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Showing 1–24 of 36 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Corn starch capsules Clear all
Completed Phase 2 Interventional Results available

A Phase II Study of PDC-1421 Capsule to Evaluate the Safety and Efficacy in Patients With Major Depressive Disorder

NCT02395978
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
PDC-1421 Capsule, placebo
Drug
Lead sponsor
BioLite, Inc.
Industry
Eligibility
20 Years to 65 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jul 21, 2021 · Synced Sep 6, 2026, 6:01 PM EDT
Completed Phase 4 Interventional Results available

Efficacy of Fish Oil in Lupus Patients

NCT00828178
View directory record Official record
Conditions
Systemic Lupus Erythematosus
Interventions
Omega-3, flow-mediated dilation of the brachial artery, corn starch
Drug · Device · Other
Lead sponsor
Michelle Petri M.D.,MPH
Other
Eligibility
18 Years and older
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
2
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 17, 2016 · Synced Sep 6, 2026, 6:01 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Iron Supplementation and Side Effects

NCT04018300
View directory record Official record
Conditions
Iron Deficiency Anemia, Iron Overload
Interventions
Ferrous sulfate, Aspiron, Placebo
Dietary Supplement · Other
Lead sponsor
Iowa State University
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Ames, Iowa
Source: ClinicalTrials.gov public record
Updated Jul 11, 2019 · Synced Sep 6, 2026, 6:01 PM EDT
Active, not recruiting Phase 2Phase 3 Interventional

LMN-201 for Prevention of C. Difficile Infection Recurrence

NCT05330182
View directory record Official record
Conditions
Clostridioides Difficile Infection
Interventions
LMN-201, Placebo
Drug
Lead sponsor
Lumen Bioscience, Inc.
Industry
Eligibility
18 Years and older
Enrollment
375 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
15
States / cities
Escondido, California • Hamden, Connecticut • Tampa, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Jul 29, 2026 · Synced Sep 6, 2026, 6:01 PM EDT
Recruiting Phase 2 Interventional

Losartan to Improve Outcomes After Multi-ligament Knee Injury

NCT06933706
View directory record Official record
Conditions
Multi-ligament Knee Injury
Interventions
losartan 25 mg, Placebo capsule
Drug · Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 40 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
3
States / cities
Lexington, Kentucky • Bethesda, Maryland • Foxborough, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 19, 2026 · Synced Sep 6, 2026, 6:01 PM EDT
Completed Phase 4 Interventional Results available

Vitamin D and Prebiotics for Intestinal Health in Cystic Fibrosis

NCT04118010
View directory record Official record
Conditions
Cystic Fibrosis, Dysbiosis
Interventions
Vitamin D3, Placebo vitamin D3, Inulin, Placebo Inulin
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 6, 2024 · Synced Sep 6, 2026, 6:01 PM EDT
Completed Not applicable Interventional

Novel Dietary Interventions for Treating Insulin Resistance

NCT02006394
View directory record Official record
Conditions
Insulin Resistance, Obesity, Metabolic Syndrome
Interventions
Fish Oil, Polyphenol Capsules, Corn Oil Capsules, Corn starch capsules, Reduced glycemic index bread products, Market variety bread products
Dietary Supplement · Other
Lead sponsor
University of California, San Diego
Other
Eligibility
21 Years to 55 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Dec 11, 2013 · Synced Sep 6, 2026, 6:01 PM EDT
Completed Not applicable Interventional

Impact of 60 Days Powdered Tart Cherry Supplementation on Metabolic Syndrome

NCT05614947
View directory record Official record
Conditions
Metabolic Syndrome
Interventions
Powdered tart cherry, Placebo
Dietary Supplement
Lead sponsor
Ohio University
Other
Eligibility
18 Years to 60 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Athens, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 29, 2025 · Synced Sep 6, 2026, 6:01 PM EDT
Withdrawn Phase 2Phase 3 Interventional

GetHealthy-OA: A Program to Improve Pain and Function for Patients With Knee Osteoarthritis, Obesity, and Depression

NCT05482672
View directory record Official record
Conditions
Knee Osteoarthritis, Obese, Depression
Interventions
Fisetin, GetHealthy-OA mind-body program, Placebo oral capsule, Health education booklet
Drug · Behavioral
Lead sponsor
Cale Andrew Jacobs, PhD
Other
Eligibility
40 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
2
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Apr 30, 2023 · Synced Sep 6, 2026, 6:01 PM EDT
Completed Phase 4 Interventional Results available

Treating Cognition in Schizophrenia With Atomoxetine and Cognitive Remediation

NCT00628394
View directory record Official record
Conditions
Cognition in Schizophrenia
Interventions
Atomoxetine, Placebo
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 60 Years
Enrollment
119 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2011
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Sep 24, 2020 · Synced Sep 6, 2026, 6:01 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Fish Oil and Alpha Lipoic Acid in Treating Alzheimer's Disease

NCT00090402
View directory record Official record
Conditions
Alzheimer's Disease, Oxidative Stress, Dementia, Hyperlipidemia, Inflammation
Interventions
Fish Oil, Lipoic Acid, Fish Oil Placebo, Lipoic Acid Placebo
Dietary Supplement · Other
Lead sponsor
Oregon Health and Science University
Other
Eligibility
55 Years and older
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jul 20, 2017 · Synced Sep 6, 2026, 6:01 PM EDT
Active, not recruiting Phase 1 Interventional

