Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Sep 25, 2026, 9:50 AM EDT

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

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: Placebo Maltodextrin Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Feasibility of an Oral Intervention for Sexual Health in Transgender Men

NCT06470906
View directory record Official record
Conditions
Vaginal Dysbiosis, Vaginal Disease, Molecular-bacterial Vaginosis
Interventions
Probiotic Group, Placebo Group
Dietary Supplement
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 45 Years · Male only
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated May 8, 2025 · Synced Sep 25, 2026, 9:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Clinical Study to Assess the Effect of Novel Glycans on Nitrogen Metabolism of the Gut in Healthy Subjects

NCT04603378
View directory record Official record
Conditions
Healthy
Interventions
KB195, Polydextrose, Pullulan, Maltodextrin
Other
Lead sponsor
Kaleido Biosciences
Industry
Eligibility
18 Years to 50 Years
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Oct 25, 2020 · Synced Sep 25, 2026, 9:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Whey Protein Supplements on Markers of Exercise-induced Muscle Damage in Resistance-trained Individuals

NCT05100459
View directory record Official record
Conditions
Muscle Damage, Muscle Soreness
Interventions
Pasture-raised whey protein, Conventional whey protein, Placebo
Dietary Supplement
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 40 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Bloomington, Indiana
Source: ClinicalTrials.gov public record
Updated Mar 1, 2023 · Synced Sep 25, 2026, 9:50 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Anti-anxiety Biotics for Breast Cancer Survivors

NCT04784182
View directory record Official record
Conditions
Anxiety Generalized, Breast Cancer Female
Interventions
probiotic plus prebiotic supplement, placebo
Dietary Supplement
Lead sponsor
Auburn University
Other
Eligibility
50 Years and older · Female only
Enrollment
3 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Auburn, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 23, 2023 · Synced Sep 25, 2026, 9:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Changes in Metabolic Rate and Perceptual Indicators After Acute Ingestion of Paraxanthine

NCT05811923
View directory record Official record
Conditions
Metabolic Syndrome, Caffeine
Interventions
Venous Blood Collection, Resting Metabolic Rate Determination, Mood State, Visual Analog Scales
Other
Lead sponsor
Lindenwood University
Other
Eligibility
18 Years to 39 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Saint Charles, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 12, 2023 · Synced Sep 25, 2026, 9:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Oral Fructanase Administration on Gastrointestinal Symptoms After Inulin Challenge in Healthy Adults

NCT06628869
View directory record Official record
Conditions
Digestive Health, Gastrointestinal Health, FODMAP Intolerance, Food Sensitivity
Interventions
Fructanase, Maltodextrin placebo
Dietary Supplement
Lead sponsor
BIO-CAT, Inc.
Industry
Eligibility
20 Years to 50 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Addison, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 9, 2025 · Synced Sep 25, 2026, 9:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of a Novel Probiotic on Gastrointestinal Health in Generally Healthy Adults

NCT05595980
View directory record Official record
Conditions
Gastrointestinal Health, Immune Health, Digestive Health
Interventions
Probiotic, Placebo
Dietary Supplement
Lead sponsor
BIO-CAT Microbials, LLC
Industry
Eligibility
30 Years to 65 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Addison, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 5, 2023 · Synced Sep 25, 2026, 9:50 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Gastrointestinal And Metabolic Effects From a Prebiotic, Lifting, and Aerobic iNtervention

NCT05207488
View directory record Official record
Conditions
Overweight and Obesity
Interventions
Fructooligosaccharides (FOS), Exercise, Placebo
Dietary Supplement · Behavioral
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
20 Years to 45 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 9, 2022 · Synced Sep 25, 2026, 9:50 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Slowly Digestible Carbohydrates for GLP-1 Secretion

