Effect of Two Different Doses of Vitamin D Supplementation on Metabolic Profiles of Insulin-Resistant Patients with Polycystic Ovary Syndrome

This study was carried out to evaluate the effects of vitamin D supplementation on the metabolic profiles of insulin-resistant subjects with polycystic ovary syndrome (PCOS). This randomized double-blind, placebo-controlled trial was conducted on 90 insulin-resistant women with PCOS. Participants we...

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Veröffentlicht in:Nutrients 2017-11, Vol.9 (12), p.1280
Hauptverfasser: Jamilian, Mehri, Foroozanfard, Fatemeh, Rahmani, Elham, Talebi, Maesoomeh, Bahmani, Fereshteh, Asemi, Zatollah
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container_issue 12
container_start_page 1280
container_title Nutrients
container_volume 9
creator Jamilian, Mehri
Foroozanfard, Fatemeh
Rahmani, Elham
Talebi, Maesoomeh
Bahmani, Fereshteh
Asemi, Zatollah
description This study was carried out to evaluate the effects of vitamin D supplementation on the metabolic profiles of insulin-resistant subjects with polycystic ovary syndrome (PCOS). This randomized double-blind, placebo-controlled trial was conducted on 90 insulin-resistant women with PCOS. Participants were randomly assigned to three groups to intake either 4000 IU of vitamin D or 1000 IU of vitamin D or placebo ( = 30 each group) daily for 12 weeks. Vitamin D supplementation (4000 IU), compared with vitamin D (1000 IU) and placebo, led to significant reductions in total testosterone (-0.2 ± 0.2 vs. -0.1 ± 0.6 and +0.1 ± 0.2 ng/mL, respectively, = 0.02), free androgen index (FAI) (-0.06 ± 0.12 vs. -0.02 ± 0.12 and +0.004 ± 0.04, respectively, = 0.04), hirsutism (-1.1 ± 1.1 vs. -0.8 ± 1.2 and -0.1 ± 0.4, respectively, = 0.001) and high-sensitivity C-reactive protein (hs-CRP) (-0.7 ± 1.4 vs. -0.5 ± 0.9 and +0.5 ± 2.4 mg/L, respectively, = 0.01). In addition, we found significant elevations in mean change of sex hormone-binding globulin (SHBG) (+19.1 ± 23.0 vs. +4.5 ± 11.0 and +0.7 ± 10.4 nmol/L, respectively, < 0.001) and total antioxidant capacity (TAC) (+130 ± 144 vs. +33 ± 126 and -36 ± 104 mmol/L, respectively, < 0.001) in the high-dose vitamin D group compared with low-dose vitamin D and placebo groups. Overall, high-dose vitamin D administration for 12 weeks to insulin-resistant women with PCOS had beneficial effects on total testosterone, SHBG, FAI, serum hs-CRP and plasma TAC levels compared with low-dose vitamin D and placebo groups.
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This randomized double-blind, placebo-controlled trial was conducted on 90 insulin-resistant women with PCOS. Participants were randomly assigned to three groups to intake either 4000 IU of vitamin D or 1000 IU of vitamin D or placebo ( = 30 each group) daily for 12 weeks. Vitamin D supplementation (4000 IU), compared with vitamin D (1000 IU) and placebo, led to significant reductions in total testosterone (-0.2 ± 0.2 vs. -0.1 ± 0.6 and +0.1 ± 0.2 ng/mL, respectively, = 0.02), free androgen index (FAI) (-0.06 ± 0.12 vs. -0.02 ± 0.12 and +0.004 ± 0.04, respectively, = 0.04), hirsutism (-1.1 ± 1.1 vs. -0.8 ± 1.2 and -0.1 ± 0.4, respectively, = 0.001) and high-sensitivity C-reactive protein (hs-CRP) (-0.7 ± 1.4 vs. -0.5 ± 0.9 and +0.5 ± 2.4 mg/L, respectively, = 0.01). In addition, we found significant elevations in mean change of sex hormone-binding globulin (SHBG) (+19.1 ± 23.0 vs. +4.5 ± 11.0 and +0.7 ± 10.4 nmol/L, respectively, &lt; 0.001) and total antioxidant capacity (TAC) (+130 ± 144 vs. +33 ± 126 and -36 ± 104 mmol/L, respectively, &lt; 0.001) in the high-dose vitamin D group compared with low-dose vitamin D and placebo groups. Overall, high-dose vitamin D administration for 12 weeks to insulin-resistant women with PCOS had beneficial effects on total testosterone, SHBG, FAI, serum hs-CRP and plasma TAC levels compared with low-dose vitamin D and placebo groups.