{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tobacco+quit+line&page=2",
    "query": {
      "intervention": "Tobacco quit line",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 55,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tobacco+quit+line&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tobacco+quit+line&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-04T10:11:56.267Z",
  "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": "NCT06689774",
      "title": "Salvation Army Tobacco Quit Line Referral Implementation Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use",
        "Smoking",
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Cognitive-Motivational Feedback",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Staff Tobacco Quit Line Referral Implementation Support",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Consumer Incentives for Immediate Referral to a Tobacco Quit Line",
          "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": 96,
      "start_date": "2024-11-01",
      "completion_date": "2026-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-09",
      "last_synced_at": "2026-10-04T10:11:56.267Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06689774"
    },
    {
      "nct_id": "NCT03760107",
      "title": "Factorial Design to Assess Quit-line Connections",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Connect Smokers to Treatment 1",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Connect Smokers to Treatment 2",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Connect Smokers to Treatment 3",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Connect Smokers to Treatment 4",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Connect Smokers to Treatment 5",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Connect Smokers to Treatment 6",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Minnesota Department of Health",
      "sponsor_class": "OTHER_GOV",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 3723,
      "start_date": "2017-06-01",
      "completion_date": "2017-12-20",
      "has_results": false,
      "last_update_posted_date": "2018-11-30",
      "last_synced_at": "2026-10-04T10:11:56.267Z",
      "location_count": 1,
      "location_summary": "Saint Paul, Minnesota",
      "locations": [
        {
          "city": "Saint Paul",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03760107"
    },
    {
      "nct_id": "NCT05415761",
      "title": "Comparative Effectiveness of Mobile Health Smoking Cessation Approaches Among Underserved Patients in Primary Care",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use Cessation"
      ],
      "interventions": [
        {
          "name": "iCanQuit",
          "type": "BEHAVIORAL"
        },
        {
          "name": "iCanQuit+Motiv8",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Florida quit line",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 1332,
      "start_date": "2023-05-15",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-12",
      "last_synced_at": "2026-10-04T10:11:56.267Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05415761"
    },
    {
      "nct_id": "NCT04340102",
      "title": "Development of a Scalable Intervention to Improve Smoking Cessation in Persons With Serious Mental Illness",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Cessation"
      ],
      "interventions": [
        {
          "name": "BecomeAnEx",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Maryland, Baltimore",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2020-07",
      "completion_date": "2022-06",
      "has_results": false,
      "last_update_posted_date": "2020-11-06",
      "last_synced_at": "2026-10-04T10:11:56.267Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04340102"
    },
    {
      "nct_id": "NCT04574518",
      "title": "Teachable Moment to Opt-out of Tobacco: Interactive Voice Response Quit Line for Veteran Active Smokers With Lung Nodules",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Solitary Pulmonary Nodule",
        "Multiple Pulmonary Nodules",
        "Tobacco Use"
      ],
      "interventions": [
        {
          "name": "TeaM OUT Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Enhanced Usual Care",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 223,
      "start_date": "2022-08-12",
      "completion_date": "2026-10-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-04",
      "last_synced_at": "2026-10-04T10:11:56.267Z",
      "location_count": 3,
      "location_summary": "Minneapolis, Minnesota • Portland, Oregon • Charleston, South Carolina",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04574518"
    },
    {
      "nct_id": "NCT06745154",
      "title": "Evaluating the Impact of Quitting Using Executive Function Strategy Training (QUEST) on Smoking Cessation in Homeless Young Adult Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking-Related Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Cognitive Assessment",
          "type": "PROCEDURE"
        },
        {
          "name": "Interview",
          "type": "OTHER"
        },
        {
          "name": "Nicotine Replacement",
          "type": "DRUG"
        },
        {
          "name": "Smoking Cessation Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        },
        {
          "name": "Tobacco Cessation Counseling",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER",
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "24 Years",
        "sex": "ALL",
        "summary": "18 Years to 24 Years"
      },
      "enrollment_count": 27,
      "start_date": "2023-06-26",
      "completion_date": "2023-08-30",
      "has_results": false,
      "last_update_posted_date": "2024-12-20",
      "last_synced_at": "2026-10-04T10:11:56.267Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06745154"
    },
    {
      "nct_id": "NCT03962660",
      "title": "Harm Reduction for Tobacco Smoking With Support of Tobacco-Replacing Electronic Nicotine Delivery Systems",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking, Tobacco"
      ],
      "interventions": [
        {
          "name": "HaRTS-TRENDS",
          "type": "OTHER"
        },
        {
          "name": "Standard Care (SC)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 94,
      "start_date": "2019-05-09",
      "completion_date": "2021-12-31",
      "has_results": false,
      "last_update_posted_date": "2019-05-24",
      "last_synced_at": "2026-10-04T10:11:56.267Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03962660"
    },
    {
      "nct_id": "NCT06098144",
      "title": "Smoking Cessation Program in the Construction Sector",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Smoking Cessation",
        "Tobacco Use Cessation",
        "Tobacco Smoking"
      ],
      "interventions": [
        {
          "name": "Nicorette",
          "type": "DRUG"
        },
        {
          "name": "Tobacco Quit-line",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Brief Behavioral Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Intensive Behavioral Counseling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "University of Miami",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 608,
      "start_date": "2024-04-10",
      "completion_date": "2027-07-28",
      "has_results": false,
      "last_update_posted_date": "2026-08-21",
      "last_synced_at": "2026-10-04T10:11:56.267Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06098144"
    },
    {
      "nct_id": "NCT01350011",
      "title": "Tobacco Intervention in Buprenorphine Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Tobacco Dependence"
      ],
      "interventions": [
        {
          "name": "Innovative System",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard Treatment Control (STC)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 175,
      "start_date": "2011-04-01",
      "completion_date": "2016-12-01",
      "has_results": false,
      "last_update_posted_date": "2018-11-13",
      "last_synced_at": "2026-10-04T10:11:56.267Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01350011"
    },
    {
      "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": "2026-10-04T10:11:56.267Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05641974"
    }
  ]
}