{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=electronic+cigarette+exposure&page=2",
    "query": {
      "intervention": "electronic cigarette exposure",
      "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+exposure&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-26T07:03:30.555Z",
  "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": "NCT04107779",
      "title": "Changes in Biomarkers of Cigarette Smoke Exposure After Switching Either Exclusively or Partly to JUUL ENDS",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Electronic Cigarette Use",
        "Cigarette Use, Electronic",
        "Tobacco Use",
        "Tobacco Smoking"
      ],
      "interventions": [
        {
          "name": "Switch from UB of Combustible Cigarette to JUUL 5% Virginia Tobacco ENDS",
          "type": "OTHER"
        },
        {
          "name": "Switch from UB of Combustible Cigarette to JUUL 3% Virginia Tobacco ENDS",
          "type": "OTHER"
        },
        {
          "name": "Switch from UB of Combustible Cigarette to JUUL 5% Mint ENDS",
          "type": "OTHER"
        },
        {
          "name": "Switch from UB of Combustible Cigarette to JUUL 3% Mint ENDS",
          "type": "OTHER"
        },
        {
          "name": "Switch from UB of Combustible Cigarette to JUUL 5% Menthol ENDS",
          "type": "OTHER"
        },
        {
          "name": "Switch from UB of Combustible Cigarette to JUUL 3% Menthol ENDS",
          "type": "OTHER"
        },
        {
          "name": "Switch from UB of Combustible Cigarette to JUUL 5% Mango ENDS",
          "type": "OTHER"
        },
        {
          "name": "Switch from UB of Combustible Cigarette to JUUL 3% Mango ENDS",
          "type": "OTHER"
        },
        {
          "name": "Switch to Dual-use of JUUL 5% and UB of Combustible Cigarette",
          "type": "OTHER"
        },
        {
          "name": "Tobacco/Nicotine Abstention",
          "type": "OTHER"
        },
        {
          "name": "Usual Brand of cigarettes",
          "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": 279,
      "start_date": "2019-09-17",
      "completion_date": "2020-06-24",
      "has_results": false,
      "last_update_posted_date": "2020-07-28",
      "last_synced_at": "2026-09-26T07:03:30.555Z",
      "location_count": 5,
      "location_summary": "Little Rock, Arkansas • Rogers, Arkansas • St Louis, Missouri + 2 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Rogers",
          "state": "Arkansas"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Dayton",
          "state": "Ohio"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04107779"
    },
    {
      "nct_id": "NCT04430634",
      "title": "A Study to Evaluate Nicotine Uptake and Biomarkers in Smokers Using mybluTM Electronic Cigarettes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "Myblu variant A",
          "type": "OTHER"
        },
        {
          "name": "Myblu variant B",
          "type": "OTHER"
        },
        {
          "name": "Myblu variant C",
          "type": "OTHER"
        },
        {
          "name": "Myblu variant D",
          "type": "OTHER"
        },
        {
          "name": "Myblu variant E",
          "type": "OTHER"
        },
        {
          "name": "Myblu variant F",
          "type": "OTHER"
        },
        {
          "name": "Myblu variant G",
          "type": "OTHER"
        },
        {
          "name": "Myblu variant H",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Fontem US LLC",
      "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": 40,
      "start_date": "2019-11-01",
      "completion_date": "2020-01-31",
      "has_results": true,
      "last_update_posted_date": "2021-06-07",
      "last_synced_at": "2026-09-26T07:03:30.555Z",
      "location_count": 1,
      "location_summary": "Lincoln, Nebraska",
      "locations": [
        {
          "city": "Lincoln",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04430634"
    },
    {
      "nct_id": "NCT07612696",
      "title": "Impact of Electronic Cigarette Temperature and Solvent on Biomarkers",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Oxidative Stress",
        "Tobacco Use",
        "Electronic Cigarettes"
      ],
      "interventions": [
        {
          "name": "High temperature wattage setting on electronic cigarette",
          "type": "OTHER"
        },
        {
          "name": "Low temperature wattage setting on electronic cigarette",
          "type": "OTHER"
