Search | Clinical Trials Finder

Independent directory Public ClinicalTrials.gov records United States

ClinicalTrials.gov public records Last synced Sep 14, 2026, 7:25 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–15 of 15 matching trials from the live ClinicalTrials.gov search.

Local D1 index available.

Filters: Intervention: Placebo - sugar chew Clear all

Conditions: Chronic Obstructive Pulmonary Disease
Interventions: Quercetin, Placebo - sugar chew; Drug · Other
Lead sponsor: University of Michigan; Other
Eligibility: 40 Years to 80 Years
Enrollment: 9 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2014 – 2015
U.S. locations: 1
States / cities: Ann Arbor, Michigan

Conditions: Chronic Kidney Disease
Interventions: chewing gum; Other
Lead sponsor: Denver Nephrologists, P.C.; Other
Eligibility: 18 Years and older
Enrollment: 12 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2011
U.S. locations: 1
States / cities: Denver, Colorado

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

Conditions: Tobacco Dependence
Interventions: Nicotine Patch, Nicotine Gum; Drug
Lead sponsor: National Institute on Drug Abuse (NIDA); NIH
Eligibility: 13 Years to 17 Years
Enrollment: 157 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 1999 – 2004
U.S. locations: 1
States / cities: Baltimore, Maryland

Conditions: Smoking, Alcoholism
Interventions: Cognitive Behavior Therapy for alcohol and smoking cessation, Nicoderm CQ nicotine patch, Placebo gum, Nicotine gum - Nicorette®; Behavioral · Drug
Lead sponsor: Yale University; Other
Eligibility: 18 Years and older
Enrollment: 96 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2002 – 2006
U.S. locations: 1
States / cities: Newington, Connecticut

Conditions: Aging
Interventions: Nicotine gum, Placebo gum; Drug · Other
Lead sponsor: University of California, Berkeley; Other
Eligibility: 18 Years to 85 Years
Enrollment: 44 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2022 – 2025
U.S. locations: 1
States / cities: Berkeley, California

Conditions: Schizophrenia Prodrome
Interventions: Glycine, Placebo; Drug
Lead sponsor: Yale University; Other
Eligibility: 13 Years to 35 Years
Enrollment: 8 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2006 – 2009
U.S. locations: 1
States / cities: New Haven, Connecticut

Conditions: Tobacco Dependence
Interventions: bupropion + nicotine gum, Active bupropion-Placebo gum, Placebo bupropion-Placebo gum; Drug
Lead sponsor: University of Wisconsin, Madison; Other
Eligibility: 18 Years and older
Enrollment: 608 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2001 – 2002
U.S. locations: 1
States / cities: Madison, Wisconsin

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

Conditions: C.Surgical Procedure; Digestive System
Interventions: Caffeine, Gum, wear silicone bracelet; Dietary Supplement · Other · Behavioral
Lead sponsor: The Guthrie Clinic; Other
Eligibility: 18 Years and older
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2017 – 2020
U.S. locations: 1
States / cities: Sayre, Pennsylvania

Conditions: Tobacco-Use Disorder, Schizophrenia, Psychotic Disorders
Interventions: bupropion SR, Cognitive Behavioral Group Therapy, nicotine replacement therapy; Drug · Behavioral
Lead sponsor: National Institute on Drug Abuse (NIDA); NIH
Eligibility: 18 Years to 65 Years
Enrollment: 51 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 1998 – 2004
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: Schizophrenia, Schizoaffective Disorder, Smokers
Interventions: bupropion + nicotine patch + nicotine gum or lozenges, Placebo pill + placebo patch; Drug
Lead sponsor: North Suffolk Mental Health Association; Other
Eligibility: 18 Years to 70 Years
Enrollment: 25 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2006 – 2009
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: Diabetes, PreDiabetes
Interventions: Oral application of miracle fruit pill, Oral application of sugar candy; Other
Lead sponsor: Queens College, The City University of New York; Other
Eligibility: 45 Years to 75 Years
Enrollment: 54 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2019 – 2020
U.S. locations: 1
States / cities: Bayside, New York

Conditions: Auditory Perceptual Impairment, Aging
Interventions: Nicotine gum, Placebo gum; Other
Lead sponsor: University of California, Irvine; Other
Eligibility: 18 Years to 85 Years
Enrollment: 48 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2022 – 2026
U.S. locations: 1
States / cities: Irvine, California

Conditions: Dental Plaque, Dental Caries
Interventions: Bromelain, Powdered sugar; Drug · Other
Lead sponsor: Indiana University; Other
Eligibility: 10 Years to 25 Years
Enrollment: 46 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2018 – 2019
U.S. locations: 1
States / cities: Indianapolis, Indiana