Clinical trials: Zinc Absorption
Malnutrition
Exchangeable Zinc Pool Size and Zn Absorption From Sprinkles and Traditional Foods in Pakistani Infants /Toddlers
The broad objective is to improve zinc status in older infants and young children who are at risk of zinc deficiency because of combination of inadequate dietary zinc intake and high rates of diarrhea.
- Trial name
- NCT01541696
- Where
- Pakistan
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Aga Khan University
Environmental Enteric Dysfunction, Zinc Deficiency
Effects of EED on Zn Absorption and Retention in Children From a Standard Dose
The overall objective is to determine the impact of EED on zinc absorption and homeostasis, and its impact on the absorptive capacity of vitamin A absorption of young children (18-24 months of age) in an austere setting with high…
- Conditions
- Environmental Enteric Dysfunction, Zinc Deficiency, Vitamin A Deficiency
- Trial name
- ZEED1 (NCT02760095)
- Testing
- 3 mg zinc sulfate supplement, 0.5 mg of 13C10-retinyl-acetate
- Where
- 2 sites in United States, Bangladesh
- Volunteers
- 46 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Zinc Absorption
Zinc Absorption in Flakes Derived from Sprouted or Hydrothermally Processed Wheat
The aim of this project is to investigate whether the increased zinc bio-accessibility values in sprouted or hydrothermally processed wheat is reflected in an increased zinc absorption in human subjects after consuming breakfast…
- Trial name
- Wheatflakes (NCT06236620)
- Testing
- Processing of wheat
- Where
- Belgium
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- KU Leuven
Study Not Related to a Disease. Nutrition Study Without Drug Administration.
The Influence of Different Food Componente on Zinc Absorption in Young Adults Consuming Zinc Fortified Porridges Prepared From Maize, Beans and Sorghum: a Series of Six Similar Randomized, Single-blind Studies
The influence of different food componente on zinc absorption in young adults consuming zinc fortified porridge's prepared from maize, beans and sorghum: a series of six similar randomized, single-blind studies.
- Trial name
- NCT01210794
- Where
- Switzerland
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- University of Zurich
Cystic Fibrosis
Zinc Homeostasis and Kinetics in Children With Cystic Fibrosis (CF)
Zinc deficiency has occasionally been reported in CF, but the need for additional zinc is unclear. We will examine the effect of additional zinc supplements on zinc absorption, zinc excretion, zinc balance and zinc kinetics in…
- Trial name
- NCT00104494
- Testing
- Zinc acetate (20mg/d)
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Cystic Fibrosis Foundation
Mineral Absorption
Evaluation of Calcium, Vitamin D, Magnesium, and Zinc Absorption in Children
The goal of our research is to provide data to enhance the development of nutritional guidelines, especially as related to mineral nutrition, in children.
- Trial name
- NCT00868738
- Testing
- Vitamin D
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Baylor College of Medicine
Malnourished Children
Zinc Absorption From Zinc Biofortified Rice in Bangladeshi Children
It is well documented that zinc supplementation to low-income population results in the reduced incidence of childhood diarrhoea and pneumonia, and improves growth of stunted children.
- Trial name
- NCT04099849
- Testing
- Diet-ZnBfR: Zinc biofortified rice-based diet, Diet- CR: Conventional rice-based diet, CR + Zn: Conventional rice-based diet plus zinc fortificant (Diet-CR+Z).
- Where
- Bangladesh
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- International Centre for Diarrhoeal Disease Research, Bangladesh
Fractional Zinc Absorption
Determination of Pre-Absorptive Dissociation of Zinc From a Zinc Amino Acid Complex in Healthy Men
Zinc may be absorbed from diet via zinc transporter mediated pathways, or, when coupled with amino acids, via amino acid transporter pathways.
