{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Study+e-cigarette&page=2",
    "query": {
      "intervention": "Study e-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?intervention=Study+e-cigarette&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-17T01:09:14.631Z",
  "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": "NCT04151784",
      "title": "Factors That Impact the Relationship Between Pulmonary Status and Susceptibility to Electronic Cigarette Use",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Electronic Cigarette Use",
        "Pulmonary Disease"
      ],
      "interventions": [
        {
          "name": "Pulmonary Group",
          "type": "OTHER"
        },
        {
          "name": "Healthy Control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2020-01-01",
      "completion_date": "2021-05-20",
      "has_results": false,
      "last_update_posted_date": "2021-05-25",
      "last_synced_at": "2026-09-17T01:09:14.631Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04151784"
    },
    {
      "nct_id": "NCT04332926",
      "title": "Effects of E-Cigarette Nicotine Content in Smokers (Nicotine Flux Study)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Electronic Cigarette Use"
      ],
      "interventions": [
        {
          "name": "Tobacco product administration and assessment, own brand cigarettes",
          "type": "OTHER"
        },
        {
          "name": "Tobacco product administration and assessment, ECIG 30 Watts, 0 mg/ml nicotine",
          "type": "OTHER"
        },
        {
          "name": "Tobacco product administration and assessment, ECIG 30 Watts, 8 mg/ml nicotine",
          "type": "OTHER"
        },
        {
          "name": "Tobacco product administration and assessment, ECIG 30 Watts, 15 mg/ml nicotine",
          "type": "OTHER"
        },
        {
          "name": "Tobacco product administration and assessment, ECIG 30 Watts, 30 mg/ml nicotine",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Virginia Commonwealth University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 44,
      "start_date": "2021-01-05",
      "completion_date": "2023-09-08",
      "has_results": true,
      "last_update_posted_date": "2025-02-13",
      "last_synced_at": "2026-09-17T01:09:14.631Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04332926"
    },
    {
      "nct_id": "NCT07134426",
      "title": "Vaped Phenanthrene",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Former Smoker",
        "Non-Smoker"
      ],
      "interventions": [
        {
          "name": "D10-phenanthrene",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2026-09-01",
      "completion_date": "2028-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-03",
      "last_synced_at": "2026-09-17T01:09:14.631Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07134426"
    },
    {
      "nct_id": "NCT03496116",
      "title": "The Influence of Electronic (ECIG) Heater Resistance on ECIG Acute Effects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "ECIG Session",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Virginia Commonwealth University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 38,
      "start_date": "2018-05-21",
      "completion_date": "2018-12-17",
      "has_results": false,
      "last_update_posted_date": "2019-05-09",
      "last_synced_at": "2026-09-17T01:09:14.631Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03496116"
    },
    {
      "nct_id": "NCT04104152",
      "title": "CSD190203: A Study to Determine Subject Puffing Patterns of an Electronic Nicotine Delivery System in an Ambulatory Setting",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking",
        "Smoking Behaviors",
        "Tobacco Use",
        "Tobacco Smoking"
      ],
      "interventions": [
        {
          "name": "CSD1902-11",
          "type": "OTHER"
        },
        {
          "name": "CSD1902-12",
          "type": "OTHER"
        },
        {
          "name": "CSD1902-13",
          "type": "OTHER"
        },
        {
          "name": "CSD1902-14",
          "type": "OTHER"
        },
        {
          "name": "CSD1902-21",
          "type": "OTHER"
        },
        {
          "name": "CSD1902-22",
          "type": "OTHER"
        },
        {
          "name": "CSD1902-23",
          "type": "OTHER"
        },
        {
          "name": "CSD1902-24",
          "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": 146,
      "start_date": "2019-10-07",
      "completion_date": "2020-03-06",
      "has_results": false,
      "last_update_posted_date": "2022-06-27",
      "last_synced_at": "2026-09-17T01:09:14.631Z",
      "location_count": 1,
      "location_summary": "High Point, North Carolina",
      "locations": [
        {
          "city": "High Point",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04104152"
    },
    {
      "nct_id": "NCT06077240",
      "title": "Effects of E-cigs vs Pouches on Cigarette Smoking and Addiction",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking",
