Clinical Trials About "Global Feed Grade Vitamin Market Status Outlook 20182025" RSS

19:54 EDT 25th March 2019 | BioPortfolio

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Showing "Global Feed Grade Vitamin Market Status Outlook 20182025" Clinical Trials 1–25 of 9,100+

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Outlook: An Intervention to Improve Quality of Life in Serious Illness

This study will demonstrate whether an end-of-life preparation and completion intervention reduces anxiety, depression, pain and other symptoms and improves functional status, spiritual well-being, and quality of life. If effective, the intervention offers a brief, inexpensive, and transportable non-physician treatment method for improving the experience of individuals in the latter stages of life-limiting illness.


Underlying Causes of Low Vitamin K Status in Hemodialysis Patients

Studies have shown that patients with chronic kidney disease in hemodialysis have a low vitamin K status which is believed to be related to an increased risk of atherosclerosis and increased bleeding tendency. The underlying causes of low vitamin K status in hemodialysis patients is unknown. Thus, the aim of this study is to investigate why hemodialysis patients have a low vitamin K status and how to improve it. This study is composed of five trials. Four of them are based on ...

Challenges in Achieving Adequate Vitamin D Status in the Adult Population - Part 1

Seasonal variations in vitamin D status will be determined on a cohort of Slovenian adults using longitudinal study design, and association between vitamin D status and different Caucasian phototypes, skin colour and melanin index investigated .

The Effect of Vitamin D Supplements on Vitamin D Status, Cardiometabolic Health and Immune Defense in Danish Children

The main purpose of this study is to investigate whether and in which doses vitamin D intake is needed in order to maintain an adequate vitamin D status in 4-8 year-old Danish children during wintertime.

Vitamin D Status and Muscle Function

People living at Northern latitudes are at risk of suffering from vitamin D insufficiency due to low sun exposure and the risk may be even more pronounced among elite swimmers since indoor training further reduces sun exposure. In light of this, the investigators want to examine vitamin D status in young elite swimmers and if there is an association between vitamin D status and muscle strength.

Using Stable Isotopes to Assess the Effectiveness of Vitamin A Supplementation in Cameroon

This is a study to evaluate the effects of vitamin A supplementation program on the vitamin A status of preschool children. All children aged 3-5 years who do not have severe illness and are not planning to move from the study area are eligible. Children whose caregivers agree to sign the consent form will be enrolled in their community and submitted to a longitudinal evaluation of vitamin A status before and after vitamin A supplementation campaign. Vitamin A status will be a...

Effect of Different Vitamin D Vitamers on Vitamin D Status

Background: Dietary intake of vitamin D includes vitamin D3 (VitD3), 25-hydroxyvitamin D3 (25OHD3) and vitamin D2 (VitD2). However, the bioactivity of the different species is currently not scientifically established. Objective: The aim of this study was to test the hypothesis that VitD3, 25OHD3 and VitD2 affected vitamin D status equally in humans and if rejected, to estimate the difference in activity. Design: This study was designed as a 3 x 6 weeks (with 4 weeks run...

The Vitamin B Status in Type 2 Diabetes (VITA) Study

The objective of this study was to evaluate vitamin B deficiency (particularly vitamin B6 deficiency) in diabetic patients in Germany in relation to the presence or absence of proteinuria, and global vascular risk.

Estimation of Vitamin A Stores in Children and Women in Guatemala and Relation With Potential Toxicity Markers

The goal of this study is to assess whether 3-5 years-old children who have Vitamin A intakes above the tolerable upper intake level (UL=900 ug per day) have higher total body Vitamin A stores and biomarkers of excessive vitamin A status, compared to children with Normal Vitamin A intakes (250-600 ug per day).

Environmental Influences on Vitamin D Status

Vitamin D deficiency is a common problem. The principal source of vitamin D for humans is solar exposure, with cutaneous synthesis of vitamin D by photoconversion of 7-dehydrocholesterol in the skin to pre-vitamin D3. Latitude, altitude, season, skin pigmentation, and age are recognized factors that influence how much vitamin D can be made by solar exposure. However, the relative influences of each are largely unknown and we cannot reliably answer the question of how much sun ...

Challenges in Achieving Adequate Vitamin D Status in the Adult Population/ Part 2

The efficiency of different vitamin D formulations in treating suboptimal vitamin D status in adult population will be determined. It will provide insights into the influence of formulation on vitamin D absorption. A randomised controlled intervention trial will be conducted on at least 72 subjects (18-65 years) with suboptimal Vitamin D status. Subjects will be selected from a pool of subjects in Part 1 of the study, after completion of winter sampling. Study subjects ...

Effects of Vitamin D Status on the Outcome of Ivf - Embryo Transfer

At present, there is no agreement on the effect of vitamin D level in serum and follicular fluid on the outcome of IVF-ET pregnancy. Most of these studies were based on the research of total 25 (OH) D, which have ignored that the biological activity of vitamin D molecule is not total 25 (OH) D, but free vitamin D or vitamin D bioavailable, and have flaws in methodology. This project intends to make a prospective cohort study with large sample, based on a complete methodology of...

