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 17, 2026, 6:27 AM 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: Oral iron supplements Clear all
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 25, 2026 · Synced Sep 17, 2026, 6:27 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 17, 2026, 6:27 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 19, 2014 · Synced Sep 17, 2026, 6:27 AM 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 21, 2022 · Synced Sep 17, 2026, 6:27 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 17, 2026, 6:27 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Folic Acid Supplementation in Pregnant Women: Dose Response

NCT02124642
View directory record Official record
Conditions
Pregnancy
Interventions
Folic acid, 400 mcg/day, Folic acid 800 mcg/day
Dietary Supplement
Lead sponsor
University of Georgia
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
Athens, Georgia
Source: ClinicalTrials.gov public record
Updated Mar 4, 2018 · Synced Sep 17, 2026, 6:27 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 17, 2026, 6:27 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 19, 2026 · Synced Sep 17, 2026, 6:27 AM 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 8, 2014 · Synced Sep 17, 2026, 6:27 AM EDT
Completed Phase 2 Interventional Results available

Pilot Study: Randomized, Placebo-controlled Comparator Trial of IV vs Oral Iron Treatment of RLS With IDA. (IVOR-IDA)

NCT02499354
View directory record Official record
Conditions
Restless Legs Syndrome, Iron Deficiency Anemia
Interventions
Ferumoxytol intravenous, Ferrous sulfate
Drug
Lead sponsor
Auerbach Hematology Oncology Associates P C
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2022
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 29, 2024 · Synced Sep 17, 2026, 6:27 AM 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 17, 2026, 6:27 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 17, 2026, 6:27 AM EDT
Completed Phase 3 Interventional Results available

VIT45 Versus Oral Iron in the Treatment of Anemia in Non-Dialysis Dependent Chronic Kidney Disease

NCT00317239
View directory record Official record
Conditions
Anemia
Interventions
Ferrous Sulfate tablets, Ferric Carboxymaltose (FCM)
Drug
Lead sponsor
American Regent, Inc.
Industry
Eligibility
12 Years and older
Enrollment
255 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Norristown, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 19, 2018 · Synced Sep 17, 2026, 6:27 AM 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 13, 2025 · Synced Sep 17, 2026, 6:27 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 17, 2026, 6:27 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 10, 2020 · Synced Sep 17, 2026, 6:27 AM 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 17, 2026, 6:27 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 17, 2017 · Synced Sep 17, 2026, 6:27 AM EDT
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 6, 2013 · Synced Sep 17, 2026, 6:27 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 17, 2026, 6:27 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 17, 2026, 6:27 AM 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 21, 2024 · Synced Sep 17, 2026, 6:27 AM 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 Jan 31, 2019 · Synced Sep 17, 2026, 6:27 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Efficacy of a Low Dose, Oral, Liquid Iron Supplement on Restoring Inadequate Blood Iron to Normal Levels

NCT05257343
View directory record Official record
Conditions
Iron Deficiency (Without Anemia)
Interventions
Liquid Placebo Supplementation, Liquid Iron Supplement (Blood Builder ®)
Dietary Supplement
Lead sponsor
Applied Science & Performance Institute
Industry
Eligibility
18 Years and older · Female only
Enrollment
95 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated May 29, 2023 · Synced Sep 17, 2026, 6:27 AM EDT