Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Jul 20, 2026, 1:09 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Zinc Deficiency Clear all
Completed Phase 1Phase 2 Interventional Results available

Repeat Doses of SB-728mR-T After Cyclophosphamide Conditioning in HIV-Infected Subjects on HAART

NCT02225665
View directory record Official record
Conditions
Human Immunodeficiency Virus (HIV)
Interventions
SB-728mR-T, Cyclophosphamide
Genetic · Drug
Lead sponsor
Sangamo Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
5
States / cities
San Francisco, California • Norwalk, Connecticut • Orlando, Florida + 2 more
Source: ClinicalTrials.gov public record
Updated Mar 18, 2021 · Synced Jul 20, 2026, 1:09 AM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers

Zinc Intervention in Elderly for Prevention of Pneumonia

NCT05527899
View directory record Official record
Conditions
Zinc Deficiency
Interventions
Zinc gluconate
Drug
Lead sponsor
Tufts University
Other
Eligibility
65 Years and older
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 29, 2024 · Synced Jul 20, 2026, 1:09 AM EDT
Completed Phase 1Phase 2 Interventional

Study of Autologous T-cells Genetically Modified at the CCR5 Gene by Zinc Finger Nucleases in HIV-Infected Subjects

NCT01252641
View directory record Official record
Conditions
HIV, HIV Infection
Interventions
SB-728-T
Biological
Lead sponsor
Sangamo Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
4
States / cities
Los Angeles, California • Newport Beach, California • San Francisco, California + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 19, 2019 · Synced Jul 20, 2026, 1:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Absorption of Zinc (Zn) From Zn-biofortified and Zn-fortified Maize in Young Zambian Children Between 24-36 Months

NCT02208635
View directory record Official record
Conditions
Nutritional Deficiency
Interventions
Biofortified Maize, Fortified Maize, Control Maize
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
24 Months to 36 Months
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 27, 2016 · Synced Jul 20, 2026, 1:09 AM EDT
Completed Early Phase 1 Interventional Results available

Zinc Effect on Inflammation and Cardiovascular Risk in HIV

NCT05085834
View directory record Official record
Conditions
Inflammation, Cardiovascular Diseases, Zinc Deficiency
Interventions
Zinc Gluconate, Placebo
Drug
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
18 Years and older
Enrollment
95 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 11, 2025 · Synced Jul 20, 2026, 1:09 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Zinc and the Synthesis of Zinc Binding Proteins (Protocol B)

NCT01221129
View directory record Official record
Conditions
Zinc Deficiency
Interventions
Acclimation, Dietary zinc depletion, Dietary zinc repletion
Other
Lead sponsor
University of Florida
Other
Eligibility
21 Years to 35 Years · Male only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Sep 19, 2011 · Synced Jul 20, 2026, 1:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Nutrition, Vision, and Cognition in Sport Study: Beef

NCT04427852
View directory record Official record
Conditions
Cognitive Change, Nutrient Deficiency, Nutritional Anemia, Visual Spatial Processing, Diet, Healthy, Diet; Deficiency, Dietary Deficiency, Dietary B12 Deficiency, Dietary Zinc Deficiency, Dietary Vitamin B12 Deficiency Anemia, Dietary Deficiency of Selenium and Vitamin E
Interventions
30 day Daily consumption of 1 serving of beef, 30 day Daily consumption of 1 serving of the vegatable protein source
Dietary Supplement
Lead sponsor
Texas A&M University
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
College Station, Texas
Source: ClinicalTrials.gov public record
Updated Sep 28, 2025 · Synced Jul 20, 2026, 1:09 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 Jul 20, 2026, 1:09 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Evaluating the Safety and Pharmacokinetics of PC-1005 Administered Rectally to HIV-1 Seronegative Adults

NCT03408899
View directory record Official record
Conditions
HIV Infections
Interventions
PC-1005 gel
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
2
States / cities
Birmingham, Alabama • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 13, 2023 · Synced Jul 20, 2026, 1:09 AM EDT
Active, not recruiting Phase 1 Interventional

CD4 CAR+ ZFN-modified T Cells in HIV Therapy

NCT03617198
View directory record Official record
Conditions
Hiv
Interventions
CD4 CAR+CCR5 ZFN T-cells
Biological
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 4, 2025 · Synced Jul 20, 2026, 1:09 AM 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 Jul 20, 2026, 1:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Zinc Bioavailability From Amaranth-enriched Maize Tortillas

