Clinical trials: Iron Absorption
Diabetes Mellitus Type 2, Iron Absorption
Semaglutide and Intestinal Iron Absorption
Semaglutide belongs to a group of long-acting glucagon-like peptide 1 receptor agonists (GLP-1). Disorders in iron absorption have been linked to numerous medication, dietary, and nutrient interactions thus far.
- Trial name
- NCT06629688
- Testing
- semaglutide
- Where
- Croatia
- Volunteers
- 51 people
- Sponsor
- University Hospital Dubrava
Overweight, Obesity
Iron Absorption and Transfer to the Fetus During Pregnancy in Normal Weight and Overweight/Obese Women and the Effects on Infants Iron Status
Overweight and obesity causes low-grade systemic inflammation, which sharply increases risk for iron deficiency. Studies in our laboratory have shown that this is mainly the result of reduced dietary iron absorption because of…
- Conditions
- Overweight, Obesity, Pregnancy
- Trial name
- PIANO (NCT02747316)
- Testing
- Stable iron isotope 57 (57Fe) labeled iron solution, Stable iron isotope 58 (58Fe) labeled iron solution
- Where
- Switzerland
- Volunteers
- 83 people
- Sponsor
- Swiss Federal Institute of Technology
Iron-deficiency, Iron Deficiency Anemia
Iron Absorption and Exercise
Iron is a nutritionally essential mineral required for optimal physical and cognitive performance. Endurance exercise often leads to declines in iron status; however, the reason for the decline is not known.
- Trial name
- NCT04079322
- Testing
- Meal
- Where
- United States
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- Florida State University
Evaluation of Bioavailability of Supplemental Forms of Iron
Glycoprotein Matrix-Bound Iron Improves Iron Absorption
A double-blind, randomized crossover study was conducted that evaluated absorption kinetics of 3 forms of dietary supplement iron by measuring iron levels in the blood after acute ingestion.
- Trial name
- NCT06738199
- Testing
- dietary iron supplementation
- Where
- United States
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- University of Mary Hardin-Baylor
Iron Absorption
Iron Long-Term Labelling Study Benin
Conventional indirect indicators of iron status, using serum and red blood cell biomarkers, are confounded by inflammation from common infections in sub-Saharan Africa, a region with a high prevalence of iron deficiency, making…
- Trial name
- NCT02979080
- Testing
- Eisensulfat LOMAPHARM 50 mg
- Where
- 2 sites in Benin
- Volunteers
- 63 people, healthy volunteers welcome
- Sponsor
- Prof. Michael B. Zimmermann
Iron-deficiency
The Effect of Lactoferrin and Dosing Regimen on Iron Absorption From a Maize-based Porridge in Kenyan Infants
The purpose of this study is to measure iron absorption from maize-based porridge fortified with either apo-lactoferrin, holo-lactoferrin or ferrous sulfate and to test whether there is an effect of these.
- Trial name
- NCT03617575
- Testing
- apo-Lactoferrin, holo-Lactoferrin, FeSO4
- Where
- Kenya
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Swiss Federal Institute of Technology
CDA Type I
Evaluation of the Efficacy in Decreasing Iron Absorption in Patients With Congenital Dyserythropoietic Anemia Type I by Treatment With LOSEC
Congenital Dyserythropoietic Anemia Type I (CDAI) is a recessive autosomal disease caused by ineffective erythropoiesis that causes Anemia \& accumulation of iron due to increased absorption of iron in the intestine.
- Trial name
- NCT01795794
- Testing
- omeprazole
- Volunteers
- 12 people
- Sponsor
- Soroka University Medical Center
Anemia of Chronic Kidney Disease
A Study to Investigate the Effect of Roxadustat Versus Recombinant Human Erythropoietin (rHuEPO) on Oral Iron Absorption in Chinese Patients With Anemia of Chronic Kidney Disease (CKD)
This is a Phase IV, randomized, active-controlled, open-label, parallel design, multicenter prospective study to evaluate the effect of roxadustat versus rHuEPO treatment on the gastrointestinal (GI) iron absorption in patients…
- Trial name
- NCT04655027
- Testing
- Roxadustat, rHuEPO
- Where
- 8 sites in China
- Volunteers
- 25 people
- Sponsor
- AstraZeneca
Thalassemia, Iron Overload
Inhibitory Effect of a Polyphenol Supplement on Dietary Iron Absorption in Adults with Thalassemia
Genetic disorders, such as thalassemia, can lead to iron overload and severe adverse health outcomes. In iron-loading thalassemia, iron overload is due to increased iron absorption.
- Trial name
- NCT05326503
- Testing
- Meal matrix with polyphenol supplement (PPS), No meal matrix with PPS
- Where
- Thailand
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Swiss Federal Institute of Technology
Gut -Microbiota, Inflamation
Impact of a Cricket and Black Soldier Fly Larvae-Fortified Cracker on the Gut Microbiome and Iron Status in Malagasy Schoolchildren
The purpose of this study is to determine the health impacts of consistent consumption of insect-fortified crackers among school-aged children in Madagascar.
