{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=E-cigarette+Switching",
    "query": {
      "intervention": "E-cigarette Switching"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 37,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=E-cigarette+Switching&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T06:36:21.794Z",
  "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": "NCT05142436",
      "title": "BAT3221032: A Study to Evaluate the Effects of Switching From Cigarette Smoking to Using One of Five Variants of a Heated Tobacco Product on Biomarkers of Exposure and Biomarkers of Potential Harm in Healthy Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking",
        "Tobacco Use",
        "Tobacco Smoking"
      ],
      "interventions": [
        {
          "name": "Product A: Non-Combusted Cigarette Variant 42001402 and product use Mode B",
          "type": "OTHER"
        },
        {
          "name": "Product B: Non-Combusted Cigarette Variant 42001399 and product use Mode B",
          "type": "OTHER"
        },
        {
          "name": "Product C: Non-Combusted Cigarette Variant 42001401 and product use Mode B",
          "type": "OTHER"
        },
        {
          "name": "Product D: Non-Combusted Cigarette Variant 40007386 and product use Mode B",
          "type": "OTHER"
        },
        {
          "name": "Product E: Non-Combusted Cigarette Variant 42001402 and product use Mode A",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "British American Tobacco (Investments) Limited",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "26 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "26 Years to 55 Years"
      },
      "enrollment_count": 806,
      "start_date": "2022-01-13",
      "completion_date": "2022-12-13",
      "has_results": false,
      "last_update_posted_date": "2022-12-16",
      "last_synced_at": "2026-09-03T06:36:21.794Z",
      "location_count": 18,
      "location_summary": "Bentonville, Arkansas • Little Rock, Arkansas • Rogers, Arkansas + 14 more",
      "locations": [
        {
          "city": "Bentonville",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Rogers",
          "state": "Arkansas"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Morrow",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05142436"
    },
    {
      "nct_id": "NCT05555069",
      "title": "The Impact of Menthol Flavoring on Switching in Adult Menthol Smokers",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Reduction"
      ],
      "interventions": [
        {
          "name": "Menthol-flavored electronic cigarette",
          "type": "OTHER"
        },
        {
          "name": "Tobacco-flavored electronic cigarette",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Nikki Nollen, PhD, MA",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 800,
      "start_date": "2022-11-08",
      "completion_date": "2027-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-01-23",
      "last_synced_at": "2026-09-03T06:36:21.794Z",
      "location_count": 1,
      "location_summary": "Kansas City, Missouri",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05555069"
    },
    {
      "nct_id": "NCT07039292",
      "title": "Clinical Alternatives for Reducing Harm Using E-cigarettes",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking",
        "E-Cig Use",
        "Oncology"
      ],
      "interventions": [
        {
          "name": "Harm Reduction (E-cigarette switching)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard of Care",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 208,
      "start_date": "2025-08-25",
      "completion_date": "2029-11-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-08",
      "last_synced_at": "2026-09-03T06:36:21.794Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07039292"
    },
    {
      "nct_id": "NCT05918887",
      "title": "Feasibility and Acceptability of Switching to E-cigarettes Among Cigarette Smokers Engaged in SUD Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Dependence Caused by Cigarettes"
      ],
      "interventions": [
        {
          "name": "NJOY ACE commercial e-cigarette",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Nevada, Reno",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 31,
      "start_date": "2024-06-18",
      "completion_date": "2024-09-13",
      "has_results": false,
      "last_update_posted_date": "2025-05-13",
      "last_synced_at": "2026-09-03T06:36:21.794Z",
      "location_count": 1,
      "location_summary": "Reno, Nevada",
      "locations": [
        {
          "city": "Reno",
          "state": "Nevada"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05918887"
    },
    {
      "nct_id": "NCT05855343",
      "title": "Exploratory Study of Switching From Combustible Cigarettes to the BIDI E-cigarette",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "BIDI Stick e-cigarette",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Rose Research Center, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "22 Years to 65 Years"
      },
      "enrollment_count": 25,
      "start_date": "2023-02-14",
      "completion_date": "2023-12-05",
      "has_results": false,
      "last_update_posted_date": "2024-03-19",
      "last_synced_at": "2026-09-03T06:36:21.794Z",
      "location_count": 2,
      "location_summary": "Charlotte, North Carolina • Raleigh, North Carolina",
      "locations": [
        {
          "city": "Charlotte",
          "state": "North Carolina"
        },
        {
          "city": "Raleigh",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05855343"
