{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Smoking+Behavior&page=64",
    "query": {
      "condition": "Smoking Behavior",
      "page": 64
    },
    "page_size": 10
  },
  "pagination": {
    "page": 64,
    "page_size": 10,
    "total_count": 2082,
    "total_pages": 209,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Smoking+Behavior&page=65&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Smoking+Behavior&page=63&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-30T17:43:51.133Z",
  "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": "NCT05231421",
      "title": "A Focus Group Study to Explore Smoking Triggers and Acceptability of Just-in-time Adaptive Intervent",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Smoking",
        "Smoking Cessation",
        "Smoking Behaviors"
      ],
      "interventions": [
        {
          "name": "Focus Group",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 2,
      "start_date": "2020-01-18",
      "completion_date": "2025-02-01",
      "has_results": false,
      "last_update_posted_date": "2025-02-07",
      "last_synced_at": "2026-10-30T17:43:51.133Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05231421"
    },
    {
      "nct_id": "NCT04009590",
      "title": "Quit4Health Intervention in Supporting Smoking Cessation and Preventing Smoking Initiation in Young Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking",
        "Current Smoker"
      ],
      "interventions": [
        {
          "name": "Educational Intervention",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Smoking Cessation Intervention",
          "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": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 579,
      "start_date": "2018-12-10",
      "completion_date": "2021-01-19",
      "has_results": false,
      "last_update_posted_date": "2021-01-22",
      "last_synced_at": "2026-10-30T17:43:51.133Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04009590"
    },
    {
      "nct_id": "NCT04898075",
      "title": "Quit Nicotine: E-Cig Cessation Intervention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "E-Cig Use"
      ],
      "interventions": [
        {
          "name": "Remote Contingency Management (CM) for nicotine abstinence",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "20 Years",
        "sex": "ALL",
        "summary": "13 Years to 20 Years"
      },
      "enrollment_count": 108,
      "start_date": "2021-04-01",
      "completion_date": "2025-01-10",
      "has_results": false,
      "last_update_posted_date": "2025-03-10",
      "last_synced_at": "2026-10-30T17:43:51.133Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04898075"
    },
    {
      "nct_id": "NCT04107779",
      "title": "Changes in Biomarkers of Cigarette Smoke Exposure After Switching Either Exclusively or Partly to JUUL ENDS",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Electronic Cigarette Use",
        "Cigarette Use, Electronic",
        "Tobacco Use",
        "Tobacco Smoking"
      ],
      "interventions": [
        {
          "name": "Switch from UB of Combustible Cigarette to JUUL 5% Virginia Tobacco ENDS",
          "type": "OTHER"
        },
        {
          "name": "Switch from UB of Combustible Cigarette to JUUL 3% Virginia Tobacco ENDS",
          "type": "OTHER"
        },
        {
          "name": "Switch from UB of Combustible Cigarette to JUUL 5% Mint ENDS",
          "type": "OTHER"
        },
        {
          "name": "Switch from UB of Combustible Cigarette to JUUL 3% Mint ENDS",
          "type": "OTHER"
        },
        {
          "name": "Switch from UB of Combustible Cigarette to JUUL 5% Menthol ENDS",
          "type": "OTHER"
        },
        {
          "name": "Switch from UB of Combustible Cigarette to JUUL 3% Menthol ENDS",
          "type": "OTHER"
        },
        {
          "name": "Switch from UB of Combustible Cigarette to JUUL 5% Mango ENDS",
          "type": "OTHER"
        },
        {
          "name": "Switch from UB of Combustible Cigarette to JUUL 3% Mango ENDS",
          "type": "OTHER"
        },
        {
          "name": "Switch to Dual-use of JUUL 5% and UB of Combustible Cigarette",
          "type": "OTHER"
        },
        {
          "name": "Tobacco/Nicotine Abstention",
          "type": "OTHER"
        },
        {
          "name": "Usual Brand of cigarettes",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Juul Labs, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 279,
      "start_date": "2019-09-17",
      "completion_date": "2020-06-24",
      "has_results": false,
      "last_update_posted_date": "2020-07-28",
      "last_synced_at": "2026-10-30T17:43:51.133Z",
      "location_count": 5,
      "location_summary": "Little Rock, Arkansas • Rogers, Arkansas • St Louis, Missouri + 2 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Rogers",
