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 Sep 22, 2026, 1:48 PM EDT

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

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: Iron Supplement Clear all
Completed Phase 3 Interventional Results available

Ferric Carboxymaltose (FCM) Assessment in Subjects With Iron Deficiency Anaemia and Non-dialysis-dependent Chronic Kidney Disease (NDD-CKD)

NCT00994318
View directory record Official record
Conditions
Iron Deficiency Anaemia, Chronic Kidney Disease
Interventions
FCM (Ferric carboxymaltose) high ferritin target, FCM (Ferric carboxymaltose) low ferritin target, Oral Iron (Ferrous sulphate)
Drug
Lead sponsor
Vifor Pharma
Industry
Eligibility
18 Years and older
Enrollment
626 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Wilmington, North Carolina
Source: ClinicalTrials.gov public record
Updated May 19, 2014 · Synced Sep 22, 2026, 1:48 PM EDT
Completed Phase 3 Interventional Results available

Oral Iron Versus Oral Iron Plus a Web-based Behavioral Intervention in Young Children (IRONCHILD)

NCT04371536
View directory record Official record
Conditions
Iron Deficiency Anemia, Iron-deficiency
Interventions
Ferrous Sulfate, IRONCHILD
Drug · Behavioral
Lead sponsor
Baylor College of Medicine
Other
Eligibility
12 Months to 48 Months
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 5, 2023 · Synced Sep 22, 2026, 1:48 PM EDT
Terminated Phase 4 Interventional

Study of the Efficacy and Safety of Ferrlecit in the Maintenance Dosing in Hemodialysis Patients.

NCT00223938
View directory record Official record
Conditions
Anemia
Interventions
Oral Iron, sodium ferric gluconate
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years and older
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2007
U.S. locations
8
States / cities
Hot Springs, Arkansas • Orange County, California • Simi Valley, California + 5 more
Source: ClinicalTrials.gov public record
Updated Jun 23, 2021 · Synced Sep 22, 2026, 1:48 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Evaluating Heart & Soil's Lifeblood on Iron and Energy Levels

NCT07293117
View directory record Official record
Conditions
Energy
Interventions
Heart & Soil Lifeblood
Dietary Supplement
Lead sponsor
Efforia, Inc
Industry
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 25, 2025 · Synced Sep 22, 2026, 1:48 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Enhancing Treatment of Iron Deficiency and Iron Deficiency Anemia With an Antioxidant, Vitamin E

NCT01700426
View directory record Official record
Conditions
Iron Deficiency, Iron Deficiency Anemia
Interventions
Vitamin E, Placebo
Drug · Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
9 Months to 2 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 26, 2014 · Synced Sep 22, 2026, 1:48 PM EDT
Terminated Phase 4 Interventional Results available

Daily Versus Alternate Day Iron Supplementation for the Treatment of Iron Deficiency Anemia in Pregnancy

NCT04594070
View directory record Official record
Conditions
Pregnancy Related, Iron Deficiency Anemia of Pregnancy
Interventions
Ferrous sulfate
Drug
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 23, 2024 · Synced Sep 22, 2026, 1:48 PM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers

IV Iron vs Oral Iron for Treatment of Anemia in Women With Abnormal Uterine Bleeding

NCT04205266
View directory record Official record
Conditions
Anemia, Iron Deficiency, Heavy Menstrual Bleeding
Interventions
Ferumoxytol, Ferrous Sulfate
Drug
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
76 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 20, 2023 · Synced Sep 22, 2026, 1:48 PM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of Intravenous Ferric Carboxymaltose (FCM) in Patients With Iron Deficiency Anemia (IDA)

NCT00982007
View directory record Official record
Conditions
Iron Deficiency Anemia
Interventions
Ferric Carboxymaltose (FCM), Ferrous Sulfate Tablets, IV Iron (standard of care)
Drug
Lead sponsor
American Regent, Inc.
Industry
Eligibility
18 Years and older
Enrollment
997 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Norristown, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 19, 2018 · Synced Sep 22, 2026, 1:48 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 22, 2026, 1:48 PM EDT
Completed Phase 3 Interventional Results available

