15 results
The main objective is to optimize the supplementation of vitamins and minerals to prevent postoperative deficiencies after MB / RYGB or GS on the long term. We also examined whether the number of outpatient visits, blood tests, and costs can be…
Primary objective of the study is to determine the effect of 2 different treatment strategies of vitamin D supplementation on 25(OH)D3 serum concentration after 12 months of supplementation. Secondary objectives are to determine the effects on the…
The goal of this study is to assess the prevalence of vitamin C deficiency in patients with end stage renal disease (Endogenous Creatinin Clearance (ECC) <20 ml/min) and in patients on various forms of renal replacement therapy: kidney…
Establishing the pharmacokinetics of intranasally and intramuscularly administered cobalamin in elderly.
The primary objective of the study is to compare the absorption of MK-7 after intake of 3 different MK-7 supplements.
To evaluate the effect of cholecalciferol supplection on the systolic blood pressure in hypertensive patients with a 25-hydroxycholecalciferol insufficiency. Secondly, the effects on PRA, aldosteron, 25-hydroxycholecalciferol, alkaline phosphatase,…
Determination of prevalence of vitamin D deficiency in intellectually disabled people from 19 to 50 years old.Determine if specific risk factors in this population are associated with vitamin D deficiency.Check if the advice of the Dutch Health…
The aim of the present study is to compare the effect of consumption of a fruit beverage on plasma antioxidant capacity with that of the consumption of fruit.
To study the effect of a vitamin K-containing food supplement on osteocalcin carboxylation in healthy children between 6 and 10 years of age in the Netherlands.
This study aims to investigate if optimal personalized consultation by a dietician for a healthy diet focused on food which contains sufficient vitamins and minerals improves gastrointestinal symptoms as determined by an improved score in the…
This study aims to investigate if the proportion of NET patients with normal vitamin values can be increased, with vitamin suppletion and a personalized diet, measured with quantitative analysis of blood and urine. Secondary aims are an improvement…
The main objective of this study is to investigate if 800 IU or 1600 IU vitamin D is needed to reach adequate levels of vitamin D after 3 months of treatment in at least 80% of the patients with severe mental illness (patients with SMI) between 18…
To investigate the feasibility of Bergström needle biopsies of the vastus lateralis muscle, and NIRS measurements of the gastrocnemius muscle in post-ICU patients.
To study the effect of vitamin K supplementation on calcification propensity and vitamin K status in RTRs with vitamin K deficiency.
The objective of this study is to establish the optimal intranasal cobalamin dosing regimen in elderly.