{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=1-Call+Quitline+Counseling",
    "query": {
      "intervention": "1-Call Quitline Counseling"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 25,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=1-Call+Quitline+Counseling&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-18T05:59:37.427Z",
  "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": "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": "2026-09-18T05:59:37.427Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02873377"
    },
    {
      "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": "2026-09-18T05:59:37.427Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00851357"
    },
    {
      "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": "2026-09-18T05:59:37.427Z",
      "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": "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": "2026-09-18T05:59:37.427Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04311983"
    },
    {
      "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": "2026-09-18T05:59:37.427Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03538938"
    },
    {
      "nct_id": "NCT02997735",
      "title": "Parent eReferral to Tobacco Quitline",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Secondhand Smoke"
      ],
      "interventions": [
        {
          "name": "Quitline Delivered Treatment",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Children's Hospital of Philadelphia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 484,
      "start_date": "2017-01-11",
      "completion_date": "2018-08",
      "has_results": true,
      "last_update_posted_date": "2019-10-28",
      "last_synced_at": "2026-09-18T05:59:37.427Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02997735"
    },
    {
      "nct_id": "NCT01156610",
      "title": "Tobacco Treatment Outreach to Reduce Disparities for Primary Care Populations",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking",
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Tobacco Treatment",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 706,
      "start_date": "2011-11",
      "completion_date": "2014-03",
      "has_results": false,
      "last_update_posted_date": "2014-03-06",
      "last_synced_at": "2026-09-18T05:59:37.427Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01156610"
    },
    {
      "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": "2026-09-18T05:59:37.427Z",
      "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": "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": "2026-09-18T05:59:37.427Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04199117"
    },
    {
      "nct_id": "NCT00888992",
      "title": "Technology-Enhanced Quitline Services to Prevent Smoking Relapse",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Quitline Service + 10 automated monitoring calls",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Quitline service + 20 automated monitoring calls",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1785,
      "start_date": "2010-04",
      "completion_date": "2014-03",
      "has_results": false,
      "last_update_posted_date": "2015-04-03",
      "last_synced_at": "2026-09-18T05:59:37.427Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00888992"
    }
  ]
}