25-hydroxyvitamin D

25-hydroxyvitamin D

/25-hy·droxy·vi·ta·min D/ (-vi´tah-min) either 25-hydroxycholecalciferol, the corresponding hydroxy- derivative of ergocalciferol, or both together.
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Subjects were limited to those whose plasma 25-hydroxyvitamin D levels measured at the beginning of the trial were less than 30 ng/mL.
The Vitamin D 200M Assay for the Topaz System is intended for in vitro diagnostic use in the quantitative determination of total 25-hydroxyvitamin D (25-OH-D) through the measurement of 25-hydroxyvitamin D3 (25-OH-D3) and 25-hydroxyvitamin D2 (25-OH-D2) in human serum using LC-MS/MS technology by a trained laboratory professional in a clinical laboratory.
According to the company, RAYALDEE (calcifediol) extended-release capsules are approved for the treatment of secondary hyperparathyroidism (SHPT) in adult patients with stage 3 or 4 chronic kidney disease (CKD) and serum total 25-hydroxyvitamin D levels less than 30 ng/mL.
Serum 25-hydroxyvitamin D deficiency and increased risk of breast cancer among Korean women: a case-control study.
Researchers at University of California, San Diego School of Medicine report that higher levels of vitamin D, specifically serum 25-hydroxyvitamin D, are associated with a correspondingly reduced risk of cancer.
Other research has also found that vitamin D supplementation improves eczema in people with low 25-hydroxyvitamin D levels (mean, 7.
Main outcomes and measures included co-primary outcomes of 1) parental report of physician-diagnosed asthma or recurrent wheezing through 3 years of age and 2) third trimester maternal 25-hydroxyvitamin D levels.
To shed more light on the subject, we evaluated a sample of 51 internal medicine residents and research fellows, aged from 25 to 39 years at the University District Hospital in San Juan, Puerto Rico, doing so by means of a questionnaire that explored basic socio-demographic and lifestyle characteristics and collected anthropometric data; in addition, we obtained blood samples in order to determine 25-hydroxyvitamin D levels.
Data on USS scores, medication use, blood for 25-hydroxyvitamin D and safety measurements were collected.
Serum 25-hydroxyvitamin D is produced by exposure of the skin to sunlight.
The specific variant of vitamin D assessed was 25-hydroxyvitamin D, the primary form found in blood.
A simple blood test for serum 25-hydroxyvitamin D will determine if you're getting enough vitamin D.