{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=smoking+cessation+counseling&page=4",
    "query": {
      "intervention": "smoking cessation counseling",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 541,
    "total_pages": 55,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=smoking+cessation+counseling&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=smoking+cessation+counseling&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-08T15:12:27.523Z",
  "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": "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": "2026-10-08T15:12:27.523Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00580398"
    },
    {
      "nct_id": "NCT01723163",
      "title": "Abstinence Reinforcement Therapy (ART) for Rural Veteran Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Veteran",
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Abstinence Reinforcement Therapy (ART)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Telephone Counseling and NRT",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 310,
      "start_date": "2013-11-21",
      "completion_date": "2017-09",
      "has_results": true,
      "last_update_posted_date": "2019-03-01",
      "last_synced_at": "2026-10-08T15:12:27.523Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01723163"
    },
    {
      "nct_id": "NCT04988477",
      "title": "Proactive Outreach for Smoking Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Smoking, Tobacco",
        "Mental Illness"
      ],
      "interventions": [
        {
          "name": "Study 3: Chronic care management",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Study 2: Pilot trial",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Sandra Japuntich",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 94,
      "start_date": "2021-07-14",
      "completion_date": "2023-01-27",
      "has_results": true,
      "last_update_posted_date": "2025-12-08",
      "last_synced_at": "2026-10-08T15:12:27.523Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04988477"
    },
    {
      "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": "2026-10-08T15:12:27.523Z",
      "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": "NCT02099097",
      "title": "Quit IT: Preliminary Testing of a Web-based, 3D Coping Skills Game to Increase Quitting Self-Efficacy for Maintaining Smoking Abstinence Following Hospitalization",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use Cessation"
      ],
      "interventions": [
        {
          "name": "web-based video game (Quit IT)",
          "type": "OTHER"
        },
        {
          "name": "Questionnaires",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Salvia sample",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "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": "2014-03-24",
      "completion_date": "2020-12-24",
      "has_results": false,
      "last_update_posted_date": "2020-12-30",
      "last_synced_at": "2026-10-08T15:12:27.523Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02099097"
    },
    {
      "nct_id": "NCT01423578",
      "title": "Effects of Yoga and Cardiovascular Exercise on Smoking Motivation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Dependence"
      ],
      "interventions": [
        {
          "name": "Hatha Yoga (HY)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cardiovascular Exercise (CE)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Smoking Cessation Counseling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "H. Lee Moffitt Cancer Center and Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 79,
      "start_date": "2007-08-21",
      "completion_date": "2017-06-20",
      "has_results": false,
      "last_update_posted_date": "2017-06-26",
      "last_synced_at": "2026-10-08T15:12:27.523Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01423578"
    },
    {
      "nct_id": "NCT02683161",
      "title": "Pre to Postoperative Smoking Cessation",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cigarette Smoking",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Varenicline",
          "type": "DRUG"
        },
        {
          "name": "Contingency Management",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Behavioral Counseling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 5,
      "start_date": "2015-10",
      "completion_date": "2017-07",
      "has_results": true,
      "last_update_posted_date": "2018-07-17",
      "last_synced_at": "2026-10-08T15:12:27.523Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02683161"
    },
    {
      "nct_id": "NCT03413423",
      "title": "Post Acute Cardiac Event Smoking (PACES) Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Acute Coronary Syndrome",
        "Tobacco Use"
      ],
      "interventions": [
        {
          "name": "BAT-CS",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Smoking Cessation and Health & Wellness",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Hennepin Healthcare Research Institute",
      "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": 233,
      "start_date": "2018-01-29",
      "completion_date": "2026-05-30",
      "has_results": false,
      "last_update_posted_date": "2025-09-15",
      "last_synced_at": "2026-10-08T15:12:27.523Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03413423"
    },
    {
      "nct_id": "NCT02836067",
      "title": "Impact of Smoking and Its Cessation on Systemic and Airway Immune Activation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV",
        "Smoking"
      ],
      "interventions": [
        {
          "name": "Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Smoking Cessation drugs",
          "type": "OTHER"
        },
        {
          "name": "Bronchoscopy",
          "type": "PROCEDURE"
        },
        {
          "name": "Blood Draw",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaires",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Boston Medical Center",
      "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": 53,
      "start_date": "2017-06-15",
      "completion_date": "2023-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-01-05",
      "last_synced_at": "2026-10-08T15:12:27.523Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02836067"
    },
    {
      "nct_id": "NCT03720899",
      "title": "Comparing NicoBloc to Nicotine Lozenges",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Smoking Cessation",
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "NicoBloc",
          "type": "DRUG"
        },
        {
          "name": "Nicotine Lozenge",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 45,
      "start_date": "2019-03-21",
      "completion_date": "2021-03-03",
      "has_results": true,
      "last_update_posted_date": "2025-04-08",
      "last_synced_at": "2026-10-08T15:12:27.523Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03720899"
    }
  ]
}