{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=4-Call+Quitline+Counseling",
    "query": {
      "intervention": "4-Call Quitline Counseling"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 18,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=4-Call+Quitline+Counseling&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-11T01:01:28.265Z",
  "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": "2026-09-11T01:01:28.265Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04199117"
    },
    {
      "nct_id": "NCT04311983",
      "title": "Interventions to Help More Low-income Smokers Quit",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use Cessation",
        "Smoking Behaviors",
        "Health Disparity"
      ],
      "interventions": [
        {
          "name": "Tobacco Quitline",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Smoke Free Home",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 1973,
      "start_date": "2020-03-31",
      "completion_date": "2023-09-29",
      "has_results": true,
      "last_update_posted_date": "2024-10-10",
      "last_synced_at": "2026-09-11T01:01:28.265Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04311983"
    },
    {
      "nct_id": "NCT07419425",
      "title": "My Path to Quit Tobacco",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Nicotine patch",
          "type": "DRUG"
        },
        {
          "name": "Quitline Counseling Phone Calls",
          "type": "OTHER"
        },
        {
          "name": "Counseling Sessions",
          "type": "OTHER"
        },
        {
          "name": "Pathways to Freedom",
          "type": "OTHER"
        },
        {
          "name": "Monetary Incentive",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 1550,
      "start_date": "2026-07-06",
      "completion_date": "2030-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-23",
      "last_synced_at": "2026-09-11T01:01:28.265Z",
      "location_count": 5,
      "location_summary": "Phoenix, Arizona • Indianapolis, Indiana • Kansas City, Kansas + 2 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Kansas City",
          "state": "Kansas"
        },
        {
          "city": "Richmond",
          "state": "Virginia"
        },
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07419425"
    },
    {
      "nct_id": "NCT05671380",
      "title": "A Pragmatic Trial of Chronic Disease Approaches to Ameliorate Tobacco Related Cardiovascular Disease Health Disparities",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use Cessation",
        "Cardiovascular Diseases",
        "Tobacco Use",
        "Smoking",
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Longitudinal Proactive Outreach (LPO).",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Ask-Advice-Connect (AAC)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 700,
      "start_date": "2023-05-05",
      "completion_date": "2028-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-13",
      "last_synced_at": "2026-09-11T01:01:28.265Z",
      "location_count": 3,
      "location_summary": "Minneapolis, Minnesota • Rochester, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05671380"
    },
    {
      "nct_id": "NCT04974580",
      "title": "Research and Innovation to Stop E-cigarette/Vaping in Young Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Nicotine Dependence",
        "E-Cig Use"
      ],
      "interventions": [
        {
          "name": "Nicotine patch",
          "type": "DRUG"
        },
        {
          "name": "Phone Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Digital Coaching",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "24 Years",
        "sex": "ALL",
        "summary": "18 Years to 24 Years"
      },
      "enrollment_count": 508,
      "start_date": "2021-07-28",
      "completion_date": "2022-12-30",
      "has_results": true,
      "last_update_posted_date": "2024-07-29",
      "last_synced_at": "2026-09-11T01:01:28.265Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04974580"
    },
    {
      "nct_id": "NCT03612895",
      "title": "Proactive Population Health Strategy to Offer Tobacco Dependence Treatment to Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking, Tobacco"
      ],
      "interventions": [
        {
          "name": "Internal Care Coordination",
          "type": "BEHAVIORAL"
        },
        {
          "name": "External Community Referral",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Usual Care",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 234,
      "start_date": "2016-04",
      "completion_date": "2017-08",
      "has_results": false,
      "last_update_posted_date": "2018-08-02",
      "last_synced_at": "2026-09-11T01:01:28.265Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03612895"
    },
    {
      "nct_id": "NCT07210567",
      "title": "Mindfulness-based Ecological Momentary Intervention for Smoking Cessation Among Cancer Survivors",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Mindfulness",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Quitline",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Rutgers, The State University of New Jersey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2026-01-27",
      "completion_date": "2028-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-04",
      "last_synced_at": "2026-09-11T01:01:28.265Z",
      "location_count": 1,
      "location_summary": "New Brunswick, New Jersey",
      "locations": [
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07210567"
    },
    {
      "nct_id": "NCT03096145",
      "title": "Support Person Intervention to Promote a Smoking Helpline Among Under Resourced Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Cessation"
      ],
      "interventions": [
        {
          "name": "Telephone counseling 1 session",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Mobile texting",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Health incentive",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "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": 60,
      "start_date": "2017-05-01",
      "completion_date": "2019-08-24",
      "has_results": false,
      "last_update_posted_date": "2019-12-11",
      "last_synced_at": "2026-09-11T01:01:28.265Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03096145"
    },
    {
      "nct_id": "NCT04038255",
      "title": "Mindfulness Based Smoking Cessation Among Cancer Survivors",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Tobacco Smoking"
      ],
      "interventions": [
        {
          "name": "Nicoderm C-Q Transdermal Product",
          "type": "DRUG"
        },
        {
          "name": "Orientation session",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Craving-to-Quit app",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Two brief follow-up phone calls",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Group MT sessions",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Brief advice on quitting smoking",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Self-help smoking cessation materials",
          "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": 20,
      "start_date": "2019-09-28",
      "completion_date": "2024-05-19",
      "has_results": true,
      "last_update_posted_date": "2025-09-09",
      "last_synced_at": "2026-09-11T01:01:28.265Z",
      "location_count": 2,
      "location_summary": "Miami, Florida • Memphis, Tennessee",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04038255"
    },
    {
      "nct_id": "NCT00851357",
      "title": "Telephone Counseling and the Distribution of Nicotine Patches to Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Nicotine Patch",
          "type": "DRUG"
        },
        {
          "name": "Telephone Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Self-Help Materials",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4200,
      "start_date": "2009-02",
      "completion_date": "2011-12",
      "has_results": true,
      "last_update_posted_date": "2020-02-13",
      "last_synced_at": "2026-09-11T01:01:28.265Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00851357"
    }
  ]
}