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ClinicalTrials.gov public records Last synced Oct 19, 2026, 1:14 AM EDT

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Showing 193–216 of 2,921 matching trials from the live ClinicalTrials.gov search.
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Completed Early Phase 1 Interventional Results available

Melatonin in Patients With Multiple Sclerosis (MS).

NCT03498131
View directory record Official record
Conditions
Relapsing Remitting Multiple Sclerosis
Interventions
3 mg Melatonin, 5 mg Melatonin
Drug
Lead sponsor
Providence Health & Services
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Mar 30, 2025 · Synced Oct 19, 2026, 1:14 AM EDT
Completed Not applicable Interventional Results available

Ketone Ester Effects on Biomarkers of Brain Metabolism and Cognitive Performance in Cognitively Intact Adults 55 Years Old or Older

NCT04421014
View directory record Official record
Conditions
Metabolic Syndrome, Normal Cognition
Interventions
Ketone Ester drink, Placebo: isocaloric dextrose drink
Dietary Supplement
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
55 Years and older
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 2, 2026 · Synced Oct 19, 2026, 1:14 AM EDT
Completed Not applicable Interventional

Engineering Gut Microbiome to Target Breast Cancer

NCT03358511
View directory record Official record
Conditions
Breast Cancer
Interventions
Probiotic
Dietary Supplement
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated May 21, 2020 · Synced Oct 19, 2026, 1:14 AM EDT
Recruiting Phase 1Phase 2 Interventional

Phase 2 Trial of Tributyrin in People With Parkinson's Disease and Cognitive Impairments

NCT07154511
View directory record Official record
Conditions
Parkinson Disease, Parkinson Disease Dementia
Interventions
Tributyrin, Placebo
Drug
Lead sponsor
Prabesh Kanel
Other
Eligibility
45 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Nov 12, 2025 · Synced Oct 19, 2026, 1:14 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Modulation of the Intestinal Microbiome by a High Protein Diet

NCT04812964
View directory record Official record
Conditions
Obesity
Interventions
Protein powder supplement, standard dosage based on 0.5 gram protein per pound of subject's lean body mass, Protein powder supplement, High Level Protein, based on 1 gram of protein per pound of lean body mass: 25% protein and 45% carbohydrate
Dietary Supplement
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
20 Years to 60 Years
Enrollment
106 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
1
States / cities
West Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 7, 2024 · Synced Oct 19, 2026, 1:14 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Assessment of DHA On Reducing Early Preterm Birth

NCT02626299
View directory record Official record
Conditions
Preterm Birth
Interventions
Docosahexaenoic acid - 800mg/day, Docosahexaenoic acid - 200mg/day, Placebo
Drug · Other
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
1,100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
3
States / cities
Kansas City, Kansas • Cincinnati, Ohio • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 30, 2021 · Synced Oct 19, 2026, 1:14 AM EDT
Completed Phase 4 Interventional Results available

Zoledronic Acid for Osteoporotic Fracture Prevention (ZEST II)

NCT02589600
View directory record Official record
Conditions
Osteoporotic Fractures, Osteoporosis, Postmenopausal
Interventions
Zoledronic acid, vitamin D, calcium, Saline
Drug · Dietary Supplement · Other
Lead sponsor
Susan L. Greenspan
Other
Eligibility
65 Years and older · Female only
Enrollment
310 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
New Kensington, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 26, 2023 · Synced Oct 19, 2026, 1:14 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Nutrition and Exercise for Sarcopenia

NCT00872911
View directory record Official record
Conditions
Sarcopenia
Interventions
Amino acids, Exercise
Dietary Supplement · Drug
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
65 Years to 85 Years
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2016
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 12, 2016 · Synced Oct 19, 2026, 1:14 AM EDT
Active, not recruiting Not applicable Interventional

Monounsaturated Fatty Acid Supplementation for Overweight and Obese Individuals With Prediabetes

NCT05560971
View directory record Official record
Conditions
PreDiabetes, Insulin Resistance, Overweight, Obesity
Interventions
Palmitoleic acid, Placebo
Dietary Supplement · Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 70 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 19, 2026, 1:14 AM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers

Red Yeast Rice and Phytosterols In Statin Intolerance

NCT00897975
View directory record Official record
Conditions
Hyperlipidemia
Interventions
red yeast rice, phytosterol, therapeutic lifestyle program, placebo
Dietary Supplement · Drug · Behavioral
Lead sponsor
Chestnut Hill Health System
Other
Eligibility
21 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
2
States / cities
Abington, Pennsylvania • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 18, 2011 · Synced Oct 19, 2026, 1:14 AM EDT
Completed Phase 4 Interventional

MP Diagnostics HTLV Blot 2.4 Post-Market Clinical Study

NCT03226119
View directory record Official record
Conditions
HTLV-I Infections, HTLV-II Infections, Human T-lymphotropic Virus 1, Human T-lymphotropic Virus 2, HTLV I Associated T Cell Leukemia Lymphoma, HTLV I Associated Myelopathies
Interventions
MP Diagnostics HTLV Blot 2.4
Diagnostic Test
Lead sponsor
MP Biomedicals, LLC
Industry
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
3
States / cities
Philadelphia, Pennsylvania • San Antonio, Texas • Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 13, 2018 · Synced Oct 19, 2026, 1:14 AM EDT
Completed Not applicable Interventional

Vitamin D Reabsorption in Adolescents and Young Adults With HIV Infection

NCT00490412
View directory record Official record
Conditions
HIV Infections
Interventions
Vitamin D supplement, Placebo
Dietary Supplement · Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 24 Years
Enrollment
207 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
14
States / cities
Los Angeles, California • San Francisco, California • Washington D.C., District of Columbia + 10 more
Source: ClinicalTrials.gov public record
Updated Feb 28, 2017 · Synced Oct 19, 2026, 1:14 AM EDT
Completed Not applicable Interventional Results available

The BRAINFOOD Trial to Prevent Recurrent Hepatic Encephalopathy.

