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Chunliang Yang Department of Integrated Traditional Chinese and Western Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
The Center for Biomedical Research, Tongji Hospital Research Building, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China

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Junyi Li Department of Integrated Traditional Chinese and Western Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China

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Fei Sun The Center for Biomedical Research, Tongji Hospital Research Building, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China

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Haifeng Zhou Department of Integrated Traditional Chinese and Western Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China

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Jia Yang Department of Integrated Traditional Chinese and Western Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China

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Chao Yang Department of Gerontology, Hubei Provincial Hospital of Integrated Chinese and Western Medicine, Wuhan, China

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Hyperglycemia is the consequence of blood glucose dysregulation and a driving force of diabetic complications including retinopathy, nephropathy and cardiovascular diseases. The serum and glucocorticoid inducible kinase-1 (SGK1) has been suggested in the modulation of various pathophysiological activities. However, the role of SGK1 in blood glucose homeostasis remains less appreciated. In this review, we intend to summarize the function of SGK1 in glucose level regulation and to examine the evidence supporting the therapeutic potential of SGK1 inhibitors in hyperglycemia. Ample evidence points to the controversial roles of SGK1 in pancreatic insulin secretion and peripheral insulin sensitivity, which reflects the complex interplay between SGK1 activation and blood glucose fluctuation. Furthermore, SGK1 is engaged in glucose absorption and excretion in intestine and kidney and participates in the progression of hyperglycemia-induced secondary organ damage. As a net effect, blockage of SGK1 activation via either pharmacological inhibition or genetic manipulation seems to be helpful in glucose control at varying diabetic stages.

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Anna Eremkina Endocrinology Research Center, Russian Federation, Moscow, Russia

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Julia Krupinova Endocrinology Research Center, Russian Federation, Moscow, Russia

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Ekaterina Dobreva Endocrinology Research Center, Russian Federation, Moscow, Russia

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Anna Gorbacheva Endocrinology Research Center, Russian Federation, Moscow, Russia

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Ekaterina Bibik Endocrinology Research Center, Russian Federation, Moscow, Russia

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Margarita Samsonova Faculty of Fundamental Medicine, ederal State Budget Educational Institution of Higher Education M.V. Lomonosov Moscow State University, Moscow, Russia

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Alina Ajnetdinova Endocrinology Research Center, Russian Federation, Moscow, Russia

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Natalya Mokrysheva Endocrinology Research Center, Russian Federation, Moscow, Russia

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Hypercalcemic crisis is a severe but rare complication of primary hyperparathyroidism (PHPT), and data on denosumab treatment of patients with this disease is still very limited. The aim of this paper is to investigate the hypocalcemic effect of denosumab in PHPT patients with severe hypercalcemia when surgery should be delayed or is impossible for some reasons. We performed a retrospective study of 10 patients. The analysis included the use of biochemical markers of calcium-phosphorus metabolism, which were followed after the administration of 60 mg of denosumab. The trend to calcium reduction was already determined on the 3rd day after denosumab administration. In most cases the decrease in serum calcium level to the range of 2.8 mmol/L on average or lower was observed on the 7th day (P = 0.002). In addition to a significant increase in calcium levels we confirmed a significant increase in the estimated glomerular filtration rate on 7th day (P = 0.012). After that, seven patients underwent successful parathyroidectomy and achieved eucalcemia or hypocalcemia, one patient developed the recurrence of parathyroid cancer after initial surgery, while two patients with severe cardiovascular pathology refused surgery. Our study shows that denosumab is a useful tool in PHPT-associated hypercalcemia before surgery or if surgery is contraindicated.

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V Guarnotta Dipartimento di Promozione della Salute, Materno – Infantile, Medicina Interna e Specialistica di Eccellenza ‘G. D’Alessandro’ (PROMISE), Sezione di Malattie Endocrine, del Ricambio e della Nutrizione, Università di Palermo, Palermo, Italy

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C Di Stefano Dipartimento di Promozione della Salute, Materno – Infantile, Medicina Interna e Specialistica di Eccellenza ‘G. D’Alessandro’ (PROMISE), Sezione di Malattie Endocrine, del Ricambio e della Nutrizione, Università di Palermo, Palermo, Italy

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A Santoro Dipartimento di Promozione della Salute, Materno – Infantile, Medicina Interna e Specialistica di Eccellenza ‘G. D’Alessandro’ (PROMISE), Sezione di Malattie Endocrine, del Ricambio e della Nutrizione, Università di Palermo, Palermo, Italy