- Conditions
- Gut -Microbiota, Inflamation, Iron Absorption
- Trial name
- NCT07439185
- Testing
- Cricket and Black Soldier Fly Larvae-fortified Cracker, Rice and Corn Cracker
- Where
- Madagascar
- Volunteers
- 650 people, healthy volunteers welcome
- Sponsor
- Cornell University
Sleep, Inadequate, Energy Deficit
The Effects of Repeated Operational Stress and Limited Recovery on Resilience Capacity
This longitudinal study will examine the effects of repeated bouts of operational stress and limited recovery on integrated MPS, whole-body protein balance, iron absorption, and aerobic performance.
- Conditions
- Sleep, Inadequate, Energy Deficit, Iron Absorption, High Physical Activity
- Trial name
- REP DEF (NCT06784544)
- Testing
- Operational Stressors
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- United States Army Research Institute of Environmental Medicine
Infant, Dietary Supplements
Iron Absorption From Infant Formula and Iron Drops in Infants (MJAU-studien)
Iron deficiency (ID) affects up to 25% of Swedish infants and severe ID is associated with cognitive and behavioral problems. To avoid this, iron supplements or iron-fortified infant foods are recommended for infants.
- Conditions
- Infant, Dietary Supplements, Food, Fortified
- Trial name
- MJAU (NCT01216709)
- Testing
- ferrous sulfate, iron-fortified infant formula (12.4 mg iron/L), iron-fortified infant formula (2.3 mg iron/L)
- Where
- Sweden
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- Umeå University
Iron Deficiency, Biofortification
Iron Absorption From Regular, Biofortified and Post-harvest Fortified Pearl Millet
Iron deficiency (ID) with or without anemia is still a main public health problem in sub-Saharan Africa and Southern Asia, especially in vulnerable population groups such as children below 5 years of age and women of reproductive…
- Trial name
- NCT01634932
- Testing
- Regular iron, Iron biofortified millet, Post-harvest iron-fortifed millet
- Where
- Benin
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Swiss Federal Institute of Technology
Anemia; Deficiency, Nutritional, With Poor Iron Absorption
Fe Absorption in Mother and Child Pairs From Wheat Fortified With Iron With and Without Phenolic Containing Beverages
In Senegal, iron deficiency affects 39% of and 82% of women and children between 12 and 50 months indicating that iron deficiency is a major health problem.
- Trial name
- Fe_Senegal (NCT02437955)
- Testing
- Ferrous sulfate fortified bread with tea, ferrous sulfate fortified bread with water, Ferrous fumarate fortified bread with tea
- Where
- Senegal
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Swiss Federal Institute of Technology
Obesity & Overweight, Normal Weight Adults
Long-term Iron Absorption and Loss in Women
Obese people typically have chronic low-grade inflammation. Based on short-term studies, this inflammation could affect the absorption, utilization, storage, and mobilization of iron, and individuals with inflammation might…
- Trial name
- NCT07855939
- Where
- Thailand
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- Mahidol University
Dysmetabolic Iron Overload Syndrome, Genetic Hemochromatosis
Effects of Polyphenols on Iron Absorption in Iron Overload Disorders.
Dysmetabolic iron overload syndrome and genetic hemochromatosis are frequent causes of iron overload. Polyphenols are efficient iron-chelators.
- Conditions
- Dysmetabolic Iron Overload Syndrome, Genetic Hemochromatosis, Iron Absorption, Polyphenols
- Trial name
- POLYFER (NCT03453918)
- Testing
- polyphenols
- Where
- France
- Volunteers
- 41 people
- Sponsor
- University Hospital, Clermont-Ferrand
Low Iron Stores
The Effect of Lactobacillus Cultures on Iron Bioavailability.
The purpose of this study is to determine the effect of a lactic acid fermented oat gruel on iron absorption in the upper and lower part of the intestine, respectively.
- Trial name
- NCT00283491
- Testing
- Active Lactobacillus plantarum 299v, Inactive Lactobacillus plantarum 299v
- Where
- Denmark
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- University of Copenhagen
Iron Deficiency Anemia of Pregnancy
Defining a Dosing Regimen With Maximal Absorption for Oral Iron Supplementation During Pregnancy
Iron deficiency anemia (IDA) is common during pregnancy and has adverse effects on the mother, fetus and newborn. Oral iron supplements are usually recommended to prevent ID/IDA during pregnancy.
- Trial name
- NCT04074707
- Testing
- Labeled iron solution (60mg and 120mg Ferrous Fumarate)
- Where
- Thailand
- Volunteers
- 30 people
- Sponsor
- Swiss Federal Institute of Technology
Iron-deficiency, Ferritin Threshold
Defining the Serum Ferritin Concentration in Kenyan Women at Which the Body Senses Iron Depletion and Begins to Upregulate Iron Absorption
The serum or plasma ferritin concentration (referred to hereafter as ferritin) is the most widely used indicator to detect iron deficiency and a low ferritin indicates depleted iron stores.
- Conditions
- Iron-deficiency, Ferritin Threshold, Iron Absorption, Stable Iron Isotopes
- Trial name
- NCT05266703
- Testing
- Isotopically labelled iron sulfate 15mg
- Where
- Kenya
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Swiss Federal Institute of Technology
Iron Deficiency (Without Anemia)
Effect of Chitin and Ascorbic Acid on Dietary Insect Iron Absorption
Iron is involved in many vital metabolic processes such as oxygen transport, electron transport in cells, DNA synthesis and repair, and muscle metabolism.
- Trial name
- INSECTE (NCT06822062)
- Testing
- Meal A, Meal B, Meal C
- Where
- Switzerland
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Swiss Distance University of Applied Sciences