</description><identifier>ISSN: 2072-6643</identifier><identifier>EISSN: 2072-6643</identifier><identifier>DOI: 10.3390/nu9121280</identifier><identifier>PMID: 29186759</identifier><language>eng</language><publisher>Switzerland: MDPI AG</publisher><subject>Adolescent ; Adult ; Androgens - blood ; Anthropometry ; antioxidant activity ; Antioxidants ; Biomarkers - blood ; Blood Glucose - metabolism ; blood serum ; C-reactive protein ; C-Reactive Protein - metabolism ; Diet ; Dietary Carbohydrates - administration &amp; dosage ; Dietary Fats - administration &amp; dosage ; Dietary Fiber - administration &amp; dosage ; Dietary Proteins - administration &amp; dosage ; Dietary Supplements ; Dose-Response Relationship, Drug ; Double-Blind Method ; Female ; Globulins ; Hirsutism ; Humans ; Insulin ; Insulin Resistance ; Metabolism ; Metabolome ; Nutrition Assessment ; Oxidative Stress - drug effects ; patients ; placebos ; Polycystic ovary syndrome ; Polycystic Ovary Syndrome - blood ; Polycystic Ovary Syndrome - drug therapy ; sex hormone-binding globulin ; Sex Hormone-Binding Globulin - metabolism ; sex reversal ; Testosterone ; Testosterone - blood ; Vitamin D ; Vitamin D - administration &amp; dosage ; Vitamin D - blood ; women ; Young Adult</subject><ispartof>Nutrients, 2017-11, Vol.9 (12), p.1280</ispartof><rights>Copyright MDPI AG 2017</rights><rights>2017 by the authors. 2017</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c436t-62660490cfdbbd0a04a35a96a41521b00bf10a3a119aa0a524879f7b456e95243</citedby><cites>FETCH-LOGICAL-c436t-62660490cfdbbd0a04a35a96a41521b00bf10a3a119aa0a524879f7b456e95243</cites><orcidid>0000-0001-5265-4792</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC5748731/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC5748731/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,723,776,780,881,27901,27902,53766,53768</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/29186759$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Jamilian, Mehri</creatorcontrib><creatorcontrib>Foroozanfard, Fatemeh</creatorcontrib><creatorcontrib>Rahmani, Elham</creatorcontrib><creatorcontrib>Talebi, Maesoomeh</creatorcontrib><creatorcontrib>Bahmani, Fereshteh</creatorcontrib><creatorcontrib>Asemi, Zatollah</creatorcontrib><title>Effect of Two Different Doses of Vitamin D Supplementation on Metabolic Profiles of Insulin-Resistant Patients with Polycystic Ovary Syndrome</title><title>Nutrients</title><addtitle>Nutrients</addtitle><description>This study was carried out to evaluate the effects of vitamin D supplementation on the metabolic profiles of insulin-resistant subjects with polycystic ovary syndrome (PCOS). This randomized double-blind, placebo-controlled trial was conducted on 90 insulin-resistant women with PCOS. Participants were randomly assigned to three groups to intake either 4000 IU of vitamin D or 1000 IU of vitamin D or placebo ( = 30 each group) daily for 12 weeks. Vitamin D supplementation (4000 IU), compared with vitamin D (1000 IU) and placebo, led to significant reductions in total testosterone (-0.2 ± 0.2 vs. -0.1 ± 0.6 and +0.1 ± 0.2 ng/mL, respectively, = 0.02), free androgen index (FAI) (-0.06 ± 0.12 vs. -0.02 ± 0.12 and +0.004 ± 0.04, respectively, = 0.04), hirsutism (-1.1 ± 1.1 vs. -0.8 ± 1.2 and -0.1 ± 0.4, respectively, = 0.001) and high-sensitivity C-reactive protein (hs-CRP) (-0.7 ± 1.4 vs. -0.5 ± 0.9 and +0.5 ± 2.4 mg/L, respectively, = 0.01). In addition, we found significant elevations in mean change of sex hormone-binding globulin (SHBG) (+19.1 ± 23.0 vs. +4.5 ± 11.0 and +0.7 ± 10.4 nmol/L, respectively, &lt; 0.001) and total antioxidant capacity (TAC) (+130 ± 144 vs. +33 ± 126 and -36 ± 104 mmol/L, respectively, &lt; 0.001) in the high-dose vitamin D group compared with low-dose vitamin D and placebo groups. 