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ClinicalTrials.gov public records Last synced Sep 4, 2026, 2:21 PM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Conditions
Smoking, Smoking Behaviors, Tobacco Use, Tobacco Smoking
Interventions
Product A, Product B, Product C, Product D, Product E, Product N
Other
Lead sponsor
RAI Services Company
Industry
Eligibility
21 Years to 60 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
2
States / cities
Springfield, Missouri • Knoxville, Tennessee
Conditions
Acute Pharyngitis, Sore Throat
Interventions
flurbiprofen, placebo
Drug
Lead sponsor
Reckitt Benckiser LLC
Industry
Eligibility
18 Years and older
Enrollment
122 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Storrs, Connecticut
Completed Not applicable Interventional Accepts healthy volunteers Results available

Nicotine Pharmacokinetics Following Use of the P4M3 Gen 2.0 E-Cigarette Compared to Smoking Cigarettes

NCT05383508
Conditions
Nicotine Vaping, Nicotine, Vaping
Interventions
CA35, CM35, Cig
Other
Lead sponsor
Philip Morris Products S.A.
Industry
Eligibility
24 Years to 65 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
High Point, North Carolina
Enrolling by invitation Early Phase 1 Interventional Accepts healthy volunteers

Transient Receptor Potential Channels

NCT06444594
Conditions
Aging
Interventions
TRPM8 Agonist, TRPV1 Agonist, TRPV4 Agonist, TRPM8, TRPV4, TRPV1 Agonists, Vehicle gel
Drug · Other
Lead sponsor
Penn State University
Other
Eligibility
18 Years to 85 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
University Park, Pennsylvania
Conditions
Tobacco Use, Smoking, Smoking, Tobacco
Interventions
Lung Permeability Assessment
Procedure
Lead sponsor
RAI Services Company
Industry
Eligibility
30 Years to 50 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Lincoln, Nebraska
Conditions
Tobacco Use
Interventions
Cigarette Brand Switching, E-cigarette Flavor
Other
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
New Haven, Connecticut
Recruiting Not applicable Interventional

UNC Tobacco Convenience Store

NCT07458607
Conditions
Health Behavior
Interventions
Menthol ban + campaign, Menthol ban, Control
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
21 Years and older
Enrollment
1,185 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Raleigh, North Carolina
Conditions
Muscle Soreness
Interventions
Observational
Other
Lead sponsor
Reckitt Benckiser Healthcare (UK) Limited
Industry
Eligibility
18 Years and older
Enrollment
367 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Deerfield, Illinois
Conditions
Tobacco Use Disorder
Interventions
Cigarette flavor restricted and e-cigarette flavor restricted, Cigarette flavor restricted and e-cigarette flavor unrestricted, Cigarette flavor unrestricted and e-cigarette flavor restricted, Cigarette flavor unrestricted and e-cigarette flavor unrestricted
Behavioral
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
21 Years and older
Enrollment
302 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Roanoke, Virginia
Conditions
Nicotine, E-liquid Flavors
Interventions
Nicotine 0 mg/mL, Nicotine 6 mg/mL, Nicotine 12 mg/mL, Nicotine 24 mg/mL, 'Menthol' flavor, 'Menthol/Mint' flavor, 'Green Apple' flavor, 'Watermelon' flavor, 'Unflavored'
Drug · Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 30 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
New Haven, Connecticut
Conditions
Smoking, Tobacco
Interventions
P1213416, P1213422, P1213716, P1213722, P1211216, P1211222, P1213616, P1213622, P1213816, P1213822, P1211916, P1211922
Other
Lead sponsor
RAI Services Company
Industry
Eligibility
21 Years to 60 Years
Enrollment
1,845 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
12
States / cities
Phoenix, Arizona • Fort Lauderdale, Florida • Orlando, Florida + 9 more
Conditions
Smoking
Interventions
PD21864AA, PD21864AB
Other
Lead sponsor
RAI Services Company
Industry
Eligibility
21 Years and older
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Lakewood, Colorado
Completed Not applicable Interventional Accepts healthy volunteers Results available

Menthol and Mint Experimental Tobacco Marketplace (ETM) Study

NCT04879225
Conditions
Cigarette Smoking, Vaping
Interventions
Tobacco e-liquids, Menthol and Tobacco e-liquids, Mint, Menthol and Tobacco e-liquids, All e-liquid flavors
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
21 Years and older
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Completed Phase 1 Interventional Accepts healthy volunteers

