Clinical trials: Iron Absorption
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
Vitamin A Deficiency
Impact of Consumption of Orange-fleshed Sweet Potatoes on the Vitamin A Status of Bangladeshi Women of Reproductive Age
The primary purpose of this study is to determine whether daily consumption of orange-fleshed sweet potatoes increases the vitamin A status of Bangladeshi women of reproductive age.
- Trial name
- NCT00453648
- Testing
- White-fleshed sweet potatoes, Orange-fleshed sweet potatoes (boiled), Orange-fleshed sweet potatoes (fried)
- Volunteers
- 130 people, healthy volunteers welcome
- Sponsor
- University of California, Davis
Iron Metabolism Disorders, Iron Overload
Inhibiting Dietary Iron Absorption in Subjects With Hereditary Hemochromatosis by a Natural Polyphenol Supplement
Polyphenolic compounds are very strong Inhibitors of non-heme iron absorption, as they form insoluble complexes with ferrous iron.
- Conditions
- Iron Metabolism Disorders, Iron Overload, Polyphenols
- Trial name
- NCT03990181
- Testing
- meal matrix & NPPS, meal matrix & CS, no-matrix & NPPS
- Where
- 2 sites in Portugal, Switzerland
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Swiss Federal Institute of Technology
Iron Deficiencies
Iron Absorption From Naturally Dephytinized Legumes
Consumption of less meat and more plant-based protein can greatly reduce the negative impact of food production on the environment. Studies show that vegan diets can decrease greenhouse gas emissions, land use, and water.
- Trial name
- LINDA (NCT06032832)
- Testing
- soy protein concentrate-meat analog, soy protein concentrate-meat analog_dephytinization, pork meat
- Where
- Switzerland
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- Diego Moretti
Healthy Participants, Non-anemic Children
Ferrous Fumarate and Ferric Pyrophosphate as Food Fortificants in Developing Countries
Iron fortification of foods is usually considered the most cost-effective approach to prevent iron deficiency. However, iron is the most difficult mineral to add to foods.
- Conditions
- Healthy Participants, Non-anemic Children, Helicobacter Pylori Infection
- Trial name
- NCT00867867
- Testing
- Ferrous fumarate, Ferric pyrophosphate
- Volunteers
- 235 people, healthy volunteers welcome
- Sponsor
- International Centre for Diarrhoeal Disease Research, Bangladesh
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
Iron Bioavailability
Assessment of Iron Absorption From Aspergillus Oryzae
The objective of this study was to compare the absorption of a new iron product, iron enriched Aspergillus oryzae to ferrous sulfate in humans using a double stable-isotope technique.
- Trial name
- NCT03156725
- Testing
- Ferrous Sulfate, Aspiron
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Iowa State University
Healthy Volunteer, Mothers
Serum Ferritin Concentration in Kenyan Women and Their Preschool Children at Which the Body Begins to Upregulate Iron Absorption From the Diet
Using standardized methods, the investigators will perform stable iron isotope absorption studies in young Kenyan women and their preschool children (2-5y of age) with varying iron status to measure iron absorption from maize…
- Conditions
- Healthy Volunteer, Mothers, Preschool Children
- Trial name
- NCT06655909
- Testing
- consumption of maize porridge containing stable iron isotope
- Where
- Kenya
- Volunteers
- 275 people, healthy volunteers welcome
- Sponsor
- Isabelle Herter-Aeberli
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 Absorption
The Effects of Acute Erythropoietin on Hepcidin and Dietary Iron Absorption Following Military-relevant Exercise in Energy Deficit: Pilot Study
Military personnel frequently experience declines in iron status during training and when in the field, which may compromise performance.
- Trial name
- IRON BOOST (NCT07517562)
- Testing
- Exercise test
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- Pennington Biomedical Research Center
Anemia, Iron-Deficiency
Tea Consumption and Iron Bioavailability in Women Using a Stable Isotope
The purpose of this study is to investigate the inhibition effect of tea consumption on non haem iron absorption with the use of an iron tracer.
