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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Completed Not applicable Interventional

Modification of Asthma With Soy Isoflavone

NCT00741208
View directory record Official record
Conditions
Asthma
Interventions
Soy Isoflavone
Dietary Supplement
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 7, 2011 · Synced Sep 19, 2026, 8:48 AM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Understanding the Efficacy of Dietary Supplement on Fungal Mycobiota in Healthy Volunteers: A Pilot Study

NCT06433310
View directory record Official record
Conditions
Gut Microbiome, Gut Health, Dietary Supplement, L-Phenylalanine, Phenylpropionic Acid
Interventions
L-Phenylalanine 500 mg Veg Capsule product
Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 25, 2026 · Synced Sep 19, 2026, 8:48 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

The Effect of Endothelin and L-Arginine on Racial Differences in Vasoconstriction

NCT03679780
View directory record Official record
Conditions
Cardiovascular Diseases, Cardiovascular Risk Factor, Vasoconstriction
Interventions
BQ-788, BQ-123, L-Arginine, NG Nitro L Arginine Methyl Ester, Sodium Nitroprusside, Lactated Ringer's
Drug
Lead sponsor
The University of Texas at Arlington
Other
Eligibility
18 Years to 35 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
1
States / cities
Arlington, Texas
Source: ClinicalTrials.gov public record
Updated Jun 10, 2024 · Synced Sep 19, 2026, 8:48 AM EDT
Terminated Phase 4 Interventional Results available

Efficacy of PRGF Supplementation After TMJ Arthrocentesis in Patients With TMJ Osteoarthritis

NCT04731233
View directory record Official record
Conditions
TMJ, Osteoarthritis
Interventions
Plasma Rich in Growth Factor (PRGF) Supplementation, Triamcinolone Acetonide
Biological · Drug
Lead sponsor
University of Florida
Other
Eligibility
40 Years to 80 Years · Female only
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Feb 20, 2025 · Synced Sep 19, 2026, 8:48 AM EDT
Completed Not applicable Interventional Results available

Does a Single Intravenous Dose of Ketamine Reduce the Need for Supplemental Opioids in Post-Cesarean Section Patients?

NCT00486902
View directory record Official record
Conditions
Ketamine Adverse Reaction, Effects of; Anesthesia, Spinal and Epidural, in Pregnancy, Complication of Labor and/or Delivery
Interventions
Ketamine, Placebo
Drug
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 60 Years · Female only
Enrollment
188 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 13, 2014 · Synced Sep 19, 2026, 8:48 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effects of P24 on Postprandial Aminoacidemia

NCT07479173
View directory record Official record
Conditions
Postprandial Amino Acid Concentrations in Healthy Adults
Interventions
Protease enzyme supplement, Placebo
Dietary Supplement · Other
Lead sponsor
Amplifye
Industry
Eligibility
45 Years to 75 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Sep 19, 2026, 8:48 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Essential Amino Acids and High Intensity Interval Training

NCT04080102
View directory record Official record
Conditions
Cardiovascular Risk Factor, Obesity
Interventions
High Intensity Interval Training, Essential Amino Acid, High intensity interval training and essential amino acid supplement
Other · Dietary Supplement
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
30 Years to 50 Years
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 29, 2020 · Synced Sep 19, 2026, 8:48 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluate the Effects of Repeated Periods of Modified Fasting to Support Healthy Natural Weight Management and Prevention of Weight Gain

NCT03372109
View directory record Official record
Conditions
Body Weight Changes
Interventions
Meal replacement shake, Multivitamin and mineral capsules, Fish oil with sesame lignans and olive extract softgel, Prebiotic Chewable tablet, Clove Extract and Maqui Berry extract capsule, .Whole Food Blend capsule, Turmeric extract capsule, European White Kidney Bean capsule, Saffron extract capsule, Ubiquinol with Fulvic acid complex softgel, Calcium with Hesperidin and gynostemma extract tablet, Multivitamin and mineral supplement
Dietary Supplement
Lead sponsor
Supplement Formulators, Inc.
Industry
Eligibility
21 Years to 65 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Fort Lauderdale, Florida
Source: ClinicalTrials.gov public record
Updated Apr 16, 2018 · Synced Sep 19, 2026, 8:48 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Protein Supplementation Post Bariatric Surgery

NCT02951663
View directory record Official record
Conditions
Bariatric Surgery Candidate
Interventions
Protein
Dietary Supplement
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 70 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 19, 2019 · Synced Sep 19, 2026, 8:48 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Nourishing Hair, Skin & Nails Supplement Study (Derm Aid)

NCT04249128
View directory record Official record
Conditions
Hair Loss, Skin Laxity, Cosmetic Acne, Nails; Soft, Skin Aging
Interventions
Vegetarian Collagen, Keratin, Ceramides, Astaxanthin
Dietary Supplement
Lead sponsor
ProofPilot
Industry
Eligibility
26 Years to 100 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 10, 2021 · Synced Sep 19, 2026, 8:48 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Efficacy of Pre-sleep or Post-exercise Protein During 12 Weeks of Resistance Exercise Training

NCT05922475
View directory record Official record
Conditions
Aging
Interventions
Protein, Placebo
Dietary Supplement · Other
Lead sponsor
Florida State University
Other
Eligibility
60 Years to 75 Years · Male only
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Jun 27, 2023 · Synced Sep 19, 2026, 8:48 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Efficacy of Tyrosine in Restless Legs Syndrome

NCT01494766
View directory record Official record
Conditions
Restless Legs Syndrome (RLS)
Interventions
L-Tyrosine
Dietary Supplement
Lead sponsor
Seton Healthcare Family
Other
Eligibility
18 Years to 80 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Apr 26, 2017 · Synced Sep 19, 2026, 8:48 AM EDT
Active, not recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

