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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Selenium Clear all
Terminated Not applicable Interventional Accepts healthy volunteers

Effect of Selenium Intervention on Inflammation in Older Adults

NCT01289925
View directory record Official record
Conditions
Inflammation
Interventions
Selenium, Sugar Pill Placebo
Dietary Supplement · Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
70 Years to 110 Years
Enrollment
182 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2012
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 8, 2018 · Synced Sep 1, 2026, 10:18 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Prevention of Alzheimer's Disease by Vitamin E and Selenium (PREADVISE)

NCT00040378
View directory record Official record
Conditions
Alzheimer Disease
Interventions
alphatocopherol, Selenium, Placebo replacement for vitamin E, Placebo replacement for Selenium
Drug
Lead sponsor
Frederick Schmitt
Other
Eligibility
60 Years to 90 Years · Male only
Enrollment
4,246 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2016
U.S. locations
84
States / cities
Birmingham, Alabama • Anchorage, Alaska • Chula Vista, California + 70 more
Source: ClinicalTrials.gov public record
Updated Mar 13, 2018 · Synced Sep 1, 2026, 10:18 PM EDT
Completed Phase 1 Interventional

Burn Micronutrient Repletion Pilot Study

NCT00879723
View directory record Official record
Conditions
Burn
Interventions
Vitamin and Mineral supplementation
Dietary Supplement
Lead sponsor
Southern Illinois University
Other
Eligibility
19 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Springfield, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 25, 2015 · Synced Sep 1, 2026, 10:18 PM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Pilot Study: Impact of Biomarker-Guided Dietary Supplementation on Quality-of-Life Measures in Subjects With Chronic Pain

NCT06247813
View directory record Official record
Conditions
Chronic Pain
Interventions
Inflammation Support Formula, Nerve Health Formula, Redox Support Formula
Dietary Supplement
Lead sponsor
Ethos Research & Development
Industry
Eligibility
18 Years to 75 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Newport, Kentucky
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Sep 1, 2026, 10:18 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Relatively Healthy Male Veterans Observed Over Time to See What Types of Diseases Develop

NCT00076141
View directory record Official record
Conditions
Healthy
Interventions
Not listed
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
50 Years and older · Male only
Enrollment
991 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2021
U.S. locations
9
States / cities
Loma Linda, California • Hines, Illinois • Boston, Massachusetts + 6 more
Source: ClinicalTrials.gov public record
Updated Jan 31, 2021 · Synced Sep 1, 2026, 10:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Supplementary Vitamins on Oxidant Gene Expression in the Lungs of Healthy Smokers

NCT00565214
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease (COPD)
Interventions
Group 1, Group 2
Dietary Supplement
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 70 Years
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 24, 2017 · Synced Sep 1, 2026, 10:18 PM EDT
Completed Phase 1Phase 2 Interventional

Natural Antioxidants in the Treatment of Multiple Sclerosis

NCT00010842
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Ginkgo biloba, Alpha-lipoic acid, Vitamin E/Selenium, Essential fatty acids
Drug
Lead sponsor
National Center for Complementary and Integrative Health (NCCIH)
NIH
Eligibility
0 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2004
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Aug 17, 2006 · Synced Sep 1, 2026, 10:18 PM EDT
Completed Not applicable Interventional

Treating Oxidative Stress and the Metabolic Pathology of Autism

NCT00572741
View directory record Official record
Conditions
Autistic Disorder
Interventions
B12, Placebo, folate, B complex, vitamin C, cod liver oil, Mineral complex, carnitine
Dietary Supplement
Lead sponsor
Arkansas Children's Hospital Research Institute
Other
Eligibility
3 Years to 7 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2016
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated May 4, 2016 · Synced Sep 1, 2026, 10:18 PM EDT
Terminated Phase 2 Interventional Results available

Carboplatin, Paclitaxel, Selenomethionine, and Radiation Therapy in Treating Patients With Stage III Non-Small Cell Lung Cancer That Cannot Be Removed by Surgery

NCT00526890
View directory record Official record
Conditions
Lung Cancer
Interventions
selenomethionine, carboplatin, paclitaxel, laboratory biomarker analysis, radiation therapy
Dietary Supplement · Drug · Other + 1 more
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years to 120 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Nov 27, 2017 · Synced Sep 1, 2026, 10:18 PM EDT
Completed Not applicable Interventional

Effect of Transdermal Magnesium Chloride on Quality of Life in Patients With Fibromyalgia

NCT01968772
View directory record Official record
Conditions
Fibromyalgia, Fibromyalgia Syndrome
Interventions
Transdermal Magnesium Chloride
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
40 Years to 70 Years · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 23, 2014 · Synced Sep 1, 2026, 10:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Study to Evaluate the Efficacy and Safety of Clear Skin Formula on Mitigating Mild to Moderate Non-cystic Acne

NCT05879406
View directory record Official record
Conditions
Non-Cystic Acne
Interventions
VitaMedica® Clear Skin Formula capsules, Placebo Capsules
Dietary Supplement · Other
Lead sponsor
Ablon Skin Institute Research Center
Other
Eligibility
18 Years to 40 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Manhattan Beach, California
Source: ClinicalTrials.gov public record
Updated Apr 5, 2025 · Synced Sep 1, 2026, 10:18 PM EDT
Completed Not applicable Interventional

Effect of Selenium Supplementation on Trace Mineral Antioxidant Enzyme and Amino Acid Metabolism in Infants

