Active clinical trials for "Avitaminosis"

In an ageing population, the need for interventions to help older people remain healthy, active and independent for as long as possible, increases. Although several studies suggest a beneficial effect of vitamin D3 on maintaining or improving muscle strength and physical functioning, particularly in vulnerable populations, results are contradicting. Randomized, placebo-controlled trials are needed to further establish the effect of vitamin D on muscle strength in the frail elderly population.The primary aim of this study is to determine the effect of daily supplementation with two different forms of vitamin D on muscle strength in frail elderly people over a period of 24 weeks.

The optimal vitamin D replacement dose during pregnancy remains undefined. Therefore, the aim of this study is to test the hypothesis that a daily equivalent dose of vitamin D of 3,000 IU/day is needed for Middle Eastern women, to optimize maternal vitamin D level and neonatal musculoskeletal parameters, specifically knee-heel length at birth and bone mineral content at one month of age.

The incidence of type 2 diabetes mellitus and obesity is increasing at an alarming rate both nationally and worldwide. Accumulating evidence suggests that serum cholecalciferol levels may be inversely related to the prevalence of diabetes, insulin resistance and metabolic syndrome. However, to demonstrate a causal relation between vitamin D and glucose metabolism, evidence from randomized and adequately powered placebo-controlled intervention trials is needed.The trials available on the effect of Vitamin D supplementation are not conclusive. Hence, the purpose of this study was to conduct a double-blind randomized trial in Vitamin D deficient obese type 2 diabetic Emirati population to clarify the effect of vitamin D supplementation on glycemic control and obesity parameters.

The purpose of this study is to evaluate the most effective treatment for patients who underwent a Roux-en-Y gastric bypass and developed postoperatively a vitamin B12 deficiency.

This study aims to evaluate the effect of vitamin D3 supplementation on disease activity and quality of life in IBD patients deficient in vitamin D, and also help determine the optimal dose of vitamin D3 for them. Hypothesis: Supplementation of vitamin D3 in IBD patients with hypovitaminosis D can improve their quality of life and decrease IBD activity.

The importance of vitamin D (VitD) in the prevention and treatment of human health conditions has gained increased attention in recent years. As a result, medical providers of all categories are screening clinical VitD status frequently, yet become challenged with how to best advise patients regarding repletion of VitD status, i.e. which form of VitD replacement is most effective. It has been recognized that to achieve significant effects - serum concentrations >30ng/ml (75 nmol/ml) - it is necessary, as well as safe, to recommend substantially higher doses than were previously thought sufficient. These higher doses can be easily achieved orally. This clinical trial aims to compare absorption of three available forms of this fat-soluble vitamin, due to the potential differences in absorption of different preparations. High-quality powdered, chewable and lipid-emulsified VitD are readily available as supplements, yet these have not been systematically compared. This three-arm, randomized clinical trial will compare the difference in serum 25-hydroxycholecalciferol (25-OH)D concentration between the three arms at baseline and after random administration of one of the three VitD preparations for 12-weeks at a dosage of 10,000 IU VitD per day. The investigators hypothesize that the three forms of vitD will result in an equivalent increase in serum 25OHD.

Vitamin D has been shown to impact prognosis in a variety of retrospective and randomized clinical trials within an intensive care unit (ICU) environment. Despite these findings, there have been no studies examining the impact of hypovitaminosis D in specialized neurocritical care units (NCCU). Given the often significant differences in the management of patients in NCCU and more generalized intensive care units there is a need for further inquiries into the impact of low vitamin D levels in this specific environment. This study proposes a randomized, double-blinded, placebo-controlled, single center evaluation of vitamin D supplementation in the emergent NCCU patient population. The primary outcome will involve length-of-stay for emergent neurocritical care patients. Various secondary outcomes, including in-hospital mortality, ICU length-of-stay, Glasgow Outcome Score on discharge, complications and quality-of-life metrics. Patients will be followed for 6 months post-discharge.

Fibromyalgia is a disease that significantly decreases the quality of life of people who suffer from it, has great repercussions at the socio-economic level due to the incapacity it produces. It is characterized by generalized pain, fatigue, sleep disorders, psychological stress and mental alterations, besides presenting painful points in different parts of the body to physical examination. Having few effective treatments is necessary to explore new options in their management to improve the general conditions of the patient. Previous studies have shown that patients with fibromyalgia have had low levels of vitamin D in the blood, a favorable response from post-vitamin D supplementation has been seen. This vitamin has been associated with pain pathways and with increased The perception of the same when it is in smaller amount. We will select patients with Fibromyalgia diagnosis from the external consultation of Rheumatology of the University Hospital "Dr. José Eleuterio González "of the UANL, over 18 years old who have not been previously supplemented with vitamin D, will initially be measured in blood of vitamin D, in addition to calcium as a safety measure, we will have a group that will only receive placebo and Another that will be supplemented with 50 thousand units weekly for 12 weeks, we will apply a questionnaire that measures pain scale and another one that measures the impact of the disease in the daily life of the patient, this will be done in a beginning and at the end of the 12 weeks .

The purpose of this project is to demonstrate the capability of a standing phototherapy kiosk (SPK) to stimulate cutaneous vitamin D3 and subsequent production of 25 Hydroxyvitamin (OH) D safely and as efficiently as an oral vitamin D3 supplement of 600 IU taken daily over a 10 week intervention period. We will conduct a randomized controlled trial with two treatment arms; ~120 volunteers will be assigned to either the SPK or to a 600 IU daily oral vitamin D3 supplement for 10 weeks. The SPK is an innovative, networked, self-care technology that stimulates endogenous vitamin D production with two ~2-minute treatments per month. It will be tested in an ambulatory setting where enrolled/assigned participants of various baseline levels of 25(OH)D will present for a treatment dose, based on Fitzpatrick skin type category, every other week for 10 weeks. The SPK does not produce a cosmetic tan or dispense pills.

Denosumab is a monoclonal antibody against RANKL ligand, which is used as an alternative treatment for osteoporosis in patients who have a poor response to first-line antiresorptive therapy. However, discontinuation of denosumab produces a rapid increase in bone turnover, bone loss and potentially increased risk of multiple vertebral fractures.