NCT07572513
View directory record Official record
Conditions
Blood Glucose, GLP-1, Satiety, Second Meal Intake, Healthy Participant Study
Interventions
Maltodextrin (Placebo), Raw Corn Starch
Dietary Supplement
Lead sponsor
Purdue University
Other
Eligibility
18 Years to 45 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Sep 25, 2026, 9:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of 4 Weeks of Citrulline and Glutathione Supplementation on Arterial Function

NCT04672447
View directory record Official record
Conditions
Menopause, Cardiovascular Risk Factor
Interventions
L-Citrulline, Placebo, Glutathione
Dietary Supplement
Lead sponsor
Texas Tech University
Other
Eligibility
50 Years to 79 Years · Female only
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated Oct 19, 2022 · Synced Sep 25, 2026, 9:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Two Different Lion's Mane Extracts (Lions Mane Fruiting Body & Lions Mane Fruiting Body With Mycellium) on Cognitive Performance, Subjective Affect, Serum Biomarkers, and Gut Microbiota in Healthy Adults

NCT07405957
View directory record Official record
Conditions
Healthy Adult Females, Healthy Adult Male
Interventions
Lion Mane (Hericium erinaceus) fruiting body extract - Nordic Origin, Lions Mane (Hericium erinaceus) Fruiting body and mycelium, Maltodextrin (Placebo)
Dietary Supplement · Other
Lead sponsor
Applied Food Sciences Inc.
Industry
Eligibility
40 Years to 65 Years
Enrollment
87 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Canfield, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 12, 2026 · Synced Sep 25, 2026, 9:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Trial to Evaluate Dietary Supplements to Maintain Gut Health During Travel

NCT04605783
View directory record Official record
Conditions
Diarrhea
Interventions
Travelan®, Placebo
Dietary Supplement · Other
Lead sponsor
Henry M. Jackson Foundation for the Advancement of Military Medicine
Other
Eligibility
18 Years to 70 Years
Enrollment
851 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
4
States / cities
Honolulu, Hawaii • Marine Corps Base Camp Lejeune, North Carolina • Portsmouth, Virginia + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 16, 2025 · Synced Sep 25, 2026, 9:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Acute Effects of Naturally Occurring Tea and Coffee-based Ingredients on Cognitive Performance

NCT06062186
View directory record Official record
Conditions
Cognitive Change
Interventions
Placebo, AmaTea Guayusa Extract, Lion's Mane
Dietary Supplement
Lead sponsor
The Center for Applied Health Sciences, LLC
Industry
Eligibility
18 Years to 50 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Canfield, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 1, 2023 · Synced Sep 25, 2026, 9:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Aronia Berries on Vascular Endothelial Function and the Gut Microbiota in Middle-Aged/Older Adults

NCT03824041
View directory record Official record
Conditions
Endothelial Dysfunction, Aging
Interventions
Aronia full spectrum - half dose, Aronia full spectrum - full dose, Placebo
Dietary Supplement
Lead sponsor
Colorado State University
Other
Eligibility
45 Years to 75 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 2, 2023 · Synced Sep 25, 2026, 9:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Plant Concentrate Blend on Oxidative Stress in Healthy Humans

NCT02213588
View directory record Official record
Conditions
Healthy
Interventions
AOX blend, Placebo
Dietary Supplement
Lead sponsor
Access Business Group
Industry
Eligibility
18 Years to 65 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Buena Park, California
Source: ClinicalTrials.gov public record
Updated Aug 10, 2014 · Synced Sep 25, 2026, 9:50 AM EDT
Recruiting Not applicable Interventional

Prebiotic Inulin for Late-Reproductive Individuals

NCT07724522
View directory record Official record
Conditions
Obesity & Overweight, Perimenopausal Women, Prebiotics, Inulin, Muscle, Skeletal, Cardiovascular Diseases (CVD), Microbiota, Gastrointestinal Microbiome, Dietary Fiber, Women Health, Vascular Health, Insulin Resistance
Interventions
Inulin, Maltodextrin (Placebo)
Dietary Supplement
Lead sponsor
George Washington University
Other
Eligibility
40 Years to 55 Years · Female only
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Aug 10, 2026 · Synced Sep 25, 2026, 9:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of BrainPhyt High Dose on Cognitive Function in Healthy Older Individuals

