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ClinicalTrials.gov public records Last synced Oct 3, 2026, 10:59 AM EDT

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Showing 1–24 of 61 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Oral Iron (Ferrous sulphate) Clear all
Withdrawn Phase 3 Interventional

Efficacy and Safety Study of Ulipristal Acetate in Females With Anemia Associated With Uterine Leiomyoma

NCT01553123
View directory record Official record
Conditions
Leiomyomas
Interventions
Ulipristal Acetate, Iron
Drug
Lead sponsor
Watson Pharmaceuticals
Industry
Eligibility
18 Years to 50 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
47
States / cities
Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 41 more
Source: ClinicalTrials.gov public record
Updated Feb 7, 2013 · Synced Oct 3, 2026, 10:59 AM EDT
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 20, 2014 · Synced Oct 3, 2026, 10:59 AM EDT
Recruiting Phase 3 Interventional

IV Iron Trial for Anemia Related to Uterine Bleeding in Female Patients Presenting to the Emergency Department

NCT05304442
View directory record Official record
Conditions
Anemia, Iron Deficiency, Uterine Bleeding
Interventions
Ferric Derisomaltose 1000 Mg in 10 mL INTRAVENOUS SOLUTION [Monoferric], Ferrous Sulfate 65 mg elemental iron (325 mg tablets)
Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 5, 2024 · Synced Oct 3, 2026, 10:59 AM 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 3, 2026, 10:59 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Intravenous Iron vs. Oral Iron Supplementation for Postpartum Anemia

NCT05047211
View directory record Official record
Conditions
Anemia, Iron Deficiency, Delivery Complication
Interventions
Ferrous sulfate, Iron dextran
Drug
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 29, 2023 · Synced Oct 3, 2026, 10:59 AM 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 24, 2024 · Synced Oct 3, 2026, 10:59 AM 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 3, 2026, 10:59 AM 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 3, 2026, 10:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Trial Comparing Iron Supplementation Versus Routine Iron Intake in Very Low Birth Weight Infants

NCT01125163
View directory record Official record
Conditions
Iron Deficiency Anemia
Interventions
Iron Supplement, multivitamin
Dietary Supplement
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
24 Weeks to 32 Weeks
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 4, 2019 · Synced Oct 3, 2026, 10:59 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effects of Ferrous Sulfate on the Pharmacokinetics of AKB-6548

NCT02327546
View directory record Official record
Conditions
Healthy Volunteers
Interventions
AKB-6548, Ferrous Sulfate
Drug
Lead sponsor
Akebia Therapeutics
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Kalamazoo, Michigan
Source: ClinicalTrials.gov public record
Updated Nov 14, 2018 · Synced Oct 3, 2026, 10:59 AM EDT
Terminated Phase 2 Interventional Results available

Efficacy of Ferric Carboxymaltose in Gastrointestinal Stromal Tumor (GIST) Patients With Iron Deficiency Anemia (IDA) Receiving Systemic Therapy

NCT02949947
View directory record Official record
Conditions
Malignant Neoplasms of Mesothelial and Soft Tissue, Gastrointestinal Stromal Tumor With Neurogenic Differentiation
Interventions
Ferric Carboxymaltose, Iron Supplements, Questionnaire
Drug · Dietary Supplement · Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 6, 2020 · Synced Oct 3, 2026, 10:59 AM 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 20, 2018 · Synced Oct 3, 2026, 10:59 AM 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 3, 2026, 10:59 AM 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 3, 2026, 10:59 AM 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 24, 2021 · Synced Oct 3, 2026, 10:59 AM EDT
Recruiting Phase 2 Interventional

Darbe Plus IV Iron to Decrease Transfusions While Maintaining Iron Sufficiency in Preterm Infants

NCT05340465
View directory record Official record
Conditions
Prematurity, Iron-deficiency, Iron Deficiency Anemia, Iron Malabsorption
Interventions
Darbepoetin Alfa, Low Molecular Weight Iron Dextran, Ferumoxytol injection, Oral iron supplements
Drug
Lead sponsor
University of Washington
Other
Eligibility
Up to 3 Days
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 26, 2026 · Synced Oct 3, 2026, 10:59 AM 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 11, 2020 · Synced Oct 3, 2026, 10:59 AM 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 3, 2026, 10:59 AM 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 3, 2026, 10:59 AM 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 3, 2026, 10:59 AM EDT
Completed Phase 4 Interventional Results available

Intravenous Iron for Iron-deficiency Anemia in Pregnancy: a Randomized Controlled Trial

NCT03438227
View directory record Official record
Conditions
Iron Deficiency Anemia of Pregnancy, Iron Malabsorption
Interventions
Iron dextran, Ferrous sulfate 325mg
Drug
Lead sponsor
Indiana University
Other
Eligibility
Female only
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
2
States / cities
Indianapolis, Indiana • St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 11, 2024 · Synced Oct 3, 2026, 10:59 AM 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 3, 2026, 10:59 AM 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 3, 2026, 10:59 AM 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 3, 2026, 10:59 AM EDT