{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=E+Cig+Use&page=16",
    "query": {
      "condition": "E Cig Use",
      "page": 16
    },
    "page_size": 10
  },
  "pagination": {
    "page": 16,
    "page_size": 10,
    "total_count": 373,
    "total_pages": 38,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=E+Cig+Use&page=17&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=E+Cig+Use&page=15&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-15T12:10:56.118Z",
  "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": "NCT06503159",
      "title": "Hippocampal Network Changes Following Mindfulness Training in Tobacco Vaping Adolescents in an Open-label, Pilot Study",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaping Teens",
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "Mindfulness-based Stress Reduction (MBSR) Program",
          "type": "BEHAVIORAL"
        },
        {
          "name": "functional magnetic resonance imaging (fMRI)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "National Institute on Drug Abuse (NIDA)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "13 Years to 18 Years"
      },
      "enrollment_count": 14,
      "start_date": "2025-05-07",
      "completion_date": "2025-09-11",
      "has_results": true,
      "last_update_posted_date": "2026-02-27",
      "last_synced_at": "2026-11-15T12:10:56.118Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06503159"
    },
    {
      "nct_id": "NCT03634839",
      "title": "Effects of E-cigarette Flavors on Youth TCORS 2.0",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Nicotine Use Disorder"
      ],
      "interventions": [
        {
          "name": "Flavoring Agents",
          "type": "DRUG"
        },
        {
          "name": "Nicotine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "20 Years",
        "sex": "ALL",
        "summary": "18 Years to 20 Years"
      },
      "enrollment_count": 42,
      "start_date": "2022-11-07",
      "completion_date": "2023-07-20",
      "has_results": true,
      "last_update_posted_date": "2024-08-09",
      "last_synced_at": "2026-11-15T12:10:56.118Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03634839"
    },
    {
      "nct_id": "NCT03836573",
      "title": "Feasibility of a Decision Aid for E-Cigarettes in Primary Care",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking, Cigarette",
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Smoking Cessation iPad Decision Aid Tool",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 120,
      "start_date": "2019-03-06",
      "completion_date": "2019-08-01",
      "has_results": false,
      "last_update_posted_date": "2019-08-22",
      "last_synced_at": "2026-11-15T12:10:56.118Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03836573"
    },
    {
      "nct_id": "NCT03111537",
      "title": "Methods Project 4: Clinical Trial - Amended",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Smoking"
      ],
      "interventions": [
        {
          "name": "Cigarettes",
          "type": "OTHER"
        },
        {
          "name": "E-Cigarette",
          "type": "OTHER"
        },
        {
          "name": "Nicotine Gum or Lozenge",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 264,
      "start_date": "2015-05",
      "completion_date": "2018-02",
      "has_results": false,
      "last_update_posted_date": "2022-09-28",
      "last_synced_at": "2026-11-15T12:10:56.118Z",
      "location_count": 3,
      "location_summary": "Minneapolis, Minnesota • Buffalo, New York • Columbus, Ohio",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Buffalo",
          "state": "New York"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03111537"
    },
    {
      "nct_id": "NCT05030194",
      "title": "Comparing Nicotine Delivery, Subjective Effects, and Sensory Experiences of Tobacco Users Using Oral Nicotine Products and Electronic Cigarettes [ZYN Study]",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use",
        "Tobacco Smoking",
        "Cigarette Smoking",
        "Smokeless Tobacco Cessation"
      ],
      "interventions": [
        {
          "name": "Electronic Cigarette",
          "type": "OTHER"
        },
        {
          "name": "Oral Nicotine Pouch",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Roswell Park Cancer Institute",
      "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": 15,
      "start_date": "2021-10-21",
      "completion_date": "2023-01-25",
      "has_results": false,
      "last_update_posted_date": "2023-10-26",
      "last_synced_at": "2026-11-15T12:10:56.118Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05030194"
    },
    {
      "nct_id": "NCT02188511",
      "title": "Effects of Electronic Cigarettes on Lung Biology",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lung Disease",
