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Vitamin Deficiency Clinical Trials

A listing of Vitamin Deficiency medical research trials actively recruiting patient volunteers. Search for closest city to find more detailed information on a research study in your area.


Found (15) clinical trials

Multimodal Approach in IBD Patients

Patients with a confirmed diagnosis of IBD will be prospectively assessed on a yearly basis in order to assess relapse risk factors. Disease activity will be assessed using the Mayo score for UC patients and CDAI for Crohn's disease and endoscopic activity will be assessed using the Mayo endoscopic subscore ...

Phase N/A

The Effects of Discontinuation of Vitamin K Antagonists on the Rate of Elastin Degradation

Background: Elastin is a unique protein providing elasticity, resilience and deformability to dynamic tissues, such as lungs and vasculature. Elastin fibers are characterized by their high affinity for calcium. However, calcified elastin is more prone to the degrading effects of proteases and, in turn, partially degraded elastin has an even ...

Phase N/A

Vitamin D and Immune Mechanisms of Hypertension in Type 2 Diabetics

More than half of patients with type 2 diabetes mellitus develop hypertension, which doubles their risk for cardiovascular disease. Inflammation plays a role in the development of these diseases, and monocytes, a type of white blood cell, may be critical. This study will isolate monocytes from blood samples of patients ...

Phase N/A

Evaluation of Metabolic Predictors of Influenza Vaccine Immune Response in the Singapore Elderly Population - the DYNAMIC Trial

Novel, effective influenza vaccination strategies are needed in the elderly who have the highest rate of influenza-related morbidity and mortality. Vaccine efficacy in the elderly is reduced due to immunosenescence and/or, inflamm-aging. This phase IV clinical trial in 240 participants aims to evaluate metabolic predictors of influenza-vaccine specific immune response ...

Phase N/A

Vitamin D Level and Risk of Infections in Cirrhotic Patients

It is widely known that vitamin D has an important role in calcium metabolism and bone mineralization. Its deficiency is related to rickets and osteomalacia in children and adults respectively. Vitamin D had a role in innate and acquired immunity. It increases innate defense and modulates lymphocytes activation, leading to ...

Phase N/A

Is There Association Between Vitamin D Levels And Insulin Resistance In Polycystic Ovary Syndrome?

Polycystic ovary syndrome (PCOS) is the most common gynecological endocrinopathy among women of reproductive age. The prevalence of PCOS among such women is estimated to be 6.4% to 6.8% worldwide. PCOS is a heterogeneous androgen excess disorder with different degrees of reproductive and metabolic dysfunctions. There are many considerations to ...

Phase N/A

A Long-term Study to Describe the Use of PASCORBIN 7.5 g in Patients With Vitamin C Deficiency

The observational study began on 01 November 2012 and is scheduled for a period of 10 years continued (until 01 November 2022). The duration of the observational study for each patient is not fixed corresponding to the character of a non-interventional study. According to the underlying disease, characterized either acute ...

Phase N/A

Absorption of Transdermal Vitamins in Post Bariatric Surgery Patients

Patients will undergo either a sleeve gastrectomy or gastric bypass procedure. All patients enrolled will have previously chosen to use the Patch MD MultiVitamin Plus patch for vitamin and mineral supplementation versus oral or other dosage forms of vitamins after surgery. A conversation between the patient and provider will occur ...

Phase N/A

Resistance to Vitamin D or Parathyroid Hormone

Patients with confirmed or suspected states with resistance to vitamin D or parathyroid hormone (PTH) will be admitted for diagnosis and treatment and for inclusion in other protocols. These states include hypocalcemia, rickets, osteomalacia, pseudohypoparathyroidism. Resistance to a factor is manifested by deficient bioeffect despite high levels of the factor ...

Phase N/A

Rare Disease Patient Registry & Natural History Study - Coordination of Rare Diseases at Sanford

CoRDS collects contact, sociodemographic and health information about participants. This information is entered into CoRDS and linked to a unique coded identifier. Below are some examples of information requested on the Questionnaire that will be entered into CoRDS: Contact information: Name, Mailing Address, Phone Number, Email Address Sociodemographic information: Date ...

Phase N/A