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A Ciresi Dipartimento di Promozione della Salute, Materno – Infantile, Medicina Interna e Specialistica di Eccellenza ‘G. D’Alessandro’ (PROMISE), Sezione di Malattie Endocrine, del Ricambio e della Nutrizione, Università di Palermo, Palermo, Italy

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A Coppola Dipartimento di Promozione della Salute, Materno – Infantile, Medicina Interna e Specialistica di Eccellenza ‘G. D’Alessandro’ (PROMISE), Sezione di Malattie Endocrine, del Ricambio e della Nutrizione, Università di Palermo, Palermo, Italy

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C Giordano Dipartimento di Promozione della Salute, Materno – Infantile, Medicina Interna e Specialistica di Eccellenza ‘G. D’Alessandro’ (PROMISE), Sezione di Malattie Endocrine, del Ricambio e della Nutrizione, Università di Palermo, Palermo, Italy

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Background

Dual-release hydrocortisone (DR-HC) improves metabolism in patients with adrenal insufficiency. The aims of this study were to compare the cardiovascular and metabolic effects of conventional glucocorticoids (GCs) vs. DR-HC and of high vs. low doses of GCs, after 48 months of observation.

Methods

We selected 27 patients on hydrocortisone (mean dose 17.5 ± 4.2 mg/day) and 20 patients on cortisone acetate (mean dose 37.5 ± 12.1 mg/day) who maintained this treatment (group A) and 53 patients switched to DR-HC (mean dose 22 ± 4.8 mg/day) (group B). At baseline and after 48 months, clinical and metabolic parameters and Framingham Risk Score (FRS) were obtained.

Results

After 48 months, patients in group A had a significant increase from baseline in BMI (P < 0.001), waist circumference (P = 0.001), systolic blood pressure (P = 0.001), LDL cholesterol (P = 0.018), HbA1c (P = 0.020) and FRS (P = 0.002). By contrast, patients in group B had a significant decrease in BMI (P = 0.002), waist circumference (P = 0.015), diastolic blood pressure (P = 0.031), total (P = 0.006) and LDL cholesterol (P = 0.005), HbA1c (P < 0.001) and FRS (P = 0.015) compared to baseline. No significant differences between high and low doses of both conventional GCs and DR-HC were observed.

Conclusions

DR-HC is associated with an improvement of metabolic parameters and cardiovascular risk compared to conventional GCs, which are associated with a worsening of these parameters, regardless of the dose used.

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Ann-Kristin Picke Institute of Comparative Molecular Endocrinology, Ulm University, Ulm, Germany

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Graeme Campbell Institute of Biomechanics, TUHH Hamburg University of Technology, Hamburg, Germany

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Nicola Napoli Diabetes and Bone Network, Department Endocrinology and Diabetes, University Campus Bio-Medico of Rome, Rome, Italy
Division of Bone and Mineral Diseases, Washington University in St Louis, St Louis, Missouri, USA

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Lorenz C Hofbauer Department of Medicine III & Center for Healthy Aging, Technische Universität Dresden, Dresden, Germany

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Martina Rauner Department of Medicine III & Center for Healthy Aging, Technische Universität Dresden, Dresden, Germany

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The prevalence of type 2 diabetes mellitus (T2DM) is increasing worldwide, especially as a result of our aging society, high caloric intake and sedentary lifestyle. Besides the well-known complications of T2DM on the cardiovascular system, the eyes, kidneys and nerves, bone strength is also impaired in diabetic patients. Patients with T2DM have a 40–70% increased risk for fractures, despite having a normal to increased bone mineral density, suggesting that other factors besides bone quantity must account for increased bone fragility. This review summarizes the current knowledge on the complex effects of T2DM on bone including effects on bone cells, bone material properties and other endocrine systems that subsequently affect bone, discusses the effects of T2DM medications on bone and concludes with a model identifying factors that may contribute to poor bone quality and increased bone fragility in T2DM.

