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Clinical Endocrinology

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https://www.readbyqxmd.com/read/28092404/metformin-versus-myoinositol-which-is-better-in-obese-pcos-patients-a-randomized-controlled-crossover-study
#1
Valeria Tagliaferri, Daniela Romualdi, Valentina Immediata, Simona De Cicco, Christian Di Florio, Antonio Lanzone, Maurizio Guido
CONTEXT: due to the central role of metabolic abnormalities in the pathophysiology of PCOS, insulin sensitising agents have been proposed as a feasible treatment option. OBJECTIVE: to investigate which is the more effective between metformin and myoinositol on hormonal, clinical and metabolic parameters in obese patients with polycystic ovary syndrome (PCOS). STUDY DESIGN: crossover randomized-controlled study. PATIENTS: Thirty-four PCOS obese women (age: 25...
January 16, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28090669/the-association-between-sclerostin-and-incident-type-2-diabetes-risk-a-cohort-study
#2
Oriana Hoi Yun Yu, Brent Richards, Claudie Berger, Robert G Josse, William D Leslie, David Goltzman, Stephanie M Kaiser, Christopher S Kovacs, K Shawn Davison
OBJECTIVE: To determine whether sclerostin is associated with fasting glucose, insulin levels, insulin resistance or increased risk of incident type 2 diabetes. BACKGROUND: Type 2 diabetic patients have a higher risk of fractures. Recent studies suggest sclerostin, a regulator of osteoblast activity, is associated with diabetes. MATERIALS AND METHODS: Sclerostin levels were obtained from 1,778 individuals with no history of type 2 diabetes participating in the population-based Canadian Multicentre Osteoporosis Study (CaMos) cohort...
January 15, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28063163/immediate-versus-modified-release-hydrocortisone-in-mitotane-treated-patients-with-adrenocortical-cancer
#3
Marianne Weigel, Stefanie Hahner, Mark Sherlock, Amar Agha, Lucy Ann Behan, Paul M Stewart, Wiebke Arlt, Daniela Beier, Kathrin Frey, Kathrin Zopf, Marcus Quinkler
OBJECTIVE: Mitotane induces hepatic CYP3A4 activity, resulting in accelerated cortisol inactivation, and also increases cortisol binding globulin (CBG). Therefore, higher hydrocortisone doses are required in patients with adrenocortical cancer (ACC) on mitotane treatment. Modified release hydrocortisone has not been used in mitotane-treated ACC patients yet. AIM: Case series to compare serum cortisol, calculated free serum cortisol and ACTH levels in ACC patients on mitotane treatment with immediate and modified release hydrocortisone...
January 7, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28039875/first-trimester-isolated-maternal-hypothyroxinemia-adverse-maternal-metabolic-profile-and-impact-on-the-obstetrical-outcome
#4
Raluca Maria Furnica, Damien Gruson, John H Lazarus, Dominique Maiter, Pierre Bernard, Chantal Daumerie
BACKGROUND: Isolated maternal hypothyroxinemia (IH) is defined as low maternal FT4 (<5(th) percentile) and normal TSH. There is concern on its potential negative effects on the mother and offspring. OBJECTIVE: We aimed to evaluate the prevalence of IH and to assess the consequences of hypothyroxinemia on the maternal and foetal outcomes. SUBJECTS AND METHODS: From a total of 1300 consecutive pregnant women recruited during the prenatal screen (mean gestational age, 11...
December 31, 2016: Clinical Endocrinology
https://www.readbyqxmd.com/read/28039871/high-salivary-testosterone-to-androstenedione-t-a4-ratio-and-adverse-metabolic-phenotypes-in-women-with-pcos
#5
J Münzker, L Lindheim, J Adaway, C Trummer, E Lerchbaum, T R Pieber, B Keevil, B Obermayer-Pietsch
BACKGROUND: Polycystic ovary syndrome (PCOS) is characterized by a combination of hormonal and metabolic disturbances, such as insulin resistance, glucose intolerance, anovulation and hyperandrogenism. Clinical phenotypes of PCOS show different patterns of steroid hormones that have been investigated to some extent. This study aimed to establish a liquid chromatography-tandem mass spectrometry (LC-MS/MS) method for the quantification of salivary testosterone and androstenedione, and to describe the salivary testosterone to androstenedione (T/A4) ratio as a new tool for the assessment of hyperandrogenism and metabolic health...
December 31, 2016: Clinical Endocrinology
https://www.readbyqxmd.com/read/28028828/thyroid-abnormalities-following-the-use-of-ctla-4-and-pd-1-inhibitors-in-the-treatment-of-melanoma
#6
D L Morganstein, Z Lai, L Spain, S Diem, D Levine, C Mace, M Gore, J Larkin
CONTEXT: Checkpoint inhibitors are emerging as important cancer therapies, but are associated with a high rate of immune side effects, including endocrinopathy. OBJECTIVE: To determine the burden of thyroid dysfunction in patients with melanoma treated with immune checkpoint inhibitors and describe the clinical course. DESIGN AND PATIENTS: Consecutive patients with melanoma treated with either Ipilimumab, Nivolumab, Pembrolizumab or the combination of Ipilimumab and Nivolumab were identified...
