{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Electronic+cigarette+use&page=2",
    "query": {
      "intervention": "Electronic cigarette use",
      "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=Electronic+cigarette+use&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-26T00:14:30.464Z",
  "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": "NCT03596034",
      "title": "A Study to Characterize Puff Topography With Use of JUUL 5% Electronic Nicotine Delivery Systems (ENDS) in Adult Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use",
        "Nicotine Dependence, Other Tobacco Product",
        "Tobacco Smoking"
      ],
      "interventions": [
        {
          "name": "JUUL 5%, Virginia Tobacco, ENDS product",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Juul Labs, Inc.",
      "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": 30,
      "start_date": "2018-08-09",
      "completion_date": "2018-09-26",
      "has_results": false,
      "last_update_posted_date": "2021-06-14",
      "last_synced_at": "2026-09-26T00:14:30.464Z",
      "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/NCT03596034"
    },
    {
      "nct_id": "NCT05772845",
      "title": "Vaping and Smoking Withdrawal Project",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Acute Abstinence From Cigarettes vs E-cigarettes (ENDS)"
      ],
      "interventions": [
        {
          "name": "Acute (24-hour) abstinence",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Ad libitum smoking/vaping",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "State University of New York at Buffalo",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "21 Years to 50 Years"
      },
      "enrollment_count": 370,
      "start_date": "2023-02-14",
      "completion_date": "2026-11-30",
      "has_results": false,
      "last_update_posted_date": "2026-03-09",
      "last_synced_at": "2026-09-26T00:14:30.464Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05772845"
    },
    {
      "nct_id": "NCT05967585",
      "title": "Implementing an Adolescent and Young Adult (AYA) mHealth Vaping Cessation Program Into Oncology Clinics",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaping",
        "Vaping Cessation"
      ],
      "interventions": [
        {
          "name": "Behavioral: Quitting Program (TIQ)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "St. Jude Children's Research Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "24 Years",
        "sex": "ALL",
        "summary": "13 Years to 24 Years"
      },
      "enrollment_count": 539,
      "start_date": "2023-08-04",
      "completion_date": "2027-04-05",
      "has_results": false,
      "last_update_posted_date": "2026-06-17",
      "last_synced_at": "2026-09-26T00:14:30.464Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05967585"
    },
    {
      "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": "2025-08-22",
      "last_synced_at": "2026-09-26T00:14:30.464Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05985538"
    },
    {
      "nct_id": "NCT05669716",
      "title": "Adolescent Vaping Characterization and Parent Views on Adolescent Vaping Protocol",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy Volunteers",
        "Vaping Teens"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute on Drug Abuse (NIDA)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "13 Years to 120 Years"
      },
      "enrollment_count": 726,
      "start_date": "2023-03-09",
      "completion_date": "2025-09-25",
      "has_results": false,
      "last_update_posted_date": "2025-12-23",
      "last_synced_at": "2026-09-26T00:14:30.464Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05669716"
    },
    {
      "nct_id": "NCT04969198",
      "title": "UW Withdraw From Tobacco Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Tobacco Dependence"
      ],
      "interventions": [
        {
          "name": "Combination nicotine replacement therapy (Nicotine patch + nicotine mini-lozenge)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 232,
      "start_date": "2021-07-13",
      "completion_date": "2022-09-21",
      "has_results": true,
      "last_update_posted_date": "2025-05-08",
      "last_synced_at": "2026-09-26T00:14:30.464Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04969198"
    },
    {
      "nct_id": "NCT04678245",
      "title": "Network Intervention to Prevent Vaping",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaping",
        "Preventive Psychiatry",
        "Social Networking"
      ],
      "interventions": [
        {
          "name": "Above the Influence-Vaping (ATI-V)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Rochester",
      "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": 3950,
      "start_date": "2020-09-01",
      "completion_date": "2025-10-04",
      "has_results": true,
      "last_update_posted_date": "2026-08-26",
      "last_synced_at": "2026-09-26T00:14:30.464Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04678245"
    },
    {
      "nct_id": "NCT05706701",
      "title": "Nicotine Flux, a Potentially Powerful Tool for Regulating Nicotine Delivery From Electronic Cigarettes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nicotine Vaping"
      ],
      "interventions": [
        {
          "name": "Nicotine vaping visit 1 (free-base nicotine)",
          "type": "OTHER"
        },
        {
          "name": "Nicotine vaping visit 1 (protonated nicotine)",
          "type": "OTHER"
        },
        {
          "name": "Nicotine vaping visit 2 (free-base nicotine)",
          "type": "OTHER"
        },
        {
          "name": "Nicotine vaping visit 2 (protonated nicotine)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 36,
      "start_date": "2023-02-01",
      "completion_date": "2024-05-17",
      "has_results": true,
      "last_update_posted_date": "2025-11-18",
      "last_synced_at": "2026-09-26T00:14:30.464Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05706701"
    },
    {
      "nct_id": "NCT03916341",
      "title": "Smoking and Ventricular Repolarization",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sudden Cardiac Death",
        "Prolonged QTc Interval"
      ],
      "interventions": [
        {
          "name": "EC with nicotine",
          "type": "OTHER"
        },
        {
          "name": "EC without nicotine",
          "type": "OTHER"
        },
        {
          "name": "control",
          "type": "OTHER"
        },
        {
          "name": "TC with nicotine (own brand)",
          "type": "OTHER"
        },
        {
          "name": "research TC with very low level nicotine",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "21 Years to 45 Years"
      },
      "enrollment_count": 110,
      "start_date": "2019-10-01",
      "completion_date": "2023-04-10",
      "has_results": false,
      "last_update_posted_date": "2023-10-04",
      "last_synced_at": "2026-09-26T00:14:30.464Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03916341"
    },
    {
      "nct_id": "NCT02740595",
      "title": "E-cigarettes and Blood Vessel Function",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "one time exposure to e-cig with nicotine",
          "type": "OTHER"
        },
        {
          "name": "one time exposure to e-cig without nicotine",
          "type": "OTHER"
        },
        {
          "name": "one time exposure to empty e-cig",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "21 Years to 45 Years"
      },
      "enrollment_count": 148,
      "start_date": "2015-08",
      "completion_date": "2022-12-01",
      "has_results": false,
      "last_update_posted_date": "2023-10-05",
      "last_synced_at": "2026-09-26T00:14:30.464Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02740595"
    }
  ]
}