{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=E-Cigarettes",
    "query": {
      "intervention": "E-Cigarettes"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 434,
    "total_pages": 44,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=E-Cigarettes&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T20:41:47.529Z",
  "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": "NCT02323438",
      "title": "Assess Biomarkers of Tobacco Exposure and Nicotine Pharmacokinetics in Smokers After a 5-Day In-Clinic Confinement Switch to an Electronic Cigarette or Nicotine Gum",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking"
      ],
      "interventions": [
        {
          "name": "Usual Brand Cigarette",
          "type": "OTHER"
        },
        {
          "name": "Electronic Cigarette #1",
          "type": "OTHER"
        },
        {
          "name": "Electronic Cigarette #2",
          "type": "OTHER"
        },
        {
          "name": "Leading U.S. Nicotine Gum",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "R.J. Reynolds Vapor Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "21 Years to 60 Years"
      },
      "enrollment_count": 153,
      "start_date": "2014-12",
      "completion_date": "2015-05",
      "has_results": false,
      "last_update_posted_date": "2018-06-01",
      "last_synced_at": "2026-09-03T20:41:47.529Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02323438"
    },
    {
      "nct_id": "NCT06159608",
      "title": "Sex Differences in the Vascular Effects of E-cigarette Use",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "E-cigarette Use"
      ],
      "interventions": [
        {
          "name": "Local heating + L-NAME (NG-nitro-L-arginine methyl ester; nitric oxide synthase inhibitor)",
          "type": "DRUG"
        },
        {
          "name": "Chronic estrogen exposure",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Anna Stanhewicz, PhD",
      "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": 80,
      "start_date": "2023-12-02",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2025-12-15",
      "last_synced_at": "2026-09-03T20:41:47.529Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06159608"
    },
    {
      "nct_id": "NCT05958966",
      "title": "Effects of e-Cigarettes on Perceptions and Behavior - Substudy 2",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Electronic Cigarette Use",
        "E-Cig Use",
        "Cigarette Smoking",
        "Cigarette Use, Electronic"
      ],
      "interventions": [
        {
          "name": "E-cigarette e-liquid self-administration",
          "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": 73,
      "start_date": "2022-04-01",
      "completion_date": "2023-05-01",
      "has_results": false,
      "last_update_posted_date": "2023-07-25",
      "last_synced_at": "2026-09-03T20:41:47.529Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05958966"
    },
    {
      "nct_id": "NCT04646668",
      "title": "Comparative Abuse Liability Among African American and White Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use Disorder"
      ],
      "interventions": [
        {
          "name": "E-cigarette and Heat not burn",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "University of Kansas Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 22,
      "start_date": "2020-09-21",
      "completion_date": "2021-08-26",
      "has_results": true,
      "last_update_posted_date": "2023-07-28",
      "last_synced_at": "2026-09-03T20:41:47.529Z",
      "location_count": 1,
      "location_summary": "Kansas City, Missouri",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04646668"
    },
    {
      "nct_id": "NCT07210268",
      "title": "Temporal Interference Methods for Addiction Treatment",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nicotine Use Disorder",
        "Substance Use Disorders"
      ],
      "interventions": [
        {
          "name": "TI-NDBS",
          "type": "DEVICE"
        },
        {
          "name": "Sham TI-NDBS",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Indiana University",
      "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": 120,
      "start_date": "2026-01-22",
      "completion_date": "2027-02-27",
      "has_results": false,
      "last_update_posted_date": "2026-07-15",
      "last_synced_at": "2026-09-03T20:41:47.529Z",
      "location_count": 2,
      "location_summary": "Bloomington, Indiana • Indianapolis, Indiana",
      "locations": [
        {
          "city": "Bloomington",
          "state": "Indiana"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07210268"
    },
    {
      "nct_id": "NCT03449017",
      "title": "Reactions to E-cigs and Alcohol",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Alcohol Abuse",
        "Nicotine Dependence Tobacco Product"
      ],
      "interventions": [
        {
          "name": "E-cig use",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 35,
      "start_date": "2017-03-24",
      "completion_date": "2018-11-11",
      "has_results": false,
      "last_update_posted_date": "2018-11-29",
      "last_synced_at": "2026-09-03T20:41:47.529Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03449017"
    },
    {
      "nct_id": "NCT06142877",
      "title": "Effects of Social Media Use on Young Adults' E-Cigarette Use",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Electronic Cigarette Use"
      ],
      "interventions": [
        {
          "name": "Social Media Use Reduction",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Oklahoma",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "18 Years to 25 Years"
      },
      "enrollment_count": 200,
      "start_date": "2023-12-04",
      "completion_date": "2025-03-01",
      "has_results": false,
      "last_update_posted_date": "2024-05-07",
      "last_synced_at": "2026-09-03T20:41:47.529Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06142877"
    },
    {
      "nct_id": "NCT05367492",
      "title": "Varenicline for Nicotine Vaping Cessation in Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Vaping",
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "Double Blind Varenicline",
          "type": "DRUG"
        },
        {
          "name": "Double Blind Placebo",
          "type": "DRUG"
        },
        {
          "name": "QuitVaping",
          "type": "BEHAVIORAL"
        },
        {
          "name": "This Is Quitting",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "16 Years to 25 Years"
      },
      "enrollment_count": 261,
      "start_date": "2022-06-22",
      "completion_date": "2024-05-28",
      "has_results": true,
      "last_update_posted_date": "2025-04-27",
      "last_synced_at": "2026-09-03T20:41:47.529Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05367492"
    },
    {
      "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": "2026-09-03T20:41:47.529Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04678245"
    },
    {
      "nct_id": "NCT07322432",
      "title": "The CONQUER Trial - Cessation Of Nicotine, QUitting With E-cigarette Reduction",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Addiction Nicotine"
      ],
      "interventions": [
        {
          "name": "VapeAway filter system",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "VapeAway",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 70,
      "start_date": "2025-12-24",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-01-07",
      "last_synced_at": "2026-09-03T20:41:47.529Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07322432"
    }
  ]
}