{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=E-cig+User&page=2",
    "query": {
      "condition": "E-cig User",
      "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?condition=E-cig+User&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-06-26T11:20:04.482Z",
  "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": "NCT07594717",
      "title": "Effects of E-Cigarette Flavors on Adult E-Cigarette Users With Opioid Use Disorder",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Nicotine Use Disoder",
        "Opioid Use Disorder"
      ],
      "interventions": [
        {
          "name": "Sweet-cooling",
          "type": "DRUG"
        },
        {
          "name": "Sweet non-cooling EC flavor",
          "type": "DRUG"
        },
        {
          "name": "Tobacco flavor EC",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Prisma Health-Upstate",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 70,
      "start_date": "2025-11-12",
      "completion_date": "2026-05",
      "has_results": false,
      "last_update_posted_date": "2026-05-22",
      "last_synced_at": "2026-06-26T11:20:04.482Z",
      "location_count": 1,
      "location_summary": "Greenville, South Carolina",
      "locations": [
        {
          "city": "Greenville",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07594717"
    },
    {
      "nct_id": "NCT02102100",
      "title": "The Effects of Menthol as Delivered by an Electronic Cigarette on the Desirability of Nicotine in Tobacco Users",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "nicotine",
          "type": "DRUG"
        },
        {
          "name": "menthol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Yale University",
      "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": 57,
      "start_date": "2014-03-26",
      "completion_date": "2016-07-11",
      "has_results": true,
      "last_update_posted_date": "2020-03-19",
      "last_synced_at": "2026-06-26T11:20:04.482Z",
      "location_count": 2,
      "location_summary": "West Haven, Connecticut",
      "locations": [
        {
          "city": "West Haven",
          "state": "Connecticut"
        },
        {
          "city": "West Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02102100"
    },
    {
      "nct_id": "NCT03575468",
      "title": "Enhanced E-cigarette Coaching Intervention for Dual Users of Cigarettes and E-cigarettes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Enhanced E-cigarette Coaching",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Quitline treatment as usual",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Consumer Wellness Solutions",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 110,
      "start_date": "2018-05-07",
      "completion_date": "2020-10-01",
      "has_results": true,
      "last_update_posted_date": "2023-10-16",
      "last_synced_at": "2026-06-26T11:20:04.482Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03575468"
    },
    {
      "nct_id": "NCT05030194",
      "title": "Comparing Nicotine Delivery, Subjective Effects, and Sensory Experiences of Tobacco Users Using Oral Nicotine Products and Electronic Cigarettes [ZYN Study]",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use",
        "Tobacco Smoking",
        "Cigarette Smoking",
        "Smokeless Tobacco Cessation"
      ],
      "interventions": [
        {
          "name": "Electronic Cigarette",
          "type": "OTHER"
        },
        {
          "name": "Oral Nicotine Pouch",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Roswell Park Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "21 Years to 55 Years"
      },
      "enrollment_count": 15,
      "start_date": "2021-10-21",
      "completion_date": "2023-01-25",
      "has_results": false,
      "last_update_posted_date": "2023-10-26",
      "last_synced_at": "2026-06-26T11:20:04.482Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05030194"
    },
    {
      "nct_id": "NCT04003805",
      "title": "Biomarkers of Exposure and Effect in Standardized Research E-cigarette (SREC) Users",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Smoking, Cigarette"
      ],
      "interventions": [
        {
          "name": "Standardized Research E-cigarette (SREC)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Masonic Cancer Center, University of Minnesota",
      "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": 47,
      "start_date": "2022-05-11",
      "completion_date": "2026-08-20",
      "has_results": true,
      "last_update_posted_date": "2026-06-24",
      "last_synced_at": "2026-06-26T11:20:04.482Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04003805"
    },
    {
