{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tobacco+quit+line&page=3",
    "query": {
      "intervention": "Tobacco quit line",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 55,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tobacco+quit+line&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tobacco+quit+line&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-07T05:26:27.140Z",
  "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": "NCT06218823",
      "title": "Tobacco Treatment Comparison for Cancer Care",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Smoking Cessation",
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Transdermal Nicotine Patch",
          "type": "DRUG"
        },
        {
          "name": "Standard Telephone Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Varenicline",
          "type": "DRUG"
        },
        {
          "name": "Cancer-Targeted Telephone Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Mailed Information about Standard Care Resources",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 52,
      "start_date": "2024-03-01",
      "completion_date": "2025-08-04",
      "has_results": true,
      "last_update_posted_date": "2025-10-27",
      "last_synced_at": "2026-10-07T05:26:27.140Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06218823"
    },
    {
      "nct_id": "NCT00827866",
      "title": "Efficacy of Tobacco Quitline for Cancer Survivors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Counselor-Initiated Tobacco Quit Line",
          "type": "OTHER"
        },
        {
          "name": "Self-Paced Tobacco Quit Line",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "St. Jude Children's Research Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 946,
      "start_date": "2008-10",
      "completion_date": "2013-11",
      "has_results": false,
      "last_update_posted_date": "2014-11-25",
      "last_synced_at": "2026-10-07T05:26:27.140Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00827866"
    },
    {
      "nct_id": "NCT01684592",
      "title": "Phone-Based Postpartum Continuing Care for Smoking Cessation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation",
        "Pregnancy"
      ],
      "interventions": [
        {
          "name": "Phone-based postpartum continuing care",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard care",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Battelle Memorial Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 130,
      "start_date": "2012-10",
      "completion_date": "2015-03",
      "has_results": true,
      "last_update_posted_date": "2018-03-13",
      "last_synced_at": "2026-10-07T05:26:27.140Z",
      "location_count": 2,
      "location_summary": "Bloomington, Illinois • Baltimore, Maryland",
      "locations": [
        {
          "city": "Bloomington",
          "state": "Illinois"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01684592"
    },
    {
      "nct_id": "NCT04691297",
      "title": "Digitally Enhanced Smoking Cessation for High Risk Smokers",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking",
        "Smoking Cessation",
        "Lung Cancer Screening",
        "Smoking, Tobacco",
        "Smoking Behaviors"
      ],
      "interventions": [
        {
          "name": "Escape",
          "type": "OTHER"
        },
        {
          "name": "Standard Care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Dana-Farber Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "77 Years",
        "sex": "ALL",
        "summary": "55 Years to 77 Years"
      },
      "enrollment_count": 153,
      "start_date": "2021-02-01",
      "completion_date": "2026-12-01",
      "has_results": false,
      "last_update_posted_date": "2025-12-19",
      "last_synced_at": "2026-10-07T05:26:27.140Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04691297"
    },
    {
      "nct_id": "NCT01260597",
      "title": "Tobacco Quit Line Re-enrollments for the Underserved",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking"
      ],
      "interventions": [
        {
          "name": "IVR intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "IVR control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Consumer Wellness Solutions",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2985,
      "start_date": "2010-09",
      "completion_date": "2011-07",
      "has_results": false,
      "last_update_posted_date": "2015-08-11",
      "last_synced_at": "2026-10-07T05:26:27.140Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01260597"
    },
    {
      "nct_id": "NCT01584882",
      "title": "Computer-Assisted Tobacco Interventions in Dental Offices",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking"
      ],
      "interventions": [
        {
          "name": "CATI Tool",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "HealthPartners Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 548,
      "start_date": "2009-10",
      "completion_date": "2012-07",
      "has_results": false,
      "last_update_posted_date": "2023-08-23",
      "last_synced_at": "2026-10-07T05:26:27.140Z",
      "location_count": 1,
      "location_summary": "Bloomington, Minnesota",
      "locations": [
        {
          "city": "Bloomington",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01584882"
    },
    {
      "nct_id": "NCT01093599",
      "title": "Trial on the Effectiveness of Mindfulness Training for Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "Quit Line plus MTS",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Quit Line Only",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 196,
      "start_date": "2010-03",
      "completion_date": "2013-12",
      "has_results": true,
      "last_update_posted_date": "2015-10-20",
      "last_synced_at": "2026-10-07T05:26:27.140Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01093599"
    },
    {
      "nct_id": "NCT05641974",
      "title": "Effect of Helpers Program On-line Training on Smoking Relapse and Social Networks",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking",
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "Helpers Stay Quit Training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 940,
      "start_date": "2022-12-12",
      "completion_date": "2027-02-27",
      "has_results": false,
      "last_update_posted_date": "2026-04-15",
      "last_synced_at": "2026-10-07T05:26:27.140Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05641974"
    },
    {
      "nct_id": "NCT02424188",
      "title": "Trial of Integrated Smoking Cessation, Exercise and Weight Management in Serious Mental Illness: TRIUMPH",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Mental Illness"
      ],
      "interventions": [
        {
          "name": "TRIIUMPH Intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 192,
      "start_date": "2016-07-07",
      "completion_date": "2020-03",
      "has_results": true,
      "last_update_posted_date": "2025-06-25",
      "last_synced_at": "2026-10-07T05:26:27.140Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02424188"
    },
    {
      "nct_id": "NCT02201810",
      "title": "Enhancing the Efficacy of Smoking Quit Line in the Military (AFIII Renewal)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Initial Efficacy of Quit Line",
        "Efficacy of Secondary Reengagement Intervention"
      ],
      "interventions": [
        {
          "name": "Rate reduction intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Recycling Group",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Choice Group",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Proactive QL",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "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": 614,
      "start_date": "2015-05",
      "completion_date": "2020-11-30",
      "has_results": false,
      "last_update_posted_date": "2022-05-26",
      "last_synced_at": "2026-10-07T05:26:27.140Z",
      "location_count": 1,
      "location_summary": "Lackland Air Force Base, Texas",
      "locations": [
        {
          "city": "Lackland Air Force Base",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02201810"
    }
  ]
}