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Diana-Alexandra Ertl Department of Pulmonology, Allergology and Endocrinology, University Clinic for Pediatrics and Adolescent Medicine, Medical University of Vienna, Vienna, Austria

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Andreas Gleiss Center for Medical Statistics, Informatics, and Intelligent Systems, Medical University of Vienna, Vienna, Austria

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Katharina Schubert Department of Pulmonology, Allergology and Endocrinology, University Clinic for Pediatrics and Adolescent Medicine, Medical University of Vienna, Vienna, Austria

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Caroline Culen Department of Pulmonology, Allergology and Endocrinology, University Clinic for Pediatrics and Adolescent Medicine, Medical University of Vienna, Vienna, Austria

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Peer Hauck Pediatric Heart Center Vienna, University Clinic for Pediatrics and Adolescent Medicine, Medical University of Vienna, Vienna, Austria

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Johannes Ott Clinic Division for Gynecologic Endocrinology and Reproductive Medicine, Medical University of Vienna, Vienna, Austria

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Alois Gessl Division of Endocrinology, University Clinic of Internal Medicine III, Medical University of Vienna, Vienna, Austria

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Gabriele Haeusler Department of Pulmonology, Allergology and Endocrinology, University Clinic for Pediatrics and Adolescent Medicine, Medical University of Vienna, Vienna, Austria

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Background

Previous studies have shown that only a minority of patients with Turner syndrome (TS) have adequate medical care after transfer to adult care.

Aim of this study

To assess the status of medical follow-up and quality of life (QoL) in adult women diagnosed with TS and followed up until transfer. To compare the subjective and objective view of the medical care quality and initiate improvements based on patients’ experiences and current recommendations.

Methods

39 adult women with TS out of 64 patients contacted were seen for a clinical and laboratory check, cardiac ultrasound, standardized and structured questionnaires (SF-36v2 and Beck depression inventory).

Results

7/39 of the patients were not being followed medically at all. Only 2/39 consulted all the specialists recommended. Comorbidities were newly diagnosed in 27/39 patients; of these, 11 related to the cardiovascular system. Patients in our cohort scored as high as the mean reference population for SF-36v2 in both mental and physical compartments. Obese participants had lower scores in the physical function section, whereas higher education was related to higher physical QoL scores. Adult height slightly correlated positively with physical health.

Conclusion

Medical follow-up was inadequate in our study cohort of adults with TS. Even though their medical follow-up was insufficient, these women felt adequately treated, leaving them vulnerable for premature illness. Initiatives in health autonomy and a structured transfer process as well as closer collaborations within specialities are urgently needed.

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Wang Chengji College of Physical Education, Chaohu University, Anhui Province, China

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Fan Xianjin College of Physical Education, Chaohu University, Anhui Province, China

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Objective

To investigate the biological mechanism of the effect of different intensity exercises on diabetic cardiomyopathy.

Methods

87 raise specific pathogen SPF healthy 6-week-old male Sprague–Dawley rats, fed 6 weeks with high-fat diet for rats were used, and a diabetic model was established by intraperitoneal injection of streptozotocin – randomly selected 43 rats were divided into Diabetic control group (DCG, n = 10), Diabetic exercise group 1 (DEG1, n = 11), Diabetic exercise group 2 (DEG2, n = 11) and Diabetic exercise group 3 (DEG3, n = 11). The rats in DEG1 were forced to run on a motorized treadmill, the exercise load consisted of running at a speed of 10 m/min, the exercise load of the rats in DEG2 were running at a speed of 15 m/min, the exercise load of the rats in DEG3 were running at a speed of 20 m/min, for one hour once a day for 6 weeks. After 6 weeks of exercise intervention, glucose metabolism-related indexes in rats such as blood glucose (FBG), glycosylated serum protein (GSP) and insulin (FINS); cardiac fibrinolytic system parameters such as PAI-1 (plasminogen activator inhibitor 1), Von Willebrand factor (vWF), protein kinase C (PKC) and diacylglycerol (DAG); and serum level of NO, eNOS and T-NOS were measured.

Result

Compared with DCG, fasting blood glucose and GSP were decreased, while insulin sensitivity index and insulin level were increased in all rats of the three exercise groups. FBG decrease was statistically significant (P < 0.01), only GSP decrease was statistically significant (P < 0.05) in DEG1 and DEG2, PAI-1 in three exercise groups were significantly reduced (P < 0.05), plasma vWF levels in the three exercise groups were significantly lower than those in the DCG group (P < 0.01); PKC levels decreased dramatically in the three exercise groups and DAG levels decrease slightly (P < 0.05), but with no significant difference. Compared with DCG, the serum level of NO was significantly higher (P < 0.05), and eNOS level was significantly elevated (P < 0.05). T-NOS elevation was statistically significant in DEG1 (P < 0.05).

