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Showing 25–44 of 20 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Zinc Supplementation Clear all
Not listed Not applicable Interventional

Immunonutrition in Ulcerative Colitis

NCT03594708
View directory record Official record
Conditions
Ulcerative Colitis
Interventions
Nutrition supplement, Placebo supplement
Dietary Supplement
Lead sponsor
Baptist Memorial Health Care Corporation
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 19, 2018 · Synced Sep 25, 2026, 1:36 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Safety Evaluation of a Diet and Nutritional Supplementation Program- Purify 2.0

NCT03685552
View directory record Official record
Conditions
Gastrointestinal Symptoms
Interventions
Prog: Purify-2
Other
Lead sponsor
Nature's Sunshine Products, Inc.
Industry
Eligibility
18 Years to 69 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Lehi, Utah
Source: ClinicalTrials.gov public record
Updated Sep 25, 2018 · Synced Sep 25, 2026, 1:36 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Safety and Dose Escalation Study of Zinc Supplementation in Critically Ill Children

NCT01062009
View directory record Official record
Conditions
Critical Illness
Interventions
Zinc sulfate
Drug
Lead sponsor
UCSF Benioff Children's Hospital Oakland
Other
Eligibility
30 Days to 10 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Aug 19, 2019 · Synced Sep 25, 2026, 1:36 PM EDT
Completed Phase 2 Interventional Results available

Trial of Anakinra (Plus Zinc) or Prednisone in Patients With Severe Alcoholic Hepatitis

NCT04072822
View directory record Official record
Conditions
Alcoholic Hepatitis
Interventions
Anakinra and Zinc, Prednisone, Placebos
Drug
Lead sponsor
Indiana University
Other
Eligibility
21 Years and older
Enrollment
147 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
10
States / cities
Phoenix, Arizona • Jacksonville, Florida • Indianapolis, Indiana + 7 more
Source: ClinicalTrials.gov public record
Updated Feb 9, 2025 · Synced Sep 25, 2026, 1:36 PM EDT
Terminated Phase 2 Interventional Results available

Zinc and Green Tea Extract for Community Respiratory Viral Infections

NCT04898023
View directory record Official record
Conditions
Respiratory Viral Infection
Interventions
zinc-green tea extract-ascorbic acid, Placebo
Drug
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 6, 2025 · Synced Sep 25, 2026, 1:36 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Community Trial of Zinc Supplementation on Preschool Child Mortality and Morbidity in Southern Nepal

NCT00109551
View directory record Official record
Conditions
Nutrition
Interventions
zinc sulphate dietary supplement, iron sulphate-folic acid dietary supplement
Drug
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
1 Month to 36 Months
Enrollment
58,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2006
U.S. locations
2
States / cities
Baltimore, Maryland • Ithaca, New York
Source: ClinicalTrials.gov public record
Updated Apr 30, 2013 · Synced Sep 25, 2026, 1:36 PM EDT
Completed Not applicable Interventional

Effects on Quality of Life With Zinc Supplementation in Patients With Gastrointestinal Cancer

NCT03819088
View directory record Official record
Conditions
Gastric Carcinoma, Liver and Intrahepatic Bile Duct Carcinoma, Unresectable Esophageal Carcinoma, Unresectable Pancreatic Carcinoma
Interventions
Zinc
Dietary Supplement
Lead sponsor
Emory University
Other
Eligibility
Not listed
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
2
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Oct 8, 2025 · Synced Sep 25, 2026, 1:36 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers Results available

Evaluation and Treatment of Copper/Zinc Imbalance in Children With Autism

NCT00325572
View directory record Official record
Conditions
Autism, Pervasive Developmental Disorder
Interventions
oral zinc and vitamin C supplements, oral Placebo
Drug · Other
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
3 Years to 8 Years
Enrollment
89 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2011
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 16, 2019 · Synced Sep 25, 2026, 1:36 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Zinc Supplementation in Alcoholic Cirrhosis

NCT02072746
View directory record Official record
Conditions
Alcoholic Cirrhosis
Interventions
Zinc, Placebo
Dietary Supplement
Lead sponsor
University of Louisville
Other
Eligibility
18 Years to 75 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2019
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Mar 21, 2021 · Synced Sep 25, 2026, 1:36 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Zinc Versus Multivitamin Micronutrient Supplementation in the Setting of COVID-19

NCT04551339
View directory record Official record
Conditions
Healthy, Health Care Worker Patient Transmission, Aging
Interventions
PreserVision AREDS formulation soft gels or tablets, Multivitamin with 11mg of zinc
Dietary Supplement
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 90 Years
Enrollment
2,700 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
3
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 9, 2021 · Synced Sep 25, 2026, 1:36 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers

Zinc Supplementation to Reduce Diarrhea Rates in Adults in Western Kenya.

