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Showing 1–24 of 31 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: zinc sulfate Clear all
Completed No phase listed Observational Accepts healthy volunteers

Effects of EED on Zn Absorption and Retention in Children From a Standard Dose

NCT02760095
View directory record Official record
Conditions
Environmental Enteric Dysfunction, Zinc Deficiency, Vitamin A Deficiency
Interventions
3 mg zinc sulfate supplement, 0.5 mg of 13C10-retinyl-acetate
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Months to 24 Months
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 30, 2019 · Synced Sep 2, 2026, 5:41 AM EDT
Completed Phase 4 Interventional

Hydroxychloroquine and Zinc With Either Azithromycin or Doxycycline for Treatment of COVID-19 in Outpatient Setting

NCT04370782
View directory record Official record
Conditions
COVID-19
Interventions
Hydroxychloroquine, Azithromycin, Zinc Sulfate, Doxycycline
Drug
Lead sponsor
St. Francis Hospital, New York
Other
Eligibility
30 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Roslyn, New York
Source: ClinicalTrials.gov public record
Updated Dec 8, 2020 · Synced Sep 2, 2026, 5:41 AM 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 2, 2026, 5:41 AM 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 2, 2026, 5:41 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Zinc Therapy in Critical Illness

NCT01162109
View directory record Official record
Conditions
Severe Sepsis
Interventions
Zinc sulfate
Dietary Supplement
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2025
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated May 31, 2026 · Synced Sep 2, 2026, 5:41 AM EDT
Completed Phase 2 Interventional Results available

Zinc to Treat Tinnitus in the Elderly

NCT00683644
View directory record Official record
Conditions
Tinnitus
Interventions
Zinc, Placebo oral capsule
Drug
Lead sponsor
University of Iowa
Other
Eligibility
60 Years and older
Enrollment
116 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Dec 12, 2017 · Synced Sep 2, 2026, 5:41 AM EDT
Completed Phase 4 Interventional

Placebo Controlled Trial to Evaluate Zinc for the Treatment of COVID-19 in the Outpatient Setting

NCT04621461
View directory record Official record
Conditions
Corona Virus Infection
Interventions
Zinc Sulfate 220 MG, Placebo
Dietary Supplement · Drug
Lead sponsor
St. Francis Hospital, New York
Other
Eligibility
30 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Roslyn, New York
Source: ClinicalTrials.gov public record
Updated Feb 10, 2021 · Synced Sep 2, 2026, 5:41 AM EDT
Completed Not applicable Interventional Results available

Feasibility and Effectiveness of Micronutrients as Palliative Care Therapy in Patients With Congestive Heart Failure

NCT01474486
View directory record Official record
Conditions
Congestive Heart Failure, Ischemic Cardiomyopathy
Interventions
Micronutrients
Drug
Lead sponsor
Phoenix VA Health Care System
Federal
Eligibility
18 Years to 89 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Jun 9, 2021 · Synced Sep 2, 2026, 5:41 AM 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 2, 2026, 5:41 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Clearance of Nasal Staphylococcus Aureus With Triple Antibiotic Ointment

NCT00997139
View directory record Official record
Conditions
Nasal Carriers of Staphylococcus Aureus
Interventions
Neosporin (polymyxin B 5,000units, bacitracin 400 units, neomycin 3.5mg)
Drug
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
216 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 4, 2015 · Synced Sep 2, 2026, 5:41 AM EDT
Completed Not applicable Interventional Results available

Oral Zinc for the Treatment of Acute Diarrhea in US Children

NCT01198587
View directory record Official record
Conditions
Diarrhea, Gastroenteritis
Interventions
Zinc Sulfate, Placebo oral capsule
Drug
Lead sponsor
Boston Children's Hospital
Other
Eligibility
6 Months to 6 Years
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 21, 2018 · Synced Sep 2, 2026, 5:41 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

An Evaluation of Zinc Status Biomarkers

NCT02861352
View directory record Official record
Conditions
Inflammation, Oxidative Stress
Interventions
Diet zinc
Other
Lead sponsor
UCSF Benioff Children's Hospital Oakland
Other
Eligibility
18 Years to 50 Years · Male only
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Nov 23, 2020 · Synced Sep 2, 2026, 5:41 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Zinc Sulfate in the Treatment of Rosacea: A Randomized, Controlled Trial

