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ClinicalTrials.gov public records Last synced Oct 7, 2026, 1:25 PM EDT

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Showing 49–72 of 98 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Iron (ferrous sulfate) Clear all
Not listed Phase 4 Interventional Accepts healthy volunteers

Iron Supplementation and Intestinal Health

NCT04497012
View directory record Official record
Conditions
Anemia of Prematurity, Very Low Birth Weight Infant
Interventions
2mg/kg/day Iron Sulfate, 6 mg/kg/day Iron Sulfate
Drug
Lead sponsor
University of South Florida
Other
Eligibility
1 Day to 6 Months
Enrollment
183 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Jan 22, 2025 · Synced Oct 7, 2026, 1:25 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

How Does Iron Supplementation Affect Training and Performance in Female Collegiate Rowers?

NCT01383798
View directory record Official record
Conditions
Iron Deficiency (Without Anemia)
Interventions
Placebo, Ferrous sulfate
Dietary Supplement
Lead sponsor
Cornell University
Other
Eligibility
18 Years to 30 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Ithaca, New York
Source: ClinicalTrials.gov public record
Updated Mar 14, 2014 · Synced Oct 7, 2026, 1:25 PM EDT
Completed Phase 2 Interventional Results available

Anemia Studies in CKD: Erythropoiesis Via a Novel Prolyl Hydroxylase Inhibitor (PHI) Daprodustat- Iron (ASCEND: Fe)

NCT03457701
View directory record Official record
Conditions
Anaemia
Interventions
Daprodustat, rhEPO, Ferrous sulfate containing the stable iron isotope (57Fe), Ferrous sulfate containing the stable iron isotope (58Fe)
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
3
States / cities
Fort Worth, Texas • Lufkin, Texas • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Mar 27, 2024 · Synced Oct 7, 2026, 1:25 PM EDT
Terminated Phase 4 Interventional

IRONICA: IRON Repletion In Heart Failure - A Comparison of Oral and IV Approaches

NCT07053475
View directory record Official record
Conditions
Heart Failure, Heart Failure With Reduced Ejection Fraction (HFrEF), Heart Failure With Preserved Ejection Fraction (HFPEF), Iron Deficiency, Iron-deficiency Anemia (IDA)
Interventions
Ferric Carboxymaltose, Ferrous Sulfate
Drug
Lead sponsor
Syed Hamza Mufarrih
Other
Eligibility
18 Years to 100 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Bowling Green, Kentucky
Source: ClinicalTrials.gov public record
Updated Jul 20, 2026 · Synced Oct 7, 2026, 1:25 PM EDT
Withdrawn Not applicable Interventional

Iron Prophylaxis for Anemia in Infants With Cyanotic Congenital Heart Disease

NCT00459225
View directory record Official record
Conditions
Anemia
Interventions
Iron (ferrous sulfate)
Drug
Lead sponsor
Emory University
Other
Eligibility
Up to 2 Months
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Dec 9, 2014 · Synced Oct 7, 2026, 1:25 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Iron Supplements on the Growth of Enteric Pathogens

NCT05762380
View directory record Official record
Conditions
Iron-deficiency, Iron Deficiency Anaemia Due to Dietary Causes, Iron Deficiency Anemia Treatment, Iron Deficiency Anemia
Interventions
Ferrous sulfate, Ferrous sulfate-enriched Aspergillus oryzae (Ao iron)
Dietary Supplement
Lead sponsor
Iowa State University
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Ames, Iowa
Source: ClinicalTrials.gov public record
Updated Mar 9, 2023 · Synced Oct 7, 2026, 1:25 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 24, 2026 · Synced Oct 7, 2026, 1:25 PM EDT
Recruiting Phase 3 Interventional