        },
        {
          "name": "High concentration of Propylene Glycol",
          "type": "OTHER"
        },
        {
          "name": "Low concentration of Propylene Glycol",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Milton S. Hershey Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2026-10-15",
      "completion_date": "2028-12",
      "has_results": false,
      "last_update_posted_date": "2026-09-15",
      "last_synced_at": "2026-09-26T07:03:30.555Z",
      "location_count": 1,
      "location_summary": "Hershey, Pennsylvania",
      "locations": [
        {
          "city": "Hershey",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07612696"
    },
    {
      "nct_id": "NCT06021613",
      "title": "The MARY-JANE Cannabis and Heart Rhythm Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Premature Atrial Contractions",
        "Premature Ventricular Contractions"
      ],
      "interventions": [
        {
          "name": "Randomized instructions",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "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": 108,
      "start_date": "2024-01-18",
      "completion_date": "2025-05-15",
      "has_results": false,
      "last_update_posted_date": "2026-07-22",
      "last_synced_at": "2026-09-26T07:03:30.555Z",
      "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/NCT06021613"
    },
    {
      "nct_id": "NCT02724241",
      "title": "E-Cigarettes and SNA",
      "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-cigarette without nicotine",
          "type": "OTHER"
        },
        {
          "name": "one time exposure to empty e-cigarette",
          "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": 100,
      "start_date": "2015-04",
      "completion_date": "2021-12",
      "has_results": false,
      "last_update_posted_date": "2021-12-20",
      "last_synced_at": "2026-09-26T07:03:30.555Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02724241"
    },
    {
      "nct_id": "NCT04429932",
      "title": "A Study to Evaluate Nicotine Uptake and Biomarkers in Adult Smokers Using mybluTM Electronic Cigarettes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "Myblu flavor A_2.4",
          "type": "OTHER"
        },
        {
          "name": "Myblu flavor B_2.4",
          "type": "OTHER"
        },
        {
          "name": "Myblu flavor C_2.4",
          "type": "OTHER"
        },
        {
          "name": "Myblu flavor D_2.4",
          "type": "OTHER"
        },
        {
          "name": "Myblu flavor E_1.2",
          "type": "OTHER"
        },
        {
          "name": "Myblu flavor F_1.2",
          "type": "OTHER"
        },
        {
          "name": "Myblu flavor G_2.4",
          "type": "OTHER"
        },
        {
          "name": "Myblu flavor H_2.4",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Fontem US LLC",
      "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": 39,
      "start_date": "2019-12-01",
      "completion_date": "2020-01-31",
      "has_results": true,
      "last_update_posted_date": "2021-06-07",
      "last_synced_at": "2026-09-26T07:03:30.555Z",
      "location_count": 1,
      "location_summary": "Lincoln, Nebraska",
      "locations": [
        {
          "city": "Lincoln",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04429932"
    },
    {
      "nct_id": "NCT03041493",
      "title": "Investigation of the Effects of Electronic Cigarettes on Vascular Health",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vascular Health"
      ],
      "interventions": [
        {
          "name": "Electronic cigarette",
          "type": "BEHAVIORAL"
        },
        {
          "name": "traditional cigarette",
          "type": "BEHAVIORAL"
        },
        {
          "name": "(sham cigarette) - no actual exposure to cigarettes",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "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": 12,
      "start_date": "2017-02-01",
      "completion_date": "2021-06-11",
      "has_results": false,
      "last_update_posted_date": "2021-06-18",
      "last_synced_at": "2026-09-26T07:03:30.555Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03041493"
    },
    {
      "nct_id": "NCT04019626",
      "title": "A Study to Assess Tobacco-related Biomarkers of Exposure in Smokers Using myBlu E-cigarettes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "Continue-smoking",
          "type": "OTHER"
        },
        {
          "name": "myblu Tobacco 2.5%",