Study to Evaluate Safety, Tolerability and Efficacy of Oral E-B-FAHF-2 in Mild-to-Moderate Crohn's Disease

NCT03992469
View directory record Official record
Conditions
Crohn's Disease
Interventions
EBFAHF-2, Placebo
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years to 60 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 22, 2025 · Synced Sep 6, 2026, 6:01 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Nutraceutical Effects on Long-Term Memory

NCT01963767
View directory record Official record
Conditions
Aging
Interventions
NT-020, Placebo
Drug · Dietary Supplement
Lead sponsor
University of South Florida
Other
Eligibility
65 Years to 85 Years
Enrollment
139 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Jul 3, 2014 · Synced Sep 6, 2026, 6:01 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Reinforcing Effects of Cocaine During Phendimetrazine Maintenance

NCT02522325
View directory record Official record
Conditions
Cocaine Use Disorder
Interventions
Phendimetrazine, Cocaine, Placebo
Drug
Lead sponsor
William Stoops
Other
Eligibility
18 Years to 55 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Jul 1, 2019 · Synced Sep 6, 2026, 6:01 PM EDT
Completed Phase 2 Interventional

Pioglitazone as an Adjunct to Cognitive-Behavioral Therapy for Cocaine Relapse Prevention

NCT04843046
View directory record Official record
Conditions
Cocaine Use Disorder
Interventions
Cognitive Behavioral Therapy (CBT), Pioglitazone, Placebo
Behavioral · Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 65 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 31, 2026 · Synced Sep 6, 2026, 6:01 PM EDT
Completed Not applicable Interventional

L-theanine and Paraxanthine for Cognitive Improvement in Adults With ADHD and ASD

NCT07189442
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder (ADHD), Autism Spectrum Disorder (ASD)
Interventions
L-theanine and paraxanthine, Placebo
Dietary Supplement
Lead sponsor
Texas Tech University Health Sciences Center
Other
Eligibility
Male only
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated Aug 23, 2026 · Synced Sep 6, 2026, 6:01 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Prevention of Catheter-Associated Urinary Tract Infection in Incontinence and Reconstructive Pelvic Surgery Patients

NCT01108757
View directory record Official record
Conditions
Catheter-Associated Urinary Tract Infection
Interventions
Bactrim, Placebo
Drug · Other
Lead sponsor
The Cleveland Clinic
Other
Eligibility
21 Years and older · Female only
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 17, 2017 · Synced Sep 6, 2026, 6:01 PM EDT
Withdrawn Phase 1Phase 2 Interventional

Targeting Senescence to Reduce Osteoarthritis Pain and cartilagE Breakdown (ROPE)

NCT04770064
View directory record Official record
Conditions
Osteoarthritis, Knee
Interventions
High-dose/short-duration Fisetin, Low-dose/sustained-duration Fisetin, Oral placebo capsule
Drug · Other
Lead sponsor
Austin V Stone
Other
Eligibility
35 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
2
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Jul 28, 2022 · Synced Sep 6, 2026, 6:01 PM EDT
Completed Phase 2 Interventional Results available

Study to Demonstrate Cognitive Enhancing Effects of BF2.649

NCT00690274
View directory record Official record
Conditions
Schizophrenia
Interventions
BF2.649, Placebo
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 55 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
2
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Apr 22, 2019 · Synced Sep 6, 2026, 6:01 PM EDT
Completed Phase 2 Interventional Results available

Supporting the Health of Adults Undergoing Orthopedic Surgery During the Recovery Period

NCT00586196
View directory record Official record
Conditions
Delirium
Interventions
donepezil, Placebo
Drug
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
70 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 21, 2014 · Synced Sep 6, 2026, 6:01 PM EDT
Completed Phase 2 Interventional Results available

Role of the Orexin Receptor System in Stress, Sleep and Cocaine Use

NCT02785406
View directory record Official record
Conditions
Cocaine Use Disorder, Anxiety
Interventions
suvorexant, Placebo (for suvorexant)
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
19 Years to 55 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 10, 2019 · Synced Sep 6, 2026, 6:01 PM EDT
Terminated Phase 4 Interventional

Trial to Study the Effects of Supplementary Omega-3 on Serum C-Reactive Protein Levels

NCT00578578
View directory record Official record
Conditions
Coronary Artery Disease, Inflammatory Response, Atherosclerosis
Interventions
eicosapentaenoic acid (EPA),
Dietary Supplement
Lead sponsor
The Cleveland Clinic
Other
Eligibility
19 Years and older
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Willoughby Hills, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 20, 2007 · Synced Sep 6, 2026, 6:01 PM EDT
Completed Phase 2 Interventional

A Randomized, Placebo-Controlled Trial of Modafinil for Methamphetamine Dependence

NCT01354470
View directory record Official record
Conditions
Methamphetamine Dependence
Interventions
Modafinil
Drug
Lead sponsor
California Pacific Medical Center Research Institute
Other
Eligibility
18 Years to 50 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2011
U.S. locations
2
States / cities
Lafayette, California • San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jul 1, 2013 · Synced Sep 6, 2026, 6:01 PM EDT
Completed Early Phase 1 Interventional

Effects of Glucocorticoids on Cognition in HIV-infected Women

NCT03237689
View directory record Official record
Conditions
Hiv
Interventions
Hydrocortisone, Placebo Oral Tablet
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
136 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 28, 2023 · Synced Sep 6, 2026, 6:01 PM EDT