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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Acute Ketone Supplementation on the Brain

NCT07711990
Conditions
Brain Health
Interventions
Ketone Ester Drink, Placebo
Dietary Supplement
Lead sponsor
Christopher Crabtree
Other
Eligibility
45 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Columbus, Ohio
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
Completed Not applicable Interventional Accepts healthy volunteers

Vitamin D's Effect on Physical Performance in the Elderly

NCT02066441
Conditions
Family Member
Interventions
Bio-D-Mulsion Forte®, Placebo
Dietary Supplement · Other
Lead sponsor
University of Miami
Other
Eligibility
55 Years and older
Enrollment
101 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Miami, Florida
Conditions
Advanced Cancers
Interventions
Fentanyl Buccal Tablet, Placebo Buccal Tablet, Questionnaires
Drug · Other · Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
1
States / cities
Houston, Texas
Conditions
Gastrointestinal Disease Symptoms
Interventions
Prebiotic, probiotic, postbiotic combination, Placebo
Dietary Supplement
Lead sponsor
Colorado State University
Other
Eligibility
25 Years to 65 Years · Female only
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Fort Collins, Colorado
Conditions
Type II Diabetes, Periodontal Disease
Interventions
Triclosan containing toothpaste, Non-triclosan containing toothpaste
Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 70 Years
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Gainesville, Florida
Completed Phase 3 Interventional Results available

Phase 3 Clinical Study for the Treatment of Cold Sore

NCT00769314
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
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
Terminated Not applicable Interventional Accepts healthy volunteers

2021 PMT iAge® Intervention Trial by Edifice Health

NCT04983017
Conditions
Chronic Inflammation, Inflammaging
Interventions
Dietary supplement, Placebo
Dietary Supplement · Other
Lead sponsor
Edifice Health
Industry
Eligibility
18 Years and older
Enrollment
781 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
2
States / cities
Greenbrae, California • Suwanee, Georgia
Recruiting Not applicable Interventional Accepts healthy volunteers

4-day Plaque Accumulation Model Evaluating Compound Containing Gum

NCT06984744
Conditions
Dental Plaque Accumulation
Interventions
MIIP-E2 containing gum, placebo gum without MIIP-E2
Device
Lead sponsor
Lactea Therapeutics, LLC
Industry
Eligibility
18 Years to 65 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Indianapolis, Indiana
Completed Early Phase 1 Interventional Accepts healthy volunteers

Immediate Post-Operative Anesthesia With Either Lidocaine or Bupivacaine

NCT06293807
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
Conditions
Attention, Mood
Interventions
Cranberry Juice Product
Dietary Supplement
Lead sponsor
Ocean Spray Cranberries, Inc.
Industry
Eligibility
18 Years to 45 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Hyperinsulinemia, Insulin Resistance, Non-Alcoholic Fatty Liver Disease, Prediabetic State
Interventions
Diazoxide oral suspension, 1 mg per kg per dose, Diazoxide oral suspension, 2 mg per kg per dose, Placebo, FreeStyle Libre Pro, Deuterated water (2H2O/D2O)
Drug · Device
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 70 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
New York, New York
Completed Early Phase 1 Interventional Accepts healthy volunteers

The Effect of 2-DeNT Oral Topical Powder on Minor Recurrent Aphthous Ulcer

NCT02142543
Conditions
Minor Recurrent Aphthous Stomatitis Lesions
Interventions
2-DeNT powder, Placebo Comparator
Drug
Lead sponsor
Texas A&M University
Other
Eligibility
12 Years to 55 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Dallas, Texas
Conditions
Obesity & Overweight
Interventions
gut-brain axis (GLP-1)-activating food carbohydrate, starch-based placebo control (commercial maltodextrin)
Drug · Other
Lead sponsor
Indiana University
Other
Eligibility
12 Years to 18 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Indianapolis, Indiana
Completed Early Phase 1 Interventional Accepts healthy volunteers

Effects of Nicotine and Attention on Frequency Tuning in Auditory Cortex

NCT05018117
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
Completed Not applicable Interventional Accepts healthy volunteers

Energy Drinks and Vascular Function

NCT03324256
Conditions
Vascular Function
Interventions
energy drink, caffeinated drink, Energy gum, placebo gum, Control drink, Total sleep deprivation
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 30 Years · Male only
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
IBS - Irritable Bowel Syndrome
Interventions
a supplement containing 2'-fucosyllactose (2'-FL), Placebo Supplement
Dietary Supplement
Lead sponsor
National University of Natural Medicine
Other
Eligibility
18 Years to 70 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Portland, Oregon
Completed Phase 4 Interventional Accepts healthy volunteers

Smoking Relapse Prevention in Schizophrenia

NCT00320697
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
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
Oral Health
Interventions
PTx800 lozenges, Placebo control
Dietary Supplement
Lead sponsor
Primal Therapies Inc.
Industry
Eligibility
60 Years to 85 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Cleveland, Ohio
Conditions
Intestinal Permeability, Gastrointestinal Function
Interventions
Cranberry Beverage, Control Beverage
Other
Lead sponsor
University of Florida
Other
Eligibility
21 Years to 50 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Gainesville, Florida
Completed Not applicable Interventional Accepts healthy volunteers

Effects of a Mushroom Blend on Gastrointestinal Symptoms and the Microbiome

NCT07027462
Conditions
Healthy
Interventions
Mushroom blend, Placebo
Dietary Supplement · Other
Lead sponsor
University of South Carolina
Other
Eligibility
30 Years to 60 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Columbia, South Carolina
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