Vitamin D Clinical Trials
A listing of Vitamin D medical research trials actively recruiting patient volunteers. Search for closest city to find more detailed information on a research study in your area.
Found 91 clinical trials
Effect of Combined Probiotics and Vitamin D on Symptoms of Allergic Rhinitis
The goal of this clinical trial is to learn if taking probiotics, vitamin D, or both together can help lower symptoms of allergic rhinitis (AR) and improve quality of life in adults. Allergic rhinitis is a condition that causes sneezing, nasal congestion, and itchy or watery eyes. The main questions …
Effects of Vitamin D and Prebiotic Supplementation on Glucose Control During Pregnancy
The goal of this randomized, double-blind, placebo-controlled study included pregnant women at high risk of GDM at 6-15 weeks of gestation is to investigate whether supplementation with vitamin D (1600 IU per day) or prebiotics (inulin, 10 gram per day) during pregnancy has beneficial effects on controlling blood glucose during …
Effect of Vitamin D on Ovulation Rate in Women With Polycystic Ovary Syndrome
This is a randomized double-blind controlled trial on the effect of vitamin D supplementation to assess the ovulation rate of women with polycystic ovary syndrome (PCOS) and other reproductive, endocrine and metabolic outcomes after one year of treatment.
Vitamin D, Epigallocatechin Gallate, D-chiro-inositol and Vitamin B6 in Uterine Fibroid
The study will evaluate the impact on uterine fibroids' volume of a combination of natural molecules including Epigallocatechin gallate, Vitamin D, D-chiro-inositol and Vitamin B6. The patients will be evaluated at baseline and after three months of treatment with placebo or product.
Effects Of Vitamin D On Bone, Muscle, And Adipose Tissue In Obese Subjects
Obesity has emerged as a risk factor in the onset of bone, muscle and adipose tissue impairments that are further aggravated by vitamin D deficiency. A link of an active bone-muscle-adipose axis is represented by Wnt pathway. This study will test the hypothesis that vitamin D improves bone, muscle, and …
The Effectiveness of Vitamin D Supplementation in Patients With End-stage Knee Osteoarthritis
Osteoarthritis (OA) knee is one of the commonest chronic degenerative conditions. It causes disability in elderlies due to pain and stiffness. The prevalence of radiologic knee osteoarthritis increases in proportion to age, reaching an astounding 64.1% for patients who are over 60 years of age. In 2021, there were over …
Effect of Vitamin D as Adjuvant Therapy in Preterm Infants With Neonatal Sepsis
The goal of this clinical trial is to learn the effect of vitamin D as an adjunctive therapy for preterm neonates with sepsis measured by the outcomes, which are sepsis score and C-reactive protein after 7 days. The main questions it aims to answer are: Is there a difference in …
Effects of Vitamin D and Calcium on Hyperglycemia and Dyslipidemia in Patients Gestational Diabetes
Gestational diabetes mellitus (GDM) is becoming more common globally as a metabolic disease that occurs during pregnancy and influences the mother and the fetus. It has been linked to preeclampsia, C-section, and a higher lifetime risk of developing type 2 diabetes both for mother and the child. Another complication of …
Effect of Vitamin D on Cardiovascular Metabolic Risk in Overweight/Obesity Adolescents in China
The goal of this randomized controlled clinical trial is to investigate the effects of vitamin D3 supplementation on cardiometabolic risk in Chinese adolescents with overweight/obesity and vitamin D deficiency. The main question it aims to answer whether vitamin D3 supplementation can improve cardiovascular metabolic health. Participants in the intervention group …
Effects of Early Vitamin D3 Supplementation on Clinical Outcomes for Critically Ill Patients
There are no clear international guidelines for dosing vitamin D based on deficiency severity. Therefore, a new clinical trial is needed to evaluate the benefits of early vitamin D supplementation in maintaining sufficient levels for critically ill patients. The investigators conducted a multicenter clinical trial in Taiwan focusing on vitamin …
