobile-Assistance for Regulating Smoking",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Current Smoker",
        "Tobacco Smoking"
      ],
      "interventions": [
        {
          "name": "Messages (participants experiencing negative affect & cigarettes are available)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Messages (participants not experiencing negative affect & cigarettes are available)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Messages (participants experiencing negative affect & cigarettes are not available)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Messages (participants not experiencing negative affect & cigarettes are not available)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Moodsurf",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Meditate",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Joy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Imagine",
          "type": "BEHAVIORAL"
        },
        {
          "name": "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": 112,
      "start_date": "2020-08-27",
      "completion_date": "2023-01",
      "has_results": false,
      "last_update_posted_date": "2022-10-26",
      "last_synced_at": "2026-06-13T13:14:05.677Z",
      "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": "NCT02683161",
      "title": "Pre to Postoperative Smoking Cessation",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cigarette Smoking",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Varenicline",
          "type": "DRUG"
        },
        {
          "name": "Contingency Management",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Behavioral Counseling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 5,
      "start_date": "2015-10",
      "completion_date": "2017-07",
      "has_results": true,
      "last_update_posted_date": "2018-07-17",
      "last_synced_at": "2026-06-13T13:14:05.677Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02683161"
    },
    {
      "nct_id": "NCT04308759",
      "title": "An Innovative Conversational Agent (Quitbot) for Smoking Cessation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking &Amp; Tobacco Cessation"
      ],
      "interventions": [
        {
          "name": "Experimental Smoking Cessation Program",
          "type": "OTHER"
        },
        {
          "name": "Control Smoking Cessation Program",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "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": 1647,
      "start_date": "2022-07-24",
      "completion_date": "2026-04-08",
      "has_results": true,
      "last_update_posted_date": "2026-05-22",
      "last_synced_at": "2026-06-13T13:14:05.677Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04308759"
    },
    {
      "nct_id": "NCT04123041",
      "title": "Characterize the Nicotine Uptake and Subjective Effects With Use of JUUL Electronic Nicotine Delivery Systems",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Electronic Cigarette Use",
        "Tobacco Smoking"
      ],
      "interventions": [
        {
          "name": "JUUL ENDS, Combustible cigarette, comparator e-cigarette, Nicorette gum",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Juul Labs, Inc.",
      "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": 137,
      "start_date": "2019-09-23",
      "completion_date": "2019-12-18",
      "has_results": false,
      "last_update_posted_date": "2020-02-13",
      "last_synced_at": "2026-06-13T13:14:05.677Z",
      "location_count": 2,
      "location_summary": "Kansas City, Kansas • Lexington, Kentucky",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        },
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04123041"
    },
    {
      "nct_id": "NCT00218296",
      "title": "Comparison Across Treatment Conditions to Reduce Smokeless Tobacco Use",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Tobacco Use Disorder"
      ],
      "interventions": [
        {
          "name": "Usual Care Group",
          "type": "DRUG"
        },
        {
          "name": "Reduction Group",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "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": 332,
      "start_date": "2006-11",
      "completion_date": "2009-01",
      "has_results": true,
      "last_update_posted_date": "2017-10-16",
      "last_synced_at": "2026-06-13T13:14:05.677Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00218296"
    },
    {
      "nct_id": "NCT01202942",
      "title": "Use and Harm Exposure in New Low Nicotine Cigarettes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "Quest",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Pennsylvania",
      "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": 246,
      "start_date": "2007-07",
      "completion_date": "2013-06",
      "has_results": false,
      "last_update_posted_date": "2013-12-19",
      "last_synced_at": "2026-06-13T13:14:05.677Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01202942"
    },
    {
      "nct_id": "NCT03482583",
      "title": "Tobacco Use Treatment in Cancer Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Smoking, Cigarette"
      ],
      "interventions": [
        {
          "name": "Nicotine Replacement Therapy",
          "type": "DRUG"
        },
        {
          "name": "Referral to AHEC/Quitline",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Florida",
      "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": "2018-05-14",
      "completion_date": "2019-12-31",
      "has_results": true,
      "last_update_posted_date": "2020-05-22",
      "last_synced_at": "2026-06-13T13:14:05.677Z",
      "location_count": 5,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03482583"
    },
    {
      "nct_id": "NCT07040566",
      "title": "A Trial of Varenicline for E-cigarette Cessation",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "E-cigarette Use",
        "Vaping",
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "Varenicline 1mg BID",
          "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": 326,
      "start_date": "2025-10-14",
      "completion_date": "2030-10-30",
      "has_results": false,
      "last_update_posted_date": "2025-12-17",
      "last_synced_at": "2026-06-13T13:14:05.677Z",
      "location_count": 2,
      "location_summary": "New Haven, Connecticut • Charleston, South Carolina",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07040566"
    },
    {
      "nct_id": "NCT03993769",
      "title": "CSD190101: A Study to Assess Nicotine Pharmacokinetic Parameters After Use of Two Smokeless Tobacco Products",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use"
      ],
      "interventions": [
        {
          "name": "A19010-F",
          "type": "OTHER"
        },
        {
          "name": "B19010-F",
          "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": 64,
      "start_date": "2019-07-09",
      "completion_date": "2019-08-31",
      "has_results": false,
      "last_update_posted_date": "2019-10-25",
      "last_synced_at": "2026-06-13T13:14:05.677Z",
      "location_count": 6,
      "location_summary": "Rogers, Arkansas • Lexington, Kentucky • Springfield, Missouri + 3 more",
      "locations": [
        {
          "city": "Rogers",
          "state": "Arkansas"
        },
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Springfield",
          "state": "Missouri"
        },
        {
          "city": "High Point",
          "state": "North Carolina"
        },
        {
          "city": "Knoxville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03993769"
    },
    {
      "nct_id": "NCT03543137",
      "title": "To Assess the Bioequivalence of the 4mg Prototype Mini Nicotine Lozenge to the Reference Product (Nicorette) in Healthy Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Tobacco Use Disorder"
      ],
      "interventions": [
        {
          "name": "Nicotine Prototype Mini lozenge",
          "type": "DRUG"
        },
        {
          "name": "Nicorette Mini Lozenge",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "19 Years to 55 Years"
      },
      "enrollment_count": 37,
      "start_date": "2018-06-18",
      "completion_date": "2018-11-12",
      "has_results": true,
      "last_update_posted_date": "2019-12-04",
      "last_synced_at": "2026-06-13T13:14:05.677Z",
      "location_count": 1,
      "location_summary": "Lincoln, Nebraska",
      "locations": [
        {
          "city": "Lincoln",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03543137"
    }
  ]
}