{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cigarette+Smokers&page=10",
    "query": {
      "condition": "Cigarette Smokers",
      "page": 10
    },
    "page_size": 10
  },
  "pagination": {
    "page": 10,
    "page_size": 10,
    "total_count": 278,
    "total_pages": 28,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cigarette+Smokers&page=11&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cigarette+Smokers&page=9&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-07T07:33:55.450Z",
  "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": "NCT04237272",
      "title": "JUUL vs. Mod E-cigarette Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking",
        "Tobacco Use"
      ],
      "interventions": [
        {
          "name": "Pod System E-cig",
          "type": "OTHER"
        },
        {
          "name": "Customizable Tank E-cig",
          "type": "OTHER"
        },
        {
          "name": "Control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 31,
      "start_date": "2019-11-15",
      "completion_date": "2021-06-24",
      "has_results": true,
      "last_update_posted_date": "2022-12-21",
      "last_synced_at": "2026-10-07T07:33:55.450Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04237272"
    },
    {
      "nct_id": "NCT05825001",
      "title": "Evaluating the Episodic Future Thinking Intervention for Reducing Cigarette Consumption in Cigarette Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking-Related Carcinoma"
      ],
      "interventions": [
        {
          "name": "Smoking Cessation Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Smoking Cessation Intervention (control)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Medical Device Usage and Evaluation",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Roswell Park Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 104,
      "start_date": "2024-09-15",
      "completion_date": "2026-06-05",
      "has_results": false,
      "last_update_posted_date": "2026-06-22",
      "last_synced_at": "2026-10-07T07:33:55.450Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05825001"
    },
    {
      "nct_id": "NCT01989507",
      "title": "Very Low-Nicotine Cigarettes in Smokers With SUD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "Nicotine",
          "type": "DRUG"
        },
        {
          "name": "behavioral counseling for smoking cessation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Brown University",
      "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": 250,
      "start_date": "2014-04",
      "completion_date": "2021-05-31",
      "has_results": false,
      "last_update_posted_date": "2021-09-28",
      "last_synced_at": "2026-10-07T07:33:55.450Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01989507"
    },
    {
      "nct_id": "NCT05279053",
      "title": "Mapping Brain Glutamate in Humans: Sex Differences in Cigarette Smokers",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sex",
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "Abstinence and Smoking",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 58,
      "start_date": "2021-04-01",
      "completion_date": "2023-03-31",
      "has_results": true,
      "last_update_posted_date": "2026-03-20",
      "last_synced_at": "2026-10-07T07:33:55.450Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05279053"
    },
    {
      "nct_id": "NCT06644664",
      "title": "Nicotine and Tobacco Message Framing to Change Smoking Behavior in Diverse Groups of Young Adult Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco-Related Carcinoma"
      ],
      "interventions": [
        {
          "name": "Health Education",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Interview",
          "type": "OTHER"
        },
        {
          "name": "Smoking Cessation Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        },
        {
          "name": "Text Message-Based Navigation Intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Ohio State University Comprehensive 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": 292,
      "start_date": "2024-09-24",
      "completion_date": "2026-02-02",
      "has_results": false,
      "last_update_posted_date": "2026-03-30",
      "last_synced_at": "2026-10-07T07:33:55.450Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06644664"
    },
    {
      "nct_id": "NCT04161144",
      "title": "Enhancing Self Regulation Among Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Smoking Cessation",
        "Smoking, Cigarette",
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "sirolimus",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 22,
      "start_date": "2018-10-01",
      "completion_date": "2019-12-20",
      "has_results": true,
      "last_update_posted_date": "2021-03-09",
      "last_synced_at": "2026-10-07T07:33:55.450Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04161144"
    },
    {
      "nct_id": "NCT06296849",
      "title": "Dyadic Financial Incentive Treatments for Dual Smoker Couples",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Smoking, Cigarette"
      ],
      "interventions": [
        {
          "name": "Financial Incentive Treatment (FIT)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Oklahoma",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 900,
      "start_date": "2024-01-18",
      "completion_date": "2028-05",
      "has_results": false,
      "last_update_posted_date": "2026-04-29",
      "last_synced_at": "2026-10-07T07:33:55.450Z",
      "location_count": 2,
      "location_summary": "Athens, Georgia • Tulsa, Oklahoma",
      "locations": [
        {
          "city": "Athens",
          "state": "Georgia"
        },
        {
          "city": "Tulsa",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06296849"
    },
    {
      "nct_id": "NCT03031145",
      "title": "Investigation of the Impact of Smoking Status on Allergen-induced Nasal Airway Inflammation Using a Cat Hair (Felis Domesticus) Extract Nasal Allergen Challenge Model",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Tobacco Smoking",
        "Healthy Participants",
        "E-cigarette Smokers"
      ],
      "interventions": [
        {
          "name": "Felis Domesticus",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 0,
      "start_date": "2017-04-03",
      "completion_date": "2017-12-04",
      "has_results": false,
      "last_update_posted_date": "2021-05-07",
      "last_synced_at": "2026-10-07T07:33:55.450Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03031145"
    },
    {
      "nct_id": "NCT01216735",
      "title": "Effect of an Inhaled Glucocorticosteroid (ICS) on Endothelial Dysfunction in Cigarette Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Abuse Smoke"
      ],
      "interventions": [
        {
          "name": "Fluticasone",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Miami",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "30 Years to 65 Years"
      },
      "enrollment_count": 32,
      "start_date": "2008-09",
      "completion_date": "2010-09",
      "has_results": true,
      "last_update_posted_date": "2016-06-29",
      "last_synced_at": "2026-10-07T07:33:55.450Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01216735"
    },
    {
      "nct_id": "NCT04060446",
      "title": "Effects of Filter Ventilation on Sensory Response, Smoking Topography, and Inhalation in Current Every Day Cigarette Smokers",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cigarette Smoker",
        "Current Every Day Smoker"
      ],
      "interventions": [
        {
          "name": "Medical Device",
          "type": "DEVICE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Tobacco Smoking",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "Roswell Park Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "69 Years",
        "sex": "ALL",
        "summary": "18 Years to 69 Years"
      },
      "enrollment_count": 8,
      "start_date": "2019-06-06",
      "completion_date": "2020-03-02",
      "has_results": false,
      "last_update_posted_date": "2022-07-15",
      "last_synced_at": "2026-10-07T07:33:55.450Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04060446"
    }
  ]
}