{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Smoking+Cigarette&page=16",
    "query": {
      "condition": "Smoking Cigarette",
      "page": 16
    },
    "page_size": 10
  },
  "pagination": {
    "page": 16,
    "page_size": 10,
    "total_count": 798,
    "total_pages": 80,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Smoking+Cigarette&page=17&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Smoking+Cigarette&page=15&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-15T15:00:17.301Z",
  "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": "NCT02378714",
      "title": "Behavioral Activation and Varenicline for Smoking Cessation in Depressed Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Nicotine Dependence",
        "Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "Varenicline",
          "type": "DRUG"
        },
        {
          "name": "BASC",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard treatment",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 300,
      "start_date": "2015-07-24",
      "completion_date": "2020-03-13",
      "has_results": true,
      "last_update_posted_date": "2021-07-29",
      "last_synced_at": "2026-11-15T15:00:17.301Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02378714"
    },
    {
      "nct_id": "NCT03822416",
      "title": "Treating Smokers With Mental Illness",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Smoking Cessation",
        "Cigarette Smoking",
        "Schizophrenia",
        "Psychotic Disorders",
        "Major Depressive Disorder",
        "Bipolar Disorder I",
        "Bipolar II Disorder",
        "Mental Illness"
      ],
      "interventions": [
        {
          "name": "Nicotine patch",
          "type": "DRUG"
        },
        {
          "name": "Nicotine lozenge",
          "type": "DRUG"
        },
        {
          "name": "Therapy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Information",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 38,
      "start_date": "2019-03-01",
      "completion_date": "2020-05-04",
      "has_results": true,
      "last_update_posted_date": "2021-05-25",
      "last_synced_at": "2026-11-15T15:00:17.301Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03822416"
    },
    {
      "nct_id": "NCT06111053",
      "title": "Trial for Harm Reduction With Incentives & Vaping E-cigarettes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "ENDS",
          "type": "OTHER"
        },
        {
          "name": "CI",
          "type": "OTHER"
        },
        {
          "name": "No ENDS",
          "type": "OTHER"
        },
        {
          "name": "NI",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Brown University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "21 Years to 99 Years"
      },
      "enrollment_count": 39,
      "start_date": "2023-11-01",
      "completion_date": "2024-08-28",
      "has_results": false,
      "last_update_posted_date": "2024-11-18",
      "last_synced_at": "2026-11-15T15:00:17.301Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06111053"
    },
    {
      "nct_id": "NCT03113136",
      "title": "Examination of Low Wattage and High Wattage E-Cigarettes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking, Cigarette",
        "Smoking, Tobacco",
        "Nicotine Dependence",
        "Exposure to Toxic Agent"
      ],
      "interventions": [
        {
          "name": "Low wattage E cigarette device",
          "type": "BEHAVIORAL"
        },
        {
          "name": "High wattage E cigarette device",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Usual brand cigarette",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "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": 372,
      "start_date": "2017-06-29",
      "completion_date": "2022-01-31",
      "has_results": true,
      "last_update_posted_date": "2026-04-17",
      "last_synced_at": "2026-11-15T15:00:17.301Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03113136"
    },
    {
      "nct_id": "NCT04826549",
      "title": "A Comparison of Exhaled Carbon Monoxide Measurements Using the iCOquit Smokerlyzer and Vitalograph Breath CO Monitor vs Carboxyhemoglobin From Venous Samples While Validating a Mobile Research Application",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Smoking, Cigarette"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Rose Research Center, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 30,
      "start_date": "2021-03-22",
      "completion_date": "2021-10-27",
      "has_results": false,
      "last_update_posted_date": "2022-01-13",
      "last_synced_at": "2026-11-15T15:00:17.301Z",
      "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/NCT04826549"
    },
    {
      "nct_id": "NCT05205382",
      "title": "Assessing the Effect of Nicotine Reduction on ENDS User's Addiction and Exposures",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Electronic Cigarette Use"
      ],
      "interventions": [
        {
          "name": "5% nicotine (Partial Nicotine Reduction)",
          "type": "OTHER"
        },
        {
          "name": "3% or 2.4% nicotine (Partial Nicotine Reduction)",
          "type": "OTHER"
        },
        {
          "name": "5% nicotine (Total Nicotine Reduction)",
          "type": "OTHER"
        },
        {
          "name": "0% nicotine (Total Nicotine Reduction)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Florida International University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "21 Years to 35 Years"
      },
      "enrollment_count": 116,
      "start_date": "2022-04-01",
      "completion_date": "2025-04-15",
      "has_results": true,
      "last_update_posted_date": "2026-08-13",
      "last_synced_at": "2026-11-15T15:00:17.301Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05205382"
    },
    {
      "nct_id": "NCT01989156",
      "title": "Reduced Exposure Study Using THS 2.2 Menthol With 5 Days in a Confinement Setting Followed by 86 Days in an Ambulatory Setting",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking"
      ],
      "interventions": [
        {
          "name": "THS 2.2 Menthol (mTHS 2.2)",
          "type": "OTHER"
        },
        {
          "name": "Menthol Conventional Cigarette (mCC)",
          "type": "OTHER"
        },
        {
          "name": "Smoking Abstinence (SA)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Philip Morris Products S.A.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "22 Years and older"
      },
      "enrollment_count": 160,
      "start_date": "2013-12",
      "completion_date": "2015-05",
      "has_results": true,
      "last_update_posted_date": "2020-03-24",
      "last_synced_at": "2026-11-15T15:00:17.301Z",
      "location_count": 2,
      "location_summary": "Daytona Beach, Florida • Dallas, Texas",
      "locations": [
        {
          "city": "Daytona Beach",
          "state": "Florida"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01989156"
    },
    {
      "nct_id": "NCT04399031",
      "title": "Effects of e-Cigarettes on Perceptions and Behavior - Substudy 1",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Electronic Cigarette Use",
        "Cigarette Use, Electronic",
        "Vaping",
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "E-cigarette e-liquid",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 124,
      "start_date": "2019-12-01",
      "completion_date": "2020-03-01",
      "has_results": false,
      "last_update_posted_date": "2023-07-11",
      "last_synced_at": "2026-11-15T15:00:17.301Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04399031"
    },
    {
      "nct_id": "NCT01714323",
      "title": "Comparative Effectiveness of Post-Discharge Strategies for Hospitalized Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking",
        "Tobacco Smoking",
        "Tobacco Use Disorder"
      ],
      "interventions": [
        {
          "name": "Sustained Care",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard Care",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1359,
      "start_date": "2012-12",
      "completion_date": "2016-10",
      "has_results": true,
      "last_update_posted_date": "2018-06-08",
      "last_synced_at": "2026-11-15T15:00:17.301Z",
      "location_count": 3,
      "location_summary": "Boston, Massachusetts • Salem, Massachusetts • Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Salem",
          "state": "Massachusetts"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01714323"
    },
    {
      "nct_id": "NCT01177176",
      "title": "Smoking Interventions for Hospital Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "Extended Care Management",
          "type": "OTHER"
        },
        {
          "name": "Standard Care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 397,
      "start_date": "2010-07",
      "completion_date": "2012-12",
      "has_results": false,
      "last_update_posted_date": "2014-09-18",
      "last_synced_at": "2026-11-15T15:00:17.301Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01177176"
    }
  ]
}