14 citations
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October 2016 in “Physiological Research” In this study, vitamin D supplementation showed no significant effect on androgen levels or clinical hyperandrogenism in PCOS women, but when combined with metformin, it improved testosterone levels.
10 citations
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February 2017 in “Hormone Molecular Biology and Clinical Investigation” This randomized clinical trial found that vitamin D supplementation did not significantly alter anthropometric or metabolic parameters in obese, insulin-resistant, and vitamin D-deficient women with polycystic ovary syndrome, whereas metformin effectively reduced body weight, BMI, waist circumference, total body fat, and serum glucose levels.
4 citations
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January 2017 in “Journal of pediatric endocrinology & metabolism/Journal of pediatric endocrinology and metabolism” This study identified two distinct VDR gene mutations among Lebanese families with hereditary vitamin D-resistant rickets, noting varied treatment responses and promising outcomes despite severe phenotypes.
3 citations
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February 2016 in “Dermatologic Therapy” Using minoxidil and tretinoin on the skin, along with oral vitamin D, improved hair thickness and density in two girls with woolly hair.
January 2024 in “Clinical, cosmetic and investigational dermatology” In this case report, a four-year-old girl was diagnosed with vitamin D-dependent rickets type II, manifesting as diffuse alopecia, frontal bossing, hypoplastic teeth, and skin-colored papules, due to a genetic mutation causing resistance to 1.25-dihydroxy vitamin D.