{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Smoking+Cigarette&page=2",
    "query": {
      "condition": "Smoking Cigarette",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Smoking+Cigarette&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-07-23T09:19:09.977Z",
  "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": "NCT00722124",
      "title": "S-Adenosyl-L-Methionine (SAMe) for Smoking Abstinence",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Tobacco Dependence"
      ],
      "interventions": [
        {
          "name": "S-Adenosyl-L-Methionine",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2008-09",
      "completion_date": "2010-06",
      "has_results": true,
      "last_update_posted_date": "2011-09-09",
      "last_synced_at": "2026-07-23T09:19:09.977Z",
      "location_count": 2,
      "location_summary": "Rochester, Minnesota • La Crosse, Wisconsin",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "La Crosse",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00722124"
    },
    {
      "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": "2026-07-23T09:19:09.977Z",
      "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": "NCT07455513",
      "title": "A Novel Tobacco Cessation Resource for Smokers With a Diagnosed or Suspected Thoracic Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking-Related Carcinoma",
        "Malignant Thoracic Neoplasm"
      ],
      "interventions": [
        {
          "name": "Electronic Health Record Review",
          "type": "OTHER"
        },
        {
          "name": "Informational Intervention",
          "type": "OTHER"
        },
        {
          "name": "Interview",
          "type": "OTHER"
        },
        {
          "name": "Referral",
          "type": "OTHER"
        },
        {
          "name": "Smoking Cessation Intervention",
          "type": "DEVICE"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DEVICE"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2026-02-25",
      "completion_date": "2027-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-15",
      "last_synced_at": "2026-07-23T09:19:09.977Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07455513"
    },
    {
      "nct_id": "NCT01299896",
      "title": "Connect to Quit for Smoking",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking",
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Coordinated Care",
          "type": "OTHER"
        },
        {
          "name": "Usual Care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 633,
      "start_date": "2011-03",
      "completion_date": "2015-02",
      "has_results": true,
      "last_update_posted_date": "2016-03-22",
      "last_synced_at": "2026-07-23T09:19:09.977Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01299896"
    },
    {
      "nct_id": "NCT06816459",
      "title": "Sensory Tests of Cigarettes for Identification of Flavors in Current Daily Smoking Adults",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Cigarette Smoking-Related Carcinoma"
      ],
      "interventions": [
        {
          "name": "Cigarette smell test",
          "type": "OTHER"
        },
        {
          "name": "Cigarette Taste Test",
          "type": "OTHER"
        },
        {
          "name": "Study questionnaires",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Roswell Park Cancer Institute",
      "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": 30,
      "start_date": "2025-10-14",
      "completion_date": "2027-10-14",
      "has_results": false,
      "last_update_posted_date": "2026-04-06",
      "last_synced_at": "2026-07-23T09:19:09.977Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06816459"
    },
    {
      "nct_id": "NCT03637452",
      "title": "Baby Albert: Electronic Cigarette Pharmacokinetics (PK) and Abuse Liability",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Tobacco Use"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Oklahoma",
      "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": 19,
      "start_date": "2018-11-12",
      "completion_date": "2019-05-23",
      "has_results": false,
      "last_update_posted_date": "2020-12-17",
      "last_synced_at": "2026-07-23T09:19:09.977Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03637452"
    },
    {
      "nct_id": "NCT03170674",
      "title": "CSD170501: Study to Assess Biomarkers of Tobacco Exposure in Smokers During In-Clinic Confinement Switch to an Electronic Cigarette",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking"
      ],
      "interventions": [
        {
          "name": "FT21039",
          "type": "OTHER"
        },
        {
          "name": "FT21092",
          "type": "OTHER"
        },
        {
          "name": "FT21018",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "RAI Services Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "21 Years to 60 Years"
      },
      "enrollment_count": 114,
      "start_date": "2017-05-15",
      "completion_date": "2017-08-18",
      "has_results": false,
      "last_update_posted_date": "2017-09-08",
      "last_synced_at": "2026-07-23T09:19:09.977Z",
      "location_count": 2,
      "location_summary": "Overland Park, Kansas • Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Overland Park",
          "state": "Kansas"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03170674"
    },
    {
      "nct_id": "NCT02870218",
      "title": "Abuse Liability of Reduced Nicotine Content Cigarettes in the Context of Concurrent E-Cigarette Use",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Nicotine Addiction",
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "Smoking research cigarettes with e-cigarette",
          "type": "DRUG"
        },
        {
          "name": "Nicotine discrimination thresholds",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Rose Research Center, LLC",
      "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": 150,
      "start_date": "2019-05-01",
      "completion_date": "2021-07-28",
      "has_results": false,
      "last_update_posted_date": "2022-01-14",
      "last_synced_at": "2026-07-23T09:19:09.977Z",
      "location_count": 2,
      "location_summary": "Charlotte, North Carolina • Raleigh, North Carolina",
      "locations": [
        {
          "city": "Charlotte",
          "state": "North Carolina"
        },
        {
          "city": "Raleigh",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02870218"
    },
    {
      "nct_id": "NCT06837220",
      "title": "Implementation of Tobacco Cessation Programming at Community Behavioral Health Sites",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nicotine Use Disorder",
        "Smoking Cessation",
        "Smoking Cessation Intervention"
      ],
      "interventions": [
        {
          "name": "Enhanced Courage to Quit",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "26 Years",
        "sex": "ALL",
        "summary": "18 Years to 26 Years"
      },
      "enrollment_count": 24,
      "start_date": "2026-07-20",
      "completion_date": "2027-05",
      "has_results": false,
      "last_update_posted_date": "2026-07-07",
      "last_synced_at": "2026-07-23T09:19:09.977Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06837220"
    },
    {
      "nct_id": "NCT04646174",
      "title": "Addressing Psychological Risk Factors Underlying Smoking Persistence in COPD Patients: The Fresh Start-II Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Copd",
        "Smoking Cessation",
        "Nicotine Dependence",
        "Tobacco Use",
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "Unified Protocol adapted for smoking cessation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "American Lung Association self-management strategies for smoking cessation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Rush University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 66,
      "start_date": "2020-12-14",
      "completion_date": "2022-12-31",
      "has_results": false,
      "last_update_posted_date": "2023-03-29",
      "last_synced_at": "2026-07-23T09:19:09.977Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04646174"
    }
  ]
}