Why vitamin D clinical trials should be based on 25-hydroxyvitamin D concentrations

[1]  C. Carlberg,et al.  The concept of the personal vitamin D response index , 2018, The Journal of Steroid Biochemistry and Molecular Biology.

[2]  R. Scragg Limitations of vitamin D supplementation trials: Why observational studies will continue to help determine the role of vitamin D in health , 2017, The Journal of Steroid Biochemistry and Molecular Biology.

[3]  R. Jorde RCTS are the only appropriate way to demonstrate the role of vitamin D in health , 2017, The Journal of Steroid Biochemistry and Molecular Biology.

[4]  G. O'Connor,et al.  Vitamin D supplementation in pregnancy, prenatal 25(OH)D levels, race, and subsequent asthma or recurrent wheeze in offspring: Secondary analyses from the Vitamin D Antenatal Asthma Reduction Trial , 2017, The Journal of allergy and clinical immunology.

[5]  V. Gudnason,et al.  Non-skeletal health effects of vitamin D supplementation: A systematic review on findings from meta-analyses summarizing trial data , 2017, PloS one.

[6]  S. de Lusignan,et al.  Daily supplementation with 15 μg vitamin D2 compared with vitamin D3 to increase wintertime 25-hydroxyvitamin D status in healthy South Asian and white European women: a 12-wk randomized, placebo-controlled food-fortification trial. , 2017, The American journal of clinical nutrition.

[7]  A. Quyyumi,et al.  Vitamin D and Cardiovascular Disease: Controversy Unresolved. , 2017, Journal of the American College of Cardiology.

[8]  M. Valenti,et al.  Vitamin D: Daily vs. Monthly Use in Children and Elderly—What Is Going On? , 2017, Nutrients.

[9]  B. Boucher,et al.  Randomized controlled trials of vitamin D and cancer incidence: A modeling study , 2017, PloS one.

[10]  K. Dear,et al.  Validation of Sun Exposure Reported Annually Against Interim Self‐report and Daily Sun Diaries , 2017, Photochemistry and photobiology.

[11]  C. Cooper,et al.  Vitamin D supplementation in the prevention and management of major chronic diseases not related to mineral homeostasis in adults: research for evidence and a scientific statement from the European society for clinical and economic aspects of osteoporosis and osteoarthritis (ESCEO) , 2017, Endocrine.

[12]  K. Baggerly,et al.  Effect of Vitamin D and Calcium Supplementation on Cancer Incidence in Older Women: A Randomized Clinical Trial , 2017, JAMA.

[13]  David A. Jolliffe,et al.  Vitamin D supplementation to prevent acute respiratory tract infections: systematic review and meta-analysis of individual participant data , 2017, British Medical Journal.

[14]  R. Bouillon Optimal vitamin D supplementation strategies , 2017, Endocrine.

[15]  Ji-Gang Zhang,et al.  SNP rs11185644 of RXRA gene is identified for dose-response variability to vitamin D3 supplementation: a randomized clinical trial , 2017, Scientific Reports.

[16]  J. Sharman,et al.  Effectiveness of Vitamin D Supplementation for Cardiovascular Health Outcomes , 2016, Pulse.

[17]  Amitabh Sharma,et al.  Early pregnancy vitamin D status and risk of preeclampsia. , 2016, The Journal of clinical investigation.

[18]  H. Wulf,et al.  Major inter-personal variation in the increase and maximal level of 25-hydroxy vitamin D induced by UVB , 2016, Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology.

[19]  K. Baggerly,et al.  Post-hoc analysis of vitamin D status and reduced risk of preterm birth in two vitamin D pregnancy cohorts compared with South Carolina March of Dimes 2009–2011 rates , 2016, The Journal of Steroid Biochemistry and Molecular Biology.

[20]  W. Grant The role of geographical ecological studies in identifying diseases linked to UVB exposure and/or vitamin D , 2016, Dermato-endocrinology.

[21]  S. Genuis,et al.  Estimated economic benefit of increasing 25-hydroxyvitamin D concentrations of Canadians to or above 100 nmol/L , 2016, Dermato-endocrinology.