Intravenous Versus Oral Iron for Treating Iron-Deficiency Anemia in Pregnancy

NCT05462704
View directory record Official record
Conditions
Iron Deficiency Anemia, Pregnancy
Interventions
Ferric derisomaltose, Ferrous sulfate
Drug
Lead sponsor
Women and Infants Hospital of Rhode Island
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
8
States / cities
Birmingham, Alabama • Miami, Florida • Ann Arbor, Michigan + 4 more
Source: ClinicalTrials.gov public record
Updated Jun 10, 2025 · Synced Oct 7, 2026, 1:25 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Iron and the Breast-Fed Infant: Iron Status and Two Regimens of Iron Supplementation

NCT00760890
View directory record Official record
Conditions
Iron Deficiency
Interventions
Fer-In-Sol (ferrous sulfate), Iron fortified cereal
Dietary Supplement
Lead sponsor
National Institutes of Health (NIH)
NIH
Eligibility
1 Month to 24 Months
Enrollment
171 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2005
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Sep 26, 2008 · Synced Oct 7, 2026, 1:25 PM EDT
Completed Phase 3 Interventional Results available

Comparison of the Safety and Efficacy of Intravenous Iron Versus Oral Iron in the Treatment of Anemia Secondary to Heavy Uterine Bleeding

NCT00395993
View directory record Official record
Conditions
Anemia
Interventions
Ferric Carboxymaltose (FCM), Ferrous Sulfate tablets
Drug
Lead sponsor
American Regent, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
456 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
1
States / cities
Norristown, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 20, 2018 · Synced Oct 7, 2026, 1:25 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 27, 2014 · Synced Oct 7, 2026, 1:25 PM EDT
Completed Phase 4 Interventional Results available

Effect of Ferrlecit® Versus Oral Iron on Iron Deficient Chronic Kidney Disease (CKD) Patients

NCT00224055
View directory record Official record
Conditions
Anemia, Iron-Deficiency, Kidney Failure, Chronic
Interventions
Sodium Ferric Gluconate Complex in Sucrose Injection, Ferrous sulfate tablets
Drug
Lead sponsor
Watson Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
89 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
23
States / cities
Tucson, Arizona • Los Angeles, California • Palo Alto, California + 20 more
Source: ClinicalTrials.gov public record
Updated Mar 29, 2012 · Synced Oct 7, 2026, 1:25 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Pharmacokinetics and Absolute Bioavailability of Fer-In-Sol and Triferic Administered Orally With Shohl's Solution in Healthy Volunteers

NCT02767128
View directory record Official record
Conditions
Iron-refractory, Iron-deficiency Anemia (IRIDA)
Interventions
Triferic, Fer-In-Sol, Shohl's solution
Drug
Lead sponsor
Rockwell Medical Technologies, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Kalamazoo, Michigan
Source: ClinicalTrials.gov public record
Updated Feb 1, 2019 · Synced Oct 7, 2026, 1:25 PM EDT
Not listed Phase 3 Interventional Accepts healthy volunteers

Intravenous Iron Versus Oral Iron for the Treatment of Iron Deficiency Anemia

NCT06366698
View directory record Official record
Conditions
Iron Deficiency Anemia of Pregnancy
Interventions
Venofer 200 MG Per 10 ML Injection, Ferrous sulfate
Drug
Lead sponsor
Arrowhead Regional Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
900 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Colton, California
Source: ClinicalTrials.gov public record
Updated Apr 16, 2024 · Synced Oct 7, 2026, 1:25 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Helicobacter Pylori Eradication Trial to Reduce Iron Deficiency in Children

NCT00364104
View directory record Official record
Conditions
Iron Deficiency
Interventions
Quadruple sequential Helicobacter pylori eradication + iron sulfate, Quadruple sequential Helicobacter pylori eradication therapy, Ferrous sulfate, Placebo
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
36 Months to 120 Months
Enrollment
125 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
El Paso, Texas
Source: ClinicalTrials.gov public record
Updated Jun 30, 2009 · Synced Oct 7, 2026, 1:25 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 10, 2025 · Synced Oct 7, 2026, 1:25 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