Evaluate the Safety and Efficacy of Ferric Maltol Oral Suspension vs. Ferrous Sulfate Oral Liquid in Children and Adolescents Aged 2 to 17 Years With Iron-deficiency Anaemia, With a Single Arm Study in Infants Aged 1 Month to Less Than 2 Years

NCT05126901
View directory record Official record
Conditions
Anemia, Iron-deficiency
Interventions
Ferric Maltol, Ferrous sulfate
Drug
Lead sponsor
Shield Therapeutics
Industry
Eligibility
1 Month to 17 Years
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
14
States / cities
Saraland, Alabama • Homestead, Florida • Kissimmee, Florida + 10 more
Source: ClinicalTrials.gov public record
Updated Nov 9, 2025 · Synced Sep 22, 2026, 1:48 PM EDT
Terminated Phase 4 Interventional Results available

A Clinical Trial of Oral Versus IV Iron in Patients With Chronic Kidney Disease

NCT00830037
View directory record Official record
Conditions
Chronic Kidney Disease, Iron-deficiency Anemia
Interventions
IV Iron, Ferrous Sulfate
Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
136 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2008
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jul 20, 2016 · Synced Sep 22, 2026, 1:48 PM EDT
Not yet recruiting Phase 1Phase 2 Interventional

A Clinical Trial of Iron Supplementation for Youth With ADHD and Restless Sleep

NCT07061470
View directory record Official record
Conditions
ADHD, Sleep Problems
Interventions
Ferrous Sulfate, Placebo
Dietary Supplement · Other
Lead sponsor
Hugo W. Moser Research Institute at Kennedy Krieger, Inc.
Other
Eligibility
8 Years to 18 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 3, 2026 · Synced Sep 22, 2026, 1:48 PM EDT
Completed Phase 2 Interventional

Hemoglobin and Iron Recovery Study

NCT01555060
View directory record Official record
Conditions
Recovery of Hemoglobin and Iron Stores After Blood Donation
Interventions
ferrous gluconate
Dietary Supplement
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years and older
Enrollment
215 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
4
States / cities
San Francisco, California • Farmington, Connecticut • Pittsburgh, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 22, 2014 · Synced Sep 22, 2026, 1:48 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Iron & Vitamin C Study

NCT00881803
View directory record Official record
Conditions
Spinal Cord Injury
Interventions
Not listed
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years to 90 Years · Male only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated May 22, 2012 · Synced Sep 22, 2026, 1:48 PM EDT
Recruiting Phase 4 Interventional

Oral Iron Supplementation on Alternate vs. Consecutive Days for Iron Deficiency Anemia in Pregnancy

NCT06492512
View directory record Official record
Conditions
Iron-deficiency Anemia (IDA), Pregnancy
Interventions
daily ferrous sulfate with an equivalent elemental iron dose of 65 mg per pill, alternate day ferrous sulfate with an equivalent elemental iron dose of 65 mg per pill
Drug
Lead sponsor
Southern Illinois University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Springfield, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 23, 2026 · Synced Sep 22, 2026, 1:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Host Iron Status and Iron Supplement Use on Erythrocytic Stage of Plasmodium Falciparum

NCT01027663
View directory record Official record
Conditions
Iron Deficiency Anemia, Malaria
Interventions
Iron Supplement
Dietary Supplement
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 70 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2015
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 7, 2016 · Synced Sep 22, 2026, 1:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Treatment of Non-Anemic Iron Deficiency in Pregnancy