NCT04675775
View directory record Official record
Conditions
Cirrhosis, Ascites, Liver Diseases, Frailty, Sarcopenia, Hepatic Encephalopathy
Interventions
Medically-tailored meals (MTM), Protein supplements, Nutrition education handout
Other · Dietary Supplement · Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 6, 2024 · Synced Oct 19, 2026, 1:14 AM EDT
Completed Not applicable Interventional

Human Milk Cream as a Caloric Supplement in Pre-Term Infants

NCT01487928
View directory record Official record
Conditions
Prematurity
Interventions
Human Milk Cream
Dietary Supplement
Lead sponsor
Baylor College of Medicine
Other
Eligibility
Up to 21 Days
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
2
States / cities
Houston, Texas • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jan 29, 2026 · Synced Oct 19, 2026, 1:14 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Supplemental Transcranial Magnetic Stimulation (TMS) vs. Standard Medication Monotherapy for Treating Major Depression: An Exploratory Field Study

NCT01944657
View directory record Official record
Conditions
1. Major Depressive Disorder
Interventions
Supplemental TMS, Standard Medication Monotherapy
Device · Drug
Lead sponsor
Sheppard Pratt Health System
Other
Eligibility
18 Years to 70 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Towson, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 25, 2017 · Synced Oct 19, 2026, 1:14 AM EDT
Terminated Not applicable Interventional

The Impact of Functional Medicine On Wound Healing From Delayed Autologous Breast Reconstruction

NCT05028101
View directory record Official record
Conditions
Breast Reconstruction
Interventions
Delayed autologous breast reconstruction, Perioperative Functional Medicine (FM) Care
Procedure · Behavioral
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 21, 2024 · Synced Oct 19, 2026, 1:14 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Almased Multi-Center Diabetes Intervention Trial

NCT01702012
View directory record Official record
Conditions
Type 2 Diabetes, Obesity
Interventions
Almased Meal Replacement Powder, Group-Based Lifestyle Intervention
Dietary Supplement · Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
21 Years and older
Enrollment
240 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 31, 2020 · Synced Oct 19, 2026, 1:14 AM EDT
Completed Phase 2 Interventional Results available

Impact of Colchicine and Low-dose Naltrexone on COVID-19

NCT04756128
View directory record Official record
Conditions
Covid19
Interventions
Colchicine 0.6 mg, Naltrexone
Drug
Lead sponsor
HealthPartners Institute
Other
Eligibility
18 Years and older
Enrollment
142 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
2
States / cities
Saint Louis Park, Minnesota • Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 25, 2023 · Synced Oct 19, 2026, 1:14 AM EDT
Completed Not applicable Interventional

The Effects of Probiotic Supplementation on State and Trait Stress, Anxiety, and Depression Symptoms in Stressed Adults

NCT07216729
View directory record Official record
Conditions
Anxiety Symptoms, Perceived Stress, Depressive Symptoms
Interventions
Lactobacillus reuteri DSM 17938, Placebo
Dietary Supplement · Other
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
18 Years to 45 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 18, 2025 · Synced Oct 19, 2026, 1:14 AM EDT
Completed Phase 3 Interventional

Comparison of Nutritional Supplements in Preventing Weight Loss in Patients With Cancer

NCT00053053
View directory record Official record
Conditions
Cachexia, Lymphoma, Lymphoproliferative Disorder, Unspecified Adult Solid Tumor, Protocol Specific
Interventions
Juven, Non-Juven Supplement
Dietary Supplement
Lead sponsor
Radiation Therapy Oncology Group
Network
Eligibility
17 Years to 120 Years
Enrollment
472 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2009
U.S. locations
230
States / cities
Birmingham, Alabama • Huntsville, Alabama • Mobile, Alabama + 181 more
Source: ClinicalTrials.gov public record
Updated Dec 8, 2016 · Synced Oct 19, 2026, 1:14 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Dietary Lutein and the Retinopathy of Prematurity

NCT00672230
View directory record Official record
Conditions
Lactation
Interventions
Lutein supplement
Dietary Supplement
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years and older · Female only
Enrollment
212 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2009
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Aug 28, 2019 · Synced Oct 19, 2026, 1:14 AM EDT
Completed Not applicable Interventional Results available

Effect of Milk Oligosaccharides and Bifidobacteria on the Intestinal Microflora of Children With Autism

NCT02086110
View directory record Official record
Conditions
Autism
Interventions
Synbiotic, Prebiotic
Dietary Supplement
Lead sponsor
University of California, Davis
Other
Eligibility
2 Years to 11 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Aug 1, 2019 · Synced Oct 19, 2026, 1:14 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Cognitive Vitality Pilot Study

NCT07208279
View directory record Official record
Conditions
Aging, Healthy Aging, Cognition, Memory, Brain
Interventions
Axolt Brain Supplement, Bolero - Flavored Drink Placebo
Dietary Supplement
Lead sponsor
Arizona State University
Other
Eligibility
55 Years and older
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
West Palm Beach, Florida
Source: ClinicalTrials.gov public record
Updated Oct 28, 2025 · Synced Oct 19, 2026, 1:14 AM EDT
Recruiting Not applicable Interventional

Study Using Prebiotics to Improve Gut Microbiome Diversity After Autologous Cellular Therapy

NCT05135351
View directory record Official record
Conditions
Multiple Myeloma, Lymphoma
Interventions
Resistant Starch, Maltodextrin
Dietary Supplement
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Jul 27, 2026 · Synced Oct 19, 2026, 1:14 AM EDT