Clinical trials: Iron Absorption
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, Anemia
Iron Absorption From Rice Fortified With Ferric Pyrophosphate
Ferric pyrophosphate (FePP) is a water-insoluble, food grade iron compound used to fortify rice, infant cereals and chocolate-drink powders as it causes no organoleptic changes to the food vehicle.
- Conditions
- Iron Deficiency, Anemia, Iron Deficiency Anemia
- Trial name
- NCT02176759
- Testing
- Administration of rice fortified with regular FePP, Administration of rice fortified with regular FePP with citrate added during extrusion, Administration of rice fortified with regular FePP and citrate added at consumption
- Where
- Switzerland
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Swiss Federal Institute of Technology
Iron-deficiency
Iron Absorption and Variations of Iron Status, Hepcidin, Inflammation and Sex Hormones During the Menstrual Cycle
Iron supplementation is the first line of treatment of iron deficiency in most women, but we do not know when the best time is to supplement in the context of the menstrual cycle.
- Trial name
- MBL_Abs (NCT05580783)
- Testing
- Test meal labelled with 54Fe, Test meal labelled with 57Fe, Test meal labelled with 58Fe
- Where
- Switzerland
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Isabelle Herter-Aeberli
Iron Deficiency
Iron Absorption From GDS Capsules II
Slow release iron capsules containing ferrous sulfate have been designed based on the gastric delivery system. Iron absorption from those capsules administered with and without meals will be measured using stable iron isotopes.
- Trial name
- NCT01985386
- Testing
- GDS capsule with meal, Ferrous sulfate with meal
- Where
- Switzerland
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Swiss Federal Institute of Technology
Iron Deficiency
Iron Absorption From GDS Capsules
Slow release iron capsules have been designed based on the gastric delivery system. Iron absorption from those capsules administered with and without meals will be measured using stable iron isotopes.
- Trial name
- NCT01874496
- Testing
- GDS, no meal, GDS, meal, control, no meal
- Where
- Switzerland
- Volunteers
- 4 people, healthy volunteers welcome
- Sponsor
- Swiss Federal Institute of Technology
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 (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
Iron Absorption in Presence of Polyphenols
Polyphenols in Sorghum and Iron Absorption
Iron deficiency and iron deficiency anemia are two major public health problems in developing countries. In these countries, the use of monotonous plant-based diets, low in animal source food but high in iron absorption…
- Trial name
- NCT01162616
- Testing
- labeled iron solutions
- Where
- Switzerland
- Volunteers
- 50 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
Iron Deficiency
Relative Contributions of Red Cell Catabolism and Dietary Absorption to Fetal Iron Accretion During Pregnancy
The two specific aims of this study are 1) to assess the relative contributions of two major maternal iron sources (i.e. dietary iron intake and red cell catabolism) at supplying iron to the fetus, and 2) to determine the impact…
- Trial name
- NCT01588665
- Where
- United States
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- Cornell University
Nutritional Deficiency
Bioavailability of Zinc and Iron From a Whey-based Protein Supplement Consumed With a Habitual Plant-based Diet
Bioavailability of iron and zinc from habitual plant-based diets consumed by young children in Mexico is low due to the high phytate content.
- Trial name
- NCT02208622
- Testing
- Study 1: Whey Supplement Day 1, Study 1: Whey Supplement Day 2, Study 2: Whey Supplement
- Where
- 2 sites in United States, Mexico
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Obesity, Iron Deficiency
Iron Absorption and Losses in Young South African Women Living Without and With Overweight and Obesity
Young women living with obesity (OB) have a greater risk of developing iron deficiency. Plus, the risk of anemia and/or ID in young women living with overweight (OW) and obesity (OB) is further increased by inadequate dietary…
- Conditions
- Obesity, Iron Deficiency, Inflammation
- Trial name
- RAYON (NCT07081152)
- Testing
- Ferrous sulfate
- Where
- South Africa
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Linda Malan
Anemia, Iron-deficiency
The Effect of Human Milk Oligosaccharides and Galacto-oligosaccharides on Iron Absorption in Kenyan Infants
Effective and safe strategies to deliver iron to infants and young children in Sub-Saharan Africa are urgently needed. One potential strategy to improve safety of iron fortification is to limit the total amount of unabsorbed iron…
- Trial name
- FeHMOGOS (NCT04163406)
- Testing
- ferrous fumarate, ferrous fumarate + GOS, ferrous fumarate + HMOs
- Where
- Kenya
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Swiss Federal Institute of Technology
Enrichment of Blood
Iron Absorption From Biofortified Beans With Different Levels of Phytic Acid
Iron deficiency and iron deficiency anemia are among the major health problems in the developing world. Women of childbearing age as well as children are the most vulnerable population groups.