NCT05759910
View directory record Official record
Conditions
Age-associated Memory Impairment
Interventions
Brainphyt high dose, Placebo
Dietary Supplement
Lead sponsor
Microphyt
Industry
Eligibility
55 Years to 55 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
College Station, Texas
Source: ClinicalTrials.gov public record
Updated Nov 7, 2023 · Synced Sep 25, 2026, 9:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Prospective, Randomized, Double-Blind, Placebo-Controlled Study to Evaluate the Effects of LasoperinTM on Cognitive Function in Healthy Adults

NCT05994391
View directory record Official record
Conditions
Cognitive Impairment, Cognitive Decline, Cognition Disorders in Old Age, Well-Being, Psychological, Inflammation, Cognitive Fun
Interventions
LasoperinTM, Placeo
Dietary Supplement
Lead sponsor
Lindenwood University
Other
Eligibility
30 Years to 60 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Saint Charles, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 15, 2023 · Synced Sep 25, 2026, 9:50 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Creatine Supplementation on Cognitive Measures and Markers of Acute Kidney Injury After Exercise in the Heat

NCT07472426
View directory record Official record
Conditions
Acute Kidney Injury, Exertional Heat Illness
Interventions
Creatine Monohydrate, Maltodextrin (Placebo)
Dietary Supplement
Lead sponsor
University of Northern Iowa
Other
Eligibility
18 Years to 45 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Cedar Falls, Iowa
Source: ClinicalTrials.gov public record
Updated Mar 15, 2026 · Synced Sep 25, 2026, 9:50 AM EDT
Completed Not applicable Interventional

Grape Seed Extract and Postprandial Oxidation and Inflammation

NCT01190358
View directory record Official record
Conditions
Metabolic Syndrome
Interventions
Placebo, Grape seed extract
Dietary Supplement
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
2
States / cities
Davis, California • Mather, California
Source: ClinicalTrials.gov public record
Updated Jul 18, 2017 · Synced Sep 25, 2026, 9:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Dietary Seaweed and Early Breast Cancer: A Randomized Trial

NCT01663792
View directory record Official record
Conditions
Seaweed Associated Changes in Healthy Subjects
Interventions
Seaweed, Placebo, Placebo2
Other
Lead sponsor
University of South Carolina
Other
Eligibility
45 Years to 68 Years · Female only
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated May 10, 2021 · Synced Sep 25, 2026, 9:50 AM EDT
Completed Not applicable Interventional

The Effect of NADPH Oxidase and Creatine Supplementation on Microvascular Blood Flow Regulation

NCT06018480
View directory record Official record
Conditions
Endothelial Dysfunction
Interventions
Creatine Monohydrate, Maltodextrin (Placebo)
Other
Lead sponsor
Florida State University
Other
Eligibility
18 Years to 70 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated May 15, 2024 · Synced Sep 25, 2026, 9:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Onnit Labs New Mood Supplementation in Healthy College Students

NCT05109923
View directory record Official record
Conditions
Mental Health Wellness 1
Interventions
Multi-Ingredient Herbal Supplement, Placebo Supplement
Dietary Supplement
Lead sponsor
University of Idaho
Other
Eligibility
18 Years to 24 Years
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Moscow, Idaho
Source: ClinicalTrials.gov public record
Updated Nov 4, 2021 · Synced Sep 25, 2026, 9:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect of Whey Protein Supplementation and Resistance Exercise on Muscle Parameters in Older Adults

NCT00635739
View directory record Official record
Conditions
Mobility Limitation
Interventions
Whey protein, Maltodextrin placebo
Dietary Supplement
Lead sponsor
Tufts University
Other
Eligibility
70 Years to 85 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 17, 2019 · Synced Sep 25, 2026, 9:50 AM EDT