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Foroozanfard, Fatemeh ; Rahmani, Elham ; Talebi, Maesoomeh ; Bahmani, Fereshteh ; Asemi, Zatollah</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c436t-62660490cfdbbd0a04a35a96a41521b00bf10a3a119aa0a524879f7b456e95243</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Adolescent</topic><topic>Adult</topic><topic>Androgens - blood</topic><topic>Anthropometry</topic><topic>antioxidant activity</topic><topic>Antioxidants</topic><topic>Biomarkers - blood</topic><topic>Blood Glucose - metabolism</topic><topic>blood serum</topic><topic>C-reactive protein</topic><topic>C-Reactive Protein - metabolism</topic><topic>Diet</topic><topic>Dietary Carbohydrates - administration &amp; dosage</topic><topic>Dietary Fats - administration &amp; dosage</topic><topic>Dietary Fiber - administration &amp; dosage</topic><topic>Dietary Proteins - administration &amp; dosage</topic><topic>Dietary Supplements</topic><topic>Dose-Response Relationship, Drug</topic><topic>Double-Blind Method</topic><topic>Female</topic><topic>Globulins</topic><topic>Hirsutism</topic><topic>Humans</topic><topic>Insulin</topic><topic>Insulin Resistance</topic><topic>Metabolism</topic><topic>Metabolome</topic><topic>Nutrition Assessment</topic><topic>Oxidative Stress - drug effects</topic><topic>patients</topic><topic>placebos</topic><topic>Polycystic ovary syndrome</topic><topic>Polycystic Ovary Syndrome - blood</topic><topic>Polycystic Ovary Syndrome - drug therapy</topic><topic>sex hormone-binding globulin</topic><topic>Sex Hormone-Binding Globulin - metabolism</topic><topic>sex reversal</topic><topic>Testosterone</topic><topic>Testosterone - blood</topic><topic>Vitamin D</topic><topic>Vitamin D - administration &amp; 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This randomized double-blind, placebo-controlled trial was conducted on 90 insulin-resistant women with PCOS. Participants were randomly assigned to three groups to intake either 4000 IU of vitamin D or 1000 IU of vitamin D or placebo ( = 30 each group) daily for 12 weeks. Vitamin D supplementation (4000 IU), compared with vitamin D (1000 IU) and placebo, led to significant reductions in total testosterone (-0.2 ± 0.2 vs. -0.1 ± 0.6 and +0.1 ± 0.2 ng/mL, respectively, = 0.02), free androgen index (FAI) (-0.06 ± 0.12 vs. -0.02 ± 0.12 and +0.004 ± 0.04, respectively, = 0.04), hirsutism (-1.1 ± 1.1 vs. -0.8 ± 1.2 and -0.1 ± 0.4, respectively, = 0.001) and high-sensitivity C-reactive protein (hs-CRP) (-0.7 ± 1.4 vs. -0.5 ± 0.9 and +0.5 ± 2.4 mg/L, respectively, = 0.01). In addition, we found significant elevations in mean change of sex hormone-binding globulin (SHBG) (+19.1 ± 23.0 vs. +4.5 ± 11.0 and +0.7 ± 10.4 nmol/L, respectively, &lt; 0.001) and total antioxidant capacity (TAC) (+130 ± 144 vs. +33 ± 126 and -36 ± 104 mmol/L, respectively, &lt; 0.001) in the high-dose vitamin D group compared with low-dose vitamin D and placebo groups. Overall, high-dose vitamin D administration for 12 weeks to insulin-resistant women with PCOS had beneficial effects on total testosterone, SHBG, FAI, serum hs-CRP and plasma TAC levels compared with low-dose vitamin D and placebo groups.</abstract><cop>Switzerland</cop><pub>MDPI AG</pub><pmid>29186759</pmid><doi>10.3390/nu9121280</doi><orcidid>https://orcid.org/0000-0001-5265-4792</orcidid><oa>free_for_read</oa></addata></record>
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source MDPI - Multidisciplinary Digital Publishing Institute; MEDLINE; PubMed Central; EZB Electronic Journals Library; PubMed Central Open Access
subjects Adolescent
Adult
Androgens - blood
Anthropometry
antioxidant activity
Antioxidants
Biomarkers - blood
Blood Glucose - metabolism
blood serum
C-reactive protein
C-Reactive Protein - metabolism
Diet
Dietary Carbohydrates - administration & dosage
Dietary Fats - administration & dosage
Dietary Fiber - administration & dosage
Dietary Proteins - administration & dosage
Dietary Supplements
Dose-Response Relationship, Drug
Double-Blind Method
Female
Globulins
Hirsutism
Humans
Insulin
Insulin Resistance
Metabolism
Metabolome
Nutrition Assessment
Oxidative Stress - drug effects
patients
placebos
Polycystic ovary syndrome
Polycystic Ovary Syndrome - blood
Polycystic Ovary Syndrome - drug therapy
sex hormone-binding globulin
Sex Hormone-Binding Globulin - metabolism
sex reversal
Testosterone
Testosterone - blood
Vitamin D
Vitamin D - administration & dosage
Vitamin D - blood
women
Young Adult
title Effect of Two Different Doses of Vitamin D Supplementation on Metabolic Profiles of Insulin-Resistant Patients with Polycystic Ovary Syndrome
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