Getting Vitamin D Dosing Right

The investigators want to make sure that people get the right dose of Vitamin D treatment. They will therefore investigate how skin colour, body mass index, ethnicity, vitamin D binding protein and genetic variation affect the response to a standard course of vitamin D in young adults, as a prelude to further studies in younger children.

Vitamin D Supplementation During Pregnancy and Bone Status in Children at Birth and at One Year of Age

Vitamin D deficiency is frequently reported in pregnant women despite recommendation of daily vitamin D supplementation of 400IU/d. Recent studies have shown that in the absence of sun exposure these doses are seldom able to achieve 25(OH)D optimal serum levels. We hypothesize that larger doses of vitamin D are needed to be supplemented to all women during pregnancy. We hypothesize that this may have advantageous effects on maternal vitamin D and bone reserve as well on offspr...

The Effect of Patient Optimism & Pessimism on Recovery From Elective Cardiac Surgery

Before a heart operation, patient outlook may be either pessimistic or optimistic. Previous research on this topic has focused on patient reported quality of life but has never examined measurable clinical outcomes such as length of hospital stay.This pilot study hopes to establish whether patient outlook (optimistic or pessimistic) before a heart operation can influence recovery and length of hospital stay. If there is a difference, then a case can be made for providing psycho...

Vitamin D Deficiency Still Growing

Vitamin D deficiency has become one of the most prevalent health problems in modern society. However, there has been no study that has reported the trend of vitamin D status in Asia. This study investigated the trend of vitamin D status in Korea between 2008 and 2014. This study is based on a representative national database acquired from the Korea National Health and Nutrition Examination Surveys (KNHANES) conducted from 2008 to 2014. Serum 25-hydroxyvitamin D [25(OH)D] level...

Treatment of Vitamin D Insufficiency

The purpose of this study is to answer the following questions: Does vitamin D increase calcium absorption, bone mass and muscle mass and function in women past menopause who have mildly low vitamin D levels? Do these benefits require prescription-strength vitamin D, or is an over the counter vitamin D dose enough?

Mussel Intake and Vitamin D Status in Humans

A significant proportion of the United Kingdom population have inadequate levels of vitamin D in their blood. Vitamin D is a fat-soluble vitamin that is essential for the growth and maintenance of healthy bones through increasing dietary calcium absorption within the body. A low vitamin D status has also been associated with other diseases such as osteoporosis, cancer (especially colorectal cancer), cardiovascular disease and type 1 diabetes. Our skin is able to synthesise vita...

Antenatal Vitamin D3 Dose-finding and Safety Study

This is a preliminary study of oral vitamin D3 supplementation in pregnant and non-pregnant women of reproductive age in Bangladesh. The primary objective of the study is to identify a dose of vitamin D3 that can safely be administered during pregnancy to improve the vitamin D status of the mother and infant.

The Efficacy of Pro-vitamin A Biofortified Cassava on Vitamin A Status in Nigerian Preschool Children

The study comprises an open-label randomized controlled trial investigating the efficacy of consuming a daily ration of pro-vitamin A biofortified cassava on vitamin A status of Nigerian children, aged 3-4 years old (n=200).

Sunweavers: Supporting Native American Women's Vitamin D Research

Cardiovascular disease (CVD) and diabetes occur commonly among Native Americans (NA), and are leading causes of death among northern US NAs. Moreover, low vitamin D status occurs commonly in this same population. An increasing amount of evidence indicates a correlation between low vitamin D status and CVD and diabetes by contributing to a heightened pro-inflammatory environment within the endothelial lining of blood vessels leading to atherosclerotic disease, and an impaired se...

Vitamin D Supplementation and Immunity/Physical Performance

The purpose of this study is to examine the effect of vitamin D supplementation on vitamin D status, immunity and physical performance.

Vitamin D to Improve Outcomes by Leveraging Early Treatment: Long-term Brain Outcomes in Vitamin D Deficient Patients

This ancillary study will determine if early administration of a single high-dose (540,000 IU) oral vitamin D3 (cholecalciferol) treatment improves 12-month global cognition and executive function as determined by comprehensive neuropsychological testing in 140 critically ill patients with Vitamin D deficiency at enrollment.

Effect of Vitamin D-biofortified Eggs on Wintertime Serum 25-hydroxyvitamin D in Adults: Randomized Controlled Trial

While there have been a considerable number of studies on the impact of additional vitamin D in the diets of hens on the resulting egg vitamin D content, the effect of consumption of such vitamin D-enhanced eggs on vitamin D status of healthy human subjects has not been tested in a RCT.

Hepatitis c and Vitamin D and Iron Status

HCV is associated with vitamin D deficiency. Iron overload is frequently occurred in chronic hepatitis C patients; more than one third of HCV positive patients have elevated serum iron, ferritin, and transferrin which were linked to bad prognosis. Hepcidin is a regulatory peptide that is mainly synthesized by the liver cells and plays an important role in iron homeostasis. There is an interaction between iron metabolism and vitamin D metabolism. Iron is essential for vitamin D ...

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