{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=E-cigarette+Use", "query": { "condition": "E-cigarette Use" }, "page_size": 10 }, "pagination": { "page": 1, "page_size": 10, "total_count": 361, "total_pages": 37, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=E-cigarette+Use&page=2&page_size=10", "previous_page_url": null }, "source": "remote", "last_synced_at": "2026-06-10T10:07:40.160Z", "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": "NCT03830892", "title": "Effects of E-Cigarette Power and Nicotine Content in Dual Users and Vapers", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Electronic Cigarettes" ], "interventions": [ { "name": "E-cigarette Lab Session 15 watts, 10 mg nicotine", "type": "OTHER" }, { "name": "E-cigarette Lab Session 15 watts, 30 mg nicotine", "type": "OTHER" }, { "name": "E-cigarette Lab Session 30 watts, 10 mg nicotine", "type": "OTHER" }, { "name": "E-cigarette Lab Session 30 watts, 30 mg nicotine", "type": "OTHER" }, { "name": "Own Brand Session - E-cigarette", "type": "OTHER" }, { "name": "Own Brand Session - E-cigarette/Cigarette", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "Virginia Commonwealth University", "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": 48, "start_date": "2019-01-18", "completion_date": "2020-03-06", "has_results": true, "last_update_posted_date": "2021-06-04", "last_synced_at": "2026-06-10T10:07:40.160Z", "location_count": 1, "location_summary": "Richmond, Virginia", "locations": [ { "city": "Richmond", "state": "Virginia" } ], "official_url": "https://clinicaltrials.gov/study/NCT03830892" }, { "nct_id": "NCT04332926", "title": "Effects of E-Cigarette Nicotine Content in Smokers (Nicotine Flux Study)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Electronic Cigarette Use" ], "interventions": [ { "name": "Tobacco product administration and assessment, own brand cigarettes", "type": "OTHER" }, { "name": "Tobacco product administration and assessment, ECIG 30 Watts, 0 mg/ml nicotine", "type": "OTHER" }, { "name": "Tobacco product administration and assessment, ECIG 30 Watts, 8 mg/ml nicotine", "type": "OTHER" }, { "name": "Tobacco product administration and assessment, ECIG 30 Watts, 15 mg/ml nicotine", "type": "OTHER" }, { "name": "Tobacco product administration and assessment, ECIG 30 Watts, 30 mg/ml 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": 44, "start_date": "2021-01-05", "completion_date": "2023-09-08", "has_results": true, "last_update_posted_date": "2025-02-13", "last_synced_at": "2026-06-10T10:07:40.160Z", "location_count": 1, "location_summary": "Richmond, Virginia", "locations": [ { "city": "Richmond", "state": "Virginia" } ], "official_url": "https://clinicaltrials.gov/study/NCT04332926" }, { "nct_id": "NCT07129265", "title": "Understanding Vape Marketing Study", "overall_status": "ENROLLING_BY_INVITATION", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "E-cigarette", "Vaping", "Tobacco", "Nicotine", "Adolescent Behavior", "Video Information", "Digital Education Interventions" ], "interventions": [ { "name": "Working group", "type": "OTHER" }, { "name": "Focus group", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "Boston Children's Hospital", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "13 Years", "maximum_age": null, "sex": "ALL", "summary": "13 Years and older" }, "enrollment_count": 46, "start_date": "2025-08-04", "completion_date": "2027-04-30", "has_results": false, "last_update_posted_date": "2025-08-19", "last_synced_at": "2026-06-10T10:07:40.160Z", "location_count": 1, "location_summary": "Boston, Massachusetts", "locations": [ { "city": "Boston", "state": "Massachusetts" } ], "official_url": "https://clinicaltrials.gov/study/NCT07129265" }, { "nct_id": "NCT02520349", "title": "Lab to Real World Assessment of E-cigarette Abuse Liability and Appeal", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Nicotine Dependence" ], "interventions": [ { "name": "MarkTen and e-Go e-cigarettes", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "Truth Initiative", "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": 80, "start_date": "2016-05", "completion_date": "2018-08-31", "has_results": false, "last_update_posted_date": "2020-10-06", "last_synced_at": "2026-06-10T10:07:40.160Z", "location_count": 2, "location_summary": "Washington