NCT01166815
View directory record Official record
Conditions
Diarrhea, Malaria
Interventions
Zinc sulphate, Placebo
Dietary Supplement · Other
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
18 Years to 55 Years
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
2
States / cities
Natick, Massachusetts • Grand Forks, North Dakota
Source: ClinicalTrials.gov public record
Updated Jul 21, 2010 · Synced Sep 25, 2026, 1:36 PM EDT
Completed Phase 1 Interventional Results available

The Impact of Zinc Supplementation on Left Ventricular Function in Nonischemic Cardiomyopathy

NCT00696410
View directory record Official record
Conditions
Heart Failure, Cardiomyopathies
Interventions
Zinc Acetate
Drug
Lead sponsor
University of Michigan
Other
Eligibility
21 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Nov 5, 2017 · Synced Sep 25, 2026, 1:36 PM EDT
Completed Not applicable Interventional

Coronavirus 2019 (COVID-19)- Using Ascorbic Acid and Zinc Supplementation

NCT04342728
View directory record Official record
Conditions
COVID, Corona Virus Infection
Interventions
Ascorbic Acid, Zinc Gluconate, Ascorbic Acid and Zinc Gluconate, Standard of Care
Dietary Supplement · Other
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
214 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
2
States / cities
Weston, Florida • Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 15, 2021 · Synced Sep 25, 2026, 1:36 PM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Thinking Zinc: a Study of Zinc Supplements on the Navajo Nation

NCT03908736
View directory record Official record
Conditions
DNA Damage, Immune System Disorder
Interventions
Zinc Picolinate 15 Mg
Drug
Lead sponsor
University of New Mexico
Other
Eligibility
21 Years to 64 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2027
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Sep 25, 2026, 1:36 PM EDT
Completed Not applicable Interventional

Effect of Omega-3-fatty Acids on Blood Levels Omega-3 Fatty Acids in Patients With Age-related Macular Degeneration

NCT01653184
View directory record Official record
Conditions
Macular Degeneration
Interventions
Omega-3 fatty acid
Dietary Supplement
Lead sponsor
Wills Eye
Other
Eligibility
55 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
4
States / cities
Cherry Hill, New Jersey • Bethlehem, Pennsylvania • Huntingdon Valley, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 11, 2016 · Synced Sep 25, 2026, 1:36 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 25, 2026, 1:36 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Zinc Homeostasis and Kinetics in Children With Cystic Fibrosis (CF)

NCT00104494
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Zinc acetate (20mg/d)
Drug
Lead sponsor
Cystic Fibrosis Foundation
Other
Eligibility
8 Years to 14 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2007
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 29, 2015 · Synced Sep 25, 2026, 1:36 PM EDT
Completed Not applicable Interventional Results available

Trial of Glutamine and Antioxidant Supplementation in Critically Ill Patients

NCT00133978
View directory record Official record
Conditions
Critical Illness, Sepsis, Multiple Organ Failure
Interventions
Glutamine, Antioxidants, Glutamine + Antioxidants, Placebo
Other
Lead sponsor
Daren K. Heyland
Other
Eligibility
18 Years and older
Enrollment
1,223 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2012
U.S. locations
5
States / cities
Aurora, Colorado • Louisville, Kentucky • Dayton, Ohio + 2 more
Source: ClinicalTrials.gov public record
Updated Jan 6, 2021 · Synced Sep 25, 2026, 1:36 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Zinc Supplement Before or With Food in Generally Healthy Men

NCT03619421
View directory record Official record
Conditions
Zinc Deficiency, Dyslipidemias, Zinc Excess, Inflammation
Interventions
Zinc supplement
Dietary Supplement
Lead sponsor
UCSF Benioff Children's Hospital Oakland
Other
Eligibility
18 Years to 50 Years · Male only
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Apr 30, 2019 · Synced Sep 25, 2026, 1:36 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 25, 2026, 1:36 PM EDT