- Trial name
- NCT03934346
- Testing
- Zinc amino acid complex
- Where
- United States
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- UCSF Benioff Children's Hospital Oakland
Zinc Absorption, Iron Absorption
Zinc and Iron Absorption From Common Beans in Young Adult Women
Fifteen female study participants will be enrolled in a randomized crossover study to measure fractional and total zinc and iron absorption from four common bean (Phaseolus vulgaris) varieties with varying phytate and…
- Trial name
- NCT06327529
- Testing
- SER 118, LMP 1001, LPA 586
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- University of California, Davis
Environmental Enteric Dysfunction, Zinc Deficiency
Effects of EED on Zn Absorption and Retention in Children From a MNP
The overall objective is to determine the impact of EED on total daily zinc absorption of young Bangladeshi children (18-24 months of age) in an austere setting with high rates of diarrhea, stunting, and micro-nutrient…
- Trial name
- ZEED2 (NCT02758444)
- Testing
- Micronutrient Powder (MNP) + 15 mg Zn, MNP + 10 mg Zn, MNP + 5 mg Zn
- Where
- 2 sites in United States, Bangladesh
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
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
Malnourished Children
Zinc Absorption From Zinc Biofortified Rice
a. To measure the amount of zinc absorbed from ZnBfR compared with the amount absorbed from CR and from CR fortified with added zinc, using the triple stable isotope tracer ratio technique in young children.
- Trial name
- NCT01346722
- Testing
- Diet-ZnBfR, Diet- CR, CR + Zn
- Where
- Bangladesh
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- International Centre for Diarrhoeal Disease Research, Bangladesh
Nutritional Deficiency
Zinc Bioavailability From Amaranth-enriched Maize Tortillas
Young children in Guatemala are at risk for nutrient deficiencies due to plant-based diets and poor sanitation. Stunting, frequent diarrhea, and respiratory infections are common.
- Trial name
- NCT02208609
- Testing
- Day 1: Maize Tortillas with 20% Amaranth, Day 2 Maize Tortillas without 20% Amaranth
- Where
- 2 sites in United States, Guatemala
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Fractional Absorption of Zinc (Focus of the Study)
Zinc Absorption From Fortified Water
A water purifying system, called LifeStrawFamily (LSF), able to fortify water with zinc to a concentration of 4 mg/l has been developed.
- Trial name
- NCT01636583
- Testing
- LSF water without meal, LSF water and inhibitory meal, Fortified inhibitory meal with water
- Where
- Switzerland
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Swiss Federal Institute of Technology
Healthy
Zinc Absorption From Zinc Citrate, Zinc Gluconate and Zinc Oxide
The goal of this trial is to evaluate zinc citrate, a zinc compound with promising sensory properties and a high zinc content, as an alternative zinc compound to be used for supplementation or food fortification.
- Trial name
- NCT01576627
- Testing
- zinc citrate, Zinc Gluconate, Zinc oxide
- Where
- Switzerland
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Prof. Michael B. Zimmermann
Healthy
Zinc Absorption From Biofortified Rice
One of the newest strategies to combat micronutrient deficiencies is the biofortification of staple foods, where higher levels of minerals are obtained through breeding of staple crops.
- Trial name
- NCT01633450
- Testing
- Zinc biofortified rice, Rice extrinsically fortified with zinc
- Where
- Switzerland
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Swiss Federal Institute of Technology
Nutritional Deficiency
Absorption of Zinc (Zn) From Zn-biofortified and Zn-fortified Maize in Young Zambian Children Between 24-36 Months
The objective of this study is to compare the quantity of Zn absorbed from an accurately weighed quantity (~100 g) of minimally milled control maize (~15 µg Zn/g maize), from biofortified maize (~30 µg Zn/g) and from the same…
- Trial name
- HPZM (NCT02208635)
- Testing
- Biofortified Maize, Fortified Maize, Control Maize
- Where
- 2 sites in United States, Zambia
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Dietary Zinc Absorption
Effects of Dietary Folate and Phytate Zinc Absorption: Zinc Amino Acid Complexes vs. Zinc-chloride
The purpose of this study is to determine the effects of consuming a small breakfast of juice and toast with added phytate or with taking a folic acid supplement on the absorption of a small amount of zinc that is either bound to…
- Trial name
- NCT05273710
- Testing
- Regular toast and juice, High phytate toast and juice, Regular toast and juice, with folic acid
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of California, Berkeley
Chronic Obstructive Pulmonary Disease, Cor Pulmonale
Small Intestinal Absorption in Patients With Chronic Obstructive Pulmonary Disease and Cor Pulmonale
Aim: To investigate whether patients with pulmonary hypertension have reduced absorption capacity compared to COPD patients without cor pulmonale potentially due to venous obstruction in the portal vein system.
- Trial name
- NCT03243994
- Testing
- Absorption test with D-xylose and zink
- Volunteers
- 14 people
- Sponsor
- Jens Rikardt Andersen
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