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Showing 1–24 of 35 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Oral iron supplementation Clear all
Completed Phase 1 Interventional Results available

A Phase 1 Study of LY2787106 in Cancer and Anemia

NCT01340976
View directory record Official record
Conditions
Anemia
Interventions
LY2787106, Iron Supplementation
Drug · Dietary Supplement
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
9
States / cities
La Jolla, California • Santa Monica, California • Indianapolis, Indiana + 6 more
Source: ClinicalTrials.gov public record
Updated Oct 2, 2018 · Synced Sep 16, 2026, 1:47 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 16, 2026, 1:47 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Nutritional and Contractile Regulation of Muscle Growth

NCT00891696
View directory record Official record
Conditions
Sarcopenia
Interventions
Rapamycin, Amino acid supplementation, Low-intensity resistance exercise, Sodium nitroprusside, Blood flow restriction cuff
Drug · Other · Device
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
18 Years to 85 Years
Enrollment
144 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2015
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated May 3, 2017 · Synced Sep 16, 2026, 1:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Combinatorial Nutritional Supplementation on Immune Function in Healthy Older Adults

NCT02876315
View directory record Official record
Conditions
Vitamin D Deficiency
Interventions
Redoxon VI, placebo
Dietary Supplement
Lead sponsor
Oregon State University
Other
Eligibility
55 Years to 75 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Corvallis, Oregon
Source: ClinicalTrials.gov public record
Updated Nov 30, 2022 · Synced Sep 16, 2026, 1:47 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 16, 2026, 1:47 AM EDT
Completed Phase 3 Interventional Results available

Darbepoetin Alfa With or Without Iron in Treating Anemia Caused By Chemotherapy in Patients With Cancer

NCT00661999
View directory record Official record
Conditions
Anemia, Leukemia, Lymphoma, Lymphoproliferative Disorder, Multiple Myeloma and Plasma Cell Neoplasm, Precancerous Condition, Unspecified Adult Solid Tumor, Protocol Specific
Interventions
darbepoetin alfa, ferrous sulfate, sodium ferric gluconate complex in sucrose, placebo
Biological · Dietary Supplement · Drug + 1 more
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
502 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
2
States / cities
Scottsdale, Arizona • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 16, 2011 · Synced Sep 16, 2026, 1:47 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 28, 2024 · Synced Sep 16, 2026, 1:47 AM EDT
Recruiting Phase 1 Interventional

Enrichment of Glutathione Using Gamma-glutamylcysteine Supplementation in Parkinson's Disease Patients.

NCT07064005
View directory record Official record
Conditions
Parkinsons Disease (PD)
Interventions
Gamma- glutamylcysteine
Drug
Lead sponsor
Pravat Mandal
Other
Eligibility
50 Years to 80 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 3, 2026 · Synced Sep 16, 2026, 1:47 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Iron Aid IPS on Performance, Fatigue and Iron Levels During 12 Weeks of Supplementation and Aerobic Training

NCT03523455
View directory record Official record
Conditions
Iron-deficiency
Interventions
Iron Aid IPS (Iron Protein Succinylate), Sugar Pill
Dietary Supplement · Other
Lead sponsor
University of Mary Hardin-Baylor
Other
Eligibility
18 Years to 30 Years · Female only
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Belton, Texas
Source: ClinicalTrials.gov public record
Updated Aug 7, 2018 · Synced Sep 16, 2026, 1:47 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 26, 2024 · Synced Sep 16, 2026, 1:47 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

Active Preoperative Anemia Management in Patients Undergoing Cardiac Surgery

NCT02189889
View directory record Official record
Conditions
Anemia, Cardiovascular Disease
Interventions
EPO, Feraheme
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
2
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Oct 22, 2020 · Synced Sep 16, 2026, 1:47 AM 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 11, 2014 · Synced Sep 16, 2026, 1:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Collegiate Athlete Study

NCT07631312
View directory record Official record
Conditions
Iron Deficiency, Iron Deficiency Anemia (IDA), Vitamin D Deficiency, Vitamin D Insufficiency, Low Energy Availability, Bone Density
Interventions
Iron and Vitamin D Deficiencies Correction
Dietary Supplement
Lead sponsor
Morehouse School of Medicine
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jun 7, 2026 · Synced Sep 16, 2026, 1:47 AM EDT
Recruiting Phase 2 Interventional

Essential Amino Acid Supplementation for Femoral Fragility Fractures

NCT06050668
View directory record Official record
Conditions
Femoral Fracture, Fragility Fracture, Muscle Atrophy
Interventions
Essential Amino Acid Supplementation
Combination Product
Lead sponsor
Michael C Willey
Other
Eligibility
65 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
2
States / cities
Iowa City, Iowa • Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Sep 16, 2026, 1:47 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 16, 2026, 1:47 AM EDT
Completed Not applicable Interventional

Iron Supplement to Improve Iron Status Following Bariatric Surgery

NCT02404012
View directory record Official record
Conditions
Anemia, Iron Deficiency
Interventions
Oral iron supplementation
Dietary Supplement
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Aug 4, 2022 · Synced Sep 16, 2026, 1:47 AM EDT
Completed Not applicable Interventional

Iron Status and Myelination in Premature Infants

NCT00684697
View directory record Official record
Conditions
Neurodevelopmental Outcome
Interventions
iron
Dietary Supplement
Lead sponsor
University of Rochester
Other
Eligibility
Up to 32 Weeks
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2020
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Mar 1, 2021 · Synced Sep 16, 2026, 1:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Iron Depletion and Replacement in Blood Donors

NCT01752413
View directory record Official record
Conditions
Anemia
Interventions
Ferrous gluconate 325mg, Nutrition counseling
Dietary Supplement · Behavioral
Lead sponsor
Memorial Blood Centers, Minnesota
Other
Eligibility
18 Years and older
Enrollment
197 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 27, 2021 · Synced Sep 16, 2026, 1:47 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 10, 2024 · Synced Sep 16, 2026, 1:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Iron and/or Zinc Supplementation in Mexican School Children Exposed to Lead

NCT02346188
View directory record Official record
Conditions
Lead Poisoning
Interventions
Ferrous fumarate, Zinc oxide, Placebo
Dietary Supplement
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
6 Years to 8 Years
Enrollment
602 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2001
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 25, 2015 · Synced Sep 16, 2026, 1:47 AM EDT
Not yet recruiting Early Phase 1 Interventional Accepts healthy volunteers

Impact of Iron Supplementation on Right Ventricular Function and Exercise Performance in Hypoxia

NCT05349630
View directory record Official record
Conditions
Right Ventricular Dysfunction, Hypoxia
Interventions
Ferrous sulfate 325mg
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 60 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2028 – 2030
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced Sep 16, 2026, 1:47 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 16, 2026, 1:47 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 16, 2026, 1:47 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 16, 2026, 1:47 AM EDT