{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=E+Cig+Use&page=8",
    "query": {
      "condition": "E Cig Use",
      "page": 8
    },
    "page_size": 10
  },
  "pagination": {
    "page": 8,
    "page_size": 10,
    "total_count": 373,
    "total_pages": 38,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=E+Cig+Use&page=9&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=E+Cig+Use&page=7&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-15T10:15:14.455Z",
  "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": "NCT03625986",
      "title": "Does Switching to Nicotine Containing Electronic Cigarettes Reduce Health Risk Markers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Dependence"
      ],
      "interventions": [
        {
          "name": "Nicotine-Containing Electronic Cigarette",
          "type": "OTHER"
        },
        {
          "name": "Non-Nicotine Electronic Cigarette",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Milton S. Hershey Medical Center",
      "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": 105,
      "start_date": "2022-04-22",
      "completion_date": "2024-02-23",
      "has_results": true,
      "last_update_posted_date": "2025-03-27",
      "last_synced_at": "2026-11-15T10:15:14.455Z",
      "location_count": 1,
      "location_summary": "Hershey, Pennsylvania",
      "locations": [
        {
          "city": "Hershey",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03625986"
    },
    {
      "nct_id": "NCT02498145",
      "title": "Short Term Effects of Electronic Cigarettes in Tobacco Dependent Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking",
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "Nicotine e-cigarette",
          "type": "OTHER"
        },
        {
          "name": "Non-nicotine e-cigarette",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2014-10",
      "completion_date": "2016-11",
      "has_results": false,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-11-15T10:15:14.455Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02498145"
    },
    {
      "nct_id": "NCT07437196",
      "title": "Social Media Vaping Cessation Pilot With Peer Mentors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaping",
        "Social Support"
      ],
      "interventions": [
        {
          "name": "Quit the Hit (QTH) Program with Peer Mentoring",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "29 Years",
        "sex": "ALL",
        "summary": "13 Years to 29 Years"
      },
      "enrollment_count": 27,
      "start_date": "2024-06-19",
      "completion_date": "2024-08-03",
      "has_results": false,
      "last_update_posted_date": "2026-02-27",
      "last_synced_at": "2026-11-15T10:15:14.455Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07437196"
    },
    {
      "nct_id": "NCT06704295",
      "title": "High Impact E-cigarette Advertisement Features",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaping Behavior"
      ],
      "interventions": [
        {
          "name": "Control ad with dark gray product with tobacco flavor name",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Dark gray product with strawberry flavor name",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Colorful (strawberry color) product with strawberry flavor name",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Colorful (strawberry color) product with strawberry flavor name and image",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Colorful (strawberry color) product with strawberry flavor features",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Colorful (strawberry color) product with strawberry flavor features and choice claim",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Rutgers, The State University of New Jersey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 3083,
      "start_date": "2024-12-17",
      "completion_date": "2025-02-10",
      "has_results": true,
      "last_update_posted_date": "2026-03-09",
      "last_synced_at": "2026-11-15T10:15:14.455Z",
      "location_count": 1,
      "location_summary": "New Brunswick, New Jersey",
      "locations": [
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06704295"
    },
    {
      "nct_id": "NCT07860801",
      "title": "Study of Vaping Use Among Adolescent and Young Adult Patients With Cancer",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cancer",
        "Vaping"
      ],
      "interventions": [
        {
          "name": "Study assessments",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "15 Years and older"
      },
      "enrollment_count": 80,
      "start_date": "2026-09-30",
      "completion_date": "2027-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-10-16",
      "last_synced_at": "2026-11-15T10:15:14.455Z",
      "location_count": 7,
      "location_summary": "Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more",
      "locations": [
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "Middletown",
          "state": "New Jersey"
        },
        {
          "city": "Montvale",
          "state": "New Jersey"
        },
        {
          "city": "Commack",
          "state": "New York"
        },
