{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Tobacco+Chewing",
    "query": {
      "condition": "Tobacco Chewing"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 12,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Tobacco+Chewing&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-22T02:17:17.875Z",
  "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": "NCT01100216",
      "title": "Human Laboratory Study of Smokeless Tobacco Products",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smokeless Tobacco"
      ],
      "interventions": [
        {
          "name": "Nicotine Lozenge",
          "type": "OTHER"
        },
        {
          "name": "Stonewall Dissolvable Tobacco Pieces",
          "type": "OTHER"
        },
        {
          "name": "Camel Snus Frost",
          "type": "OTHER"
        },
        {
          "name": "Skoal Wintergreen",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "MALE",
        "summary": "18 Years to 60 Years · Male only"
      },
      "enrollment_count": 0,
      "start_date": "2010-03",
      "completion_date": "2010-12",
      "has_results": false,
      "last_update_posted_date": "2014-12-10",
      "last_synced_at": "2026-07-22T02:17:17.875Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01100216"
    },
    {
      "nct_id": "NCT01018394",
      "title": "Nicotine Lozenge or Tobacco-Free Snuff for Smokeless Tobacco Reduction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Tobacco Dependence"
      ],
      "interventions": [
        {
          "name": "nicotine lozenges",
          "type": "DRUG"
        },
        {
          "name": "tobacco-free snuff",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 81,
      "start_date": "2009-01",
      "completion_date": "2012-07",
      "has_results": true,
      "last_update_posted_date": "2013-09-13",
      "last_synced_at": "2026-07-22T02:17:17.875Z",
      "location_count": 2,
      "location_summary": "Rochester, Minnesota • Eugene, Oregon",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "Eugene",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01018394"
    },
    {
      "nct_id": "NCT00888459",
      "title": "A Pilot Study Evaluating Nicotine Lozenges and Self Help",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Smokeless Tobacco Use"
      ],
      "interventions": [
        {
          "name": "nicotine replacement therapy",
          "type": "DRUG"
        },
        {
          "name": "placebo NRT",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 60,
      "start_date": "2008-04",
      "completion_date": "2009-05",
      "has_results": true,
      "last_update_posted_date": "2023-10-23",
      "last_synced_at": "2026-07-22T02:17:17.875Z",
      "location_count": 2,
      "location_summary": "Rochester, Minnesota • Eugene, Oregon",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "Eugene",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00888459"
    },
    {
      "nct_id": "NCT06881069",
      "title": "Reach Through Equitable Implementation in Utah",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use Cessation",
        "Tobacco Use",
        "Tobacco Smoking",
        "Tobacco Chewing",
        "Tobacco Dependence"
      ],
      "interventions": [
        {
          "name": "Clinic Level: AAC - SDOH, AAC - Tobacco",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Non-Bundled",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Bundled",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Dose 1",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Dose 3",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Dose 6",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Dose 9",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Dose 12",
          "type": "BEHAVIORAL"
        },
        {
          "name": "RPN",
          "type": "BEHAVIORAL"
        },
        {
          "name": "PPN",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1560,
      "start_date": "2025-02-13",
      "completion_date": "2028-01-30",
      "has_results": false,
      "last_update_posted_date": "2025-03-18",
      "last_synced_at": "2026-07-22T02:17:17.875Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06881069"
    },
    {
      "nct_id": "NCT00820495",
      "title": "Effectiveness of a Web-Assisted Quitline for Smokeless Tobacco Users",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Tobacco Use Disorder"
      ],
      "interventions": [
        {
          "name": "Web + Phone",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Web Only",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Phone Only",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Usual Care",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Oregon Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1683,
      "start_date": "2009-05",
      "completion_date": "2012-05",
      "has_results": false,
      "last_update_posted_date": "2013-08-05",
      "last_synced_at": "2026-07-22T02:17:17.875Z",
      "location_count": 2,
      "location_summary": "San Diego, California • Eugene, Oregon",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Eugene",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00820495"
    },
    {
      "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": "2026-07-22T02:17:17.875Z",
      "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": "NCT00939029",
      "title": "Highdose Nicotine Patch Therapy for Smokeless Tobacco Use",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Smokeless Tobacco Use"
      ],
      "interventions": [
        {
          "name": "nicotine replacement therapy (nicotine patches)",
          "type": "DRUG"
        },
        {
          "name": "placebo NRT",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "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": 52,
      "start_date": "2010-07",
      "completion_date": "2013-06",
      "has_results": true,
      "last_update_posted_date": "2014-05-19",
      "last_synced_at": "2026-07-22T02:17:17.875Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00939029"
    },
    {
      "nct_id": "NCT04079933",
      "title": "A Study to Evaluate Changes in Smokers Using An Oral Tobacco-Derived Nicotine Product",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use"
      ],
      "interventions": [
        {
          "name": "Oral tobacco-derived nicotine product (OTDN)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Altria Client Services 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": 154,
      "start_date": "2013-08-27",
      "completion_date": "2013-11-26",
      "has_results": true,
      "last_update_posted_date": "2024-09-27",
      "last_synced_at": "2026-07-22T02:17:17.875Z",
      "location_count": 3,
      "location_summary": "Daytona Beach, Florida • Evansville, Indiana • Dallas, Texas",
      "locations": [
        {
          "city": "Daytona Beach",
          "state": "Florida"
        },
        {
          "city": "Evansville",
          "state": "Indiana"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04079933"
    },
    {
      "nct_id": "NCT00265681",
      "title": "Telephone Counseling for Snuff Users",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smokeless Tobacco",
        "Tobacco Use Cessation"
      ],
      "interventions": [
        {
          "name": "Phone counseling and written materials",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "HealthPartners Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 400,
      "start_date": "2004-11",
      "completion_date": "2006-12",
      "has_results": false,
      "last_update_posted_date": "2023-08-24",
      "last_synced_at": "2026-07-22T02:17:17.875Z",
      "location_count": 1,
      "location_summary": "Bloomington, Minnesota",
      "locations": [
        {
          "city": "Bloomington",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00265681"
    },
    {
      "nct_id": "NCT00710034",
      "title": "Efficacy of Oral Tobacco Products Compared to a Medicinal Nicotine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Tobacco Use Disorder"
      ],
      "interventions": [
        {
          "name": "Oral tobacco",
          "type": "OTHER"
        },
        {
          "name": "Nicotine Gum",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "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": 391,
      "start_date": "2010-04",
      "completion_date": "2014-05",
      "has_results": true,
      "last_update_posted_date": "2017-12-06",
      "last_synced_at": "2026-07-22T02:17:17.875Z",
      "location_count": 2,
      "location_summary": "Minneapolis, Minnesota • Eugene, Oregon",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Eugene",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00710034"
    }
  ]
}