D.C., District of Columbia • Richmond, Virginia", "locations": [ { "city": "Washington D.C.", "state": "District of Columbia" }, { "city": "Richmond", "state": "Virginia" } ], "official_url": "https://clinicaltrials.gov/study/NCT02520349" }, { "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": "2026-06-10T10:07:40.160Z", "location_count": 1, "location_summary": "Greenville, South Carolina", "locations": [ { "city": "Greenville", "state": "South Carolina" } ], "official_url": "https://clinicaltrials.gov/study/NCT07202039" }, { "nct_id": "NCT03826303", "title": "The Impact of Vaping Ethanol in the Evaluation of Impairment", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Electronic Cigarette Use" ], "interventions": [ { "name": "E-cigarette liquid with ethanol, 1 puff", "type": "OTHER" }, { "name": "E-cigarette liquid without ethanol, 1 puff", "type": "OTHER" }, { "name": "E-cigarette liquid with ethanol, 10 puffs", "type": "OTHER" }, { "name": "E-cigarette liquid without ethanol, 10 puffs", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "Virginia Commonwealth University", "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": 17, "start_date": "2021-04-02", "completion_date": "2022-04-08", "has_results": false, "last_update_posted_date": "2022-04-19", "last_synced_at": "2026-06-10T10:07:40.160Z", "location_count": 1, "location_summary": "Richmond, Virginia", "locations": [ { "city": "Richmond", "state": "Virginia" } ], "official_url": "https://clinicaltrials.gov/study/NCT03826303" }, { "nct_id": "NCT04090879", "title": "Low Nicotine Content Cigarettes in Vulnerable Populations: Affective Disorders", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Tobacco Use Disorder" ], "interventions": [ { "name": "Either normal nicotine content cigarettes (15.8mg/g) or reduced nicotine content cigarettes (0.4mg/g)", "type": "OTHER" }, { "name": "E-Cigarettes", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "Brown University", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "70 Years", "sex": "ALL", "summary": "18 Years to 70 Years" }, "enrollment_count": 326, "start_date": "2020-10-18", "completion_date": "2023-11-27", "has_results": true, "last_update_posted_date": "2025-04-01", "last_synced_at": "2026-06-10T10:07:40.160Z", "location_count": 2, "location_summary": "Providence, Rhode Island • Burlington, Vermont", "locations": [ { "city": "Providence", "state": "Rhode Island" }, { "city": "Burlington", "state": "Vermont" } ], "official_url": "https://clinicaltrials.gov/study/NCT04090879" }, { "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": "2026-06-10T10:07:40.160Z", "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": "NCT03839745", "title": "Short-Term Cardiovascular Effects of E-Cigarettes: Influence of Device Power", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Cardiovascular Risk Factor", "Nicotine Dependence" ], "interventions": [ { "name": "Electronic Cigarette", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "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": 16, "start_date": "2019-03-26", "completion_date": "2021-12-31", "has_results": false, "last_update_posted_date": "2024-07-01", "last_synced_at": "2026-06-10T10:07:40.160Z", "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/NCT03839745" }, { "nct_id": "NCT05587504", "title": "Determination of Liquid Flavor and Nicotine Form Outcomes", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Electronic Cigarettes" ], "interventions": [ { "name": "E-cigarette with sweetness type 1 and pronation level 1", "type": "OTHER" }, { "name": "E-cigarette with sweetness type 1 and pronation level 2", "type": "OTHER" }, { "name": "E-cigarette with sweetness type 2 and pronation level 1", "type": "OTHER" }, { "name": "E-cigarette with sweetness type 2 and pronation level 2", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "Virginia Commonwealth University", "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": 13, "start_date": "2023-07-21", "completion_date": "2024-07-24", "has_results": false, "last_update_posted_date": "2026-02-06", "last_synced_at": "2026-06-10T10:07:40.160Z", "location_count": 1, "location_summary": "Richmond, Virginia", "locations": [ { "city": "Richmond", "state": "Virginia" } ], "official_url": "https://clinicaltrials.gov/study/NCT05587504" } ] }