{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Telephone+Quitline+Enrollment",
    "query": {
      "intervention": "Telephone Quitline Enrollment"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 11,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Telephone+Quitline+Enrollment&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-13T08:11:22.682Z",
  "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": "NCT04199117",
      "title": "Health Systems Reach Interventions Project",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Smoking, Cigarette",
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Varenicline",
          "type": "DRUG"
        },
        {
          "name": "Combination nicotine patch and nicotine mini-lozenge treatment",
          "type": "DRUG"
        },
        {
          "name": "Monetary incentives for initiating treatment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Automated tailored outreach",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Care management",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Wisconsin Tobacco Quit Line referral",
          "type": "OTHER"
        },
        {
          "name": "Primary care provider referral",
          "type": "OTHER"
        },
        {
          "name": "Untailored outreach",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Multiple smoking cessation coaching calls",
          "type": "BEHAVIORAL"
        }
      ],
      "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": 210,
      "start_date": "2020-03-11",
      "completion_date": "2024-10-16",
      "has_results": true,
      "last_update_posted_date": "2025-09-24",
      "last_synced_at": "2026-09-13T08:11:22.682Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04199117"
    },
    {
      "nct_id": "NCT02896400",
      "title": "Optimizing Tobacco Dependence Treatment in the Emergency Department",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Tobacco Use Disorder"
      ],
      "interventions": [
        {
          "name": "Brief Negotiated Interview (BNI)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Nicotine replacement therapy (NRT)",
          "type": "DRUG"
        },
        {
          "name": "CT Smokers Quitline (QL)",
          "type": "OTHER"
        },
        {
          "name": "SmokefreeText (Text)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG",
        "OTHER"
      ],
      "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": 1056,
      "start_date": "2017-02-13",
      "completion_date": "2019-08-14",
      "has_results": true,
      "last_update_posted_date": "2020-12-04",
      "last_synced_at": "2026-09-13T08:11:22.682Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02896400"
    },
    {
      "nct_id": "NCT03538938",
      "title": "Improving Quitline Support Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Tobacco Use Cessation"
      ],
      "interventions": [
        {
          "name": "1-Call Quitline Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "4-Call Quitline Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Nicotine patch",
          "type": "DRUG"
        },
        {
          "name": "Nicotine Patch and Nicotine Lozenge",
          "type": "DRUG"
        },
        {
          "name": "SmokefreeTXT",
          "type": "BEHAVIORAL"
        },
        {
          "name": "No SmokefreeTXT",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Financial Incentives for Treatment Engagement",
          "type": "BEHAVIORAL"
        },
        {
          "name": "No Financial Incentives for Treatment Engagement",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1316,
      "start_date": "2018-06-07",
      "completion_date": "2023-08-15",
      "has_results": true,
      "last_update_posted_date": "2024-07-12",
      "last_synced_at": "2026-09-13T08:11:22.682Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03538938"
    },
    {
      "nct_id": "NCT04675515",
      "title": "CORE: CO Monitoring for Reach and Efficacy in Tobacco Treatment for Cancer Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use",
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Intensive Tobacco Treatment",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Dartmouth-Hitchcock Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2,
      "start_date": "2021-01-19",
      "completion_date": "2024-02-16",
      "has_results": false,
      "last_update_posted_date": "2025-07-14",
      "last_synced_at": "2026-09-13T08:11:22.682Z",
      "location_count": 1,
      "location_summary": "Lebanon, New Hampshire",
      "locations": [
        {
          "city": "Lebanon",
          "state": "New Hampshire"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04675515"
    },
    {
      "nct_id": "NCT05683821",
      "title": "BREATHE 2 Clinic Stop-Smoking Treatment Outreach Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Quitting Smoking",
        "Smoking Cessation",
        "Smoking, Cigarette"
      ],
      "interventions": [
        {
          "name": "Text message smoking treatment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Nicotine replacement therapy sampling",
          "type": "DRUG"
        },
        {
          "name": "Wisconsin Tobacco QuitLine Referral",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Referral to Primary Care Provider",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "BREATHE 2 Cessation Study",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Additional modalities to learn about and request treatment",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG",
        "COMBINATION_PRODUCT"
      ],
      "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": 12376,
      "start_date": "2023-07-24",
      "completion_date": "2025-05-07",
      "has_results": true,
      "last_update_posted_date": "2026-06-26",
      "last_synced_at": "2026-09-13T08:11:22.682Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05683821"
    },
    {
      "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": "2026-09-13T08:11:22.682Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05641974"
    },
    {
      "nct_id": "NCT05829824",
      "title": "Tobacco Cessation Care for Cancer Patients by Automated Interactive Outreach",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cancer",
        "Tobacco Dependence",
        "Tobacco Use Cessation"
      ],
      "interventions": [
        {
          "name": "CareConnect",
          "type": "BEHAVIORAL"
        },
        {
          "name": "AutoReach",
          "type": "OTHER"
        },
        {
          "name": "Biospecimen samples",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "University of California, San Francisco",
      "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": "2023-11-27",
      "completion_date": "2025-08-15",
      "has_results": false,
      "last_update_posted_date": "2026-02-13",
      "last_synced_at": "2026-09-13T08:11:22.682Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05829824"
    },
    {
      "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": "2026-09-13T08:11:22.682Z",
      "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": "NCT02873377",
      "title": "Smoking Cessation in Hispanic Construction Workers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Nicorette Gum",
          "type": "DRUG"
        },
        {
          "name": "Nicoderm CQ",
          "type": "DRUG"
        },
        {
          "name": "Smoking Quitline Referral",
          "type": "OTHER"
        },
        {
          "name": "Behavioral Smoking Cessation Counseling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "University of Miami",
      "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": 134,
      "start_date": "2017-04-13",
      "completion_date": "2018-10-11",
      "has_results": true,
      "last_update_posted_date": "2019-11-07",
      "last_synced_at": "2026-09-13T08:11:22.682Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02873377"
    },
    {
      "nct_id": "NCT05362318",
      "title": "Project HEALS (Helping and Empowering pAtients for Living a Life Smoke-free",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking",
        "Tobacco Use",
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Nicotine patch and lozenges",
          "type": "DRUG"
        },
        {
          "name": "Telephone counseling sessions",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Access to a web-based video",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Florida Tobacco Quitline",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "H. Lee Moffitt Cancer Center and Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 21,
      "start_date": "2021-06-07",
      "completion_date": "2023-01-28",
      "has_results": false,
      "last_update_posted_date": "2026-04-06",
      "last_synced_at": "2026-09-13T08:11:22.682Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05362318"
    }
  ]
}