        "Lung Disorder"
      ],
      "interventions": [
        {
          "name": "Group A",
          "type": "OTHER"
        },
        {
          "name": "Group B",
          "type": "OTHER"
        },
        {
          "name": "Group C",
          "type": "OTHER"
        },
        {
          "name": "Group D",
          "type": "OTHER"
        },
        {
          "name": "Group E",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "21 Years to 85 Years"
      },
      "enrollment_count": 13,
      "start_date": "2014-01",
      "completion_date": "2018-07",
      "has_results": false,
      "last_update_posted_date": "2020-07-24",
      "last_synced_at": "2026-11-15T12:10:56.118Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02188511"
    },
    {
      "nct_id": "NCT04430634",
      "title": "A Study to Evaluate Nicotine Uptake and Biomarkers in Smokers Using mybluTM Electronic Cigarettes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "Myblu variant A",
          "type": "OTHER"
        },
        {
          "name": "Myblu variant B",
          "type": "OTHER"
        },
        {
          "name": "Myblu variant C",
          "type": "OTHER"
        },
        {
          "name": "Myblu variant D",
          "type": "OTHER"
        },
        {
          "name": "Myblu variant E",
          "type": "OTHER"
        },
        {
          "name": "Myblu variant F",
          "type": "OTHER"
        },
        {
          "name": "Myblu variant G",
          "type": "OTHER"
        },
        {
          "name": "Myblu variant H",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Fontem US LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 40,
      "start_date": "2019-11-01",
      "completion_date": "2020-01-31",
      "has_results": true,
      "last_update_posted_date": "2021-06-07",
      "last_synced_at": "2026-11-15T12:10:56.118Z",
      "location_count": 1,
      "location_summary": "Lincoln, Nebraska",
      "locations": [
        {
          "city": "Lincoln",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04430634"
    },
    {
      "nct_id": "NCT03379740",
      "title": "Study to Investigate the Nicotine Pharmacokinetic Profiles and Pharmacodynamic Effects of P4M3 Variants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaping",
        "Nicotine Absorption"
      ],
      "interventions": [
        {
          "name": "E-cigarette",
          "type": "OTHER"
        },
        {
          "name": "P4M3-1.7%",
          "type": "OTHER"
        },
        {
          "name": "P4M3-1.7%LA",
          "type": "OTHER"
        },
        {
          "name": "P4M3-3%LA",
          "type": "OTHER"
        },
        {
          "name": "P4M3-4%LA",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Philip Morris Products S.A.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 15,
      "start_date": "2017-07-11",
      "completion_date": "2017-12-01",
      "has_results": true,
      "last_update_posted_date": "2019-11-22",
      "last_synced_at": "2026-11-15T12:10:56.118Z",
      "location_count": 1,
      "location_summary": "High Point, North Carolina",
      "locations": [
        {
          "city": "High Point",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03379740"
    },
    {
      "nct_id": "NCT04449510",
      "title": "Short-Term Cardiovascular Effects of E-Cigarettes: Influence of E-Liquid pH",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiovascular Risk Factor",
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "Electronic Cigarette",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "21 Years to 70 Years"
      },
      "enrollment_count": 14,
      "start_date": "2021-01-04",
      "completion_date": "2024-07-31",
      "has_results": false,
      "last_update_posted_date": "2025-07-15",
      "last_synced_at": "2026-11-15T12:10:56.118Z",
      "location_count": 2,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04449510"
    },
    {
      "nct_id": "NCT05985538",
      "title": "Impact of E-Cigarette Prevention Messages on Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaping Behavior"
      ],
      "interventions": [
        {
          "name": "Vaping prevention text messages",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Wellness behaviors text messages",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "UNC Lineberger Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "20 Years",
        "sex": "ALL",
        "summary": "13 Years to 20 Years"
      },
      "enrollment_count": 480,
      "start_date": "2024-02-05",
      "completion_date": "2024-08-12",
      "has_results": true,
      "last_update_posted_date": "2026-10-06",
      "last_synced_at": "2026-11-15T12:10:56.118Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05985538"
    }
  ]
}