Conclusions

Low- and moderate-intensity exercise can better control blood glucose level in diabetic rats; myocardial PAI-1 in DEG1, DEG2 and DEG3 rats decreased significantly (P < 0.05), serum NO increased (P < 0.05) and eNOS increased (P < 0.05) significantly. Therefore, it is inferred that exercise improves the biological mechanism of diabetic cardiomyopathy by affecting the levels of PAI-1 and eNOS, and there is a dependence on intensity.

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Johan Verhelst Department of Endocrinology, ZNA Middelheim Hospital, Antwerp, Belgium

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Anders F Mattsson Pfizer Endocrine Care, Pfizer Health AB, Sollentuna, Sweden

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Cecilia Camacho-Hübner Pfizer Endocrine Care, Pfizer, Inc., New York, New York, USA

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Anton Luger Division of Endocrinology and Metabolism, Medical University and General Hospital, Vienna, Austria

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Roger Abs Antwerp Centre for Endocrinology, Antwerp, Belgium

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Background

Adult-onset growth hormone deficiency (AO-GHD) is associated with an increased prevalence of the metabolic syndrome (MetS).

Aim

To determine the effect of GH replacement on the prevalence of MetS in AO-GHD and to study the impact of MetS on the incidence of cardiovascular events during GH replacement.

Patients and methods

1449 AO-GHD patients (males 48.9%; mean age 48.9 ± 12.8 year) were retrieved from KIMS (Pfizer International Metabolic Database). The prevalence of MetS (using International Diabetes Federation criteria) and its components were calculated at baseline and after one year of GH replacement. The relative risk to develop cardiovascular events according to the presence of MetS at baseline was assessed in another group of 3282 patients after prolonged GH replacement.

Results

The prevalence of MetS was 46.9% at baseline and 48.2% after one year of GH replacement (P = NS). The percentage of patients with abnormal waist circumference decreased significantly (80.3 vs 77.4%; P < 0.001), but impaired glucose metabolism (17.1 vs 23.3%; P < 0.001) increased and HDL cholesterol (48.2 vs 50.9%; P = 0.011) decreased. Switch from MetS to NoMS (18.5%) and from NoMS to MetS (18.8%) occurred. All patients showed a significant and comparable amelioration of quality of life. During seven years of GH replacement patients with MetS had a 66% higher risk (P = 0.0016) to develop a new coronary disease compared to NoMS.

Conclusion

MetS prevalence remains unchanged in AO-GHD during one year of GH replacement whereas its components are differentially affected. Besides GH replacement, consequent pharmacotherapy of all risk factors and endorsement of lifestyle intervention appears to be of uttermost importance together with early GHD diagnosis to prevent cardiovascular disease during prolonged treatment.

Open access
Eva Olga Melin Department of Clinical Sciences, Endocrinology and Diabetes, Lund University, Faculty of Medicine, Lund, Sweden
Department of Research and Development, Region Kronoberg, Växjö, Sweden
Region Kronoberg, Primary Care, Växjö, Sweden

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Jonatan Dereke Department of Clinical Sciences Lund, Lund University, Faculty of Medicine, Diabetes Research Laboratory, Lund, Sweden

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Maria Thunander Department of Clinical Sciences, Endocrinology and Diabetes, Lund University, Faculty of Medicine, Lund, Sweden
Department of Research and Development, Region Kronoberg, Växjö, Sweden
Department of Internal Medicine, Endocrinology and Diabetes, Central Hospital, Växjö, Sweden

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Magnus Hillman Department of Clinical Sciences Lund, Lund University, Faculty of Medicine, Diabetes Research Laboratory, Lund, Sweden

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Objective

Neuroinflammatory responses are implicated in depression. The aim was to explore whether depression in patients with type 1 diabetes (T1D) was associated with high circulating galectin-3, controlling for metabolic variables, s-creatinine, life style factors, medication and cardiovascular complications.

Design

Cross-sectional.

Methods

Participants were T1D patients (n = 283, 56% men, age 18–59 years, diabetes duration ≥1 year). Depression was assessed by Hospital Anxiety and Depression Scale-depression subscale. Blood samples, anthropometrics and blood pressure were collected, and supplemented with data from medical records and the Swedish National Diabetes Registry. Galectin-3 ≥2.562 µg/l, corresponding to the 85th percentile, was defined as high galectin-3.