[22]  E. Jacobs,et al.  CYP24A1 and CYP27B1 Polymorphisms, Concentrations of Vitamin D Metabolites, and Odds of Colorectal Adenoma Recurrence , 2015, Nutrition and cancer.

[23]  Shoaib Afzal,et al.  No evidence that genetically reduced 25-hydroxyvitamin D is associated with increased risk of ischaemic heart disease or myocardial infarction: a Mendelian randomization study. , 2015, International journal of epidemiology.

[24]  Min‐ge Xie,et al.  Temporal Relationship between Vitamin D Status and Parathyroid Hormone in the United States , 2015, PloS one.

[25]  W. Grant 25-hydroxyvitamin D and breast cancer, colorectal cancer, and colorectal adenomas: case-control versus nested case-control studies. , 2015, Anticancer research.

[26]  M. Sampson,et al.  Rapid Normalization of Vitamin D Levels: A Meta-Analysis , 2015, Pediatrics.

[27]  K. Barzegar.,et al.  The effect of vitamin D supplementation on blood pressure in patients with elevated blood pressure and vitamin D deficiency: a randomized, double-blind, placebo-controlled trial , 2014, Blood pressure monitoring.

[28]  E. Giovannucci,et al.  Meta-analysis of all-cause mortality according to serum 25-hydroxyvitamin D. , 2014, American journal of public health.

[29]  I. Reid,et al.  The effect of vitamin D supplementation on skeletal, vascular, or cancer outcomes: a trial sequential meta-analysis. , 2014, The lancet. Diabetes & endocrinology.

[30]  R. Heaney Guidelines for optimizing design and analysis of clinical studies of nutrient effects. , 2014, Nutrition reviews.

[31]  P. Autier,et al.  Vitamin D status and ill health: a systematic review. , 2014, The lancet. Diabetes & endocrinology.

[32]  C. Wagner,et al.  Clinical review: The role of the parent compound vitamin D with respect to metabolism and function: Why clinical dose intervals can affect clinical outcomes. , 2013, The Journal of clinical endocrinology and metabolism.

[33]  Stefan Pilz,et al.  Vitamin D effects on musculoskeletal health, immunity, autoimmunity, cardiovascular disease, cancer, fertility, pregnancy, dementia and mortality-a review of recent evidence. , 2013, Autoimmunity reviews.

[34]  C. Wagner,et al.  Health characteristics and outcomes of two randomized vitamin D supplementation trials during pregnancy: A combined analysis , 2013, The Journal of Steroid Biochemistry and Molecular Biology.

[35]  M. Holick,et al.  Vitamin D for health: a global perspective. , 2013, Mayo Clinic proceedings.

[36]  C. Wagner,et al.  A randomized trial of vitamin D supplementation in 2 community health center networks in South Carolina. , 2013, American journal of obstetrics and gynecology.

[37]  W. Grant,et al.  Effect of follow-up time on the relation between prediagnostic serum 25-hydroxyvitamin D and all-cause mortality rate , 2012, Dermato-endocrinology.

[38]  I. Reid,et al.  Calcium and vitamin D supplements and health outcomes: a reanalysis of the Women's Health Initiative (WHI) limited-access data set. , 2011, The American journal of clinical nutrition.

[39]  R. Heaney,et al.  Vitamin D supplement doses and serum 25-hydroxyvitamin D in the range associated with cancer prevention. , 2011, Anticancer research.

[40]  S. Madronich,et al.  Epidemic influenza and vitamin D , 2006, Epidemiology and Infection.

[41]  W. Grant,et al.  The association of solar ultraviolet B (UVB) with reducing risk of cancer: multifactorial ecologic analysis of geographic variation in age-adjusted cancer mortality rates. , 2006, Anticancer research.

[42]  S. Carley,et al.  An introduction to power and sample size estimation , 2003, Emergency medicine journal : EMJ.

[43]  M. Holick,et al.  Human serum 25-hydroxycholecalciferol response to extended oral dosing with cholecalciferol. , 2003, The American journal of clinical nutrition.