{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cigarette+Use&page=11",
    "query": {
      "condition": "Cigarette Use",
      "page": 11
    },
    "page_size": 10
  },
  "pagination": {
    "page": 11,
    "page_size": 10,
    "total_count": 687,
    "total_pages": 69,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cigarette+Use&page=12&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cigarette+Use&page=10&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-27T05:29:11.015Z",
  "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": "NCT03077737",
      "title": "Reducing Tobacco Use Disparities Among Low-Income Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking",
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "Choose to Change",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Enhanced usual care",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 190,
      "start_date": "2017-04-21",
      "completion_date": "2018-08-31",
      "has_results": true,
      "last_update_posted_date": "2022-01-21",
      "last_synced_at": "2026-10-27T05:29:11.015Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03077737"
    },
    {
      "nct_id": "NCT06159608",
      "title": "Sex Differences in the Vascular Effects of E-cigarette Use",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "E-cigarette Use"
      ],
      "interventions": [
        {
          "name": "Local heating + L-NAME (NG-nitro-L-arginine methyl ester; nitric oxide synthase inhibitor)",
          "type": "DRUG"
        },
        {
          "name": "Chronic estrogen exposure",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Anna Stanhewicz, PhD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "24 Years",
        "sex": "ALL",
        "summary": "18 Years to 24 Years"
      },
      "enrollment_count": 80,
      "start_date": "2023-12-02",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2025-12-15",
      "last_synced_at": "2026-10-27T05:29:11.015Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06159608"
    },
    {
      "nct_id": "NCT03839043",
      "title": "Short Messaging Service Program to Help Quit Smoking During Perioperative Period.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use Cessation",
        "Perioperative/Postoperative Complications",
        "Tobacco Smoking"
      ],
      "interventions": [
        {
          "name": "Brief behavioral intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "SMS Program",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "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": 100,
      "start_date": "2019-03-18",
      "completion_date": "2021-06-11",
      "has_results": false,
      "last_update_posted_date": "2021-07-09",
      "last_synced_at": "2026-10-27T05:29:11.015Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03839043"
    },
    {
      "nct_id": "NCT06027840",
      "title": "Concurrent vs. Sequential Cessation of Dual Cigarette and E-cigarette Use",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cigarette Smoking",
        "E-Cigarette Use",
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Varenicline",
          "type": "DRUG"
        },
        {
          "name": "Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Guided Self-Change Booklets",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 19,
      "start_date": "2024-04-01",
      "completion_date": "2025-11-30",
      "has_results": false,
      "last_update_posted_date": "2026-06-08",
      "last_synced_at": "2026-10-27T05:29:11.015Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06027840"
    },
    {
      "nct_id": "NCT05740098",
      "title": "Financial Incentives for Smoking Cessation Among Mothers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "Best Practices",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Financial Incentives",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Nicotine Replacement Therapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "University of Vermont",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 198,
      "start_date": "2015-06",
      "completion_date": "2020-10",
      "has_results": true,
      "last_update_posted_date": "2023-07-28",
      "last_synced_at": "2026-10-27T05:29:11.015Z",
      "location_count": 1,
      "location_summary": "Burlington, Vermont",
      "locations": [
        {
          "city": "Burlington",
          "state": "Vermont"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05740098"
    },
    {
      "nct_id": "NCT02538601",
      "title": "Enhanced Smoking Cessation Intervention for Smokers Exposed to the World Trade Center (WTC) Disaster",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking",
        "Post Traumatic Stress Disorder",
        "Signs and Symptoms, Respiratory"
      ],
      "interventions": [
        {
          "name": "CBT-A",
          "type": "BEHAVIORAL"
        },
        {
          "name": "CBT-S",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Stony Brook University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 90,
      "start_date": "2012-02",
      "completion_date": "2014-11",
      "has_results": false,
      "last_update_posted_date": "2015-09-02",
      "last_synced_at": "2026-10-27T05:29:11.015Z",
      "location_count": 1,
      "location_summary": "Stony Brook, New York",
      "locations": [
        {
          "city": "Stony Brook",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02538601"
    },
    {
      "nct_id": "NCT03168191",
      "title": "Flavors and E-cigarette Effects in Adolescent Smokers- STUDY 2",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "Nicotine",
          "type": "DRUG"
        },
        {
          "name": "Experimental Flavor",
          "type": "OTHER"
        },
        {
          "name": "Menthol Flavor",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "20 Years",
        "sex": "ALL",
        "summary": "18 Years to 20 Years"
      },
      "enrollment_count": 56,
      "start_date": "2017-05-02",
      "completion_date": "2019-02-25",
      "has_results": false,
      "last_update_posted_date": "2020-05-04",
      "last_synced_at": "2026-10-27T05:29:11.015Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03168191"
    },
    {
      "nct_id": "NCT05641974",
      "title": "Effect of Helpers Program On-line Training on Smoking Relapse and Social Networks",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking",
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "Helpers Stay Quit Training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Colorado, Denver",
      "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": 940,
      "start_date": "2022-12-12",
      "completion_date": "2027-02-27",
      "has_results": false,
      "last_update_posted_date": "2026-04-15",
      "last_synced_at": "2026-10-27T05:29:11.015Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05641974"
    },
    {
      "nct_id": "NCT00823927",
      "title": "Alveolar Macrophage Proteomics in HIV-associated Emphysema",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "HIV",
        "Emphysema",
        "HIV Infections"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Philip Diaz",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 365,
      "start_date": "2006-04-21",
      "completion_date": "2008-06-23",
      "has_results": false,
      "last_update_posted_date": "2021-11-01",
      "last_synced_at": "2026-10-27T05:29:11.015Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00823927"
    },
    {
      "nct_id": "NCT00319319",
      "title": "Nicotinic Receptor Augmentation of SSRI Antidepressants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "Mecamylamine hydrochloride (Inversine)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 60,
      "start_date": "2003-01",
      "completion_date": "2007-01",
      "has_results": false,
      "last_update_posted_date": "2007-04-19",
      "last_synced_at": "2026-10-27T05:29:11.015Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00319319"
    }
  ]
}