          "state": "Arkansas"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Dayton",
          "state": "Ohio"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04107779"
    },
    {
      "nct_id": "NCT01824511",
      "title": "Effects of Quitting Study A Test of Pre-clinical Findings",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking"
      ],
      "interventions": [
        {
          "name": "Smokers cease smoking",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Vermont",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 287,
      "start_date": "2013-04",
      "completion_date": "2015-09",
      "has_results": false,
      "last_update_posted_date": "2016-03-14",
      "last_synced_at": "2026-10-30T17:43:51.133Z",
      "location_count": 2,
      "location_summary": "Hanover, New Hampshire • Burlington, Vermont",
      "locations": [
        {
          "city": "Hanover",
          "state": "New Hampshire"
        },
        {
          "city": "Burlington",
          "state": "Vermont"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01824511"
    },
    {
      "nct_id": "NCT01532232",
      "title": "Tobacco Dependence in Breast Cancer Patients Trial of Varenicline (Chantix)",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer",
        "Tobacco Dependence"
      ],
      "interventions": [
        {
          "name": "placebo",
          "type": "DRUG"
        },
        {
          "name": "varenicline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": 7,
      "start_date": "2012-02",
      "completion_date": "2014-10",
      "has_results": false,
      "last_update_posted_date": "2015-12-23",
      "last_synced_at": "2026-10-30T17:43:51.133Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01532232"
    },
    {
      "nct_id": "NCT02192762",
      "title": "Withdrawal Exposure With Withdrawal Regulation Training for Smoking Cessation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Withdrawal regulation training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Relaxation training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2011-07",
      "completion_date": "2014-12",
      "has_results": false,
      "last_update_posted_date": "2022-01-13",
      "last_synced_at": "2026-10-30T17:43:51.133Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02192762"
    },
    {
      "nct_id": "NCT05878990",
      "title": "Quit & Fit 2.0: Feasibility and Usability Testing",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Culturally-tailored Tobacco Treatment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Culturally-tailored Content Newsletters",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control Preference Scale",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Active Content Newsletter or Passive Content Newsletter",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Hackensack Meridian Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "69 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 69 Years · Female only"
      },
      "enrollment_count": 22,
      "start_date": "2023-04-05",
      "completion_date": "2024-04-30",
      "has_results": true,
      "last_update_posted_date": "2024-10-17",
      "last_synced_at": "2026-10-30T17:43:51.133Z",
      "location_count": 1,
      "location_summary": "Nutley, New Jersey",
      "locations": [
        {
          "city": "Nutley",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05878990"
    },
    {
      "nct_id": "NCT05447897",
      "title": "Designing an Implementation Strategy for Lung Screening and Smoking Cessation Treatment in Community Health Centers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Qualitative Group Interviews",
          "type": "OTHER"
        },
        {
          "name": "Stakeholder advisory group",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 9,
      "start_date": "2022-12-01",
      "completion_date": "2023-05-31",
      "has_results": true,
      "last_update_posted_date": "2024-04-16",
      "last_synced_at": "2026-10-30T17:43:51.133Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05447897"
    },
    {
      "nct_id": "NCT01260597",
      "title": "Tobacco Quit Line Re-enrollments for the Underserved",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking"
      ],
      "interventions": [
        {
          "name": "IVR intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "IVR control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Consumer Wellness Solutions",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2985,
      "start_date": "2010-09",
      "completion_date": "2011-07",
      "has_results": false,
      "last_update_posted_date": "2015-08-11",
      "last_synced_at": "2026-10-30T17:43:51.133Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01260597"
    }
  ]
}