{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=E-cigarette+e-liquid&page=2", "query": { "intervention": "E-cigarette e-liquid", "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?intervention=E-cigarette+e-liquid&page=1&page_size=10" }, "source": "remote", "last_synced_at": "2026-09-29T16:10:49.524Z", "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": "NCT05327439", "title": "Using ANDS to Reduce Harm for Low SES Cigarette Smokers", "overall_status": "UNKNOWN", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Smoking, Cigarette", "Nicotine Dependence" ], "interventions": [ { "name": "Nicotine (electronic cigarette)", "type": "OTHER" }, { "name": "Nicotine (nicotine pouch)", "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": 45, "start_date": "2022-03-23", "completion_date": "2023-02-09", "has_results": false, "last_update_posted_date": "2023-01-26", "last_synced_at": "2026-09-29T16:10:49.524Z", "location_count": 1, "location_summary": "Providence, Rhode Island", "locations": [ { "city": "Providence", "state": "Rhode Island" } ], "official_url": "https://clinicaltrials.gov/study/NCT05327439" }, { "nct_id": "NCT05962229", "title": "Comparative Pharmacokinetics and Pharmacodynamics of Synthetic Nicotine", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Nicotine Dependence", "Nicotine Vaping" ], "interventions": [ { "name": "(S)-Nicotine", "type": "DRUG" }, { "name": "(R)- nicotine", "type": "DRUG" }, { "name": "Racemic nicotine", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "University of California, San Francisco", "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": 18, "start_date": "2024-12-06", "completion_date": "2027-05", "has_results": false, "last_update_posted_date": "2026-05-14", "last_synced_at": "2026-09-29T16:10:49.524Z", "location_count": 1, "location_summary": "San Francisco, California", "locations": [ { "city": "San Francisco", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT05962229" }, { "nct_id": "NCT04238832", "title": "Salt-Based E-cigarette", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Smoking", "Tobacco Use" ], "interventions": [ { "name": "Salt Base Nicotine", "type": "OTHER" }, { "name": "Free Base Nicotine", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "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": 24, "start_date": "2020-06-16", "completion_date": "2021-07-23", "has_results": false, "last_update_posted_date": "2021-08-09", "last_synced_at": "2026-09-29T16:10:49.524Z", "location_count": 1, "location_summary": "Charleston, South Carolina", "locations": [ { "city": "Charleston", "state": "South Carolina" } ], "official_url": "https://clinicaltrials.gov/study/NCT04238832" }, { "nct_id": "NCT03843047", "title": "Electronic Cigarette Unit Price Manipulations in the Experimental Tobacco Marketplace", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Tobacco Use" ], "interventions": [ { "name": "3 mg/mL nicotine strength e-liquid", "type": "DRUG" }, { "name": "6 mg/mL nicotine strength e-liquid", "type": "DRUG" }, { "name": "12 mg/mL nicotine strength e-liquid", "type": "DRUG" }, { "name": "24 mg/mL nicotine strength e-liquid", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Virginia Polytechnic Institute and State University", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 81, "start_date": "2019-03-01", "completion_date": "2021-09-30", "has_results": false, "last_update_posted_date": "2022-11-22", "last_synced_at": "2026-09-29T16:10:49.524Z", "location_count": 1, "location_summary": "Roanoke, Virginia", "locations": [ { "city": "Roanoke", "state": "Virginia" } ], "official_url": "https://clinicaltrials.gov/study/NCT03843047" }, { "nct_id": "NCT03243630", "title": "Effects of Flavors on Nicotine Reinforcement in Smokers", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "EARLY_PHASE1" ], "conditions": [ "Nicotine Dependence" ], "interventions": [ { "name": "IV nicotine", "type": "DRUG" }, { "name": "Menthol flavor", "type": "DRUG" }, { "name": "green apple", "type": "DRUG" }, { "name": "green apple and menthol", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Yale University", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "30 Years", "sex": "ALL", "summary": "18 Years to 30 Years" }, "enrollment_count": 26, "start_date": "2018-04-23", "completion_date": "2019-01-31", "has_results": true, "last_update_posted_date": "2020-12-03", "last_synced_at": "2026-09-29T16:10:49.524Z", "location_count": 1, "location_summary": "West Haven, Connecticut", "locations": [ { "city": "West Haven", "state": "Connecticut" } ], "official_url": "https://clinicaltrials.gov/study/NCT03243630" }, { "nct_id": "NCT02600273", "title": "Novel Approaches to Reducing Tobacco Related Harm", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Smoking", "Tobacco Smoking Behavior", "Cigarette Smoking" ], "interventions": [ { "name": "Usual brand cigarettes", "type": "OTHER" }, { "name": "Lower nicotine content cigarettes", "type": "OTHER" }, { "name": "Electronic cigarettes 1", "type": "OTHER" }, { "name": "Electronic cigarettes 2", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "Duke University", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 18, "start_date": "2017-01", "completion_date": "2019-06", "has_results": false, "last_update_posted_date": "2020-09-30", "last_synced_at": "2026-09-29T16:10:49.524Z", "location_count": 1, "location_summary": "Durham, North Carolina", "locations": [ { "city": "Durham", "state": "North Carolina" } ], "official_url": "https://clinicaltrials.gov/study/NCT02600273" }, { "nct_id": "NCT04053868", "title": "Evaluating the Comparative Pharmacokinetics of Nicotine After Administration Via JUUL or Tobacco Cigarettes", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Nicotine Administration & Dosage", "E-cigarettes", "Vaping", "E-Liquid", "Tobacco Smoking" ], "interventions": [ { "name": "JUUL", "type": "OTHER" }, { "name": "Tobacco", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "University of California, San Francisco", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "21 Years", "maximum_age": "70 Years", "sex": "ALL", "summary": "21 Years to 70 Years" }, "enrollment_count": 17, "start_date": "2019-12-09", "completion_date": "2022-03-31", "has_results": true, "last_update_posted_date": "2025-10-16", "last_synced_at": "2026-09-29T16:10:49.524Z", "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/NCT04053868" }, { "nct_id": "NCT05932745", "title": "Effects of Novel E-cigarette Constituents on Adults TCORS 3.0", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Nicotine Use Disorder" ], "interventions": [ { "name": "E-liquid coolant (No WS-3) for non-menthol (1)", "type": "OTHER" }, { "name": "E-liquid coolant (No WS-3) for low (0.1%) menthol (1)", "type": "OTHER" }, { "name": "E-liquid coolant (No WS-3) for high (2.0%) menthol (1)", "type": "OTHER" }, { "name": "E-liquid coolant (Low [0.1%] WS-3) for non-menthol (2)", "type": "OTHER" }, { "name": "E-liquid coolant (Low [0.1%] WS-3) for low (0.1%) menthol (2)", "type": "OTHER" }, { "name": "E-liquid coolant (Low [0.1%] WS-3) for high (2.0%) menthol (2)", "type": "OTHER" }, { "name": "E-liquid coolant (High [2.0%] WS-3) for non-menthol (3)", "type": "OTHER" }, { "name": "E-liquid coolant (High [2.0%] WS-3) for low (0.1%) menthol (3)", "type": "OTHER" }, { "name": "E-liquid coolant (High [2.0%] WS-3) for high (2.0%) menthol (3)", "type": "OTHER" }, { "name": "E-liquid coolant (Low [0.1%] WS-23) for non-menthol (4)", "type": "OTHER" }, { "name": "E-liquid coolant (Low [0.1%] WS-23) for low (0.1%) menthol (4)", "type": "OTHER" }, { "name": "E-liquid coolant (Low [0.1%] WS-23) for high (2.0%) menthol (4)", "type": "OTHER" }, { "name": "E-liquid coolant (High [2.0%] WS-23) for non-menthol (5)", "type": "OTHER" }, { "name": "E-liquid coolant (High [2.0%] WS-23) for low (0.1%) menthol (5)", "type": "OTHER" }, { "name": "E-liquid coolant (High [2.0%] WS-23) for high (2.0%) menthol (5)", "type": "OTHER" }, { "name": "E-liquid coolant (4% WS-23) for non-menthol (6)", "type": "OTHER" }, { "name": "E-liquid coolant (4% WS-23) for low (0.1%) menthol (6)", "type": "OTHER" }, { "name": "E-liquid coolant (4% WS-23) for high (2.0%) menthol (6)", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "Yale University", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 66, "start_date": "2025-06-20", "completion_date": "2026-08", "has_results": false, "last_update_posted_date": "2026-06-16", "last_synced_at": "2026-09-29T16:10:49.524Z", "location_count": 1, "location_summary": "New Haven, Connecticut", "locations": [ { "city": "New Haven", "state": "Connecticut" } ], "official_url": "https://clinicaltrials.gov/study/NCT05932745" }, { "nct_id": "NCT03635333", "title": "Effects of E-Cigarette Flavors on Adults TCORS 2.0", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Nicotine Use Disorder" ], "interventions": [ { "name": "Nicotine", "type": "DRUG" }, { "name": "Flavor", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Yale University", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "21 Years", "maximum_age": "50 Years", "sex": "ALL", "summary": "21 Years to 50 Years" }, "enrollment_count": 130, "start_date": "2019-05-14", "completion_date": "2023-07-12", "has_results": true, "last_update_posted_date": "2025-12-19", "last_synced_at": "2026-09-29T16:10:49.524Z", "location_count": 1, "location_summary": "New Haven, Connecticut", "locations": [ { "city": "New Haven", "state": "Connecticut" } ], "official_url": "https://clinicaltrials.gov/study/NCT03635333" }, { "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": "2026-09-29T16:10:49.524Z", "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" } ] }