      "nct_id": "NCT05112562",
      "title": "Attentional Bias Modification Training for E-cigarette Users",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "E-cigarette Use",
        "Tobacco Use Cessation"
      ],
      "interventions": [
        {
          "name": "Computerized attentional bias modification training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Placebo attention control training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Wisconsin, Milwaukee",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "29 Years",
        "sex": "ALL",
        "summary": "18 Years to 29 Years"
      },
      "enrollment_count": 50,
      "start_date": "2021-06-09",
      "completion_date": "2024-12-31",
      "has_results": false,
      "last_update_posted_date": "2022-11-04",
      "last_synced_at": "2026-06-26T11:20:04.482Z",
      "location_count": 1,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05112562"
    },
    {
      "nct_id": "NCT03710590",
      "title": "Effects of Electronic Cigarette Settings and Liquid Concentrations in Cigarette Smokers and Electronic Cigarette Users",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Electronic Cigarettes"
      ],
      "interventions": [
        {
          "name": "ECIG Lab Session 15 watts, 10 mg nicotine",
          "type": "OTHER"
        },
        {
          "name": "ECIG Lab Session 15 watts, 15 mg nicotine",
          "type": "OTHER"
        },
        {
          "name": "ECIG Lab Session 15 watts, 30 mg nicotine",
          "type": "OTHER"
        },
        {
          "name": "ECIG Lab Session 30 watts, 10 mg nicotine",
          "type": "OTHER"
        },
        {
          "name": "ECIG Lab Session 30 watts, 15 mg nicotine",
          "type": "OTHER"
        },
        {
          "name": "ECIG Lab Session 30 watts, 30 mg nicotine",
          "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": 45,
      "start_date": "2019-01-15",
      "completion_date": "2020-03-09",
      "has_results": true,
      "last_update_posted_date": "2022-10-06",
      "last_synced_at": "2026-06-26T11:20:04.482Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03710590"
    },
    {
      "nct_id": "NCT06602492",
      "title": "Compensatory Behavior of E-cig Users in Response to Reduced Nicotine E-liquids",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Healthy",
        "Nicotine Addiction",
        "Electronic Cigarette Use"
      ],
      "interventions": [
        {
          "name": "Lower nicotine e-liquid",
          "type": "DRUG"
        },
        {
          "name": "Higher nicotine eliquid",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Rochester Institute of Technology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 72,
      "start_date": "2021-07-15",
      "completion_date": "2023-11-15",
      "has_results": false,
      "last_update_posted_date": "2024-09-27",
      "last_synced_at": "2026-06-26T11:20:04.482Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06602492"
    },
    {
      "nct_id": "NCT02596685",
      "title": "Effects of Electronic Cigarette Use on the Lungs",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Current Smoker",
        "Never Smoker",
        "Tobacco Use Disorder",
        "Former Smoker",
        "E-cig User"
      ],
      "interventions": [
        {
          "name": "Bronchoscopy",
          "type": "PROCEDURE"
        },
        {
          "name": "Electronic Cigarette",
          "type": "OTHER"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "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": 142,
      "start_date": "2015-12-08",
      "completion_date": "2021-02-02",
      "has_results": false,
      "last_update_posted_date": "2024-07-30",
      "last_synced_at": "2026-06-26T11:20:04.482Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02596685"
    },
    {
      "nct_id": "NCT05473585",
      "title": "Impact of New Standards for Tobacco Products Among Dual E-Cigarette/Combusted Cigarette Users - Project 2",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking",
        "Smoking, Cigarette",
        "E-Cig Use",
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "very low nicotine content cigarettes",
          "type": "OTHER"
        },
        {
          "name": "normal nicotine content cigarettes",
          "type": "OTHER"
        },
        {
          "name": "Study e-cigarette",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 7,
      "start_date": "2022-10-12",
      "completion_date": "2023-05-09",
      "has_results": false,
      "last_update_posted_date": "2023-07-19",
      "last_synced_at": "2026-06-26T11:20:04.482Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05473585"
    }
  ]
}