{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Smoking+cessation+counseling+delivered+by+telephone",
    "query": {
      "intervention": "Smoking cessation counseling delivered by telephone"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 39,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Smoking+cessation+counseling+delivered+by+telephone&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-11T08:53:18.754Z",
  "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": "NCT01106456",
      "title": "Smoking Cessation for American Indians",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "All Nations Breath of Life (ANBL)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Nontailored program (NT)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Pharmacotherapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "Won Choi, PhD, MPH",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 463,
      "start_date": "2010-09",
      "completion_date": "2014-07",
      "has_results": true,
      "last_update_posted_date": "2017-04-26",
      "last_synced_at": "2026-10-11T08:53:18.754Z",
      "location_count": 2,
      "location_summary": "Kansas City, Kansas • Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        },
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01106456"
    },
    {
      "nct_id": "NCT03082482",
      "title": "Smartphone-delivered Automated Video-assisted Smoking Treatment for People Living With HIV",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Self-help materials",
          "type": "BEHAVIORAL"
        },
        {
          "name": "nicotine patch",
          "type": "DRUG"
        },
        {
          "name": "Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Smartphone-delivered automated treatment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Oklahoma",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 20,
      "start_date": "2017-05-15",
      "completion_date": "2017-12-31",
      "has_results": false,
      "last_update_posted_date": "2018-04-11",
      "last_synced_at": "2026-10-11T08:53:18.754Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03082482"
    },
    {
      "nct_id": "NCT05956782",
      "title": "Breathe Easier II: A Dyad-based Multiple Behavior Intervention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lung Cancer, Nonsmall Cell",
        "COPD",
        "Self-Management",
        "Physical Inactivity",
        "Stress",
        "Quality of Life"
      ],
      "interventions": [
        {
          "name": "Breathe Easier",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2022-06-15",
      "completion_date": "2024-04-30",
      "has_results": false,
      "last_update_posted_date": "2024-05-08",
      "last_synced_at": "2026-10-11T08:53:18.754Z",
      "location_count": 1,
      "location_summary": "Columbia, South Carolina",
      "locations": [
        {
          "city": "Columbia",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05956782"
    },
    {
      "nct_id": "NCT02482233",
      "title": "The END Perioperative Smoking Pilot Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Smoking",
        "Nicotine Addiction",
        "Surgery"
      ],
      "interventions": [
        {
          "name": "ENDD (NJOY)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "NRT (NicoDerm CQ)",
          "type": "DRUG"
        },
        {
          "name": "telephone counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "brief advice",
          "type": "BEHAVIORAL"
        },
        {
          "name": "brochure",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "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": 30,
      "start_date": "2015-08",
      "completion_date": "2016-09",
      "has_results": true,
      "last_update_posted_date": "2022-03-09",
      "last_synced_at": "2026-10-11T08:53:18.754Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02482233"
    },
    {
      "nct_id": "NCT02601521",
      "title": "Comparative Effectiveness of Two Tobacco Cessation Interventions for Employees of Partners HealthCare, Inc.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation",
        "Tobacco Use Disorder"
      ],
      "interventions": [
        {
          "name": "Internal tobacco coach",
          "type": "BEHAVIORAL"
        },
        {
          "name": "External tobacco coach",
          "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": 106,
      "start_date": "2015-11",
      "completion_date": "2020-03",
      "has_results": false,
      "last_update_posted_date": "2021-02-24",
      "last_synced_at": "2026-10-11T08:53:18.754Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02601521"
    },
    {
      "nct_id": "NCT03603496",
      "title": "Post-Discharge Smoking Cessation Strategies: Helping HAND 4",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Transitional Tobacco Care Management (TTCM)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "eReferral to State Tobacco Quitline (QL)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Nicotine replacement therapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "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": 1416,
      "start_date": "2018-09-01",
      "completion_date": "2020-11-17",
      "has_results": true,
      "last_update_posted_date": "2022-05-05",
      "last_synced_at": "2026-10-11T08:53:18.754Z",
      "location_count": 3,
      "location_summary": "Boston, Massachusetts • Pittsburgh, Pennsylvania • Nashville, Tennessee",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03603496"
    },
    {
      "nct_id": "NCT00580398",
      "title": "Smoking Cessation Intervention for Thoracic Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Smoking cessation counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "varenicline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 49,
      "start_date": "2008-01",
      "completion_date": "2012-04",
      "has_results": true,
      "last_update_posted_date": "2018-10-12",
      "last_synced_at": "2026-10-11T08:53:18.754Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00580398"
    },
    {
      "nct_id": "NCT00991081",
      "title": "Behaviorally Enhanced Counseling on Nicotine Dependence (BEACON) Trial.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Smoking"
      ],
      "interventions": [
        {
          "name": "Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Self-help guide",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Pharmacotherapy",
          "type": "DRUG"
        },
        {
          "name": "Genetic feedback, verbal",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Genetic feedback, printed",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 36,
      "start_date": "2009-07",
      "completion_date": "2011-03",
      "has_results": true,
      "last_update_posted_date": "2012-09-19",
      "last_synced_at": "2026-10-11T08:53:18.754Z",
      "location_count": 3,
      "location_summary": "Menlo Park, California • Stanford, California • Seattle, Washington",
      "locations": [
        {
          "city": "Menlo Park",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00991081"
    },
    {
      "nct_id": "NCT07789132",
      "title": "Evaluation of Community Health Worker Support to Help People With Serious Mental Illness to Quit Smoking",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nicotine Dependance",
        "Serious Mental Illness",
        "Smoking (Tobacco) Addiction",
        "Tobacco Cessation",
        "Community Health Workers",
        "Cardiovascular (CV) Risk",
        "Tobacco Use Disorder"
      ],
      "interventions": [
        {
          "name": "Integrated CHW Support intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Enhanced usual care (EUC)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 937,
      "start_date": "2026-10-01",
      "completion_date": "2030-10",
      "has_results": false,
      "last_update_posted_date": "2026-08-27",
      "last_synced_at": "2026-10-11T08:53:18.754Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07789132"
    },
    {
      "nct_id": "NCT03552978",
      "title": "Tech and Telephone Smoking Cessation Treatment for Young Veterans With PTSD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Tech-Facilitated IC Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "VA Quitline",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 65,
      "start_date": "2019-02-13",
      "completion_date": "2023-12-31",
      "has_results": true,
      "last_update_posted_date": "2025-04-09",
      "last_synced_at": "2026-10-11T08:53:18.754Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03552978"
    }
  ]
}