{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tobacco+Quit-line",
    "query": {
      "intervention": "Tobacco Quit-line"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 55,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tobacco+Quit-line&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-24T20:02:18.397Z",
  "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": "NCT00683839",
      "title": "Tobacco Cessation Via Public Health Dental Clinics",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Smoking"
      ],
      "interventions": [
        {
          "name": "Brief tobacco counseling",
          "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": 2637,
      "start_date": "2006-01",
      "completion_date": "2009-09",
      "has_results": false,
      "last_update_posted_date": "2011-10-26",
      "last_synced_at": "2026-09-24T20:02:18.397Z",
      "location_count": 3,
      "location_summary": "Jackson, Mississippi • New York, New York • Eugene, Oregon",
      "locations": [
        {
          "city": "Jackson",
          "state": "Mississippi"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Eugene",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00683839"
    },
    {
      "nct_id": "NCT01199185",
      "title": "Treating Adults at Risk for Weight Gain With Interactive Technology",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Smoking",
        "Body Weight"
      ],
      "interventions": [
        {
          "name": "Smoking Cessation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Smoking Cessation plus Weight Loss",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Tennessee",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 330,
      "start_date": "2009-08",
      "completion_date": "2014-10",
      "has_results": false,
      "last_update_posted_date": "2013-06-18",
      "last_synced_at": "2026-09-24T20:02:18.397Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01199185"
    },
    {
      "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": "2026-09-24T20:02:18.397Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05641974"
    },
    {
      "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": "2026-09-24T20:02:18.397Z",
      "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"
    },
    {
      "nct_id": "NCT02735382",
      "title": "EHR-Based and Fax-Based Referral to a Tobacco Quitline: A Comparative Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use Cessation",
        "Tobacco Smoking"
      ],
      "interventions": [
        {
          "name": "Tobacco quitline EHR referral",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Tobacco quitline Fax referral",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 14930,
      "start_date": "2016-09",
      "completion_date": "2018-04",
      "has_results": true,
      "last_update_posted_date": "2019-09-03",
      "last_synced_at": "2026-09-24T20:02:18.397Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02735382"
    },
    {
      "nct_id": "NCT02301403",
      "title": "A Comparative Effectiveness RCT of Optimized Cessation Treatments",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Nicotine patch",
          "type": "DRUG"
        },
        {
          "name": "in-person counseling and quitline counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Preparation Nicotine Mini-Lozenges",
          "type": "DRUG"
        },
        {
          "name": "Combination NRT (nicotine patch + nicotine mini-lozenges)",
          "type": "DRUG"
        },
        {
          "name": "Intensive In-Person Cessation Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Extended Maintenance Counseling Calls",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Automated Adherence Calls",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "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": 623,
      "start_date": "2015-01",
      "completion_date": "2018-02",
      "has_results": true,
      "last_update_posted_date": "2020-05-13",
      "last_synced_at": "2026-09-24T20:02:18.397Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02301403"
    },
    {
      "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": "2026-09-24T20:02:18.397Z",
      "location_count": 1,
      "location_summary": "Bloomington, Minnesota",
      "locations": [
        {
          "city": "Bloomington",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01584882"
    },
    {
      "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": "2026-09-24T20:02:18.397Z",
      "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": "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": "2026-09-24T20:02:18.397Z",
      "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": "NCT01615237",
      "title": "Dentistry United to Extinguish Tobacco",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use Treatment"
      ],
      "interventions": [
        {
          "name": "Audit and performance feedback (PF)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Financial Incentive (P4P)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Current Best Practices (CBP)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3207,
      "start_date": "2013-03-09",
      "completion_date": "2018-12-08",
      "has_results": false,
      "last_update_posted_date": "2019-02-15",
      "last_synced_at": "2026-09-24T20:02:18.397Z",
      "location_count": 2,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01615237"
    }
  ]
}