{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Adult+Smokers",
    "query": {
      "condition": "Adult Smokers"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 87,
    "total_pages": 9,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Adult+Smokers&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-09T05:57:11.453Z",
  "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": "NCT06477601",
      "title": "Cooling Agent Pilot Among Adult Menthol Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Dependence"
      ],
      "interventions": [
        {
          "name": "Assigning cooling agent type cigarettes",
          "type": "OTHER"
        },
        {
          "name": "Assigning traditional tobacco type cigarettes",
          "type": "OTHER"
        },
        {
          "name": "Assigning menthol type cigarettes",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Kansas Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 21,
      "start_date": "2024-06-24",
      "completion_date": "2024-10-01",
      "has_results": false,
      "last_update_posted_date": "2025-04-06",
      "last_synced_at": "2026-09-09T05:57:11.453Z",
      "location_count": 1,
      "location_summary": "Kansas City, Missouri",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06477601"
    },
    {
      "nct_id": "NCT05431387",
      "title": "A Study of Cytisinicline for Vaping Cessation in Adult Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Vaping",
        "E-Cig Use"
      ],
      "interventions": [
        {
          "name": "cytisinicline",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Behavioral support",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Achieve Life Sciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 160,
      "start_date": "2022-07-13",
      "completion_date": "2023-02-28",
      "has_results": true,
      "last_update_posted_date": "2026-01-14",
      "last_synced_at": "2026-09-09T05:57:11.453Z",
      "location_count": 5,
      "location_summary": "Lexington, Kentucky • Boston, Massachusetts • Rochester, New York + 2 more",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Rochester",
          "state": "New York"
        },
        {
          "city": "North Charleston",
          "state": "South Carolina"
        },
        {
          "city": "Knoxville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05431387"
    },
    {
      "nct_id": "NCT04194918",
      "title": "Flexiquit+: Web Program to Promote Smoking Cessation in Sexual and Gender Minority Young Adult Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Tobacco Use Disorder"
      ],
      "interventions": [
        {
          "name": "Computer-Assisted Smoking Cessation Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Text Message",
          "type": "OTHER"
        },
        {
          "name": "Handout",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Fred Hutchinson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 25,
      "start_date": "2020-05-18",
      "completion_date": "2020-09-01",
      "has_results": false,
      "last_update_posted_date": "2020-10-05",
      "last_synced_at": "2026-09-09T05:57:11.453Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04194918"
    },
    {
      "nct_id": "NCT00227786",
      "title": "Primary Care Physicians' Use of Stop-Smoking Plans to Help Patients Who Are Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use Disorder",
        "Unspecified Adult Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "smoking cessation intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "counseling intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Kaiser Permanente",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 344,
      "start_date": "2003-01",
      "completion_date": "2006-05",
      "has_results": false,
      "last_update_posted_date": "2013-08-16",
      "last_synced_at": "2026-09-09T05:57:11.453Z",
      "location_count": 5,
      "location_summary": "Aurora, Colorado • Honolulu, Hawaii • Boston, Massachusetts + 1 more",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Honolulu",
          "state": "Hawaii"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00227786"
    },
    {
      "nct_id": "NCT06745154",
      "title": "Evaluating the Impact of Quitting Using Executive Function Strategy Training (QUEST) on Smoking Cessation in Homeless Young Adult Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking-Related Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Cognitive Assessment",
          "type": "PROCEDURE"
        },
        {
          "name": "Interview",
          "type": "OTHER"
        },
        {
          "name": "Nicotine Replacement",
          "type": "DRUG"
        },
        {
          "name": "Smoking Cessation Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        },
        {
          "name": "Tobacco Cessation Counseling",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER",
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "24 Years",
        "sex": "ALL",
        "summary": "18 Years to 24 Years"
      },
      "enrollment_count": 27,
      "start_date": "2023-06-26",
      "completion_date": "2023-08-30",
      "has_results": false,
      "last_update_posted_date": "2024-12-20",
      "last_synced_at": "2026-09-09T05:57:11.453Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06745154"
    },
    {
      "nct_id": "NCT03559751",
      "title": "Evaluation of the Abuse Liability of Very Low Nicotine (VLN) Cigarettes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Tobacco Use"
      ],
      "interventions": [
        {
          "name": "VLN cigarettes (A)",
          "type": "OTHER"
        },
        {
          "name": "Usual Brand Cigarettes (B)",
          "type": "OTHER"
        },
        {
          "name": "Nicotine gum (C)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "22nd Century Group, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "22 Years to 65 Years"
      },
      "enrollment_count": 66,
      "start_date": "2018-04-13",
      "completion_date": "2018-09-06",
      "has_results": false,
      "last_update_posted_date": "2020-03-26",
      "last_synced_at": "2026-09-09T05:57:11.453Z",
      "location_count": 1,
      "location_summary": "Overland Park, Kansas",
      "locations": [
        {
          "city": "Overland Park",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03559751"
    },
    {
      "nct_id": "NCT00278226",
      "title": "Motivational Program for Smokers Enrolled in a Methadone Maintenance Program",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Unspecified Adult Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "smoking cessation intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "educational intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Butler 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": 398,
      "start_date": "2001-06",
      "completion_date": "2004-10",
      "has_results": false,
      "last_update_posted_date": "2010-03-24",
      "last_synced_at": "2026-09-09T05:57:11.453Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00278226"
    },
    {
      "nct_id": "NCT04800211",
      "title": "Biomarkers of Exposure and Biomarkers of Potential Harm in Adult Smokers Who Completely Switch to E-vapor Products",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use"
      ],
      "interventions": [
        {
          "name": "Experimental: Test Product 1",
          "type": "OTHER"
        },
        {
          "name": "Experimental: Test Product 2",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Altria Client Services LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "30 Years to 65 Years"
      },
      "enrollment_count": 450,
      "start_date": "2017-01-17",
      "completion_date": "2018-11-06",
      "has_results": true,
      "last_update_posted_date": "2025-03-12",
      "last_synced_at": "2026-09-09T05:57:11.453Z",
      "location_count": 10,
      "location_summary": "Burbank, California • Wichita, Kansas • Lexington, Kentucky + 7 more",
      "locations": [
        {
          "city": "Burbank",
          "state": "California"
        },
        {
          "city": "Wichita",
          "state": "Kansas"
        },
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Springfield",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04800211"
    },
    {
      "nct_id": "NCT00340483",
      "title": "Smoking Cessation Aid for Young Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Smoking cessation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "22 Years",
        "sex": "ALL",
        "summary": "18 Years to 22 Years"
      },
      "enrollment_count": 291,
      "start_date": "2004-05-25",
      "completion_date": "2006-12-14",
      "has_results": false,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-09-09T05:57:11.453Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00340483"
    },
    {
      "nct_id": "NCT05278065",
      "title": "E-cigarettes for Harm Reduction in Adults With Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking",
        "Asthma",
        "Electronic Cigarette Use",
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "Nicotine",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Brown University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 17,
      "start_date": "2022-05-01",
      "completion_date": "2024-09-12",
      "has_results": true,
      "last_update_posted_date": "2025-11-18",
      "last_synced_at": "2026-09-09T05:57:11.453Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05278065"
    }
  ]
}