{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=E+Cig+Use&page=4",
    "query": {
      "condition": "E Cig Use",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 373,
    "total_pages": 38,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=E+Cig+Use&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=E+Cig+Use&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-15T09:24:41.376Z",
  "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": "NCT06335329",
      "title": "Point-of-Care Ultrasound (POCUS) Findings and Impact on Vaping",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaping"
      ],
      "interventions": [
        {
          "name": "Discussion of point-of-care ultrasound lung findings",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "12 Years to 18 Years"
      },
      "enrollment_count": 90,
      "start_date": "2024-07-17",
      "completion_date": "2026-02-11",
      "has_results": false,
      "last_update_posted_date": "2026-02-17",
      "last_synced_at": "2026-11-15T09:24:41.376Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06335329"
    },
    {
      "nct_id": "NCT04661683",
      "title": "Secondhand Effects of Hookah (i.e., Waterpipe) Smoke and Aerosol",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hookah Smoking",
        "Secondhand Aerosol",
        "Vascular Stiffness",
        "Vaping"
      ],
      "interventions": [
        {
          "name": "Combustible Hookah Smoke",
          "type": "OTHER"
        },
        {
          "name": "Electronic Hookah Aerosol",
          "type": "OTHER"
        },
        {
          "name": "Clean Room Air",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "21 Years to 49 Years"
      },
      "enrollment_count": 12,
      "start_date": "2021-06-25",
      "completion_date": "2027-04-15",
      "has_results": false,
      "last_update_posted_date": "2026-04-22",
      "last_synced_at": "2026-11-15T09:24:41.376Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04661683"
    },
    {
      "nct_id": "NCT04522362",
      "title": "Modeling Stress-precipitated Vaping Behavior",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaping"
      ],
      "interventions": [
        {
          "name": "Control task and Trier Social Stress Task",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Clemson University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 51,
      "start_date": "2017-10-25",
      "completion_date": "2018-06-30",
      "has_results": false,
      "last_update_posted_date": "2020-08-21",
      "last_synced_at": "2026-11-15T09:24:41.376Z",
      "location_count": 1,
      "location_summary": "Burlington, Vermont",
      "locations": [
        {
          "city": "Burlington",
          "state": "Vermont"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04522362"
    },
    {
      "nct_id": "NCT03815591",
      "title": "Implementation and Dissemination of an Evidence-Based Tobacco Product Use Prevention Videogame Intervention With Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation",
        "Smoking"
      ],
      "interventions": [
        {
          "name": "smokeSCREEN web-based game",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "16 Years",
        "sex": "ALL",
        "summary": "10 Years to 16 Years"
      },
      "enrollment_count": 560,
      "start_date": "2019-02-01",
      "completion_date": "2021-12-31",
      "has_results": false,
      "last_update_posted_date": "2022-04-22",
      "last_synced_at": "2026-11-15T09:24:41.376Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03815591"
    },
    {
      "nct_id": "NCT05278065",
      "title": "E-cigarettes for Harm Reduction in Adults With Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking",
        "Asthma",
        "Electronic Cigarette Use",
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "Nicotine",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Brown University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 17,
      "start_date": "2022-05-01",
      "completion_date": "2024-09-12",
      "has_results": true,
      "last_update_posted_date": "2025-11-18",
      "last_synced_at": "2026-11-15T09:24:41.376Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05278065"
    },
    {
      "nct_id": "NCT03830892",
      "title": "Effects of E-Cigarette Power and Nicotine Content in Dual Users and Vapers",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Electronic Cigarettes"
      ],
      "interventions": [
        {
          "name": "E-cigarette Lab Session 15 watts, 10 mg nicotine",
          "type": "OTHER"
        },
        {
          "name": "E-cigarette Lab Session 15 watts, 30 mg nicotine",
          "type": "OTHER"
        },
        {
          "name": "E-cigarette Lab Session 30 watts, 10 mg nicotine",
          "type": "OTHER"
        },
        {
          "name": "E-cigarette Lab Session 30 watts, 30 mg nicotine",
          "type": "OTHER"
        },
        {
          "name": "Own Brand Session - E-cigarette",
          "type": "OTHER"
        },
        {
          "name": "Own Brand Session - E-cigarette/Cigarette",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Virginia Commonwealth University",
      "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": 48,
      "start_date": "2019-01-18",
      "completion_date": "2020-03-06",
      "has_results": true,
      "last_update_posted_date": "2021-06-04",
      "last_synced_at": "2026-11-15T09:24:41.376Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03830892"
    },
    {
      "nct_id": "NCT04063267",
      "title": "Electronic Cigarettes as a Harm Reduction Strategy in Individuals With Substance Use Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cigarette Smoking",
        "Addiction",
        "E Cig Use"
      ],
      "interventions": [
        {
          "name": "E cigarettes",
          "type": "OTHER"
        },
        {
          "name": "Nicotine Replacement Therapy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "NYU Langone Health",
      "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": 48,
      "start_date": "2020-10-27",
      "completion_date": "2024-06-30",
      "has_results": false,
      "last_update_posted_date": "2024-12-20",
      "last_synced_at": "2026-11-15T09:24:41.376Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04063267"
    },
    {
      "nct_id": "NCT01775787",
      "title": "Effects of Electronic Cigarettes on Nicotine Concentrations",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Health Behavior"
      ],
      "interventions": [
        {
          "name": "Nicotine with Tobacco Flavor and Tobacco & Menthol Flavor",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "UConn Health",
      "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": 27,
      "start_date": "2012-10",
      "completion_date": "2015-06",
      "has_results": true,
      "last_update_posted_date": "2017-11-30",
      "last_synced_at": "2026-11-15T09:24:41.376Z",
      "location_count": 1,
      "location_summary": "Farmington, Connecticut",
      "locations": [
        {
          "city": "Farmington",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01775787"
    },
    {
      "nct_id": "NCT03682900",
      "title": "Expanding the Click City Tobacco Prevention Program to Include E-cigarettes and Other Novel Tobacco Products",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use"
      ],
      "interventions": [
        {
          "name": "Click City®: Tobacco",
          "type": "OTHER"
        },
        {
          "name": "Usual Tobacco Curriculum",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Oregon Research Behavioral Intervention Strategies, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "9 Years to 12 Years"
      },
      "enrollment_count": 2673,
      "start_date": "2019-10-01",
      "completion_date": "2022-06-30",
      "has_results": true,
      "last_update_posted_date": "2023-11-01",
      "last_synced_at": "2026-11-15T09:24:41.376Z",
      "location_count": 1,
      "location_summary": "Springfield, Oregon",
      "locations": [
        {
          "city": "Springfield",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03682900"
    },
    {
      "nct_id": "NCT05525078",
      "title": "Quit or Switch: E-cigarette Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use"
      ],
      "interventions": [
        {
          "name": "e-cigarette",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Nicotine patch, Nicotine lozenge",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2022-08-01",
      "completion_date": "2023-07-17",
      "has_results": true,
      "last_update_posted_date": "2024-04-26",
      "last_synced_at": "2026-11-15T09:24:41.376Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05525078"
    }
  ]
}