    },
    {
      "nct_id": "NCT05205811",
      "title": "The Effects of Combination Zonisamide and Bupropion on Switching to an Electronic Cigarette",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Bupropion",
          "type": "DRUG"
        },
        {
          "name": "Zonisamide",
          "type": "DRUG"
        },
        {
          "name": "Placebo bupropion",
          "type": "DRUG"
        },
        {
          "name": "Placebo zonisamide",
          "type": "DRUG"
        },
        {
          "name": "E-cigarette",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Rose Research Center, 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": 180,
      "start_date": "2021-12-14",
      "completion_date": "2025-10-13",
      "has_results": false,
      "last_update_posted_date": "2026-02-06",
      "last_synced_at": "2026-09-03T06:36:21.794Z",
      "location_count": 2,
      "location_summary": "Charlotte, North Carolina • Raleigh, North Carolina",
      "locations": [
        {
          "city": "Charlotte",
          "state": "North Carolina"
        },
        {
          "city": "Raleigh",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05205811"
    },
    {
      "nct_id": "NCT06922617",
      "title": "STEPS: Substance Use Trial of E-cigarettes or Pharmacotherapy for Smoking",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use",
        "Substance Use Disorders"
      ],
      "interventions": [
        {
          "name": "Switching to E-Cigarette",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Quitting using Medication",
          "type": "DRUG"
        },
        {
          "name": "Counseling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 240,
      "start_date": "2025-10-17",
      "completion_date": "2028-09-01",
      "has_results": false,
      "last_update_posted_date": "2026-04-03",
      "last_synced_at": "2026-09-03T06:36:21.794Z",
      "location_count": 4,
      "location_summary": "Charleston, South Carolina • Conway, South Carolina • Greenville, South Carolina + 1 more",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        },
        {
          "city": "Conway",
          "state": "South Carolina"
        },
        {
          "city": "Greenville",
          "state": "South Carolina"
        },
        {
          "city": "Pickens",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06922617"
    },
    {
      "nct_id": "NCT03743532",
      "title": "E-Cigarettes and Financial Incentives to Promote Tobacco Harm Reduction Among Adults Accessing Shelter Services",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "E-cigarette Switching",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Financial Incentives",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Oklahoma",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "21 Years to 100 Years"
      },
      "enrollment_count": 60,
      "start_date": "2022-09-14",
      "completion_date": "2023-03-01",
      "has_results": true,
      "last_update_posted_date": "2025-02-21",
      "last_synced_at": "2026-09-03T06:36:21.794Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03743532"
    },
    {
      "nct_id": "NCT02000921",
      "title": "Reduced Nicotine Content Cigarettes and Tobacco Switching Behaviors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Addiction",
        "Dual Tobacco Use"
      ],
      "interventions": [
        {
          "name": "VLNC cigarettes",
          "type": "OTHER"
        },
        {
          "name": "Combusted Products",
          "type": "OTHER"
        },
        {
          "name": "Non-combusted products",
          "type": "OTHER"
        },
        {
          "name": "CN cigarettes",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 136,
      "start_date": "2013-12",
      "completion_date": "2016-09",
      "has_results": true,
      "last_update_posted_date": "2017-03-31",
      "last_synced_at": "2026-09-03T06:36:21.794Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02000921"
    },
    {
      "nct_id": "NCT06179290",
      "title": "Changes in Biomarker of Exposure in Adults Who Smoke Cigarettes Switching From Cigarettes to Heated Tobacco Products",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use"
      ],
      "interventions": [
        {
          "name": "Ploom HTP Menthol HTS; MX3 (681)",
          "type": "OTHER"
        },
        {
          "name": "Ploom HTP Tobacco HTS; R8 (120)",
          "type": "OTHER"
        },
        {
          "name": "Smoking Abstinence (menthol)",
          "type": "OTHER"
        },
        {
          "name": "Smoking Abstinence (non-menthol)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Altria Client Services LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "22 Years to 65 Years"
      },
      "enrollment_count": 921,
      "start_date": "2023-10-02",
      "completion_date": "2025-03-24",
      "has_results": true,
      "last_update_posted_date": "2026-05-27",
      "last_synced_at": "2026-09-03T06:36:21.794Z",
      "location_count": 8,
      "location_summary": "Bentonville, Arkansas • Rogers, Arkansas • Overland Park, Kansas + 5 more",
      "locations": [
        {
          "city": "Bentonville",
          "state": "Arkansas"
        },
        {
          "city": "Rogers",
          "state": "Arkansas"
        },
        {
          "city": "Overland Park",
          "state": "Kansas"
        },
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Springfield",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06179290"
    }
  ]
}