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 Status and Multi-Omics Profiles in Primary Osteoporosis
This observational study aims to explore the relationships between vitamin D status and genomic, proteomic, and metabolomic profiles in patients with primary osteoporosis. Eligible participants are adults who are newly diagnosed with primary osteoporosis at Yichang Second People's Hospital. Blood samples will be collected at the initial diagnosis to analyze …
25(OH)-Vitamin D and Its Association With Structural and Functional Parameters in Hospitalized Patients With Neurological Diseases
The NeuroVitD study aims to assess vitamin D levels in hospitalized cohorts with neurological disorders resulting in motor disabilities, providing epidemiological data necessary for guidelines. The primary objective is to assess vitamin D insufficiency in the neurological populations under investigation and secondary to evaluate the impact of vitamin D supplementation …
Immediate Implant Placement Using Xenograft Mixed with Vitamin D Versus Hyaluronic Acid.
Immediate implant placement using xenograft as space filling material mixed with vitamin D versus hyaluronic acid in posterior mandible region This study aims to evaluate implant stability and density after placement of immediate implant and Xenograft mixed with Hyaluronic acid or Vitamin D at posterior mandible region
Immunological Effects of Vitamin D Replacement Among Black/African American Prostate Cancer Patients
This early phase I is to find out how common vitamin D insufficiency is among African American patients with a history of prostate cancer that has not spread to other parts of the body (localized) or has spread to other places in the body (metastatic) and how vitamin D insufficiency …
Intralymphatic Immunotherapy Enhanced by Vitamin-D, a Randomized Placebo-controlled Trial and Comparison With SLIT
A national, multicenter, randmised double blind study with parallell arms. 360 patients with grass induced allergic rhinitis will be open randomised 1:2 to 3 years Grazax sublingual immunotherapy or 3 intralymphatic injections with ALK Alutard Timothy. In a second step, the ILIT group will be double blind randomised 1:1 to …
Effects of Vitamin D, Epigallocatechin Gallate, Vitamin B6, and D-Chiro-inositol Combination on Uterine Fibroids
Randomized (1:1) double-blind, single-center controlled trial to evaluate the efficacy of 3 months of treatment with Epigallocatechin gallate, vitamin D, D-Chiro-inositol, and vitamin B6 on symptoms related to uterine fibroids
Effects of Laser Therapy and Vitamin D Pills on Braces Tooth Movement: A Random Controlled Study
This clinical trial aims to evaluate the efficacy of low-level laser therapy (LLLT) in conjunction with oral vitamin D3 supplementation in accelerating orthodontic tooth movement in adults with crowded mandibular anterior teeth undergoing orthodontic treatment. Additionally, the study seeks to assess the safety profile and potential adverse effects, including pain …
Free Vitamin D and Steroid Metabolism in Endocrine Disorders
This clinical study aims to gain a better understanding of how different forms of vitamin D are processed in the body in healthy individuals, pregnant women, and patients with various hormonal (endocrine) and kidney (renal) disorders. In the long term, this study may provide new insights that could how vitamin …
VItamin D in pregnanCy for prevenTion Of eaRlY Childhood Asthma
The overall aim of the study is to develop a nutritional preventive vitamin D supplementation strategy in pregnancy for early childhood asthma/persistent wheeze during the first three years of life as we hypothesize that supplementation in higher doses than recommended could reduce the risk of disease development.
The VITDALIZE Study: Effect of High-dose Vitamin D3 on 28-day Mortality in Adult Critically Ill Patients
In the VITdAL-ICU trial using a large oral dose of vitamin D3 in 480 adult critically ill patients, there was no benefit regarding the primary endpoint hospital length of stay. However, the predefined subgroup with severe vitamin D deficiency (25(OH)D ≤ 12ng/ml) had significantly lower 28-day mortality (36.3% placebo vs. …
