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Showing 1–24 of 64 matching trials from the live ClinicalTrials.gov search.
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Completed Not applicable Interventional Accepts healthy volunteers

Impacts of Wild Blueberries on Appetite and Weight Regulation

NCT05736432
Conditions
Obesity, Weight Loss
Interventions
Blueberries, Placebo
Dietary Supplement
Lead sponsor
San Diego State University
Other
Eligibility
18 Years to 50 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
San Diego, California
Completed Not applicable Interventional Accepts healthy volunteers

Nicotine and Cannabis Vape Labeling Experiment - Spring 2025

NCT06919276
Conditions
Vaping, Adolescent, Electronic Cigarette Use, Nicotine, Cannabis
Interventions
Vaping Device Labeling
Other
Lead sponsor
University of Southern California
Other
Eligibility
11 Years to 19 Years
Enrollment
3,048 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Arthritis, Rheumatoid
Interventions
CP 690,550 oral solutions
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 75 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Woburn, Massachusetts
Conditions
Smoking, Smoking, Cigarette, E-Cig Use, Nicotine Dependence
Interventions
very low nicotine content cigarettes, normal nicotine content cigarettes, Study e-cigarette
Other
Lead sponsor
Duke University
Other
Eligibility
21 Years and older
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Down Syndrome
Interventions
Tofacitinib Oral Solution, Placebo
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
6 Years to 22 Years
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Aurora, Colorado
Conditions
Craving
Interventions
Pleasant Odor, Odor Blank
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 49 Years
Enrollment
232 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
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
Conditions
Alcohol Drinking, Alcohol Use, Unspecified, Alcohol Abstinence, Alcohol-Related Disorders
Interventions
Endourage 1200 mg OMD ™ Oral Mucosal Drops, Isolate, Placebo, Peppermint Oil, masking flavor
Dietary Supplement · Other
Lead sponsor
Endourage, LLC
Industry
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Novato, California
Conditions
Sanfilippo Syndrome, Mucopolysaccharidosis III
Interventions
Epidiolex, Placebo
Drug
Lead sponsor
Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center
Other
Eligibility
4 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Torrance, California
Terminated Phase 1Phase 2 Interventional Results available

Topical Irrigation Therapy for CRS

NCT02630472
Conditions
Rhinitis, Sinusitis
Interventions
Quinine Sulfate, Placebo
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers

Accuracy of Current Techniques in Quantifying Ketone Levels

NCT06909331
Conditions
Placebo - Control, Exogenous Ketone Salt
Interventions
Exogenous ketone salt, Placebo drink solution
Dietary Supplement
Lead sponsor
Augusta University
Other
Eligibility
18 Years to 35 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Augusta, Georgia
Completed Not applicable Interventional Accepts healthy volunteers

Acute Cognitive Effects of Brain Edge

NCT07018674
Conditions
Cognitive Health, Mood
Interventions
Experimental, Placebo, Water
Dietary Supplement · Other
Lead sponsor
Nature's Sunshine Products, Inc.
Industry
Eligibility
18 Years to 64 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Lehi, Utah
Conditions
Exogenous Ketosis
Interventions
Ketone supplementation, Carbohydrate
Dietary Supplement
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 55 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Norman, Oklahoma
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Modeling Tobacco Regulatory Impacts in Appalachia Using the Experimental Tobacco Marketplace

NCT06234722
Conditions
Tobacco Use, Cigarette Use
Interventions
Very Low Nicotine Cigarette, Reduced nicotine regulatory environment, Restriction on characterizing flavors in combustible nicotine products, Restriction on characterizing flavors in noncombustible nicotine products
Drug · Behavioral
Lead sponsor
Mikhail N Koffarnus
Other
Eligibility
21 Years and older
Enrollment
473 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Lexington, Kentucky
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of Sports Supplements on Blood Flow

NCT04278053
Conditions
Determine the Effects of Nitrosigine and Citrulline-malate on Flow-mediated Dilation Among Young Adults
Interventions
inositol-stabilized arginine silicate
Dietary Supplement
Lead sponsor
University of Arkansas, Fayetteville
Other
Eligibility
18 Years to 29 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Fayetteville, Arkansas
Not listed Not applicable Interventional Accepts healthy volunteers

Assessing Tobacco Product Choice When the Cost of Menthol Cigarettes Increases

NCT03612349
Conditions
Tobacco Use, Cigarette Smoking
Interventions
Experimental Tobacco Marketplace Task
Behavioral
Lead sponsor
Brown University
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Providence, Rhode Island
Conditions
Tonsillectomy, Adenoidectomy
Interventions
Ibuprofen, Acetaminophen
Drug
Lead sponsor
Massachusetts Eye and Ear Infirmary
Other
Eligibility
2 Years to 18 Years
Enrollment
741 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
5
States / cities
San Diego, California • Boston, Massachusetts • San Antonio, Texas + 2 more
Conditions
Pain, Inflammation
Interventions
tart cultivar Montmorency cherry juice
Dietary Supplement
Lead sponsor
Oregon Health and Science University
Other
Eligibility
30 Years to 70 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Portland, Oregon
Conditions
Appetitive Behavior
Interventions
Pea Protein-20g, Pea Protein-30g, Pea Protein-40g, Whey Protein-20g, Carbohydrate Control
Dietary Supplement
Lead sponsor
Purdue University
Other
Eligibility
20 Years to 40 Years · Male only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
West Lafayette, Indiana
Conditions
Autism Spectrum Disorder, Language Disorders
Interventions
Levoleucovorin Calcium, Placebo
Drug · Other
Lead sponsor
Southwest Autism Research & Resource Center
Other
Eligibility
30 Months to 60 Months
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
2
States / cities
Phoenix, Arizona • Brooklyn, New York
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
Not listed Not applicable Interventional Accepts healthy volunteers

Ketone Supplementation in Individuals With PTSD

NCT04083352
Conditions
PTSD, Ketosis
Interventions
Pruvit Ketomax Ketone Salt, Placebo
Dietary Supplement
Lead sponsor
Augusta University
Other
Eligibility
18 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Augusta, Georgia
Completed Not applicable Interventional Results available

E-cigarettes for Harm Reduction in Adults With Asthma

NCT05278065
Conditions
Smoking, Asthma, Electronic Cigarette Use, Cigarette Smoking
Interventions
Nicotine
Other
Lead sponsor
Brown University
Other
Eligibility
21 Years to 65 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Providence, Rhode Island
Completed Not applicable Interventional Accepts healthy volunteers Results available

Perceptions of Cigarette Smoking in Young Adults

NCT03953508
Conditions
Smoking, Cigarette
Interventions
Cigarette flavor type
Other
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 26 Years
Enrollment
199 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Oklahoma City, Oklahoma