- Trial name
- NCT02365103
- Testing
- Test meal I (given with water), Test meal II (simultaneously with tea), Test meal III (1 hour after test meal)
- Where
- United Kingdom
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University of Chester
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
Iron Absorption From Complementary Food Fortificants (CFFs) and Acceptability of CFFs by Beninese Children
Iron deficiency (ID) is still a main public health problem in sub-Saharan Africa. Iron deficient children have an increased risk for anemia which is associated with adverse infant development that might be partly irreversible.
- Trial name
- NCT01321099
- Testing
- NaFeEDTA, Phytase, Vitamin C
- Where
- Benin
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Swiss Federal Institute of Technology
Healthy
Evaluation of Fe Absorption From Iron Salt in Milk
The primary objective was: to compare iron absorption in apparently healthy children aged 3-6y from an instant full cream milk drink fortified with ferric pyrophosphate or ferric ammonium phosphate relative to ferrous sulfate as…
- Trial name
- NCT05642689
- Testing
- Iron fortified milk with iron salt labelled with 58Fe and 57Fe
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Société des Produits Nestlé (SPN)
Iron-deficiency
Effect of Polyphenols on Absorption of Iron From Sodium Iron Chlorophyllin
Polyphenols present in tea are known to inhibit the absorption of non heme iron. The inhibiting effect of tea on non-heme iron absorption is attributed to the flavonoids present in tea.
- Trial name
- polySIC (NCT04849832)
- Testing
- SIC, SIC + tea, FeSO4
- Where
- Switzerland
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Swiss Federal Institute of Technology
Blood Iron Isotope Enrichment
Impact of Bean Polyphenols and Phytic Acid on Iron Absorption
Recently isolated low PA varieties (lpa) in wheat, rice, maize, barley and beans might have the potential to alleviate iron bioavailability problems associated with PA.
- Trial name
- NCT01472484
- Testing
- 586/8x87 white, 586/8x87 brown, BAT 881
- Where
- Switzerland
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Swiss Federal Institute of Technology
Zinc Absorption, Iron Absorption
Guatemala Biofortified Maize Study
Zinc (Zn) and iron (Fe) deficiencies are common in Guatemala, and maize is a staple food throughout the country. The primary aim of this study is to demonstrate if utilizing nixtamalized biofortified maize has the potential to…
- Trial name
- NCT06650397
- Testing
- Biofortified maize
- Where
- Guatemala
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Iron-deficiency
Measuring Dietary Iron Absorption From Edible Insects and Assessing the Effect of Chitin Content on Iron Bioavailability (Study 1)
Due to the growing world population, there is a need to develop viable ecological and nutritional alternatives to animal food products.
- Trial name
- Sustironable1 (NCT04510831)
- Testing
- Refined maize with extrinsic addition of labelled FeSO4, T.molitor native chitin, T molitor reduced chitin
- Where
- Switzerland
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- Swiss Federal Institute of Technology
Nutritional Deficiency
Zinc and Iron Bioavailability From Biofortified Pearl Millet
Populations who consume non-fortified plant-based diets are at increased risk of iron and zinc deficiencies. The purpose of this randomized controlled study is to determine the absorption of iron and zinc from pearl millet…
- Trial name
- NCT01783067
- Testing
- Pearl millet, Biofortified pearl millet
- Where
- 2 sites in United States, India
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Iron Absorption, Bariatric Surgery
Iron Absorption Trial
Introduction: There are indications that the absorption of oral iron supplementation is reduced after a Roux- en -Y gastric bypass.
- Conditions
- Iron Absorption, Bariatric Surgery, Roux- en -y Gastric Bypass
- Trial name
- NCT02228902
- Testing
- Ferrous fumarate, Ferrous gluconate
- Where
- Netherlands
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Rijnstate Hospital