{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=E+Cig+Use&page=5",
    "query": {
      "condition": "E Cig Use",
      "page": 5
    },
    "page_size": 10
  },
  "pagination": {
    "page": 5,
    "page_size": 10,
    "total_count": 373,
    "total_pages": 38,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=E+Cig+Use&page=6&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=E+Cig+Use&page=4&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-15T09:38:57.105Z",
  "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": "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": "2026-11-15T09:38:57.105Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07134426"
    },
    {
      "nct_id": "NCT05081843",
      "title": "Pittsburgh and Rural Area High School Tobacco Prevention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Adolescent Behavior",
        "Tobacco Use",
        "E-Cig Use"
      ],
      "interventions": [
        {
          "name": "AD IT UP media literacy intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Usual health education curriculum",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "13 Years to 17 Years"
      },
      "enrollment_count": 318,
      "start_date": "2022-03-01",
      "completion_date": "2024-03-01",
      "has_results": true,
      "last_update_posted_date": "2025-06-04",
      "last_synced_at": "2026-11-15T09:38:57.105Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05081843"
    },
    {
      "nct_id": "NCT05958979",
      "title": "Effects of e-Cigarettes on Perceptions and Behavior - Remote Substudy # 1",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Electronic Cigarette Use",
        "Cigarette Smoking",
        "Cigarette Use, Electronic",
        "Vaping"
      ],
      "interventions": [
        {
          "name": "Control Marketing Strategies",
          "type": "OTHER"
        },
        {
          "name": "Experimental Marketing Strategies",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 601,
      "start_date": "2020-08-25",
      "completion_date": "2022-05-01",
      "has_results": false,
      "last_update_posted_date": "2023-07-25",
      "last_synced_at": "2026-11-15T09:38:57.105Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05958979"
    },
    {
      "nct_id": "NCT05257109",
      "title": "Water Content in E-Liquids",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nicotine E-Cigarette Use"
      ],
      "interventions": [
        {
          "name": "Water Concentration 1",
          "type": "OTHER"
        },
        {
          "name": "Water Concentration 2",
          "type": "OTHER"
        },
        {
          "name": "Water Concentration 3",
          "type": "OTHER"
        },
        {
          "name": "Water Concentration 4",
          "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": 31,
      "start_date": "2022-08-01",
      "completion_date": "2023-03-10",
      "has_results": true,
      "last_update_posted_date": "2024-10-22",
      "last_synced_at": "2026-11-15T09:38:57.105Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05257109"
    },
    {
      "nct_id": "NCT05658471",
      "title": "Pharmacokinetics and Pharmacodynamics of Nicotine With Use of Standardized Research Electronic Cigarette (SREC)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nicotine Dependence",
        "Tobacco Toxicity",
        "Cardiovascular Risk Factors"
      ],
      "interventions": [
        {
          "name": "Standardized Research E-Cigarette (SREC)",
          "type": "OTHER"
        },
        {
          "name": "Over the Counter E-Cigarette (EC)",
          "type": "OTHER"
        },
        {
          "name": "Biological Samples",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Smoking-related Questionnaires",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "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": 32,
      "start_date": "2023-02-01",
      "completion_date": "2026-01-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-27",
      "last_synced_at": "2026-11-15T09:38:57.105Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05658471"
    },
    {
      "nct_id": "NCT07786896",
      "title": "Evaluation of Dependence and Nicotine Replacement Therapy-Supported Cessation Efforts Among Regular Electronic Cigarette Use",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "E Cigarette Use",
        "Cessation, Tobacco",
        "Cessation, Nicotine"
      ],
      "interventions": [
        {
          "name": "Nicotine Replacement Therapies",
          "type": "DRUG"
        },
        {
          "name": "Brief Behavioral Counseling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "West Virginia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "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": "2026-08-26",
      "last_synced_at": "2026-11-15T09:38:57.105Z",
      "location_count": 2,
      "location_summary": "Greenville, North Carolina • Morgantown, West Virginia",
      "locations": [
        {
          "city": "Greenville",
          "state": "North Carolina"
        },
        {
          "city": "Morgantown",
          "state": "West Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07786896"
    },
    {
      "nct_id": "NCT03856515",
      "title": "Gender Differences in Switching From Smoking Regular Cigarettes to E-Cigarettes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking-Related Carcinoma"
      ],
      "interventions": [
        {
          "name": "Nicotine Replacement",
          "type": "DRUG"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Electronic Cigarette",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "DEVICE"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 169,
      "start_date": "2022-06-02",
      "completion_date": "2026-01-07",
      "has_results": true,
      "last_update_posted_date": "2026-01-28",
      "last_synced_at": "2026-11-15T09:38:57.105Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03856515"
    },
    {
      "nct_id": "NCT07737080",
      "title": "The Villainous Vape: Advancing Vaping Prevention Among Adolescents Through a Comic Book",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaping Behaviors"
      ],
      "interventions": [
        {
          "name": "Health Impacts of E-cigarettes",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Mind Matters: The Body's Response to Nicotine, Tobacco, and Vaping",
          "type": "BEHAVIORAL"
        },
        {
          "name": "The Villainous Vape",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "12 Years to 17 Years"
      },
      "enrollment_count": 90,
      "start_date": "2026-09-01",
      "completion_date": "2027-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-30",
      "last_synced_at": "2026-11-15T09:38:57.105Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07737080"
    },
    {
      "nct_id": "NCT02470754",
      "title": "Clinical Pharmacology of Electronic Cigarettes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "Tobacco Cigarette",
          "type": "DEVICE"
        },
        {
          "name": "Electronic Cigarette",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 38,
      "start_date": "2015-07-23",
      "completion_date": "2018-02-02",
      "has_results": true,
      "last_update_posted_date": "2023-06-22",
      "last_synced_at": "2026-11-15T09:38:57.105Z",
      "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/NCT02470754"
    },
    {
      "nct_id": "NCT06269003",
      "title": "Responses to Message Source and Presentation Using Psychophysiology",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaping"
      ],
      "interventions": [
        {
          "name": "Expert, one-sided",
          "type": "OTHER"
        },
        {
          "name": "Expert, two-sided",
          "type": "OTHER"
        },
        {
          "name": "Peer, one-sided",
          "type": "OTHER"
        },
        {
          "name": "Peer, two-sided",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Massachusetts, Worcester",
      "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": 112,
      "start_date": "2024-02-18",
      "completion_date": "2024-06-10",
      "has_results": true,
      "last_update_posted_date": "2025-08-01",
      "last_synced_at": "2026-11-15T09:38:57.105Z",
      "location_count": 1,
      "location_summary": "Worcester, Massachusetts",
      "locations": [
        {
          "city": "Worcester",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06269003"
    }
  ]
}