Vascular Effects of a Single Bout of Electronic Cigarette Use

NCT03209661
Conditions
Arterial Stiffness
Interventions
E-cigarette, Nicotine 0%, Menthol Inhalant Product
Drug
Lead sponsor
University of Texas at Austin
Other
Eligibility
20 Years to 30 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Austin, Texas
Completed Not applicable Interventional Accepts healthy volunteers

Feasibility Study - Filter Ventilation

NCT04514471
Conditions
Tobacco Use
Interventions
Unventilated filter cigarettes, Ventilated filter cigarettes
Other
Lead sponsor
Masonic Cancer Center, University of Minnesota
Other
Eligibility
21 Years and older
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
2
States / cities
Minneapolis, Minnesota • Columbus, Ohio
Completed Not applicable Interventional Accepts healthy volunteers Results available

Nicotine Pharmacokinetic Profile and Safety of the Tobacco Heating System 2.2 Menthol (THS 2.2 Menthol)

NCT01967719
Conditions
Smoking
Interventions
mTHS 2.2, mCC, NNS
Other
Lead sponsor
Philip Morris Products S.A.
Industry
Eligibility
22 Years to 65 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Lexington, Kentucky
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Study to Assess Changes in Cigarette Consumption During a Switch to Very Low Nicotine Cigarettes

NCT03571724
Conditions
Tobacco Use
Interventions
Non-Menthol Very Low Nicotine Cigarettes, Menthol Very Low Nicotine Cigarettes, Subject's UB non-mentholated filtered cigarettes, Subject's UB mentholated filtered cigarettes
Other
Lead sponsor
22nd Century Group, Inc.
Industry
Eligibility
26 Years to 65 Years
Enrollment
142 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
2
States / cities
Lincoln, Nebraska • High Point, North Carolina
Conditions
Tobacco Use, Smoking, Tobacco Smoking
Interventions
Marlboro Gold Box, Newport Box, Non-combusted cigarette variant 42001401, Non-combusted cigarette variant 42001399, Non-combusted cigarette variant 40007386, Non-combusted cigarette variant 42001402
Other
Lead sponsor
RAI Services Company
Industry
Eligibility
21 Years and older
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Stockbridge, Georgia
Conditions
Cigarette Smoking-Related Carcinoma
Interventions
Non-menthol Cigarette Smoking, Menthol Cigarette Smoking, Synthetic Cooling Agent Cigarette Smoking, Usual Brand Cigarette Smoking, Spirometry, Questionnaire Administration, Nasal Epithelial Lining Fluid
Behavioral · Diagnostic Test · Other
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
21 Years to 29 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Columbus, Ohio
Completed Not applicable Interventional Accepts healthy volunteers

Smoking Cessation in Women With Gynecological Conditions

NCT01989923
Conditions
Cervical Dysplasia
Interventions
Nicotine Replacement Therapy, Electronic Cigarettes
Other · Device
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Conditions
Pain
Interventions
Diclofenac + Menthol Gel, Diclofenac Only Gel, Menthol Only Gel, Placebo Only Gel
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
227 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Paramus, New Jersey
Completed Not applicable Interventional Accepts healthy volunteers Results available

Low Nicotine Cigarettes, Smoking, and Chronic Pain

NCT05032755
Conditions
Chronic Pain, Smoking, Cigarette
Interventions
SPECTRUM NRC 102/103 investigational cigarettes, SPECTRUM NRC 600/601 investigational cigarettes
Other
Lead sponsor
Duke University
Other
Eligibility
21 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Tobacco Use
Interventions
VLN cigarettes (A), Usual Brand Cigarettes (B), Nicotine gum (C)
Other · Drug
Lead sponsor
22nd Century Group, Inc.
Industry
Eligibility
22 Years to 65 Years
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Overland Park, Kansas
Recruiting Not applicable Interventional Accepts healthy volunteers

The Impact of Menthol Flavoring on Switching in Adult Menthol Smokers

NCT05555069
Conditions
Smoking Reduction
Interventions
Menthol-flavored electronic cigarette, Tobacco-flavored electronic cigarette
Other
Lead sponsor
Nikki Nollen, PhD, MA
Other
Eligibility
21 Years and older
Enrollment
800 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Kansas City, Missouri