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ClinicalTrials.gov public records Last synced Oct 24, 2026, 4:30 PM EDT

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Showing 1–24 of 80 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Ferrous sulfate tablets Clear all
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 24, 2026, 4:30 PM EDT
Completed Phase 3 Interventional Results available

Multicenter Randomized Active-controlled Study to Investigate Efficacy & Safety of IV FCM in Pediatric Patients With IDA

NCT03523117
View directory record Official record
Conditions
Iron Deficiency Anemia
Interventions
Ferric carboxymaltose, Ferrous Sulfate
Drug
Lead sponsor
American Regent, Inc.
Industry
Eligibility
1 Year to 17 Years
Enrollment
79 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
16
States / cities
Little Rock, Arkansas • Doral, Florida • Miami, Florida + 10 more
Source: ClinicalTrials.gov public record
Updated Jun 22, 2022 · Synced Oct 24, 2026, 4:30 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Prevention of Iron Deficiency in Breastfed Infants

NCT01444261
View directory record Official record
Conditions
Iron Deficiency, Anemia
Interventions
Fer-in-Sol, control
Dietary Supplement · Other
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
4 Weeks to 9 Months
Enrollment
219 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Mar 31, 2017 · Synced Oct 24, 2026, 4:30 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 21, 2016 · Synced Oct 24, 2026, 4:30 PM EDT
Completed Phase 2Phase 3 Interventional Results available

2 Doses of Ferrlecit Versus Oral Iron to Treat Iron-deficiency Anemia in Peritoneal Dialysis Patients.

NCT00223977
View directory record Official record
Conditions
Iron Deficiency Anemia
Interventions
Sodium Ferric Gluconate Complex, Oral Iron
Drug
Lead sponsor
Watson Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
146 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2008
U.S. locations
19
States / cities
Birmingham, Alabama • Mesa, Arizona • Los Angeles, California + 16 more
Source: ClinicalTrials.gov public record
Updated Jul 8, 2013 · Synced Oct 24, 2026, 4:30 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 24, 2026, 4:30 PM EDT
Recruiting Phase 3 Interventional

Trial of IV vs Oral Iron Treatment of Iron Deficiency Anemia in the Post-Operative Bariatric Surgical Patient

NCT04268849
View directory record Official record
Conditions
Iron Deficiency Anemia
Interventions
Ferumoxytol, Saline, Ferrous sulfate tablets, Vitamin C
Drug
Lead sponsor
Auerbach Hematology Oncology Associates P C
Other
Eligibility
18 Years and older
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 3, 2025 · Synced Oct 24, 2026, 4:30 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 29, 2024 · Synced Oct 24, 2026, 4:30 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Iron Bioavailability From Cereal-based Foods

NCT05061290
View directory record Official record
Conditions
Iron Bioavailability
Interventions
Control Porridge, Reference Porridge A, Test Porridge B, Test Porridge C, Test Porridge D
Other
Lead sponsor
Purdue University
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Sep 28, 2022 · Synced Oct 24, 2026, 4:30 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Alternate Day Versus Daily Oral Iron Therapy in Adolescents

NCT05007899
View directory record Official record
Conditions
Iron Deficiency Anemia, Heavy Menstrual Bleeding, Abnormal Uterine Bleeding
Interventions
Ferrous sulfate
Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
9 Years to 22 Years · Female only
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 13, 2023 · Synced Oct 24, 2026, 4:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Iron Absorption From Iron-enriched Aspergillus Oryzae

NCT03156712
View directory record Official record
Conditions
Iron-deficiency, Absorption; Iron, Anemia, Iron Deficiency, Bioavailability, Serum Iron
Interventions
Ferrous sulfate
Dietary Supplement
Lead sponsor
Iowa State University
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Ames, Iowa
Source: ClinicalTrials.gov public record
Updated May 18, 2017 · Synced Oct 24, 2026, 4:30 PM EDT
Recruiting Phase 4 Interventional

Early Antenatal Support for Iron Deficiency Anemia

NCT04278651
View directory record Official record
Conditions
Pregnancy Related, Anemia, Iron Deficiency, Anemia of Pregnancy
Interventions
Ferumoxytol, Ferrous Sulfate
Drug
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 2, 2025 · Synced Oct 24, 2026, 4:30 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 24, 2026, 4:30 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 21, 2023 · Synced Oct 24, 2026, 4:30 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 24, 2026, 4:30 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 24, 2026, 4:30 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 24, 2026, 4:30 PM EDT
Completed Not applicable Interventional Results available

Impact of Ferric Citrate vs Ferrous Sulfate on Iron Parameters and Hemoglobin in Individuals With CKD and Iron Deficiency

NCT02888171
View directory record Official record
Conditions
Chronic Kidney Disease, Iron Deficiency, Anemia
Interventions
ferric citrate, ferrous sulfate
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Mar 24, 2020 · Synced Oct 24, 2026, 4:30 PM EDT
Recruiting Phase 4 Interventional

Oral Iron in Children With Chronic Kidney Disease

NCT03991169
View directory record Official record
Conditions
Chronic Kidney Insufficiency, Chronic Kidney Diseases
Interventions
Ferrous Sulfate
Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
1 Year to 21 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2028
U.S. locations
2
States / cities
New York, New York • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 11, 2025 · Synced Oct 24, 2026, 4:30 PM EDT
Terminated Phase 4 Interventional Results available

Oral Iron Frequency for Childhood Restless Leg Syndrome/Periodic Limb Movement Disorder

NCT04610827
View directory record Official record
Conditions
Sleep Disorder, Restless Legs Syndrome, Periodic Limb Movement Sleep Disorder, Iron-deficiency
Interventions
Ferrous sulfate
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
2 Years to 10 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 22, 2024 · Synced Oct 24, 2026, 4:30 PM EDT
Completed Phase 3 Interventional Results available

Comparison of Oral Ferrous Sulfate to Intravenous Ferumoxytol in Antepartum Iron Deficiency Anemia

NCT04253626
View directory record Official record
Conditions
Pregnancy Related, Anemia, Iron Deficiency
Interventions
Ferumoxytol Injection [Feraheme], Ferrous Sulfate
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older · Female only
Enrollment
83 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Jun 30, 2026 · Synced Oct 24, 2026, 4:30 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 24, 2026, 4:30 PM EDT
Completed Not applicable Interventional

Oral Iron Supplementation in Pulmonary Hypertension

NCT01446848
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
iron supplement
Dietary Supplement
Lead sponsor
The Cleveland Clinic
Other
Eligibility
21 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 12, 2014 · Synced Oct 24, 2026, 4:30 PM EDT
Completed Phase 3 Interventional Results available

Comparison of Safety and Efficacy of Intravenous Iron Versus Oral Iron in Chronic Renal Failure Subjects With Anemia

NCT00236977
View directory record Official record
Conditions
Anemia
Interventions
Venofer, Ferrous Sulfate
Drug
Lead sponsor
American Regent, Inc.
Industry
Eligibility
18 Years and older
Enrollment
182 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
1
States / cities
Valley Forge, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 6, 2020 · Synced Oct 24, 2026, 4:30 PM EDT