          "type": "OTHER"
        },
        {
          "name": "myblu Tobacco 4.0%",
          "type": "OTHER"
        },
        {
          "name": "myblu Honeymoon 2.5%",
          "type": "OTHER"
        },
        {
          "name": "myblu Honeymoon 4.0%",
          "type": "OTHER"
        },
        {
          "name": "JUUL 5%",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Fontem Ventures BV",
      "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": 240,
      "start_date": "2019-03-01",
      "completion_date": "2020-12-31",
      "has_results": true,
      "last_update_posted_date": "2021-06-30",
      "last_synced_at": "2026-09-26T07:03:30.555Z",
      "location_count": 1,
      "location_summary": "Lincoln, Nebraska",
      "locations": [
        {
          "city": "Lincoln",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04019626"
    },
    {
      "nct_id": "NCT05932745",
      "title": "Effects of Novel E-cigarette Constituents on Adults TCORS 3.0",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nicotine Use Disorder"
      ],
      "interventions": [
        {
          "name": "E-liquid coolant (No WS-3) for non-menthol (1)",
          "type": "OTHER"
        },
        {
          "name": "E-liquid coolant (No WS-3) for low (0.1%) menthol (1)",
          "type": "OTHER"
        },
        {
          "name": "E-liquid coolant (No WS-3) for high (2.0%) menthol (1)",
          "type": "OTHER"
        },
        {
          "name": "E-liquid coolant (Low [0.1%] WS-3) for non-menthol (2)",
          "type": "OTHER"
        },
        {
          "name": "E-liquid coolant (Low [0.1%] WS-3) for low (0.1%) menthol (2)",
          "type": "OTHER"
        },
        {
          "name": "E-liquid coolant (Low [0.1%] WS-3) for high (2.0%) menthol (2)",
          "type": "OTHER"
        },
        {
          "name": "E-liquid coolant (High [2.0%] WS-3) for non-menthol (3)",
          "type": "OTHER"
        },
        {
          "name": "E-liquid coolant (High [2.0%] WS-3) for low (0.1%) menthol (3)",
          "type": "OTHER"
        },
        {
          "name": "E-liquid coolant (High [2.0%] WS-3) for high (2.0%) menthol (3)",
          "type": "OTHER"
        },
        {
          "name": "E-liquid coolant (Low [0.1%] WS-23) for non-menthol (4)",
          "type": "OTHER"
        },
        {
          "name": "E-liquid coolant (Low [0.1%] WS-23) for low (0.1%) menthol (4)",
          "type": "OTHER"
        },
        {
          "name": "E-liquid coolant (Low [0.1%] WS-23) for high (2.0%) menthol (4)",
          "type": "OTHER"
        },
        {
          "name": "E-liquid coolant (High [2.0%] WS-23) for non-menthol (5)",
          "type": "OTHER"
        },
        {
          "name": "E-liquid coolant (High [2.0%] WS-23) for low (0.1%) menthol (5)",
          "type": "OTHER"
        },
        {
          "name": "E-liquid coolant (High [2.0%] WS-23) for high (2.0%) menthol (5)",
          "type": "OTHER"
        },
        {
          "name": "E-liquid coolant (4% WS-23) for non-menthol (6)",
          "type": "OTHER"
        },
        {
          "name": "E-liquid coolant (4% WS-23) for low (0.1%) menthol (6)",
          "type": "OTHER"
        },
        {
          "name": "E-liquid coolant (4% WS-23) for high (2.0%) menthol (6)",
          "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": 66,
      "start_date": "2025-06-20",
      "completion_date": "2026-08",
      "has_results": false,
      "last_update_posted_date": "2026-06-16",
      "last_synced_at": "2026-09-26T07:03:30.555Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05932745"
    },
    {
      "nct_id": "NCT01935713",
      "title": "Preliminary Investigation of Novel Methods to Reduce Children's Secondhand Smoke Exposure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Secondhand Smoke"
      ],
      "interventions": [
        {
          "name": "Nicotine polacrilex",
          "type": "DRUG"
        },
        {
          "name": "Electronic Cigarette",
          "type": "DRUG"
        },
        {
          "name": "Dissolvable Tobacco Lozenge",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Oklahoma",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 89,
      "start_date": "2012-04",
      "completion_date": "2012-12",
      "has_results": false,
      "last_update_posted_date": "2026-04-06",
      "last_synced_at": "2026-09-26T07:03:30.555Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01935713"
    }
  ]
}