Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Jun 26, 2026, 7:55 AM EDT

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

Showing 1–24 of 792 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Smoking Cessation
Interventions
Mobile Contingency Management
Behavioral
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 64 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Conditions
Mental Fatigue
Interventions
Caffeine Blend, Sugar Pill
Dietary Supplement · Other
Lead sponsor
University of Mary Hardin-Baylor
Other
Eligibility
18 Years to 25 Years · Male only
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Belton, Texas
Active, not recruiting Not applicable Interventional

Nutrition Education in Spine Surgery

NCT06719492
Conditions
Nutrition Education, Enhanced Recovery After Surgery
Interventions
nutrition education
Behavioral
Lead sponsor
Jennifer Bowden
Other
Eligibility
18 Years and older
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Lehi, Utah
Conditions
Health, Subjective, Gastrointestinal Dysfunction, Cardiovascular Risk Factor, Autoimmune Diseases, Dental Diseases, Hormone Disturbance, Neurocognitive Dysfunction
Interventions
Supplements and/or medical foods, Behavioral change support program, Food plan
Dietary Supplement · Behavioral · Other
Lead sponsor
Metagenics, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Gig Harbor, Washington
Conditions
Joint Discomfort
Interventions
AVC-H2, Placebo
Dietary Supplement
Lead sponsor
Avicenna Nutraceutical
Other
Eligibility
40 Years to 65 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Atlanta, Georgia
Withdrawn No phase listed Observational Accepts healthy volunteers

DHB Supplement Interaction Study

NCT02257879
Conditions
Healthy Volunteers
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
18 Years to 60 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2020
U.S. locations
1
States / cities
Research Triangle Park, North Carolina
Completed Phase 2 Interventional Results available

Evaluation of SAMe for Hot Flashes

NCT01140646
Conditions
Healthy, no Evidence of Disease, Hot Flashes
Interventions
S-adenosyl-L-methionine disulfate p-toluene-sulfonate, questionnaire administration, quality-of-life assessment
Drug · Other · Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Healthy
Interventions
MicAlgae, Placebo
Dietary Supplement
Lead sponsor
Microphyt
Industry
Eligibility
18 Years to 35 Years · Male only
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Orlando, Florida
Conditions
Infertility, Pregnancy Outcome, Live Birth, In Vitro Fertilization
Interventions
10% SSS embryo culture medium protein supplementation, 0.5% HSA embryo culture medium protein supplementation
Other
Lead sponsor
Texas Health Resources
Other
Eligibility
20 Years to 40 Years · Female only
Enrollment
538 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2003
U.S. locations
2
States / cities
Dallas, Texas • Plano, Texas
Conditions
Dietary Supplement
Interventions
Oligomalt, maltodextrin
Dietary Supplement
Lead sponsor
Société des Produits Nestlé (SPN)
Industry
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Tustin, California
Recruiting Phase 2Phase 3 Interventional Accepts healthy volunteers

Effects of Ketone Supplement and Alcohol on Brain Metabolism

NCT06815237
Conditions
Ketosis, Alcohol Drinking, MRI
Interventions
Kenetik, Alcohol beverage
Dietary Supplement · Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
21 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Recruiting Not applicable Interventional Accepts healthy volunteers

Nicotinamide Adenine Dinucleotide Responses to a Nutritional Supplement

NCT07428889
Conditions
Healthy Adult
Interventions
Proprietary Nutritional Supplement, Placebo Supplement
Dietary Supplement
Lead sponsor
Shaklee Corporation
Industry
Eligibility
45 Years to 65 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Addison, Illinois
Conditions
Non-small Cell Lung Cancer
Interventions
Selected Vegetable and Herb Mix
Drug
Lead sponsor
Sun Farm Corporation
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2005
U.S. locations
1
States / cities
New York, New York
Conditions
Hair Thinning
Interventions
Nutrafol Vegan Women's Hair Supplement
Dietary Supplement
Lead sponsor
Nutraceutical Wellness Inc.
Industry
Eligibility
18 Years to 50 Years · Female only
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
2
States / cities
Manhattan Beach, California • Sacramento, California
Conditions
Aging, Sarcopenia
Interventions
Peanut Protein Powder, Full body resistance training
Dietary Supplement · Behavioral
Lead sponsor
Auburn University
Other
Eligibility
50 Years to 80 Years
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Auburn, Alabama
Conditions
Anemia, Sickle Cell
Interventions
Glutamine, Placebo
Drug
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
5 Years to 18 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
Memphis, Tennessee
Conditions
Malnutrition
Interventions
Treatment 1: Control, Treatment 2: Bolus (LNS), Treatment 3: Divided Dose (LNS)
Other · Dietary Supplement
Lead sponsor
USDA, Western Human Nutrition Research Center
Federal
Eligibility
18 Years to 40 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Davis, California
Conditions
Heart Failure NYHA Class II, Heart Failure NYHA Class III, Heart Failure NYHA Class IV
Interventions
Angiotensin 1-7, Saline solution
Drug
Lead sponsor
University of Arizona
Other
Eligibility
45 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
2
States / cities
Phoenix, Arizona • Tucson, Arizona
Conditions
Opioid Use, Opioid-use Disorder, Suicide
Interventions
OUD-CDS + Suicide Risk Model associated CDS
Other
Lead sponsor
HealthPartners Institute
Other
Eligibility
18 Years to 75 Years
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Bloomington, Minnesota
Completed Phase 2 Interventional Accepts healthy volunteers

Phyllantus Amarus for the Protection of Liver Health

NCT03349697
Conditions
Healthy
Interventions
Phyllantus amarus, Placebo
Dietary Supplement · Other
Lead sponsor
Biotropics Malaysia Berhad
Industry
Eligibility
21 Years to 50 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Northridge, California
Completed Phase 2 Interventional Results available

18-Month Study of Memory Effects of Curcumin

NCT01383161
Conditions
Age-associated Cognitive Impairment, Mild Cognitive Impairment (MCI)
Interventions
Curcumin, Placebo
Drug · Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
50 Years to 90 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Digestive Health, Abdominal Discomfort, Gas and Bloating
Interventions
Bloat Gummies, Placebo
Dietary Supplement
Lead sponsor
Arrae
Industry
Eligibility
18 Years to 65 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
San Francisco, California
Conditions
Human Immunodeficiency Virus Infection
Interventions
rice bran arabinoxylan compound (RBAC), Placebo
Dietary Supplement
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Miami, Florida
Conditions
Cognitive Decline, Cognitive Function
Interventions
MindMD Supplement, Placebo
Dietary Supplement · Other
Lead sponsor
Scale Media Inc
Industry
Eligibility
50 Years to 75 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Santa Monica, California