Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 2, 2026, 1:24 PM EDT

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Showing 1–24 of 211 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Cervical Dystonia
Interventions
Zinc citrate, Placebo
Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 89 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Amyotrophic Lateral Sclerosis
Interventions
Zinc and Copper
Drug
Lead sponsor
Phoenix Neurological Associates, LTD
Other
Eligibility
18 Years to 85 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Phoenix, Arizona
Completed Not applicable Interventional Accepts healthy volunteers

Molecular Breast Imaging in Women With Atypia and LCIS

NCT00620087
Conditions
Atypical Lobular Hyperplasia, Atypical Ductal Hyperplasia, Lobular Carcinoma in Situ
Interventions
Molecular Breast Imaging, Screening Mammography
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2015
U.S. locations
1
States / cities
Rochester, Minnesota
Completed Phase 2 Interventional Results available

Zinc to Treat Tinnitus in the Elderly

NCT00683644
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
Not listed Not applicable Interventional Accepts healthy volunteers

Maintaining Lower Levels of Care Through Automated Perineal Hygiene

NCT03051321
Conditions
Incontinence, Dermatitis
Interventions
Wellness toilet system
Device
Lead sponsor
SchwabCare
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
2
States / cities
Rancho Palos Verdes, California • Garfield Heights, Ohio
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
Conditions
Foot Ulcer, Diabetic
Interventions
Wound Dressing
Device
Lead sponsor
Solventum US LLC
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
6
States / cities
Montgomery, Alabama • Castro Valley, California • Bay Pines, Florida + 3 more
Conditions
HIV Infection, HIV Infections
Interventions
SB-728-T
Genetic
Lead sponsor
Sangamo Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
9
States / cities
Los Angeles, California • Newport Beach, California • San Francisco, California + 6 more
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
Conditions
Photoaging
Interventions
Topical Vehicle + Zinc Di-(dibutyryl lisinate), Topical Vehicle
Other
Lead sponsor
Integrative Skin Science and Research
Industry
Eligibility
40 Years to 60 Years · Female only
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Sacramento, California
Conditions
Wilson Disease
Interventions
Not listed
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
New Haven, Connecticut
Completed Not applicable Interventional Accepts healthy volunteers

Zinc Bioavailability From Amaranth-enriched Maize Tortillas

NCT02208609
Conditions
Nutritional Deficiency
Interventions
Day 1: Maize Tortillas with 20% Amaranth, Day 2 Maize Tortillas without 20% Amaranth
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Months to 36 Months
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Aurora, Colorado
Conditions
Fine Lines, Wrinkles, Photoaging
Interventions
Facial cleanser, Facial moisturizer, Sunscreen
Combination Product
Lead sponsor
Revision Skincare
Industry
Eligibility
35 Years to 60 Years · Female only
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Manhattan Beach, California
Conditions
COVID-19
Interventions
Sesderma LACTYFERRIN™ Forte and Sesderma ZINC Defense™, Placebo
Drug
Lead sponsor
Jose David Suarez, MD
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Miami, Florida
Terminated Phase 2 Interventional Results available

Development of A Novel Anti-Hyperglycemic Agent

NCT00878605
Conditions
Diabetes
Interventions
Cyclo-Z, Placebo
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
West Los Angeles, California
Conditions
Parenteral Nutrition, Necrotizing Enterocolitis, Digestive System Abnormalities, Cholestasis
Interventions
Remove Mn from PN if evidence of increased brain Mn on MRI
Dietary Supplement
Lead sponsor
Vanderbilt University
Other
Eligibility
30 Days to 6 Years
Enrollment
122 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2010
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Incontinence, Urinary, Dermatitis, Incontinence, Fecal
Interventions
Wellness toileting system
Device
Lead sponsor
SchwabCare
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Torrance, California
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
Completed Phase 2 Interventional Results available

Males, Antioxidants, and Infertility Trial

NCT02421887
Conditions
Male Infertility
Interventions
Antioxidant Supplement, Placebo
Drug · Other
Lead sponsor
Yale University
Other
Eligibility
18 Years and older · Male only
Enrollment
171 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
10
States / cities
Los Angeles, California • San Francisco, California • Sunnyvale, California + 7 more
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
Conditions
Coronary Artery Disease
Interventions
Half-dose isotope for NuclearStressTest
Other
Lead sponsor
S.M.Chang, MD
Other
Eligibility
18 Years to 90 Years
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Houston, Texas
Conditions
Breast Cancer
Interventions
Molecular Breast Imaging
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
25 Years and older · Female only
Enrollment
89 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Rochester, Minnesota
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
Conditions
Opioid Withdrawal, Opioid Use Disorder
Interventions
EmbracePlus Smartwatch, Corti Sensor
Device
Lead sponsor
Spark Biomedical, Inc.
Industry
Eligibility
18 Years to 50 Years
Enrollment
20 participants
Timeline
2025 – 2027
U.S. locations
2
States / cities
Center City, Minnesota • Columbus, Ohio