The Immediate and Long-term Effects of a Novel Marine-based Iron Supplement in Adult Females

NCT07199244
View directory record Official record
Conditions
Anemia, Iron Deficiency (Without Anemia), Iron Absorption
Interventions
marine-based heme iron
Dietary Supplement
Lead sponsor
Nutraceuticals Research Institute
Other
Eligibility
21 Years to 42 Years · Female only
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Huntsville, Alabama
Source: ClinicalTrials.gov public record
Updated Sep 30, 2025 · Synced Oct 7, 2026, 1:25 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Kids With Iron Deficiency and Scoliosis

NCT06042699
View directory record Official record
Conditions
Adolescent Idiopathic Scoliosis, Neuromuscular Scoliosis, Perioperative/Postoperative Complications, Iron Deficiencies, Anemia, Spinal Fusion, Postoperative Cognitive Dysfunction
Interventions
Oral ferrous sulfate, Oral placebo tablet
Dietary Supplement
Lead sponsor
Columbia University
Other
Eligibility
10 Years to 26 Years
Enrollment
275 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 26, 2026 · Synced Oct 7, 2026, 1:25 PM EDT
Completed Phase 3 Interventional Results available

Comparison of the Safety and Efficacy of Intravenous Iron Versus Oral Iron in Subjects Who Display Postpartum Anemia

NCT00396292
View directory record Official record
Conditions
Anemia
Interventions
Oral iron tablets, VIT-45
Drug
Lead sponsor
American Regent, Inc.
Industry
Eligibility
Female only
Enrollment
361 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
1
States / cities
Norristown, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 5, 2018 · Synced Oct 7, 2026, 1:25 PM EDT
Terminated Phase 2 Interventional Results available

Erythropoietin to Prevent Unnecessary Transfusions In Patients With Cyanotic CHD - A Prospective Control Trial

NCT02564796
View directory record Official record
Conditions
Cyanotic Congenital Heart Disease, Anemia, Cyanosis, Congenital Heart Disease
Interventions
Epoetin Alfa and Iron, Iron
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
Up to 8 Weeks
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Dec 2, 2021 · Synced Oct 7, 2026, 1:25 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 19, 2015 · Synced Oct 7, 2026, 1:25 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Relative Bioavailability of Two Formulations of AKB-6548 and the Food Effect of a New Tablet in Healthy Adult Subjects

NCT02412449
View directory record Official record
Conditions
Healthy
Interventions
AKB-6548 tablet, reference formulation given in the fasted state, AKB-6548 tablet, test formulation given in the fasted state., AKB-6548 tablet, test formulation given in the fed state
Drug
Lead sponsor
Akebia Therapeutics
Industry
Eligibility
18 Years to 55 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Kalamazoo, Michigan
Source: ClinicalTrials.gov public record
Updated Nov 14, 2018 · Synced Oct 7, 2026, 1:25 PM EDT
Completed No phase listed Observational

Impact of Iron Supplementation Treatment on Brain Iron Concentrations

NCT04144790
View directory record Official record
Conditions
ADHD, Iron-deficiency, Restless Legs Syndrome, Periodic Limb Movement Sleep Disorder
Interventions
ferrous sulfate
Dietary Supplement
Lead sponsor
Hugo W. Moser Research Institute at Kennedy Krieger, Inc.
Other
Eligibility
5 Years to 18 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 14, 2025 · Synced Oct 7, 2026, 1:25 PM EDT
Withdrawn Phase 2 Interventional

IV Iron Sucrose vs Oral FeSO4 in Treating IDA in Pediatric IBD

NCT01438372
View directory record Official record
Conditions
Iron Deficiency Anemia, Inflammatory Bowel Disease
Interventions
Intravenous iron sucrose, Oral ferrous sulfate
Drug
Lead sponsor
Wayne State University
Other
Eligibility
12 Years to 17 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 7, 2014 · Synced Oct 7, 2026, 1:25 PM EDT