{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Smoking&page=10",
    "query": {
      "condition": "Smoking",
      "page": 10
    },
    "page_size": 10
  },
  "pagination": {
    "page": 10,
    "page_size": 10,
    "total_count": 2331,
    "total_pages": 234,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Smoking&page=11&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Smoking&page=9&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-20T03:07:10.112Z",
  "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": "NCT00181909",
      "title": "Efficacy of Proactive Telephone Counseling for Pregnant Smokers Enrolled in a Managed Care Organization",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pregnancy",
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Smoking cessation counseling delivered by telephone",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 434,
      "start_date": "2001-09",
      "completion_date": "2005-06",
      "has_results": false,
      "last_update_posted_date": "2006-11-28",
      "last_synced_at": "2026-10-20T03:07:10.112Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts • Waltham, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Waltham",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00181909"
    },
    {
      "nct_id": "NCT02999399",
      "title": "Glucobrassicin-Brussel Sprout Effect on D10 Phe Metabolism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Smoking"
      ],
      "interventions": [
        {
          "name": "Brussel Sprouts",
          "type": "OTHER"
        },
        {
          "name": "Deuterated Phenanthrene",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Masonic Cancer Center, University of Minnesota",
      "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": 39,
      "start_date": "2016-12-01",
      "completion_date": "2021-03-22",
      "has_results": false,
      "last_update_posted_date": "2023-02-17",
      "last_synced_at": "2026-10-20T03:07:10.112Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02999399"
    },
    {
      "nct_id": "NCT05869318",
      "title": "Respiratory Effects of E-Cigarettes in Obese Youth",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "E-Cig Use"
      ],
      "interventions": [
        {
          "name": "ECIG own",
          "type": "OTHER"
        },
        {
          "name": "ECIG Vuse",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "21 Years to 25 Years"
      },
      "enrollment_count": 56,
      "start_date": "2023-04-04",
      "completion_date": "2025-06-24",
      "has_results": false,
      "last_update_posted_date": "2026-09-09",
      "last_synced_at": "2026-10-20T03:07:10.112Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05869318"
    },
    {
      "nct_id": "NCT00862927",
      "title": "Cue Reactivity in Virtual Reality: The Role of Context",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Smoking"
      ],
      "interventions": [
        {
          "name": "Breath Sample",
          "type": "OTHER"
        },
        {
          "name": "Saliva Sample",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire",
          "type": "BEHAVIORAL"
        },
        {
          "name": "View Virtual Reality Scenes",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 21,
      "start_date": "2009-03",
      "completion_date": "2011-07",
      "has_results": false,
      "last_update_posted_date": "2012-06-20",
      "last_synced_at": "2026-10-20T03:07:10.112Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00862927"
    },
    {
      "nct_id": "NCT01309217",
      "title": "Dissemination of Tobacco Tactics for Hospitalized Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Tobacco Tactics Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Usual Care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1528,
      "start_date": "2011-07",
      "completion_date": "2014-03",
      "has_results": false,
      "last_update_posted_date": "2014-11-18",
      "last_synced_at": "2026-10-20T03:07:10.112Z",
      "location_count": 6,
      "location_summary": "Grand Rapids, Michigan • Livonia, Michigan • Muskegon, Michigan + 2 more",
      "locations": [
        {
          "city": "Grand Rapids",
          "state": "Michigan"
        },
        {
          "city": "Livonia",
          "state": "Michigan"
        },
        {
          "city": "Muskegon",
          "state": "Michigan"
        },
        {
          "city": "Muskegon",
          "state": "Michigan"
        },
        {
          "city": "Oakland",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01309217"
    },
    {
      "nct_id": "NCT01093599",
      "title": "Trial on the Effectiveness of Mindfulness Training for Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "Quit Line plus MTS",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Quit Line Only",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "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": 196,
      "start_date": "2010-03",
      "completion_date": "2013-12",
      "has_results": true,
      "last_update_posted_date": "2015-10-20",
      "last_synced_at": "2026-10-20T03:07:10.112Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01093599"
    },
    {
      "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": "2026-10-20T03:07:10.112Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02601521"
    },
    {
      "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": "2026-10-20T03:07:10.112Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00580398"
    },
    {
      "nct_id": "NCT07840118",
      "title": "Smartphone-based Incentives Intervention to Increase Smoking Cessation During Pregnancy",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking During Pregnancy and Postpartum",
        "Perinatal Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "Best Practices",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Financial Incentives",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Vermont",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 137,
      "start_date": "2026-09",
      "completion_date": "2028-05",
      "has_results": false,
      "last_update_posted_date": "2026-09-24",
      "last_synced_at": "2026-10-20T03:07:10.112Z",
      "location_count": 1,
      "location_summary": "Burlington, Vermont",
      "locations": [
        {
          "city": "Burlington",
          "state": "Vermont"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07840118"
    },
    {
      "nct_id": "NCT05997225",
      "title": "Tobacco Cessation at FDNY",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Tobacco Use",
        "Tobacco Smoking",
        "Tobacco Use Cessation"
      ],
      "interventions": [
        {
          "name": "opt out enrollment, tailored counseling, varenicline started prior to target quit date",
          "type": "OTHER"
        },
        {
          "name": "opt in enrollment, non-tailored counseling, varenicline started prior to target quit date",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Albert Einstein College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 23,
      "start_date": "2024-05-31",
      "completion_date": "2025-10-13",
      "has_results": false,
      "last_update_posted_date": "2026-01-29",
      "last_synced_at": "2026-10-20T03:07:10.112Z",
      "location_count": 1,
      "location_summary": "Brooklyn, New York",
      "locations": [
        {
          "city": "Brooklyn",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05997225"
    }
  ]
}