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Showing 1–24 of 106 matching trials from the live ClinicalTrials.gov search.
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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 26, 2024 · Synced Sep 9, 2026, 12:35 AM 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 9, 2026, 12:35 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 28, 2023 · Synced Sep 9, 2026, 12:35 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Iron Supplementation and Side Effects

NCT04018300
View directory record Official record
Conditions
Iron Deficiency Anemia, Iron Overload
Interventions
Ferrous sulfate, Aspiron, Placebo
Dietary Supplement · Other
Lead sponsor
Iowa State University
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Ames, Iowa
Source: ClinicalTrials.gov public record
Updated Jul 11, 2019 · Synced Sep 9, 2026, 12:35 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Daily vs Intermittent Iron Therapy in Pregnancy

NCT03706638
View directory record Official record
Conditions
Iron Deficiency Anemia of Pregnancy
Interventions
Ferrous Sulfate
Dietary Supplement
Lead sponsor
UConn Health
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 20, 2020 · Synced Sep 9, 2026, 12:35 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 13, 2018 · Synced Sep 9, 2026, 12:35 AM 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 19, 2018 · Synced Sep 9, 2026, 12:35 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 5, 2020 · Synced Sep 9, 2026, 12:35 AM EDT
Withdrawn Not applicable Interventional

Capsule Endoscopy Versus Conservative Therapy for Obscure Gastrointestinal Bleeding

NCT01837030
View directory record Official record
Conditions
Hemorrhage, Anemia
Interventions
Ferrous sulfate, Capsule Endoscopy
Dietary Supplement · Device
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jun 13, 2018 · Synced Sep 9, 2026, 12:35 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 25, 2026 · Synced Sep 9, 2026, 12:35 AM 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 9, 2026, 12:35 AM 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 23, 2020 · Synced Sep 9, 2026, 12:35 AM EDT
Completed Phase 2 Interventional Results available

Efficacy of Enteral Iron Supplementation in Critical Illness

NCT00450177
View directory record Official record
Conditions
Anemic, Critically Ill Patients
Interventions
Ferrous Sulfate, Placebo Oral Tablet
Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 17, 2019 · Synced Sep 9, 2026, 12:35 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Pilot Trial Investigating Every Other Day Dosing of Oral Iron in Premature Infants (IQONic)

NCT06555315
View directory record Official record
Conditions
Very Low Birth Weight Infant, Premature Infants, Anemia of Prematurity, Iron Deficiency, Anaemia in Children, Extremely Low Birth Weight
Interventions
6 mg/kg of oral iron as ferrous sulfate administered every other day., 6 mg/kg of oral iron as ferrous sulfate administered every day.
Dietary Supplement
Lead sponsor
CHRISTUS Health
Other
Eligibility
26 Weeks to 32 Weeks
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Aug 14, 2024 · Synced Sep 9, 2026, 12:35 AM EDT
Recruiting Phase 2 Interventional

Study of Olaparib in Metastatic Renal Cell Carcinoma Patients With DNA Repair Gene Mutations

NCT03786796
View directory record Official record
Conditions
Renal Cell Carcinoma, Metastatic Renal Cell Carcinoma, Kidney Cancer, Renal Carcinoma, Kidney Cancer Metastatic
Interventions
Olaparib
Drug
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years to 120 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2028
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 29, 2026 · Synced Sep 9, 2026, 12:35 AM 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 6, 2014 · Synced Sep 9, 2026, 12:35 AM 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 5, 2020 · Synced Sep 9, 2026, 12:35 AM 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 1, 2021 · Synced Sep 9, 2026, 12:35 AM 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 9, 2026, 12:35 AM EDT
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 21, 2025 · Synced Sep 9, 2026, 12:35 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 15, 2024 · Synced Sep 9, 2026, 12:35 AM EDT
Recruiting Phase 2 Interventional

Sequential Testosterone and Enzalutamide Prevents Unfavorable Progression

NCT04363164
View directory record Official record
Conditions
Castration Resistant Metastatic Prostate Cancer
Interventions
Testosterone cypionate, Enzalutamide, Testosterone enanthate
Drug
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years to 90 Years · Male only
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2028
U.S. locations
6
States / cities
San Diego, California • Baltimore, Maryland • Boston, Massachusetts + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Sep 9, 2026, 12:35 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 3, 2019 · Synced Sep 9, 2026, 12:35 AM 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 9, 2026, 12:35 AM EDT