        {
          "city": "Harrison",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07860801"
    },
    {
      "nct_id": "NCT05118139",
      "title": "CSD201203: A Study to Determine Subject Puffing Patterns of a Non-cylindrical, Closed, Electronic Nicotine Delivery System at Three Nicotine Concentrations in an Ambulatory Setting",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking",
        "Tobacco Use",
        "Electronic Cigarette Use"
      ],
      "interventions": [
        {
          "name": "P1211216",
          "type": "OTHER"
        },
        {
          "name": "P1213416",
          "type": "OTHER"
        },
        {
          "name": "P1213716",
          "type": "OTHER"
        },
        {
          "name": "P1213616",
          "type": "OTHER"
        },
        {
          "name": "P1213816",
          "type": "OTHER"
        },
        {
          "name": "P1211916",
          "type": "OTHER"
        },
        {
          "name": "P1210016",
          "type": "OTHER"
        },
        {
          "name": "P1211217",
          "type": "OTHER"
        },
        {
          "name": "P1213417",
          "type": "OTHER"
        },
        {
          "name": "P1211222",
          "type": "OTHER"
        },
        {
          "name": "P1213422",
          "type": "OTHER"
        },
        {
          "name": "P1213722",
          "type": "OTHER"
        },
        {
          "name": "P1213622",
          "type": "OTHER"
        },
        {
          "name": "P1213822",
          "type": "OTHER"
        },
        {
          "name": "P1211922",
          "type": "OTHER"
        },
        {
          "name": "P1210022",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "RAI Services Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 240,
      "start_date": "2022-02-11",
      "completion_date": "2022-07-30",
      "has_results": false,
      "last_update_posted_date": "2025-04-10",
      "last_synced_at": "2026-11-15T10:15:14.455Z",
      "location_count": 4,
      "location_summary": "Stockbridge, Georgia • Lexington, Kentucky • Hickory, North Carolina + 1 more",
      "locations": [
        {
          "city": "Stockbridge",
          "state": "Georgia"
        },
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Hickory",
          "state": "North Carolina"
        },
        {
          "city": "High Point",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05118139"
    },
    {
      "nct_id": "NCT07116837",
      "title": "Perceived Effectiveness of Vaping Prevention Ads Among Adolescents and Young Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaping"
      ],
      "interventions": [
        {
          "name": "Vaping prevention video ads",
          "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": 3113,
      "start_date": "2025-10-01",
      "completion_date": "2026-06-14",
      "has_results": false,
      "last_update_posted_date": "2026-07-01",
      "last_synced_at": "2026-11-15T10:15:14.455Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07116837"
    },
    {
      "nct_id": "NCT03031145",
      "title": "Investigation of the Impact of Smoking Status on Allergen-induced Nasal Airway Inflammation Using a Cat Hair (Felis Domesticus) Extract Nasal Allergen Challenge Model",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Tobacco Smoking",
        "Healthy Participants",
        "E-cigarette Smokers"
      ],
      "interventions": [
        {
          "name": "Felis Domesticus",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 0,
      "start_date": "2017-04-03",
      "completion_date": "2017-12-04",
      "has_results": false,
      "last_update_posted_date": "2021-05-07",
      "last_synced_at": "2026-11-15T10:15:14.455Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03031145"
    },
    {
      "nct_id": "NCT04192032",
      "title": "Assessing the Effect of Flavor on ENDS Users' Experiences and Exposures",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Electronic Cigarette Use"
      ],
      "interventions": [
        {
          "name": "Preferred Juul pod flavor (5% nicotine)",
          "type": "OTHER"
        },
        {
          "name": "Classic Tobacco Juul pod flavor (5% nicotine)",
          "type": "OTHER"
        },
        {
          "name": "Preferred flavor with HWL",
          "type": "OTHER"
        },
        {
          "name": "Preferred flavor, 3% nicotine",
          "type": "OTHER"
        },
        {
          "name": "Preferred flavor, 0% nicotine",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Florida International University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "24 Years",
        "sex": "ALL",
        "summary": "18 Years to 24 Years"
      },
      "enrollment_count": 41,
      "start_date": "2018-11-15",
      "completion_date": "2020-03-15",
      "has_results": false,
      "last_update_posted_date": "2021-01-26",
      "last_synced_at": "2026-11-15T10:15:14.455Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04192032"
    },
    {
      "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": "2026-11-15T10:15:14.455Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06111053"
    }
  ]
}