Results

Median (quartile1, quartile3) galectin-3 (µg/l) was 1.3 (0.8, 2.9) for the 30 depressed patients, and 0.9 (0.5, 1.6) for the 253 non-depressed, P = 0.009. Depression was associated with high galectin-3 in all the 283 patients (adjusted odds ratio (AOR) 3.5), in the 161 men (AOR 3.4), and in the 122 women (AOR 3.9). HbA1c, s-lipids, s-creatinine, blood pressure, obesity, smoking, physical inactivity, cardiovascular complications and drugs (antihypertensive, lipid lowering, oral antidiabetic drugs and antidepressants) were not associated with high galectin-3.

Conclusions

This is the first study to show an association between depression and galectin-3. Depression was the only explored parameter associated with high circulating galectin-3 levels in 283 T1D patients. High galectin-3 levels might contribute to the increased risk for Alzheimer’s disease, cardiovascular and all-cause mortality observed in persons with depression. Potentially, in the future, treatment targeting galactin-3 might improve the prognosis for patients with high galectin-3 levels.

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Julia Kubiak Tromsø Endocrine Research Group, Department of Clinical Medicine, UiT The Arctic University of Norway, Tromsø, Norway

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Per Medbøe Thorsby Department of Medical Biochemistry, Per Medbøe Thorsby, Hormone Laboratory, Oslo University Hospital, Aker, Norway

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Elena Kamycheva Tromsø Endocrine Research Group, Department of Clinical Medicine, UiT The Arctic University of Norway, Tromsø, Norway
Division of Internal Medicine, University Hospital of North Norway, Tromsø, Norway

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Rolf Jorde Tromsø Endocrine Research Group, Department of Clinical Medicine, UiT The Arctic University of Norway, Tromsø, Norway
Division of Internal Medicine, University Hospital of North Norway, Tromsø, Norway

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Objective

Low serum 25(OH)D levels are associated with cardiovascular disease (CVD) and some of its risk factors. However, in interventional studies, the effects of vitamin D supplementation have been uncertain, possibly due to inclusion of vitamin D-sufficient subjects. Our aim was therefore to examine effects of vitamin D supplementation on CVD risk factors in vitamin D-insufficient subjects.

Design

Double-blinded randomized controlled trial.

Methods

A 4-month interventional study with high-dose vitamin D (100,000 IU loading dose, followed by 20,000 IU/week) or placebo with measurements of blood pressure, lipids (total-, LDL- and HDL-cholesterol, triglycerides, apolipoproteins A1 and B), and glucose metabolism parameters (blood glucose, HbA1c, serum human receptors for advanced glycation end products (sRAGE), insulin, C-peptide and HOMA-IR).

Results

A total of 422 subjects with mean serum 25(OH)D level 34 nmol/L were included, with 411 subjects completing the study. Serum 25(OH)D levels increased with 56 nmol/L and decreased with 4 nmol/L in the vitamin D and placebo group, respectively. We found no statistically significant differences between the two groups in any of the measured CVD risk factors, except for a minor increase in sRAGE in the vitamin D group. Stratified analyses of subjects with low baseline serum 25(OH)D levels alone, or combined with blood pressure, lipid and HOMA-IR values above the median for the cohort, did not skew the results in favour of vitamin D supplementation.

Conclusion

Supplementation with vitamin D in subjects with baseline vitamin D insufficiency does not improve CVD risk factor profile.

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Katica Bajuk Studen Nuclear Medicine Department, University Medical Centre Ljubljana, Ljubljana, Slovenia

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Marija Pfeifer Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia

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Polycystic ovary syndrome (PCOS) is a common disorder in women of reproductive age. Besides hyperandrogenism, oligomenorrhea and fertility issues, it is associated with a high prevalence of metabolic disorders and cardiovascular risk factors. Several genetic polymorphisms have been identified for possible associations with cardiometabolic derangements in PCOS. Different PCOS phenotypes differ significantly in their cardiometabolic risk, which worsens with severity of androgen excess. Due to methodological difficulties, longer time-scale data about cardiovascular morbidity and mortality in PCOS and about possible beneficial effects of different treatment interventions is missing leaving many issues regarding cardiovascular risk unresolved.

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