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Showing 1–24 of 324 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Chewing Gum Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Tobacco Treatment for Employable Californians, Total IMPACT Study

NCT02478697
View directory record Official record
Conditions
Tobacco Dependence
Interventions
ProChange ExpertSystem
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
360 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
3
States / cities
Menlo Park, California • San Francisco, California • San Rafael, California
Source: ClinicalTrials.gov public record
Updated Mar 19, 2024 · Synced Sep 5, 2026, 1:15 PM EDT
Completed Phase 3 Interventional Results available

Phase 3 Clinical Study for the Treatment of Cold Sore

NCT00769314
View directory record Official record
Conditions
Herpes Labialis
Interventions
Acyclovir Lauriad, Placebo
Drug
Lead sponsor
Valerio Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
1,727 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
10
States / cities
Scottsdale, Arizona • Tucson, Arizona • San Francisco, California + 6 more
Source: ClinicalTrials.gov public record
Updated Dec 20, 2012 · Synced Sep 5, 2026, 1:15 PM EDT
Recruiting Phase 3 Interventional Accepts healthy volunteers

Integrating Financial Coaching and Smoking Cessation Coaching

NCT05154669
View directory record Official record
Conditions
Smoking
Interventions
Financial counseling, Nicotine Replacement Therapy Agent - Patches, Nicotine Replacement Therapy Agent - Lozenges, Nicotine Replacement Therapy Agent - Gum
Other · Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 100 Years
Enrollment
602 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2029
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 3, 2026 · Synced Sep 5, 2026, 1:15 PM EDT
Completed Phase 4 Interventional Results available

Buprenorphine Extended-Release Subcutaneous Injection (RBP-6000) in High-risk Users

NCT04995029
View directory record Official record
Conditions
Moderate to Severe Opioid-use Disorder
Interventions
Transmucosal Buprenorphine, Extended-release Buprenorphine
Drug
Lead sponsor
Indivior Inc.
Industry
Eligibility
18 Years and older
Enrollment
785 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
28
States / cities
Garden Grove, California • Panorama City, California • San Diego, California + 21 more
Source: ClinicalTrials.gov public record
Updated Feb 5, 2026 · Synced Sep 5, 2026, 1:15 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Pharmacodynamics of Nasal and Buccal Midazolam Using EEG

NCT01316445
View directory record Official record
Conditions
Epilepsy
Interventions
nasal Midazolam
Drug
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 65 Years
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 3, 2015 · Synced Sep 5, 2026, 1:15 PM EDT
Completed Not applicable Interventional Results available

Patch Study - Intervention for HIV Positive Smokers

NCT02982772
View directory record Official record
Conditions
Smoking Cessation, HIV
Interventions
Combination Therapy, Standard Care Intervention
Other
Lead sponsor
dr. maria miguez
Other
Eligibility
18 Years and older
Enrollment
488 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Oct 5, 2021 · Synced Sep 5, 2026, 1:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Interventions for Smoking Among Persons in Recovery

NCT00714896
View directory record Official record
Conditions
Smoking Cessation
Interventions
Stepped-Care, Control
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Walnut Creek, California
Source: ClinicalTrials.gov public record
Updated May 28, 2013 · Synced Sep 5, 2026, 1:15 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Immediate Post-Operative Anesthesia With Either Lidocaine or Bupivacaine

NCT06293807
View directory record Official record
Conditions
Periodontal Diseases
Interventions
Xylocaine 2 % with 1:100,000 epinephrine, Bupivicaine 0.5% with 1:200,000 epinephrine, Placebo
Drug · Other
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years and older
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Mar 7, 2024 · Synced Sep 5, 2026, 1:15 PM EDT
Active, not recruiting Phase 1 Interventional Accepts healthy volunteers

Nicotine Pouch Pharmacokinetics Abuse Liability

NCT07476144
View directory record Official record
Conditions
Smoking Behaviors
Interventions
Participants will place the pouch between their top lip and their gum for 30 minutes as per use instructions.
Drug
Lead sponsor
JT International SA
Industry
Eligibility
22 Years to 65 Years
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
2
States / cities
Knoxville, Tennessee • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Sep 5, 2026, 1:15 PM EDT
Completed Not applicable Interventional Results available

Financial Incentives for Smoking Cessation Among Mothers

NCT05740098
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Best Practices, Financial Incentives, Nicotine Replacement Therapy
Behavioral · Drug
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older · Female only
Enrollment
198 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Jul 27, 2023 · Synced Sep 5, 2026, 1:15 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Assessing Current Peripheral Nerve Block Catheter Fixation and Dressing Strategies: An Equivalence Study

NCT02926521
View directory record Official record
Conditions
Regional Anesthesia Morbidity
Interventions
2-octyl cyanoacrylate, Gum Mastic
Device
Lead sponsor
Boston Children's Hospital
Other
Eligibility
Not listed
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 9, 2022 · Synced Sep 5, 2026, 1:15 PM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Effectiveness of Combination Varenicline and Oral Nicotine Replacement Therapy (COMBO)

NCT03722966
View directory record Official record
Conditions
Smoking Cessation
Interventions
Varenicline, Oral Nicotine Replacement Therapy (NRT), Medication Reminders, Tobacco Cessation Counseling
Drug · Behavioral
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 65 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Feb 5, 2024 · Synced Sep 5, 2026, 1:15 PM EDT
Completed No phase listed Observational

