{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=e-cigarettes&page=6",
    "query": {
      "intervention": "e-cigarettes",
      "page": 6
    },
    "page_size": 10
  },
  "pagination": {
    "page": 6,
    "page_size": 10,
    "total_count": 439,
    "total_pages": 44,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=e-cigarettes&page=7&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=e-cigarettes&page=5&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-30T19:17:58.219Z",
  "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": "NCT03166787",
      "title": "Hookah Smoking, Carbon Monoxide, and Coronary Endothelial Function",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Smoking",
        "Endothelial Dysfunction"
      ],
      "interventions": [
        {
          "name": "Charcoal hookah",
          "type": "OTHER"
        },
        {
          "name": "E-coal hookah",
          "type": "OTHER"
        },
        {
          "name": "Cigarette",
          "type": "OTHER"
        },
        {
          "name": "Carbon Monoxide inhalation",
          "type": "DRUG"
        },
        {
          "name": "Room Air inhalation",
          "type": "OTHER"
        },
        {
          "name": "vitamin C",
          "type": "DRUG"
        },
        {
          "name": "tadalafil",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Cedars-Sinai Medical Center",
      "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": 60,
      "start_date": "2017-08-15",
      "completion_date": "2020-10-15",
      "has_results": false,
      "last_update_posted_date": "2021-04-09",
      "last_synced_at": "2026-10-30T19:17:58.219Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03166787"
    },
    {
      "nct_id": "NCT03496116",
      "title": "The Influence of Electronic (ECIG) Heater Resistance on ECIG Acute Effects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "ECIG Session",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Virginia Commonwealth University",
      "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": 38,
      "start_date": "2018-05-21",
      "completion_date": "2018-12-17",
      "has_results": false,
      "last_update_posted_date": "2019-05-09",
      "last_synced_at": "2026-10-30T19:17:58.219Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03496116"
    },
    {
      "nct_id": "NCT02628964",
      "title": "Electronic Cigarettes (E-cigarettes) as a Harm Reduction Strategy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use Disorder",
        "Smoking"
      ],
      "interventions": [
        {
          "name": "e-cigarettes",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "21 Years to 35 Years"
      },
      "enrollment_count": 100,
      "start_date": "2015-05",
      "completion_date": "2018-03-26",
      "has_results": true,
      "last_update_posted_date": "2020-02-24",
      "last_synced_at": "2026-10-30T19:17:58.219Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02628964"
    },
    {
      "nct_id": "NCT02179034",
      "title": "Flavors and E-cigarette Effects in Adolescent Smokers- STUDY 1",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Nicotine Dependence, Other Tobacco Product"
      ],
      "interventions": [
        {
          "name": "Nicotine",
          "type": "DRUG"
        },
        {
          "name": "Low Dose Menthol",
          "type": "OTHER"
        },
        {
          "name": "High Dose Menthol",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "20 Years",
        "sex": "ALL",
        "summary": "18 Years to 20 Years"
      },
      "enrollment_count": 59,
      "start_date": "2014-10-23",
      "completion_date": "2017-06-12",
      "has_results": false,
      "last_update_posted_date": "2020-05-04",
      "last_synced_at": "2026-10-30T19:17:58.219Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02179034"
    },
    {
      "nct_id": "NCT05703672",
      "title": "Switching to E-cigarettes in Smokers Not Interested in Quitting",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Smoking Reduction"
      ],
      "interventions": [
        {
          "name": "Varenicline Tartrate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Electronic cigarette",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "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": 500,
      "start_date": "2023-07-17",
      "completion_date": "2027-02-28",
      "has_results": false,
      "last_update_posted_date": "2026-10-13",
      "last_synced_at": "2026-10-30T19:17:58.219Z",
      "location_count": 2,
      "location_summary": "Kansas City, Missouri",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Missouri"
        },
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05703672"
    },
    {
      "nct_id": "NCT04047836",
      "title": "Vaping High vs. Low Nicotine E-Liquid",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiovascular Risk Factor",
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "Low Nicotine E-Liquid",
          "type": "OTHER"
        },
        {
          "name": "Medium or High Nicotine E-Liquid",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "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": 0,
      "start_date": "2023-06-01",
      "completion_date": "2023-12-31",
      "has_results": false,
      "last_update_posted_date": "2023-08-22",
      "last_synced_at": "2026-10-30T19:17:58.219Z",
      "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/NCT04047836"
    },
    {
      "nct_id": "NCT07362069",
      "title": "A Virtual Reality Vaping Prevention Intervention for Adolescents",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Vaping"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "15 Years",
        "sex": "ALL",
        "summary": "12 Years to 15 Years"
      },
      "enrollment_count": 40,
      "start_date": "2025-11-12",
      "completion_date": "2026-02-28",
      "has_results": false,
      "last_update_posted_date": "2026-01-26",
      "last_synced_at": "2026-10-30T19:17:58.219Z",
      "location_count": 2,
      "location_summary": "New Haven, Connecticut • Boston, Massachusetts",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07362069"
    },
    {
      "nct_id": "NCT01974063",
      "title": "Alternate Nicotine Delivery Systems and Airway Epithelial Biology",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Smoking",
        "Smoking Cessation"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 96,
      "start_date": "2013-03",
      "completion_date": "2017-05",
      "has_results": false,
      "last_update_posted_date": "2018-05-03",
      "last_synced_at": "2026-10-30T19:17:58.219Z",
      "location_count": 2,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01974063"
    },
    {
      "nct_id": "NCT07218614",
      "title": "Can Mobilizations Applied to the Thoracic Spine Improve Oxygen Saturation Levels and Thoracic Kyphosis in E-Cigarette Smokers?",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Thoracic Kyphosis"
      ],
      "interventions": [
        {
          "name": "Thoracic Mobilization",
          "type": "OTHER"
        },
        {
          "name": "Light Touch Contact",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "New York Institute of Technology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2025-10-15",
      "completion_date": "2026-05-15",
      "has_results": false,
      "last_update_posted_date": "2025-10-20",
      "last_synced_at": "2026-10-30T19:17:58.219Z",
      "location_count": 1,
      "location_summary": "Old Westbury, New York",
      "locations": [
        {
          "city": "Old Westbury",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07218614"
    },
    {
      "nct_id": "NCT07167225",
      "title": "Carcinogen and Toxicant Exposure Among Young Adults Who Co-Use Cigarettes, E-cigarettes and Cannabis (Co-Tox Study)",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cigarette Smoking-Related Carcinoma",
        "E-Cig Use"
      ],
      "interventions": [
        {
          "name": "Effectiveness of different recruitment approaches",
          "type": "OTHER"
        },
        {
          "name": "Choice of study completion locations",
          "type": "OTHER"
        },
        {
          "name": "Cannabis Engagement Assessment",
          "type": "OTHER"
        },
        {
          "name": "E-cigarette dependence Scale",
          "type": "OTHER"
        },
        {
          "name": "Nicotine dependence Scale",
          "type": "OTHER"
        },
        {
          "name": "Co use practices QUestionnaire",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Roswell Park Cancer Institute",
      "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": 150,
      "start_date": "2025-04-03",
      "completion_date": "2028-10-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-26",
      "last_synced_at": "2026-10-30T19:17:58.219Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07167225"
    }
  ]
}