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 87 clinical trials
Vitamin D Homeostasis in Sarcoidosis
This study evaluates the relationship between vitamin-D status and severity of sarcoidosis, and the effects of vitamin-D repletion in vitamin-D insufficient patients with sarcoidosis. Half the patients with sarcoidosis who are vitamin-D insufficient will receive standard vitamin-D supplementation via standard regimen while the other half will receive a placebo. Sarcoidosis …
Vitamin D Supplementation in Acne
The goal of this clinical trial is to compare in acne vulgaris patients. The main question it aims to answer is: • To assess the therapeutic benefit of vitamin D supplement in acne vulgaris treatment, following a 2-month treatment regimen that includes vitamin D supplementation compared to conventional (systemic azithromycin …
Vitamin D Replacement in Bronchiectasis
This study seeks to address the limitations in previous related studies on vitamin D replacement and bronchiectasis exacerbation occurrence through a self-controlled pilot study. The investigators aim to investigate whether vitamin D replacement in bronchiectasis patients with vitamin D deficiency can reduce hospitalized bronchiectasis exacerbation occurrence. Patients who participated in …
Vitamin D for Critically Traumatic Patients
Trauma has been an important global public health issue. Yet it is the sixth cause of death in Taiwan, trauma brings great negative impact to national productivity since it presents specifically as the leading cause of death for the population aged below 40 years. According to the national databank from …
Epigenetic Memory of Vitamin D Supplementation
The investigators will study the mechanistic details of dietary programming of the epigenome at the example of epigenetic programming of primary human immune cells with the micronutrient vitamin D3. They will follow a small number of healthy adult volunteers individually over time while measuring per individual a large number of …
Impact of Vitamin D Supplementation on the Rate of Pathologic Complete Response in Vitamin D Deficient Patients
A two arm pilot study investigating the rate of pathologic complete response in patients with vitamin D deficiency and triple negative breast cancer undergoing standard neoadjuvant chemotherapy + vitamin D supplementation, including an observational arm to describe response in patients who are not deficient. Investigators hypothesize that vitamin D supplementation …
Effect of Preoperative Vitamin D Supplementation in Liver Transplant Recipients With Vitamin D Deficiency on Post Transplant Outcomes
Liver transplantation (LT) remains the ultimate option to cure intractable end stage liver disease. Vitamin D deficiency is very common in these subsets of patients. Vitamin D is involved in calcium metabolism and bone mineralization, regulation of cytokines, immunomodulation, cellular proliferation and differentiation. Its deficiency can lead to immune dysregulation, …
Vitamin D to Improve Quadricep Muscle Strength
Quadriceps muscle strength is one of the key determinants for patients to fulfill the Return-to-Play (RTP) criteria after an anterior cruciate ligament reconstruction (ACLR), in which the muscle size is directly linked to muscle strength. Quadriceps muscle atrophy is unavoidable after ACLR, but the rehabilitation program should increase quadriceps muscle …
Vitamin D and Polycystic Ovarian Syndrome (PCOS)
Primary Objectives: To evaluate the efficacy of metformin and Vitamin D supplementation on serum insulin and serum androgen levels (Total testosterone, Steroid Hormone Binding Globulin, Free Androgen Index) levels compared metformin alone in infertile Poly cystic ovarian females of reproductive age group. Secondary Objectives: To measure change in endometrial thickness/number …
Vitamin D and Calcium Supplementation in Breast Cancer
This study aims at assessing the vitamin Dstatus in breast cancer patients who receive letrozole for more than two months and to evaluate effects of vitamin D3 and calcium supplementation on arthalgia caused by letrozole on these patients.
