{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Smoking+Behavior&page=61",
    "query": {
      "condition": "Smoking Behavior",
      "page": 61
    },
    "page_size": 10
  },
  "pagination": {
    "page": 61,
    "page_size": 10,
    "total_count": 2082,
    "total_pages": 209,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Smoking+Behavior&page=62&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Smoking+Behavior&page=60&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-30T12:38:10.353Z",
  "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": "NCT01904526",
      "title": "PK/PD Comparison of Guanfacine ER and IR",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Smoking"
      ],
      "interventions": [
        {
          "name": "Guanfacine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 5,
      "start_date": "2013-07",
      "completion_date": "2016-12",
      "has_results": true,
      "last_update_posted_date": "2020-03-06",
      "last_synced_at": "2026-10-30T12:38:10.353Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01904526"
    },
    {
      "nct_id": "NCT03861078",
      "title": "The Effect of Electronic Cigarette Liquid Characteristics in Smokers.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Electronic Cigarettes"
      ],
      "interventions": [
        {
          "name": "Own Brand Cigarette",
          "type": "OTHER"
        },
        {
          "name": "ECIG 15 mg nicotine, sweetened",
          "type": "OTHER"
        },
        {
          "name": "ECIG 15 mg nicotine, unsweet",
          "type": "OTHER"
        },
        {
          "name": "ECIG 0 mg nicotine, sweetened",
          "type": "OTHER"
        },
        {
          "name": "ECIG 0 mg nicotine, unsweet",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Virginia Commonwealth University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "21 Years to 55 Years"
      },
      "enrollment_count": 22,
      "start_date": "2020-02-17",
      "completion_date": "2021-12-13",
      "has_results": true,
      "last_update_posted_date": "2022-12-23",
      "last_synced_at": "2026-10-30T12:38:10.353Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03861078"
    },
    {
      "nct_id": "NCT02421991",
      "title": "Telephone-Delivered Interventions for Smoking Cessation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking"
      ],
      "interventions": [
        {
          "name": "Telephone Delivered Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Fred Hutchinson 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": 1275,
      "start_date": "2015-11-02",
      "completion_date": "2019-12-31",
      "has_results": false,
      "last_update_posted_date": "2020-01-21",
      "last_synced_at": "2026-10-30T12:38:10.353Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02421991"
    },
    {
      "nct_id": "NCT00943618",
      "title": "Combining Varenicline and Bupropion for Smoking Cessation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Varenicline",
          "type": "DRUG"
        },
        {
          "name": "Bupropion",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Counseling/Phone Calls",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "25 Years to 70 Years"
      },
      "enrollment_count": 641,
      "start_date": "2010-05-17",
      "completion_date": "2021-09-09",
      "has_results": true,
      "last_update_posted_date": "2025-05-04",
      "last_synced_at": "2026-10-30T12:38:10.353Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00943618"
    },
    {
      "nct_id": "NCT05259566",
      "title": "Potential Impact of Menthol Ban in Cigarettes and E-cigarettes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Smoking"
      ],
      "interventions": [
        {
          "name": "menthol ban in cigarettes only",
          "type": "BEHAVIORAL"
        },
        {
          "name": "total menthol ban",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 151,
      "start_date": "2022-12-01",
      "completion_date": "2026-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-22",
      "last_synced_at": "2026-10-30T12:38:10.353Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05259566"
    },
    {
      "nct_id": "NCT01568905",
      "title": "Palatability of Experimental Cigarettes - Study 2",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking"
      ],
      "interventions": [
        {
          "name": "Low level nicotine cigarette",
          "type": "OTHER"
        },
        {
          "name": "Intermediate nicotine level cigarette",
          "type": "OTHER"
        },
        {
          "name": "High level nicotine cigarette",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 36,
      "start_date": "2011-02",
      "completion_date": "2012-03",
      "has_results": true,
      "last_update_posted_date": "2019-11-01",
      "last_synced_at": "2026-10-30T12:38:10.353Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01568905"
    },
    {
      "nct_id": "NCT00341341",
      "title": "Impact of Lung Cancer Diagnosis on Relatives' Understanding of Genetic Risk and Receptivity to Quit Smoking",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Human Genome Research Institute (NHGRI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 757,
      "start_date": "2004-12-07",
      "completion_date": "2010-07-16",
      "has_results": false,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-10-30T12:38:10.353Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00341341"
    },
    {
      "nct_id": "NCT00129272",
      "title": "Effectiveness of Bupropion for Treating Nicotine Dependence in Young People",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Tobacco Use Cessation",
        "Tobacco Use Disorder"
      ],
      "interventions": [
        {
          "name": "Bupropion-SR",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "National Institute on Drug Abuse (NIDA)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "12 Years to 25 Years"
      },
      "enrollment_count": 172,
      "start_date": "2004-05",
      "completion_date": "2011-01",
      "has_results": true,
      "last_update_posted_date": "2017-05-22",
      "last_synced_at": "2026-10-30T12:38:10.353Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00129272"
    },
    {
      "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": "2026-10-30T12:38:10.353Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02873377"
    },
    {
      "nct_id": "NCT00000457",
      "title": "Pharmacologic Relapse Prevention for Alcoholic Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Alcoholism",
        "Smoking"
      ],
      "interventions": [
        {
          "name": "bupropion (Wellbutrin)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 195,
      "start_date": "1998-06",
      "completion_date": "2007-08",
      "has_results": false,
      "last_update_posted_date": "2013-10-21",
      "last_synced_at": "2026-10-30T12:38:10.353Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00000457"
    }
  ]
}