View clinical trials related to Avitaminosis.
Filter by:Patients with hypovitaminosis D are randomized into three arms of treatment: Group A: Calcifediol 0,266mg each month Group B: Cholecalciferol 25000UI each 15 days Group C: Calcifediol 4 drops per day. Serum levels of vitamin D are dosed after one month of treatment
1. Title 2. Executive team 3. Research line 4. Summary 5. Research problem 6. Justification 7. Literature review 8. Objectives 9. Materials and methods 10. Dissemination of knowledge generated 11. Schedule of activities 12. Budget 13. References 14. Annexes
Older adults are susceptible to vitamin and mineral deficiencies for a variety of reasons and have an increased demand for many of these micronutrients. Multivitamin/multimineral supplement offer a simple way for adults to improve nutrient intake, but their ability to measurably affect micronutrient status in older adults has never been explored. This study intends to recruit healthy, non-smoking men aged 65 years or older. After meeting entry criteria, subjects will be required to restrict the use of supplements and/or fortified foods. Two months after these restrictions have begun, subjects will come to the clinical research center to take cognitive tests, undergo activity monitoring, provide blood samples for nutrition testing, and take food frequency questionnaires. Subjects will then be randomized into one of two groups - one consuming a multivitamin/multimineral supplement (Centrum Silver Mens Formula); another consuming an inert placebo tablet. Subjects will consume 1 tablet each day for six months. After this period, subjects will return to the clinical research center and repeat cognitive tests, activity monitor, blood sampling, and food frequency questionnaires. These data will be assessed to determine if multivitamin consumption results in changes in various nutrients versus taking a placebo (primary outcomes), and may results in changes lipid and lipoprotein profiles, metabolic health, inflammation, blood pressure or cognitive function (secondary outcomes). The investigators expect that results of this study will add to the general understanding if multivitamin/multimineral formulas can improve nutrition status of older adults, and therefore have the capacity of altering markers of health.
The objectives in this study are to provide information on the efficacy of transdermal supplement patches on treating nutrient malabsorption and deficiency in post-op bariatric patients, and to determine short-term body composition, HbA1c and fasting plasma glucose outcomes for patients after bariatric surgery.
To determine the prevalence of hypovitaminosis D in HIV infected patients, and the consequences on secondary hyperparathyroidism, and bone mineral density (BMD). Also, to establish the improvement in vitamin D status, parathyroid hormone (PTH) and BMD, in case of receiving vitamin D supplementation, during a follow up period of at least 1 year.
The purpose of this study is to determine the value the additional antiproteinuric effects of vitamin D derivatives treatment, in patients with Chronic Kidney Illness phase II-IV, with lack of vitamin D and residual proteinuria higher 0,5 grams/day.
The aim of this 6 months study is to evaluate the metabolic effects of 400.000-600.000 IU of vitamin D supplementation in subjects with type 2 diabetes and hypovitaminosis D. The main hypothesis is that subjects with low levels of 25-OH-vitamin D will benefit from supplementation with cholecalciferol in sufficient doses to optimize serum levels.