- Trial name
- NCT01521273
- Testing
- Bean varieties
- Where
- Rwanda
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Swiss Federal Institute of Technology
Obesity
Omega-3 Fatty Acid Supplementation and Fractional Iron Absorption in Obese South African Women
In South Africa the prevalence of obesity in women of reproductive age is high; these women also have a high risk for iron deficiency (ID).
- Trial name
- NCT05220735
- Testing
- Omega-3 long chain polyunsaturated fatty acids (n-3 LCPUFA)
- Where
- South Africa
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- Swiss Federal Institute of Technology
Iron-deficiency, Iron Deficiency Anemia
Meals to Improve Absorption of Iron Supplements
One of the targeted objectives of Healthy People 2020 is to reduce iron deficiency among women of reproductive age (WRA). Consuming foods rich in iron and/or oral iron supplementation is typically recommended to improve iron…
- Conditions
- Iron-deficiency, Iron Deficiency Anemia, Iron Deficiency Anemia Treatment
- Trial name
- NCT04793906
- Testing
- Iron supplement with a lunch meal containing beef, Iron supplement with a lunch meal containing plant-based alternative
- Where
- United States
- Volunteers
- 59 people, healthy volunteers welcome
- Sponsor
- Pennington Biomedical Research Center
Iron Deficiency (Without Anemia)
Absorption of Iron From Stabilized Lactoferrin: A Study in Women With Iron Deficiency
Lactoferrin (LF) is a natural iron-binding protein found in milk. It exists either in an iron-free state (apo-LF) or bound to iron (holo-LF).
- Trial name
- LOBSTER (NCT07394972)
- Testing
- FeSO4 + meal-matrix, FeSO4 + native LF + meal-matrix, FeSO4 + NaCas-LF + meal-matrix
- Where
- Switzerland
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Nicole Stoffel
Iron Deficiency
Absorption, Stable Isotope Appearance and Non-transferrin-bound Iron (NTBI) Profile From NaFeEDTA and Ferrous Sulphate
Several iron compounds are used for fortification, including ferrous sulphate and NaFeEDTA. The absorption profile of these may differ because of differences in their dissolution in the gastrointestinal tract and in their…
- Trial name
- SIA (NCT01053442)
- Testing
- Porridge fortified with either NaFeEDTA, FeSO4
- Where
- Switzerland
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- Swiss Federal Institute of Technology
Iron Deficiency
Iron Absorption From Tef-injera in Women of Reproductive Age
Anemia is one of the most common health problems all over the world with around half of preschool-aged children (<5 years) and one third of women affected.
- Trial name
- NCT01687062
- Testing
- FeSO4, reduction of phytate, NaFeEDTA
- Where
- Switzerland
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Swiss Federal Institute of Technology
Iron Absorption
Iron Absorption From Iron Enriched Aspergillus Oryzae in Females Using Stable Isotope Methodology
The objective of this study was to compare the iron absorption from ferric pyrophosphate enriched Aspergillus oryzae (ASP-p) to commonly used ferric pyrophosphate (FePP) and ferrous sulfate (FeSO4) when fortified in chicken…
- Trial name
- NCT03586245
- Testing
- Ferric pyrophosphate, Aspiron, Ferrous sulfate
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Iowa State University