NCT00395226
View directory record Official record
Conditions
Rosacea
Interventions
zinc sulfate, placebo
Drug
Lead sponsor
Essentia Health
Other
Eligibility
18 Years and older
Enrollment
65 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Duluth, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 29, 2011 · Synced Sep 2, 2026, 5:41 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Zinc and Diabetes in Patients With Thalassemia: a Pilot Study

NCT01772680
View directory record Official record
Conditions
Thalassemia
Interventions
Zinc Supplementation
Dietary Supplement
Lead sponsor
UCSF Benioff Children's Hospital Oakland
Other
Eligibility
12 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Nov 23, 2020 · Synced Sep 2, 2026, 5:41 AM EDT
Completed Not applicable Interventional

A Clinical Trial to Evaluate the Effects of a Plant-Based Liquid Supplement on Metabolic Health and Overall Well-Being

NCT07673432
View directory record Official record
Conditions
Metabolic Health, Elevated Liver Enzymes, Digestive Symptoms
Interventions
Plant-Based Liquid Supplement
Dietary Supplement
Lead sponsor
Biocol Labs
Industry
Eligibility
40 Years to 60 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Jun 28, 2026 · Synced Sep 2, 2026, 5:41 AM 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 2, 2026, 5:41 AM EDT
Completed Not applicable Interventional Results available

Examination of Zinc, S-adenosylmethionine, and Combination Therapy Versus Placebo in Alcoholics

NCT01899521
View directory record Official record
Conditions
Alcoholism
Interventions
Bronchoscopy, Zinc sulfate 220 mg once daily, S-adenosylmethionine 400 mg twice daily
Procedure · Dietary Supplement
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 60 Years
Enrollment
113 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Decatur, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Sep 2, 2026, 5:41 AM EDT
Completed Not applicable Interventional

Zinc Lozenges and Their Effect on Postoperative Sore Throat Syndrome

NCT02405832
View directory record Official record
Conditions
Sore Throat, Post-Operative Sore Throat
Interventions
Zinc, Placebo
Dietary Supplement
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Aug 9, 2018 · Synced Sep 2, 2026, 5:41 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Nutrigenomics of Zinc Supplementation in Insulin Secretion and Diabetes

NCT00981448
View directory record Official record
Conditions
Diabetes
Interventions
Zinc acetate
Dietary Supplement
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
21 Years to 70 Years
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Lancaster, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 19, 2022 · Synced Sep 2, 2026, 5:41 AM 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 2, 2026, 5:41 AM EDT
Completed Phase 1 Interventional

Trial of Combination Therapy to Treat COVID-19 Infection

NCT04482686
View directory record Official record
Conditions
COVID, Covid-19, Corona Virus Infection, Coronavirus Infection, Coronavirus-19, SARS-CoV2, SARS-CoV Infection
Interventions
Ivermectin, Doxycycline Hcl, Zinc, Vitamin D3, Vitamin C
Drug · Dietary Supplement
Lead sponsor
ProgenaBiome
Other
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Ventura, California
Source: ClinicalTrials.gov public record
Updated Sep 23, 2024 · Synced Sep 2, 2026, 5:41 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Topical Antibacterial Agents for Prevention of COVID-19

NCT05449392
View directory record Official record
Conditions
COVID-19, SARS-CoV2 Infection
Interventions
Neosporin, Vaseline
Drug · Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 60 Years
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Oct 2, 2023 · Synced Sep 2, 2026, 5:41 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

2021 PMT iAge® Intervention Trial by Edifice Health

NCT04983017
View directory record Official record
Conditions
Chronic Inflammation, Inflammaging
Interventions
Dietary supplement, Placebo
Dietary Supplement · Other
Lead sponsor
Edifice Health
Industry
Eligibility
18 Years and older
Enrollment
781 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
2
States / cities
Greenbrae, California • Suwanee, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Sep 2, 2026, 5:41 AM EDT
Completed Phase 4 Interventional

Effects of Glucosamine and Chondroitin Supplementation in Women With Knee Osteoarthritis Participating in an Exercise and Weight Loss Program

NCT01271218
View directory record Official record
Conditions
Knee Osteoarthritis
Interventions
Diet, Exercise
Other
Lead sponsor
Texas A&M University
Other
Eligibility
18 Years to 70 Years · Female only
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
1
States / cities
College Station, Texas
Source: ClinicalTrials.gov public record
Updated Jan 5, 2011 · Synced Sep 2, 2026, 5:41 AM EDT