        "Smoking Behaviors",
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "E-cigarette with 2.4% Nicotine with Menthol and Tobacco Flavors",
          "type": "BEHAVIORAL"
        },
        {
          "name": "E-cigarette with 2.4% Nicotine with Tobacco Flavor Only",
          "type": "BEHAVIORAL"
        },
        {
          "name": "E-cigarette with 5% Nicotine with Menthol and Tobacco Flavors",
          "type": "BEHAVIORAL"
        },
        {
          "name": "E-cigarette with 5% Nicotine with Tobacco Flavor Only",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Tobacco Pouches with 3mg Nicotine with Menthol and Tobacco Flavors",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Tobacco Pouches with 3mg Nicotine with Tobacco Flavor Only",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Tobacco Pouches with 6mg Nicotine with Menthol and Tobacco Flavors",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Tobacco Pouches with 6mg Nicotine with Tobacco Flavor Only",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 256,
      "start_date": "2024-08-20",
      "completion_date": "2028-04-01",
      "has_results": false,
      "last_update_posted_date": "2026-03-19",
      "last_synced_at": "2026-09-17T01:09:14.631Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06077240"
    },
    {
      "nct_id": "NCT04805515",
      "title": "Impact of Nicotine Messaging on Nicotine Beliefs and Tobacco Use Behavior",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nicotine Dependence, Cigarettes"
      ],
      "interventions": [
        {
          "name": "Nicotine Corrective Messages",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Vermont",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 794,
      "start_date": "2021-02-12",
      "completion_date": "2021-05-31",
      "has_results": true,
      "last_update_posted_date": "2022-12-02",
      "last_synced_at": "2026-09-17T01:09:14.631Z",
      "location_count": 1,
      "location_summary": "Burlington, Vermont",
      "locations": [
        {
          "city": "Burlington",
          "state": "Vermont"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04805515"
    },
    {
      "nct_id": "NCT02848586",
      "title": "Effects of E-cigarettes (ECIGs) on Pulmonary Inflammation and Behavior in HIV Infected Smokers",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lung Inflammation",
        "HIV Seropositivity"
      ],
      "interventions": [
        {
          "name": "ECIGS",
          "type": "OTHER"
        },
        {
          "name": "mobile contingency management (mCM)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Usual brand",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 10,
      "start_date": "2016-08",
      "completion_date": "2018-05-08",
      "has_results": false,
      "last_update_posted_date": "2023-07-11",
      "last_synced_at": "2026-09-17T01:09:14.631Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02848586"
    },
    {
      "nct_id": "NCT06334016",
      "title": "Evaluating the Delivery and Effects of THC Vaping Liquids in the Bloodstream",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Cannabis Dependence"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Cannabis sativa Extract",
          "type": "DRUG"
        },
        {
          "name": "Nicotine",
          "type": "DRUG"
        },
        {
          "name": "Placebo Administration",
          "type": "DRUG"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Roswell Park Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2026-09-15",
      "completion_date": "2028-03-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-12",
      "last_synced_at": "2026-09-17T01:09:14.631Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06334016"
    },
    {
      "nct_id": "NCT06777784",
      "title": "Modern Nicotine Oral Product Abuse Liability",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking",
        "Tobacco Use"
      ],
      "interventions": [
        {
          "name": "Product A",
          "type": "OTHER"
        },
        {
          "name": "Product B",
          "type": "OTHER"
        },
        {
          "name": "Product C",
          "type": "OTHER"
        },
        {
          "name": "Product D",
          "type": "OTHER"
        },
        {
          "name": "Product E",
          "type": "OTHER"
        },
        {
          "name": "Product F",
          "type": "OTHER"
        },
        {
          "name": "Product G",
          "type": "OTHER"
        },
        {
          "name": "Product N",
          "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": 40,
      "start_date": "2025-02-03",
      "completion_date": "2025-03-05",
      "has_results": false,
      "last_update_posted_date": "2025-12-23",
      "last_synced_at": "2026-09-17T01:09:14.631Z",
      "location_count": 2,
      "location_summary": "Lexington, Kentucky • Knoxville, Tennessee",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Knoxville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06777784"
    }
  ]
}