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
Vitamin D and Endometrial Receptivity in Infertile Women
This is a prospective study comparing vaginal and endometrial biomarkers and the trophoblast spheroid attachment rate in women with fertility problems before and after taking Vitamin D for 8 weeks.
Vitamin D in Dialysis Patients - Diagnostic and Therapeutic Management
The goal of this observational study is to learn about the effects of cholecalciferol administration, according to guidelines for the general population, on laboratory parameters of Chronic Kidney Disease-Mineral and Bone Disorder in dialysis patients, depending of the attained levels of vitamin D (25OH)D). The main question it aims to …
Vitamin D and Health Status of British African-Caribbean Women
Vitamin D deficiency remains a global public health issue (Wilson 2017). In the United Kingdom (UK). There is a lack of research looking at vitamin D status of the British African-Caribbean population. This population is particularly at risk to vitamin D deficiency due to possessing a skin type which hinders …
Correlation Vitamin D Level to Endocrine Autoimmune Toxicity Due to Immune Checkpoint Inhibitors
The purpose of this research study is to see if the amount of vitamin D in ones blood makes it more or less likely to develop thyroid gland toxicity when being treated with immunotherapy that blocks the activity of proteins called programed death-1(PD-1) or programmed death ligand-1 (PD-L1). Immunotherapy is …
Vitamin B12, Folic Acid and Vitamin D Status in Women of Reproductive Age
This cross-sectional observational study aims to assess serum concentrations of vitamin B12, folic acid, and vitamin D in women of reproductive age in Herzegovina. The study is led by Professor Vajdana Tomić, MD, PhD, who serves as the Principal Investigator, at the Faculty of Health Studies, University of Mostar, Bosnia …
Vitamin B12, Folic Acid, and Vitamin D Status in Women of Reproductive Age
This cross-sectional observational study aims to assess serum concentrations of vitamin B12, folic acid, and vitamin D in women of reproductive age in Herzegovina. The study is led by Professor Vajdana Tomić, MD, PhD, who serves as the Principal Investigator, at the Faculty of Health Studies, University of Mostar, Bosnia …
Evaluation of Adherence With Bisphosphonates and Calcium and Vitamin D Supplements in Women With Postmenopausal Osteoporosis
This study aims to evaluate the adherence of patients to combined treatment with bisphosphonates and calcium and vitamin D supplements, which is one of the usual treatments for postmenopausal osteoporosis. The study will consist of a single visit that will coincide with one of the patient's usual follow-up visits according …
Study to Document the Phenomenon of Vitamin D Deficiency and Its Added Value in Patients with Low-energy Osteoporotic Hip Fracture, in Daily Practice in Greece.
Vitamin D, through its action on calcium metabolism, is essential for bone physiology. Vitamin D deficiency can affect muscle function and increase the risk of falls in the elderly, while severe deficiency is common in patients with fragility fractures. Vitamin D and calcium supplementation, in addition to anti-osteoporosis treatment after …
Investigating the Relationship Between Temporal Bone CT, Bone Density, and Hearing Loss in Otosclerosis Patients
The goal of this observational case-control study is to evaluate the relationship between temporal bone computed tomography (CT) findings, bone mineral density (BMD), and audiological parameters in adults diagnosed with otosclerosis. The main questions it aims to answer are: Is there a correlation between temporal bone CT density values and …
Bone Outcomes, Obesity, Sunlight, and Trauma in Children
Prospective case-control study of children (3-15 years) after low-energy trauma. We compare serum bone metabolic markers (25OHD, PTH, ALP, calcium, phosphate), BMI/percentile, and dietary calcium intake between fracture and non-fracture presentations. Blood is collected within 7 days (non-fasting; samples on ice for PTH). Primary aim: association of ALP and calcium …