NCT02208609
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 28, 2016 · Synced Jul 20, 2026, 1:09 AM EDT
Completed Phase 1 Interventional

A Phase I Study of T-Cells Genetically Modified at the CCR5 Gene by Zinc Finger Nucleases SB-728mR in HIV-Infected Patients

NCT02388594
View directory record Official record
Conditions
Human Immunodeficiency Virus (HIV)
Interventions
ZFN Modified CD4+ T Cells, Cyclophosphamide
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 9, 2019 · Synced Jul 20, 2026, 1:09 AM EDT
Active, not recruiting Phase 1 Interventional

Safety Study of Zinc Finger Nuclease CCR5-modified Hematopoietic Stem/Progenitor Cells in HIV-1 Infected Patients

NCT02500849
View directory record Official record
Conditions
HIV
Interventions
SB-728mR-HSPC Infusion 3 days following busulfan conditioning
Genetic
Lead sponsor
City of Hope Medical Center
Other
Eligibility
18 Years to 75 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2026
U.S. locations
5
States / cities
Duarte, California • Los Angeles, California • San Francisco, California + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 8, 2025 · Synced Jul 20, 2026, 1:09 AM EDT
Completed Phase 1 Interventional

Autologous T-Cells Genetically Modified at the CCR5 Gene by Zinc Finger Nucleases SB-728 for HIV

NCT00842634
View directory record Official record
Conditions
HIV, HIV Infections
Interventions
ZFN modified T cells, Structured Treatment Interruption
Biological · Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
2
States / cities
The Bronx, New York • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 7, 2019 · Synced Jul 20, 2026, 1:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Bioavailability of Zinc and Iron From a Whey-based Protein Supplement Consumed With a Habitual Plant-based Diet

NCT02208622
View directory record Official record
Conditions
Nutritional Deficiency
Interventions
Study 1: Whey Supplement Day 1, Study 1: Whey Supplement Day 2, Study 2: Whey Supplement
Dietary Supplement
Lead sponsor
University of Colorado, Denver
Other
Eligibility
2 Years to 3 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 4, 2019 · Synced Jul 20, 2026, 1:09 AM EDT
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 Jul 20, 2026, 1:09 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Daily Beef Intake, as a Component of a Heart-Healthy Diet on Cellular Zinc

NCT05236374
View directory record Official record
Conditions
Zinc Deficiency, Inflammation, Metabolic Diseases, Vascular Diseases
Interventions
Beef protein
Other
Lead sponsor
University of California, Davis
Other
Eligibility
55 Years to 70 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Feb 8, 2026 · Synced Jul 20, 2026, 1:09 AM EDT
Completed Phase 1Phase 2 Interventional

CCR5-modified CD4+ T Cells for HIV Infection

NCT03666871
View directory record Official record
Conditions
HIV Infections
Interventions
SB-728-T, Expanded unmodified autologous CD4+ T cells
Biological
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years to 70 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated May 20, 2024 · Synced Jul 20, 2026, 1:09 AM EDT
Completed Phase 1 Interventional

Phase 1 Dose Escalation Study of Autologous T-cells Genetically Modified at the CCR5 Gene by Zinc Finger Nucleases in HIV-Infected Patients

NCT01044654
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 12, 2015 · Synced Jul 20, 2026, 1:09 AM 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 Jul 20, 2026, 1:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

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

NCT02758444
View directory record Official record
Conditions
Environmental Enteric Dysfunction, Zinc Deficiency
Interventions
Micronutrient Powder (MNP) + 15 mg Zn, MNP + 10 mg Zn, MNP + 5 mg Zn, MNP without Zn
Dietary Supplement
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Months to 24 Months
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 4, 2019 · Synced Jul 20, 2026, 1:09 AM EDT
Completed Not applicable Interventional

Zinc Therapy in HIV Infected Individuals Who Abuse Drugs

NCT00149552
View directory record Official record
Conditions
HIV Infections, Substance-Related Disorders
Interventions
zinc
Dietary Supplement
Lead sponsor
Florida International University
Other
Eligibility
18 Years and older
Enrollment
231 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2007
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Mar 4, 2012 · Synced Jul 20, 2026, 1:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Zinc and Iron Bioavailability From Biofortified Pearl Millet

NCT01783067
View directory record Official record
Conditions
Nutritional Deficiency
Interventions
Pearl millet, Biofortified pearl millet
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Months to 36 Months
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 27, 2016 · Synced Jul 20, 2026, 1:09 AM EDT