Oral and Swallowing Function in Older Adults

NCT06368830
View directory record Official record
Conditions
Oropharyngeal Dysphagia
Interventions
3-ounce water swallow test, Kayser-Jones Brief Oral Health Status Examination (BOHSE), Tongue pressure, Test of Masticating and Swallowing Solids (TOMASS), Respiratory function tests
Diagnostic Test
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
60 Years and older
Enrollment
111 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Aug 9, 2026 · Synced Sep 5, 2026, 1:15 PM EDT
Completed Phase 1Phase 2 Interventional

Acute Nicotine Gum and Tinnitus Loudness in Non-Smoking Adults

NCT07772089
View directory record Official record
Conditions
Tinnitus, Chronic Subjective Tinnitus
Interventions
Nicotine polacrilex gum 4 mg, Placebo gum
Drug · Other
Lead sponsor
San Diego State University
Other
Eligibility
18 Years to 80 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Sep 5, 2026, 1:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Smoking Cessation for Young Adult Pacific Islanders: Motivating Pacifika Against Cigarettes and Tobacco

NCT03238456
View directory record Official record
Conditions
Tobacco Use, Tobacco Smoking, Tobacco Use Cessation, Smoking, Smoking Cessation, Smoking, Cigarette
Interventions
Motivating Pacifika Against Cigarettes and Tobacco
Behavioral
Lead sponsor
Claremont Graduate University
Other
Eligibility
18 Years to 30 Years
Enrollment
278 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
2
States / cities
Claremont, California • Fullerton, California
Source: ClinicalTrials.gov public record
Updated Aug 3, 2017 · Synced Sep 5, 2026, 1:15 PM EDT
Completed Not applicable Interventional

Effect of High-Dose Guarana And Cancer-Related Fatigue

NCT03897556
View directory record Official record
Conditions
Cancer-related Fatigue
Interventions
Guarana herb, Usual Care
Dietary Supplement · Other
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Nov 8, 2022 · Synced Sep 5, 2026, 1:15 PM EDT
Completed Phase 4 Interventional Results available

Effectiveness of a Smoking Cessation Algorithm Integrated Into HIV Primary Care

NCT03670316
View directory record Official record
Conditions
HIV, AIDS, Smoking Cessation
Interventions
Algorithm Treatment, Quitline only
Drug · Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
371 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Sep 5, 2026, 1:15 PM EDT
Recruiting Not applicable Interventional

E-cigarettes for Harm Reduction Among Smokers With Serious Mental Illness

NCT05815199
View directory record Official record
Conditions
Cigarette Smoking
Interventions
E-cigarette (EC), Nicotine Replacement Therapy (NRT), Harm-Reduction Counseling, Ecological Momentary Intervention (EMI) Text Messaging
Other · Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
21 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 9, 2025 · Synced Sep 5, 2026, 1:15 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Research and Innovation to Stop E-cigarette/Vaping in Young Adults

NCT04974580
View directory record Official record
Conditions
Nicotine Dependence, E-Cig Use
Interventions
Nicotine patch, Phone Counseling, Digital Coaching
Drug · Behavioral
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 24 Years
Enrollment
508 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 28, 2024 · Synced Sep 5, 2026, 1:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Clinical Trial to Evaluate the Effects of an Eye Serum on Improving the Appearance of the Periorbital Area

NCT06143033
View directory record Official record
Conditions
Periorbital Area
Interventions
DIME Beauty Luminosity Eye Serum
Other
Lead sponsor
Dime Beauty Co.
Industry
Eligibility
18 Years to 65 Years · Female only
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Feb 21, 2024 · Synced Sep 5, 2026, 1:15 PM EDT
Recruiting Phase 1 Interventional

Effect of Insulin Lowering on Lipogenesis

NCT07403604
View directory record Official record
Conditions
Hyperinsulinemia, Insulin Resistance, Non-Alcoholic Fatty Liver Disease, Prediabetic State, Obesity
Interventions
Placebo, Diazoxide Oral Suspension, 2 mg per kg per dose, Deuterated water (2H2O/D2O), 70%, Insulin Suppression Test (IST)
Drug · Diagnostic Test
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 65 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 5, 2026 · Synced Sep 5, 2026, 1:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Study of Chewing Gum, Snacking and Appetite

NCT01316991
View directory record Official record
Conditions
Hunger
Interventions
Chewing Gum, No Gum
Dietary Supplement
Lead sponsor
Clinical Nutrition Research Center, Illinois Institute of Technology
Industry
Eligibility
18 Years and older · Female only
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2015
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 5, 2021 · Synced Sep 5, 2026, 1:15 PM EDT
Active, not recruiting Not applicable Interventional

Impact of Chewing Gum on Bowel Preparation in Patients Undergoing Colonoscopy

NCT07320989
View directory record Official record
Conditions
Colon Cancer Screening
Interventions
Chewing Sugar-Free Gum During Bowel Preparation, Standard Bowel Prep (2L PEG-ELP), Standard Bowel Prep
Behavioral · Other
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
45 Years to 75 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Towson, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 16, 2026 · Synced Sep 5, 2026, 1:15 PM EDT
Withdrawn Early Phase 1 Interventional Accepts healthy volunteers

Inpatient Smoking Cessation Pilot Program

NCT05060965
View directory record Official record
Conditions
Tobacco Use Cessation
Interventions
Nicotine lozenge, Nicotine gum, Nicotine patch, Maryland Quitline, John Hopkins Tobacco Treatment Clinic
Drug · Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 14, 2023 · Synced Sep 5, 2026, 1:15 PM EDT