Effect of a Daily Supplement on Plasma PAI-1 Levels

NCT07469475
View directory record Official record
Conditions
Aging, Endothelial Dysfunction, Senescence
Interventions
Supplement with ginger extract, L-citrulline, Paullinia cupana, and muira puama
Dietary Supplement
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
2
States / cities
Los Angeles, California • Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Jun 24, 2026 · Synced Sep 19, 2026, 8:48 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effect of Using Whey Protein and Creatine Supplements on Muscular Strength in Weight-training Adult Males

NCT02094781
View directory record Official record
Conditions
Nutritional Status
Interventions
Whey protein and creatine supplement, Whey protein only supplement, Placebo
Dietary Supplement
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 35 Years · Male only
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Dec 14, 2014 · Synced Sep 19, 2026, 8:48 AM EDT
Completed Phase 3 Interventional

Effects of Teriparatide in the Treatment of Postmenopausal Women With Osteoporosis

NCT00670501
View directory record Official record
Conditions
Osteoporosis, Postmenopausal
Interventions
teriparatide, Placebo, Calcium Supplement, Vitamin D Supplement
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
30 Years to 85 Years · Female only
Enrollment
1,637 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 1999
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 30, 2008 · Synced Sep 19, 2026, 8:48 AM EDT
Terminated Phase 2 Interventional

A Window of Opportunity Study of Methionine Deprivation in Triple Negative Breast Cancer

NCT03186937
View directory record Official record
Conditions
Breast Cancer, Triple Negative Breast Cancer
Interventions
hominex-2
Dietary Supplement
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older · Female only
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Aug 17, 2021 · Synced Sep 19, 2026, 8:48 AM EDT
Active, not recruiting Phase 1Phase 2 Interventional

Study of LP-184 in Patients With Advanced Solid Tumors

NCT05933265
View directory record Official record
Conditions
Advanced Solid Tumor, Metastatic Solid Tumor, GBM, TNBC - Triple-Negative Breast Cancer, NSCLC, Pancreatic Adenocarcinoma, DDR Gene Mutation
Interventions
LP-184, Olaparib, Nivolumab & Ipilimumab
Drug
Lead sponsor
Lantern Pharma Inc.
Industry
Eligibility
18 Years and older
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
7
States / cities
Springdale, Arkansas • Indianapolis, Indiana • Louisville, Kentucky + 4 more
Source: ClinicalTrials.gov public record
Updated May 3, 2026 · Synced Sep 19, 2026, 8:48 AM EDT
Not listed Not applicable Interventional

Investigation of Supplemental L-alanine in the Management of Dietary Fructose Intolerance

NCT04022434
View directory record Official record
Conditions
Fructose Intolerance
Interventions
Placedo, Alanine
Dietary Supplement
Lead sponsor
Augusta University
Other
Eligibility
18 Years and older
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 14, 2020 · Synced Sep 19, 2026, 8:48 AM EDT
Recruiting Phase 4 Interventional

A Study Assessing Corneal Endothelial Cells in Participants With Neovascular Age-related Macular Degeneration (nAMD) Treated With the Port Delivery System With Ranibizumab (PDS)

NCT04853251
View directory record Official record
Conditions
Neovascular Age-related Macular Degeneration
Interventions
PDS Implant With Ranibizumab 100 mg/ml, LUCENTIS (Ranibizumab Injection)
Device · Drug
Lead sponsor
Genentech, Inc.
Industry
Eligibility
50 Years and older
Enrollment
188 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
52
States / cities
Mesa, Arizona • Bakersfield, California • Huntington Beach, California + 47 more
Source: ClinicalTrials.gov public record
Updated Sep 1, 2026 · Synced Sep 19, 2026, 8:48 AM EDT
Completed Not applicable Interventional

Immune Enhancement for Immunological Non-responders to ART

NCT01806870
View directory record Official record
Conditions
HIV
Interventions
Zinc and SAMe
Dietary Supplement
Lead sponsor
Emory University
Other
Eligibility
21 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
2
States / cities
Atlanta, Georgia • Decatur, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 17, 2019 · Synced Sep 19, 2026, 8:48 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Single Photon Emission Computed Tomography (SPECT) Imaging Study of Professional American Football Players

NCT01515839
View directory record Official record
Conditions
Traumatic Brain Injury
Interventions
Multivitamin Supplement intervention
Dietary Supplement
Lead sponsor
Amen Clinics, Inc.
Industry
Eligibility
18 Years and older · Male only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Newport Beach, California
Source: ClinicalTrials.gov public record
Updated Jan 23, 2012 · Synced Sep 19, 2026, 8:48 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Creatine Augmentation for Adolescent Females With Treatment-Resistant Major Depressive Disorder

NCT02134808
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Creatine, Placebo
Drug
Lead sponsor
Perry Renshaw
Other
Eligibility
12 Years to 21 Years · Female only
Enrollment
71 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jul 2, 2024 · Synced Sep 19, 2026, 8:48 AM EDT
Completed Not applicable Interventional

Feasibility and Acceptability of Powdered Multinutrient Formula

NCT05234593
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder
Interventions
EmpowerPlus Lightning Sticks
Dietary Supplement
Lead sponsor
Oregon Health and Science University
Other
Eligibility
7 Years to 16 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 3, 2025 · Synced Sep 19, 2026, 8:48 AM EDT
Completed Not applicable Interventional

Asthma L-Citrulline Pilot Study

NCT02943161
View directory record Official record
Conditions
Asthma
Interventions
L-Citrulline
Dietary Supplement
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 70 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
2
States / cities
Aurora, Colorado • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 26, 2020 · Synced Sep 19, 2026, 8:48 AM EDT