{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=e-cigarettes&page=9",
    "query": {
      "intervention": "e-cigarettes",
      "page": 9
    },
    "page_size": 10
  },
  "pagination": {
    "page": 9,
    "page_size": 10,
    "total_count": 439,
    "total_pages": 44,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=e-cigarettes&page=10&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=e-cigarettes&page=8&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-30T22:35:03.573Z",
  "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": "NCT03897530",
      "title": "Experimental Tobacco Marketplace in Regulating Flavored Tobacco Products in Menthol Cigarette Smokers",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "Smoking Cessation Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Functional Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Roswell Park Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 103,
      "start_date": "2019-06-30",
      "completion_date": "2023-07-20",
      "has_results": false,
      "last_update_posted_date": "2024-04-03",
      "last_synced_at": "2026-10-30T22:35:03.573Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03897530"
    },
    {
      "nct_id": "NCT07879638",
      "title": "A Study to Determine the Effect of Access to Multiple Tobacco Flavor Options on Smoking Abstinence Among Primary Cigarette Smokers Using an Electronic Nicotine Delivery System",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking",
        "Tobacco"
      ],
      "interventions": [
        {
          "name": "FT25614",
          "type": "OTHER"
        },
        {
          "name": "FT25615",
          "type": "OTHER"
        },
        {
          "name": "FT25616",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "RAI Services Company",
      "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": 480,
      "start_date": "2026-09-30",
      "completion_date": "2027-03",
      "has_results": false,
      "last_update_posted_date": "2026-10-22",
      "last_synced_at": "2026-10-30T22:35:03.573Z",
      "location_count": 5,
      "location_summary": "Fort Lauderdale, Florida • Atlanta, Georgia • Chicago, Illinois + 2 more",
      "locations": [
        {
          "city": "Fort Lauderdale",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Iselin",
          "state": "New Jersey"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07879638"
    },
    {
      "nct_id": "NCT05458895",
      "title": "Evaluating E-Cigarette Nicotine Form, Concentration, and Flavors Among Youth",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "E-cigarette Use"
      ],
      "interventions": [
        {
          "name": "ECIG lab session 1",
          "type": "OTHER"
        },
        {
          "name": "ECIG lab session 2",
          "type": "OTHER"
        },
        {
          "name": "ECIG lab session 3",
          "type": "OTHER"
        },
        {
          "name": "ECIG lab session 4",
          "type": "OTHER"
        },
        {
          "name": "ECIG lab session 5",
          "type": "OTHER"
        },
        {
          "name": "ECIG lab session 6",
          "type": "OTHER"
        },
        {
          "name": "ECIG lab session 7",
          "type": "OTHER"
        },
        {
          "name": "ECIG lab session 8",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "21 Years to 25 Years"
      },
      "enrollment_count": 88,
      "start_date": "2021-12-02",
      "completion_date": "2023-08-07",
      "has_results": true,
      "last_update_posted_date": "2024-11-22",
      "last_synced_at": "2026-10-30T22:35:03.573Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05458895"
    },
    {
      "nct_id": "NCT04231539",
      "title": "Pharmacokinetics, Subjective Effects, and Abuse Liability of Nicotine Salt-Based Vaping Products With Tobacco or Unflavored E-liquids, SALTVAPE Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "Nicotine",
          "type": "DRUG"
        },
        {
          "name": "Vaporizer Device",
          "type": "DEVICE"
        },
        {
          "name": "Salt-HIgh Nicotine Unflavored (Product B)",
          "type": "DRUG"
        },
        {
          "name": "Free-Low Nicotine Tobacco Flavored (Product C)",
          "type": "DRUG"
        },
        {
          "name": "Salt-High Nicotine Tobacco Flavored (Product D)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "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": "2020-02-18",
      "completion_date": "2024-07-10",
      "has_results": true,
      "last_update_posted_date": "2025-10-31",
      "last_synced_at": "2026-10-30T22:35:03.573Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04231539"
    },
    {
      "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": "2026-10-30T22:35:03.573Z",
      "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": "NCT07202039",
      "title": "Electronic Cigarettes as a Harm Reduction Strategy Among People With Opioid Use Disorder on Buprenorphine",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco-flavored EC",
        "Sweet-Cooling EC",
        "Sweet Non-cooling EC"
      ],
      "interventions": [
        {
          "name": "Brief individual counseling sessions",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "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": 90,
      "start_date": "2026-04-29",
      "completion_date": "2029-06-29",
      "has_results": false,
      "last_update_posted_date": "2026-05-12",
      "last_synced_at": "2026-10-30T22:35:03.573Z",
      "location_count": 1,
      "location_summary": "Greenville, South Carolina",
      "locations": [
        {
          "city": "Greenville",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07202039"
    },
    {
      "nct_id": "NCT06448351",
      "title": "Manipulating E-Cigarette Nicotine to Promote Public Health",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco-Related Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Carbon Monoxide Measurement",
          "type": "PROCEDURE"
        },
        {
          "name": "Vaping session",
          "type": "OTHER"
        },
        {
          "name": "Survey 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": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 375,
      "start_date": "2024-05-20",
      "completion_date": "2028-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-14",
      "last_synced_at": "2026-10-30T22:35:03.573Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06448351"
    },
    {
      "nct_id": "NCT03098004",
      "title": "Effects of e-Cigarettes on Nicotine Withdrawal",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Electronic Cigarettes"
      ],
      "interventions": [
        {
          "name": "e-Cigarette",
          "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": 37,
      "start_date": "2017-01-01",
      "completion_date": "2019-08-31",
      "has_results": false,
      "last_update_posted_date": "2023-07-11",
      "last_synced_at": "2026-10-30T22:35:03.573Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03098004"
    },
    {
      "nct_id": "NCT06948058",
      "title": "Clinical Research Evaluating Smoking Cessation With E-Cigarettes and Nicotine Therapy",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation",
        "Obesity and Obesity-related Medical Conditions"
      ],
      "interventions": [
        {
          "name": "Electronic Cigarettes (EC)",
          "type": "OTHER"
        },
        {
          "name": "Nicotine replacement therapy (NRT)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Brown University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2025-04-01",
      "completion_date": "2027-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-18",
      "last_synced_at": "2026-10-30T22:35:03.573Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06948058"
    },
    {
      "nct_id": "NCT01775787",
      "title": "Effects of Electronic Cigarettes on Nicotine Concentrations",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Health Behavior"
      ],
      "interventions": [
        {
          "name": "Nicotine with Tobacco Flavor and Tobacco & Menthol Flavor",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "UConn Health",
      "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": 27,
      "start_date": "2012-10",
      "completion_date": "2015-06",
      "has_results": true,
      "last_update_posted_date": "2017-11-30",
      "last_synced_at": "2026-10-30T22:35:03.573Z",
      "location_count": 1,
      "location_summary": "Farmington, Connecticut",
      "locations": [
        {
          "city": "Farmington",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01775787"
    }
  ]
}