{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=E-cigarette+Smokers&page=2",
    "query": {
      "condition": "E-cigarette Smokers",
      "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-cigarette+Smokers&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-07-22T19:23:46.787Z",
  "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": "NCT05610514",
      "title": "Pulmonary and Cardiac Effects of E-Cigarette Use in Pulmonary Patients Who Smoke Cigarettes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Obstructive Pulmonary Disease",
        "Chronic Bronchitis",
        "Emphysema",
        "Asthma-COPD Overlap Syndrome"
      ],
      "interventions": [
        {
          "name": "E-Cigarette",
          "type": "OTHER"
        },
        {
          "name": "Financial Incentives",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "University of Vermont",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 21,
      "start_date": "2022-04-28",
      "completion_date": "2023-12-01",
      "has_results": false,
      "last_update_posted_date": "2024-02-08",
      "last_synced_at": "2026-07-22T19:23:46.787Z",
      "location_count": 1,
      "location_summary": "Burlington, Vermont",
      "locations": [
        {
          "city": "Burlington",
          "state": "Vermont"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05610514"
    },
    {
      "nct_id": "NCT02188511",
      "title": "Effects of Electronic Cigarettes on Lung Biology",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lung Disease",
        "Lung Disorder"
      ],
      "interventions": [
        {
          "name": "Group A",
          "type": "OTHER"
        },
        {
          "name": "Group B",
          "type": "OTHER"
        },
        {
          "name": "Group C",
          "type": "OTHER"
        },
        {
          "name": "Group D",
          "type": "OTHER"
        },
        {
          "name": "Group E",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "21 Years to 85 Years"
      },
      "enrollment_count": 13,
      "start_date": "2014-01",
      "completion_date": "2018-07",
      "has_results": false,
      "last_update_posted_date": "2020-07-24",
      "last_synced_at": "2026-07-22T19:23:46.787Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02188511"
    },
    {
      "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": "2025-12-29",
      "last_synced_at": "2026-07-22T19:23:46.787Z",
      "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": "NCT05722561",
      "title": "E-Cigarettes for Harm Reduction in Smokers With Opioid Use Disorder",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Opioid Use Disorder",
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "Telehealth Motivational Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Nicotine Replacement Product",
          "type": "DRUG"
        },
        {
          "name": "National Institute on Drug Abuse (NIDA) Standardized Research Electronic Cigarette (SREC).",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "21 Years to 75 Years"
      },
      "enrollment_count": 302,
      "start_date": "2024-08-08",
      "completion_date": "2027-03-01",
      "has_results": false,
      "last_update_posted_date": "2026-03-11",
      "last_synced_at": "2026-07-22T19:23:46.787Z",
      "location_count": 2,
      "location_summary": "New York, New York • The Bronx, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05722561"
    },
    {
      "nct_id": "NCT05960305",
      "title": "CSD201204 An Actual Use Study of P12 Electronic Nicotine Delivery System Among U.S. Adult Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking, Tobacco"
      ],
      "interventions": [
        {
          "name": "P1213416",
          "type": "OTHER"
        },
        {
          "name": "P1213422",
          "type": "OTHER"
        },
        {
          "name": "P1213716",
          "type": "OTHER"
        },
        {
          "name": "P1213722",
          "type": "OTHER"
        },
        {
          "name": "P1211216",
          "type": "OTHER"
        },
        {
          "name": "P1211222",
          "type": "OTHER"
        },
        {
          "name": "P1213616",
          "type": "OTHER"
        },
        {
          "name": "P1213622",
          "type": "OTHER"
        },
        {
          "name": "P1213816",
          "type": "OTHER"
        },
        {
          "name": "P1213822",
          "type": "OTHER"
        },
        {
          "name": "P1211916",
          "type": "OTHER"
        },
        {
          "name": "P1211922",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "RAI Services 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": 1845,
      "start_date": "2023-09-15",
      "completion_date": "2024-01-28",
      "has_results": false,
      "last_update_posted_date": "2024-02-23",
      "last_synced_at": "2026-07-22T19:23:46.787Z",
