{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Smoking&page=14",
    "query": {
      "condition": "Smoking",
      "page": 14
    },
    "page_size": 10
  },
  "pagination": {
    "page": 14,
    "page_size": 10,
    "total_count": 2331,
    "total_pages": 234,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Smoking&page=15&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Smoking&page=13&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-20T10:12:30.460Z",
  "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": "NCT03749876",
      "title": "A Study of Unfiltered Cigarettes Among Committed Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking",
        "Tobacco Smoking"
      ],
      "interventions": [
        {
          "name": "Unfiltered Cigarettes",
          "type": "OTHER"
        },
        {
          "name": "Filtered Cigarettes",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "San Diego State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 37,
      "start_date": "2019-01-17",
      "completion_date": "2020-06-30",
      "has_results": false,
      "last_update_posted_date": "2020-10-22",
      "last_synced_at": "2026-10-20T10:12:30.460Z",
      "location_count": 1,
      "location_summary": "San Marcos, California",
      "locations": [
        {
          "city": "San Marcos",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03749876"
    },
    {
      "nct_id": "NCT00115674",
      "title": "To Examine Smoking Behavior of Prisoners - 1",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Smoking Behavior"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 100 Years · Female only"
      },
      "enrollment_count": 360,
      "start_date": "2002-09",
      "completion_date": "2008-03",
      "has_results": false,
      "last_update_posted_date": "2018-09-19",
      "last_synced_at": "2026-10-20T10:12:30.460Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00115674"
    },
    {
      "nct_id": "NCT05275582",
      "title": "Developing a Team-Delivered Intervention for Smoking and Hazardous Drinking for Primary Care Veterans With Cardiovascular Diseases",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Use",
        "Alcohol Use Above Recommended Limits",
        "Cardiovascular Risk Factors (e.g., Hypertension)",
        "Cardiovascular Diseases"
      ],
      "interventions": [
        {
          "name": "CARE",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 44,
      "start_date": "2022-05-13",
      "completion_date": "2024-04-30",
      "has_results": true,
      "last_update_posted_date": "2025-05-20",
      "last_synced_at": "2026-10-20T10:12:30.460Z",
      "location_count": 2,
      "location_summary": "Buffalo, New York • Syracuse, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        },
        {
          "city": "Syracuse",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05275582"
    },
    {
      "nct_id": "NCT05473585",
      "title": "Impact of New Standards for Tobacco Products Among Dual E-Cigarette/Combusted Cigarette Users - Project 2",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking",
        "Smoking, Cigarette",
        "E-Cig Use",
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "very low nicotine content cigarettes",
          "type": "OTHER"
        },
        {
          "name": "normal nicotine content cigarettes",
          "type": "OTHER"
        },
        {
          "name": "Study e-cigarette",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 7,
      "start_date": "2022-10-12",
      "completion_date": "2023-05-09",
      "has_results": false,
      "last_update_posted_date": "2023-07-19",
      "last_synced_at": "2026-10-20T10:12:30.460Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05473585"
    },
    {
      "nct_id": "NCT07161050",
      "title": "Effects of a Low Nicotine Standard and Tobacco Prices on Illegal Cigarette Purchasing",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking",
        "E-cigarette Use"
      ],
      "interventions": [
        {
          "name": "Nicotine Content",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Illegal cigarette price",
          "type": "BEHAVIORAL"
        },
        {
          "name": "E-cigarette price",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Virginia Polytechnic Institute and State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 70,
      "start_date": "2025-12-01",
      "completion_date": "2026-10-07",
      "has_results": false,
      "last_update_posted_date": "2026-01-16",
      "last_synced_at": "2026-10-20T10:12:30.460Z",
      "location_count": 1,
      "location_summary": "Roanoke, Virginia",
      "locations": [
        {
          "city": "Roanoke",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07161050"
    },
    {
      "nct_id": "NCT07693660",
      "title": "VergeRx for Smokers Not Ready to Quit",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use Cessation"
      ],
      "interventions": [
        {
          "name": "VergeRx",
          "type": "BEHAVIORAL"
        },
        {
          "name": "SmokefreeTXT",
          "type": "BEHAVIORAL"
        },
        {
          "name": "NRT Lozenge (Combination)",
          "type": "DRUG"
        },
        {
          "name": "Extended NRT Patch (16 weeks)",
          "type": "DRUG"
        },
        {
          "name": "Standard NRT Patch (8 weeks)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 592,
      "start_date": "2027-12-01",
      "completion_date": "2032-11-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-09",
      "last_synced_at": "2026-10-20T10:12:30.460Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07693660"
    },
    {
      "nct_id": "NCT00011323",
      "title": "Determining the Risk Factors Such as Smoking, Alcohol, and Caffeine and Their Association With Osteoporosis in Men",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Osteoporosis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "US Department of Veterans Affairs",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "50 Years and older · Male only"
      },
      "enrollment_count": 1000,
      "start_date": "1998-06",
      "completion_date": "2001-01",
      "has_results": false,
      "last_update_posted_date": "2009-01-21",
      "last_synced_at": "2026-10-20T10:12:30.460Z",
      "location_count": 1,
      "location_summary": "Jamaica Plain, Massachusetts",
      "locations": [
        {
          "city": "Jamaica Plain",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00011323"
    },
    {
      "nct_id": "NCT03881098",
      "title": "The Lung PCA: A Multi-Dimensional Atlas of Pulmonary Premalignancy",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Bronchoscopies",
          "type": "PROCEDURE"
        },
        {
          "name": "Sputum Sample",
          "type": "PROCEDURE"
        },
        {
          "name": "Venipuncture",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 240,
      "start_date": "2019-12-06",
      "completion_date": "2028-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-03",
      "last_synced_at": "2026-10-20T10:12:30.460Z",
      "location_count": 2,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03881098"
    },
    {
      "nct_id": "NCT00253747",
      "title": "Smoking Cessation for Adults With Attention Deficit Hyperactivity Disorder (ADHD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "ADHD",
        "Smoking"
      ],
      "interventions": [
        {
          "name": "Osmotic-Release Methylphenidate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 255,
      "start_date": "2005-11",
      "completion_date": "2008-03",
      "has_results": true,
      "last_update_posted_date": "2012-09-17",
      "last_synced_at": "2026-10-20T10:12:30.460Z",
      "location_count": 6,
      "location_summary": "Cambridge, Massachusetts • Rochester, Minnesota • New York, New York + 2 more",
      "locations": [
        {
          "city": "Cambridge",
          "state": "Massachusetts"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00253747"
    },
    {
      "nct_id": "NCT03974152",
      "title": "Effects of Nicotine Salt Aerosol on Cigarette Smokers",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Electronic Cigarette Use"
      ],
      "interventions": [
        {
          "name": "Subox Mini C with Avail 18 mg nicotine salt (protonated)",
          "type": "OTHER"
        },
        {
          "name": "Subox Mini C with Avail 18 mg nicotine (unprotonated)",
          "type": "OTHER"
        },
        {
          "name": "Own brand cigarette",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Eastern Virginia Medical School",
      "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": 11,
      "start_date": "2019-06-10",
      "completion_date": "2020-03-05",
      "has_results": true,
      "last_update_posted_date": "2024-03-26",
      "last_synced_at": "2026-10-20T10:12:30.460Z",
      "location_count": 1,
      "location_summary": "Norfolk, Virginia",
      "locations": [
        {
          "city": "Norfolk",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03974152"
    }
  ]
}