NCT02066610
View directory record Official record
Conditions
Preterm Infants
Interventions
selenium and sodium selenate supplementation, selenium and sodium selenite supplementation, Without selenium and sodium selenate supplementation, Without selenium and sodium selenite supplementation
Other
Lead sponsor
Abbott Nutrition
Industry
Eligibility
Not listed
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1991 – 1993
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Feb 18, 2014 · Synced Sep 1, 2026, 10:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Combinatorial Nutritional Supplementation on Immune Function in Healthy Older Adults

NCT02876315
View directory record Official record
Conditions
Vitamin D Deficiency
Interventions
Redoxon VI, placebo
Dietary Supplement
Lead sponsor
Oregon State University
Other
Eligibility
55 Years to 75 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Corvallis, Oregon
Source: ClinicalTrials.gov public record
Updated Nov 30, 2022 · Synced Sep 1, 2026, 10:18 PM EDT
Completed Phase 1Phase 2 Interventional Results available

SLM + Axitinib for Clear Cell RCC

NCT02535533
View directory record Official record
Conditions
Advanced Metastatic Clear Cell Renal Cell Carcinoma (CCRCC)
Interventions
Selenomethionine (SLM), Axitinib
Drug
Lead sponsor
Mohammed Milhem
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2025
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Sep 1, 2026, 10:18 PM EDT
Terminated Phase 1 Interventional

Selenium in the Treatment of Complicated Lymphatic Malformations

NCT01212965
View directory record Official record
Conditions
Lymphatic Malformations
Interventions
Selenium
Drug
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
14 Years to 30 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Apr 22, 2013 · Synced Sep 1, 2026, 10:18 PM EDT
Completed Phase 1 Interventional

Irinotecan and Selenium in Treating Patients With Advanced Solid Tumors

NCT00112892
View directory record Official record
Conditions
Unspecified Adult Solid Tumor, Protocol Specific
Interventions
selenium, irinotecan hydrochloride
Dietary Supplement · Drug
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Jan 12, 2014 · Synced Sep 1, 2026, 10:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Influence of Selenium on Prostate Cancer Related Biomarkers

NCT01112449
View directory record Official record
Conditions
Effect of Selenium on Oxidative Stress in Healthy Men
Interventions
Placebo, selenomethionine, low dose selenized-yeast, high dose selenized-yeast
Other · Dietary Supplement
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
20 Years to 79 Years · Male only
Enrollment
130 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2014
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 9, 2015 · Synced Sep 1, 2026, 10:18 PM EDT
Completed Phase 3 Interventional Results available

Selenium in Preventing Tumor Growth in Patients With Previously Resected Stage I Non-small Cell Lung Cancer

NCT00008385
View directory record Official record
Conditions
Lung Cancer
Interventions
placebo, selenium
Other · Drug
Lead sponsor
ECOG-ACRIN Cancer Research Group
Network
Eligibility
18 Years and older
Enrollment
1,772 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2019
U.S. locations
515
States / cities
Mobile, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 339 more
Source: ClinicalTrials.gov public record
Updated Jul 4, 2023 · Synced Sep 1, 2026, 10:18 PM EDT
Completed Phase 2 Interventional Results available

Effects of an Antioxidant-Enriched Multivitamin Supplement on Inflammation and Oxidative Stress in Cystic Fibrosis

NCT01859390
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
AquADEKs-2, control multivitamin
Drug · Dietary Supplement
Lead sponsor
University of Colorado, Denver
Other
Eligibility
10 Years and older
Enrollment
73 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
15
States / cities
Tucson, Arizona • Aurora, Colorado • Orlando, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Jul 13, 2017 · Synced Sep 1, 2026, 10:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Selenium Supplementation of Patients With Cirrhosis

NCT00212186
View directory record Official record
Conditions
Healthy, Liver Cirrhosis
Interventions
Selenium Supplements (essential nutrient)
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1998 – 2003
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 6, 2012 · Synced Sep 1, 2026, 10:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Clinical Trial to Evaluate the Effects of a Supplement on Symptoms Associated With Hormone Imbalance

NCT07765381
View directory record Official record
Conditions
Hormone Imbalance, Thyroid Hormone Imbalance, Low Energy, Metabolic Symptoms, Unhealthy Eating Habits
Interventions
Hello Burn, Balance Supplement
Dietary Supplement
Lead sponsor
Love Wellness
Industry
Eligibility
25 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Sep 1, 2026, 10:18 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Fat Malabsorption in Chronic Pancreatitis

NCT02849704
View directory record Official record
Conditions
Chronic Pancreatitis
Interventions
Creon36™
Drug
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
30 Years to 70 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 2, 2019 · Synced Sep 1, 2026, 10:18 PM EDT
Completed Phase 1 Interventional

Selenium in Treating Patients Who Are Undergoing Brachytherapy for Stage I or Stage II Prostate Cancer

NCT00217516
View directory record Official record
Conditions
Prostate Cancer
Interventions
selenium, placebo
Drug · Other
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
Male only
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Feb 8, 2012 · Synced Sep 1, 2026, 10:18 PM EDT
Terminated Phase 2 Interventional Results available

Capecitabine, Oxaliplatin, Selenomethionine, and Radiation Therapy in Treating Patients Undergoing Surgery For Newly Diagnosed Stage II or III Rectal Adenocarcinoma

NCT00625183
View directory record Official record
Conditions
Colorectal Cancer
Interventions
selenomethionine, capecitabine, oxaliplatin, laboratory biomarker analysis, pharmacological study, adjuvant therapy, neoadjuvant therapy, therapeutic conventional surgery, radiation therapy
Dietary Supplement · Drug · Other + 2 more
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years to 75 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Nov 16, 2017 · Synced Sep 1, 2026, 10:18 PM EDT