NCT05423249
View directory record Official record
Conditions
Non-anemic Iron Deficiency
Interventions
Ferrous sulfate, Prenatal, Docusate Sodium, Ascorbic Acid 500Mg Tab, Placebo
Drug
Lead sponsor
Stony Brook University
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
3
States / cities
Bohemia, New York • Commack, New York • East Setauket, New York
Source: ClinicalTrials.gov public record
Updated Nov 28, 2024 · Synced Sep 22, 2026, 1:48 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Vitamin Supplementation After Bariatric Surgery

NCT02686905
View directory record Official record
Conditions
Complications of Bariatric Procedures, Avitaminosis
Interventions
Chewable Multivitamin with Iron, PatchMD Vitamin D3/Calcium Patch, PatchMD Multivitamin Patch, PatchMD B12 Energy Plus Patch, Chewable Calcium, Quick Dissolve B12
Dietary Supplement
Lead sponsor
California State Polytechnic University, Pomona
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Brea, California
Source: ClinicalTrials.gov public record
Updated Sep 29, 2016 · Synced Sep 22, 2026, 1:48 PM EDT
Recruiting Not applicable Interventional

Donor Breast Milk 2

NCT07816601
View directory record Official record
Conditions
Iron Deficiency Anemia
Interventions
Ferrous Sulfate Oral Product
Drug
Lead sponsor
AdventHealth
Other
Eligibility
29 Weeks to 33 Weeks
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Sep 10, 2026 · Synced Sep 22, 2026, 1:48 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Randomized Trial of Iron Supplementation to Prevent Anemia in Very-low-birth-weight Infants

NCT01224236
View directory record Official record
Conditions
Anemia
Interventions
Iron Supplement, control
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
Up to 8 Weeks
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 18, 2015 · Synced Sep 22, 2026, 1:48 PM EDT
Completed Phase 2 Interventional Results available

Autoimmunity-blocking Antibody for Tolerance in Recently Diagnosed Type 1 Diabetes

NCT00129259
View directory record Official record
Conditions
Diabetes Mellitus, Type 1
Interventions
Anti-CD3 mAb, Diabetes Standard of Care Treatment, Iron supplementation
Biological · Other · Dietary Supplement
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
8 Years to 30 Years
Enrollment
83 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2011
U.S. locations
7
States / cities
San Francisco, California • Denver, Colorado • New Haven, Connecticut + 3 more
Source: ClinicalTrials.gov public record
Updated May 21, 2017 · Synced Sep 22, 2026, 1:48 PM EDT
Completed Phase 2 Interventional

Iron Treatment of Sleep Disorders in Children With Autism Spectrum Disorder

NCT01745497
View directory record Official record
Conditions
Autism Spectrum Disorder, Insomnia
Interventions
Ferrous sulfate, Placebo
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
2 Years to 10 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
3
States / cities
Aurora, Colorado • Rochester, New York • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 2, 2020 · Synced Sep 22, 2026, 1:48 PM EDT
Completed Not applicable Interventional Results available

Oral Iron for Erythropoietic Protoporphyrias

NCT02979249
View directory record Official record
Conditions
Erythropoietic Protoporphyria, EPP, X-linked Protoporphyria, XLP
Interventions
Oral Iron
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
6
States / cities
Birmingham, Alabama • San Francisco, California • New York, New York + 3 more
Source: ClinicalTrials.gov public record
Updated Sep 10, 2020 · Synced Sep 22, 2026, 1:48 PM EDT
Completed Phase 2Phase 3 Interventional

Efficacy of a Novel Multivitamin-Mineral Supplement in Preventing Vitamin Deficiency in Postoperative Bariatric Patients

NCT01475617
View directory record Official record
Conditions
Bariatric Surgery Candidate
Interventions
AquaVanta Chewable Tablet, Flinstones Complete, Nature Made Calcium Softgels, Twin Labs Iron Caps, Rexall Vitamin B12 Tablet
Dietary Supplement
Lead sponsor
Yasoo Health
Industry
Eligibility
18 Years to 65 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 21, 2015 · Synced Sep 22, 2026, 1:48 PM EDT