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ClinicalTrials.gov public records Last synced Sep 25, 2026, 12:32 PM EDT

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Showing 1–23 of 23 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Health Effects of SLT, Cigarette Smoking, and New Tobacco Products

NCT00469079
Conditions
Nicotine Dependence
Interventions
Nicotine gum and lozenge, Taboka, Camel Snus
Drug · Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 70 Years
Enrollment
130 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Minneapolis, Minnesota
Conditions
Schizophrenia, Cigarette Smoking
Interventions
Nicotine replacement therapy, Bupropion, cognitive-behavioral smoking cessation counseling, Mobile Contingency Management, Stay Quit Coach, SMS text messaging
Drug · Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years to 70 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
PTSD, Smoking
Interventions
Bupropion, nicotine replacement therapy, Smoking cessation counseling, mobile contingency management, Stay Quit Coach
Drug · Other · Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years to 70 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Hypertension, Breakfast Skipper
Interventions
Early Time-Restricted Eating (eTRE)
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
60 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Birmingham, Alabama
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Smoking Cessation in Hispanic Construction Workers

NCT02873377
Conditions
Smoking Cessation
Interventions
Nicorette Gum, Nicoderm CQ, Smoking Quitline Referral, Behavioral Smoking Cessation Counseling
Drug · Other · Behavioral
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older · Male only
Enrollment
134 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Miami, Florida
Completed Not applicable Interventional Results available

WeChat Quit Coach Pilot Study

NCT05130788
Conditions
Smoking Cessation
Interventions
WeChat Quit Coach, Leaflet, Optional Nicotine Replacement Therapy (NRT) Patches or Lozenges
Behavioral · Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 80 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
New York, New York
Conditions
Scoliosis
Interventions
Chewing gum, Control
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
10 Years to 18 Years
Enrollment
83 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Birmingham, Alabama
Conditions
Smoking Cessation, Tobacco Use Cessation, Tobacco Smoking
Interventions
Nicorette, Tobacco Quit-line, Brief Behavioral Counseling, Intensive Behavioral Counseling
Drug · Behavioral
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
608 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Miami, Florida
Conditions
Smoking Cessation
Interventions
WEB, Social Network, Nicotine Replacement Therapy (NRT)
Behavioral
Lead sponsor
Truth Initiative
Other
Eligibility
18 Years and older
Enrollment
5,292 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Completed Not applicable Interventional Accepts healthy volunteers

Fasting ENHANCE Pilot Study

NCT05732935
Conditions
Overweight and Obesity, Time Restricted Feeding, Alzheimer Disease
Interventions
Time Restricted Eating intervention, Successful Aging Comparison Group (LEARN)
Behavioral
Lead sponsor
University of Florida
Other
Eligibility
65 Years and older
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Gainesville, Florida
Completed Not applicable Interventional Accepts healthy volunteers

Salivary Flow Promoted by Sugar-Free Chewing Gum

NCT05447104
Conditions
Saliva Altered
Interventions
Mastication
Behavioral
Lead sponsor
Mars Wrigley
Industry
Eligibility
18 Years to 80 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Noblesville, Indiana
Completed Not applicable Interventional Accepts healthy volunteers

Chewing Gum for Weight Loss

NCT00971347
Conditions
Obesity, Overweight, Weight Loss
Interventions
Extra sugar-free chewing gum sticks, nutrition brochure
Other · Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years to 50 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Birmingham, Alabama
Terminated Phase 4 Interventional Results available

Nicotine Gum Recovery After Colorectal Surgery

NCT01662115
Conditions
Post-operative Ileus
Interventions
Nicotine gum, Regular chewing gum
Drug · Other
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 85 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Weston, Florida
Completed Not applicable Interventional Accepts healthy volunteers

The Fuel and Rhythm (FAR) Phase 2 Study

NCT05482711
Conditions
Aging
Interventions
Time Restricted Eating Intervention
Other
Lead sponsor
University of Florida
Other
Eligibility
65 Years and older
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Ileus
Interventions
stool softener, Arm B: Acupressure bracelet, sugar free gum
Drug · Device · Dietary Supplement
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
111 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Omaha, Nebraska
Conditions
Xerostomia Due to Radiotherapy (Disorder)
Interventions
Stromal Vascular Fraction, Usual Care
Biological · Other
Lead sponsor
Midwestern Regional Medical Center
Other
Eligibility
21 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Zion, Illinois
Conditions
Hypertension, Eating Behaviors
Interventions
Early time-restricted eating
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
60 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Birmingham, Alabama
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
Completed Not applicable Interventional Accepts healthy volunteers Results available

Time to Eat Study - Pilot

NCT03590847
Conditions
Overweight
Interventions
Intermittent Fasting
Behavioral
Lead sponsor
University of Florida
Other
Eligibility
65 Years and older
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Gainesville, Florida
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
Completed Phase 1 Interventional Accepts healthy volunteers

Comparing Over-the-counter Dry Mouth Remedies After Radiation

NCT00595933
Conditions
Xerostomia
Interventions
sugar-free chewing gum, chewing gum, mouth rinse, mouth spray
Other · Drug
Lead sponsor
University of Oklahoma
Other
Eligibility
13 Years and older
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2010
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

The Effect of Gum Chewing on Postoperative Ileus After Gynecologic Surgery

NCT01579175
Conditions
Postoperative Ileus
Interventions
Chewing gum
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older · Female only
Enrollment
294 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
2
States / cities
Baltimore, Maryland
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Comparing Mouth Rinses (and Chewing Gum) in Regard to Streptococcus Mutans Reduction

NCT02598778
Conditions
Dental Caries
Interventions
Chlorhexidine gluconate (0.12%), Sodium Fluoride (0.05%), Paraffin wax chewing gum (sugar-free), Deionized water
Drug · Other
Lead sponsor
Montefiore Medical Center
Other
Eligibility
6 Years to 12 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
The Bronx, New York