      "location_count": 12,
      "location_summary": "Phoenix, Arizona • Fort Lauderdale, Florida • Orlando, Florida + 9 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Fort Lauderdale",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05960305"
    },
    {
      "nct_id": "NCT03168191",
      "title": "Flavors and E-cigarette Effects in Adolescent Smokers- STUDY 2",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "Nicotine",
          "type": "DRUG"
        },
        {
          "name": "Experimental Flavor",
          "type": "OTHER"
        },
        {
          "name": "Menthol Flavor",
          "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": 56,
      "start_date": "2017-05-02",
      "completion_date": "2019-02-25",
      "has_results": false,
      "last_update_posted_date": "2020-05-04",
      "last_synced_at": "2026-07-22T19:23:46.787Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03168191"
    },
    {
      "nct_id": "NCT05949034",
      "title": "Effects of E-Cigarettes in Menthol Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "E-cigarette Use",
        "Smoking Behaviors"
      ],
      "interventions": [
        {
          "name": "JUUL E-Cigarette Device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "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": 19,
      "start_date": "2019-07-01",
      "completion_date": "2020-11-14",
      "has_results": false,
      "last_update_posted_date": "2023-07-20",
      "last_synced_at": "2026-07-22T19:23:46.787Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05949034"
    },
    {
      "nct_id": "NCT03691350",
      "title": "Bronchoscopy in Determining the Effect of E-Cigarette Smoking on Biomarkers in the Lungs",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Cigarette Smoker",
        "Current Every Day Smoker"
      ],
      "interventions": [
        {
          "name": "Bronchoscopy with Bronchoalveolar Lavage",
          "type": "PROCEDURE"
        },
        {
          "name": "Cigarette",
          "type": "DRUG"
        },
        {
          "name": "Electronic Cigarette",
          "type": "OTHER"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Nicotine Replacement",
          "type": "DRUG"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "52 Years",
        "sex": "ALL",
        "summary": "21 Years to 52 Years"
      },
      "enrollment_count": 66,
      "start_date": "2018-09-17",
      "completion_date": "2024-03-10",
      "has_results": true,
      "last_update_posted_date": "2026-04-23",
      "last_synced_at": "2026-07-22T19:23:46.787Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03691350"
    },
    {
      "nct_id": "NCT03050853",
      "title": "The Appeal and Impact of E-cigarettes in Smokers With SMI",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Dependence",
        "Schizophrenia",
        "Bipolar Disorder",
        "Schizoaffective Disorder"
      ],
      "interventions": [
        {
          "name": "E-cigarette",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Dartmouth-Hitchcock Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 240,
      "start_date": "2017-03-01",
      "completion_date": "2021-01-31",
      "has_results": false,
      "last_update_posted_date": "2021-03-29",
      "last_synced_at": "2026-07-22T19:23:46.787Z",
      "location_count": 2,
      "location_summary": "Louisville, Kentucky • Lawrence, Massachusetts",
      "locations": [
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "Lawrence",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03050853"
    },
    {
      "nct_id": "NCT05864586",
      "title": "Developing E-liquid Product Standards (Sweet Spot Study)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nicotine",
        "Nicotine Vaping",
        "E-cigarette Use"
      ],
      "interventions": [
        {
          "name": "Vaping study EC A",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Vaping study EC B",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Vaping study EC C",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Vaping study EC D",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Vaping study EC E",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Vaping study EC F",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Vaping study EC G",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Vaping study EC H",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Vaping study EC I",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Vaping study EC J",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "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": 150,
      "start_date": "2023-05-30",
      "completion_date": "2024-02-26",
      "has_results": true,
      "last_update_posted_date": "2025-04-10",
      "last_synced_at": "2026-07-22T19:23:46.787Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05864586"
    }
  ]
}