December 27, 2016: Clinical Endocrinology
https://www.readbyqxmd.com/read/28028824/clinical-question-should-we-be-offering-fertility-preservation-by-surgical-sperm-retrieval-to-men-with-klinefelter-s-syndrome
#7
Kevin McEleny, Tim Cheetham, Richard Quinton
The diagnosis of Klinefelter's syndrome was made at 11 years of age. The patient was born normally at full term and, although his mother noticed occasions when he was "different" from his siblings, he encountered no major problems until 6-7 years of age when he gained weight excessively and began exhibiting "difficult" behaviour with delayed motor and neurocognitive milestones. Following his presentation to children's community services with pertussis aged 10 these developmental issues began to be explored, culminating in his karyotype being checked...
December 27, 2016: Clinical Endocrinology
https://www.readbyqxmd.com/read/28005277/health-related-quality-of-life-and-psychological-wellbeing-in-adults-with-differences-of-sex-development-dsd
#8
Elena Bennecke, Ute Thyen, Annette Grüters, Anke Lux, Birgit Köhler
OBJECTIVE: Rare congenital conditions with incongruence of chromosomal, gonadal, and phenotypic sex have been classified as Differences/ Disorders of Sex Development (DSD). Included in DSD are conditions with diverse genetic aetiology, varying levels of prenatal androgen effects, phenotypes, and subsequently, different medical treatments. Quality of life (QoL) and psychological wellbeing are indicators of successful psychosocial adaptation to the conditions. We sought to investigate the HRQOL and psychological wellbeing in this population...
December 22, 2016: Clinical Endocrinology
https://www.readbyqxmd.com/read/28002625/is-the-reproducibility-of-shear-wave-elastography-of-thyroid-nodules-high-enough-for-clinical-use-a-methodological-study
#9
Kristine Zøylner Swan, Viveque Egsgaard Nielsen, Bo Martin Bibby, Steen Joop Bonnema
OBJECTIVE: To systematically assess the reproducibility of thyroid ultrasonographic Shear Wave Elastography (SWE). CONTEXT: SWE has been suggested as a potential tool for thyroid nodule evaluation, but assessment of its reproducibility has been insufficiently addressed. DESIGN: SWE examinations were performed prospectively by two investigators. PATIENTS: Seventy-two patients [male/female: 19/53; mean age: 53±14 years; malignant/benign 17/55] undergoing thyroid surgery were enrolled in the study...
December 21, 2016: Clinical Endocrinology
https://www.readbyqxmd.com/read/27992961/concomitant-alterations-of-metabolic-parameters-cardiovascular-risk-factors-and-altered-cortisol-secretion-in-patients-with-adrenal-incidentalomas-during-prolonged-follow-up
#10
Labrini Papanastasiou, Krystallenia Ι Alexandraki, Ioannis I Androulakis, Stelios Fountoulakis, Theodora Kounadi, Athina Markou, Vaios Tsiavos, Christianna Samara, Theodoros G Papaioannou, George Piaditis, Gregory Kaltsas
OBJECTIVE: Adrenal incidentalomas (AI) are associated with metabolic and hormonal abnormalities, most commonly autonomous cortisol secretion (ACS). Data regarding alterations of insulin resistance (IR), and ACS after prolonged follow-up are limited. We investigated the evolution of IR, cortisol secretion and ACS development in patients with AI during prolonged follow-up. DESIGN: Prospective study in a tertiary hospital. PATIENTS AND MEASUREMENTS: Seventy-one patients with AI, (51 non-functioning [NFAI], 20 ACS), and 5...
December 19, 2016: Clinical Endocrinology
https://www.readbyqxmd.com/read/27988942/young-healthy-south-asians-have-enhanced-lipogenic-sensitivity-to-dietary-sugar
#11
Lisa C Hudgins, Jonathan L Hugo, Samim Enayat, Thomas S Parker, Amanda S Artis, Daniel M Levine
OBJECTIVE: South Asians have higher rates of Type 2 diabetes and cardiovascular disease compared to most other racial/ethnic groups. Increased hepatic de novo lipogenesis (DNL) in response to dietary sugar may accelerate the development of these chronic diseases in this population. STUDY DESIGN: Hepatic DNL in response to a calorically sweetened beverage was measured in an outpatient setting in 15 South Asians and 15 Caucasians with similar and normal body mass indexes, waist circumferences, glucose tolerance and lipid profiles...
December 17, 2016: Clinical Endocrinology
https://www.readbyqxmd.com/read/27978607/neonatal-17-hydroxyprogesterone-levels-adjusted-according-to-age-at-sample-collection-and-birth-weight-improve-the-efficacy-of-congenital-adrenal-hyperplasia-newborn-screening
#12
Giselle Y Hayashi, Daniel F Carvalho, Mirela C de Miranda, Cláudia Faure, Carla Vallejos, Vinícius N Brito, Andresa De Santi, Guiomar Madureira, Berenice B Mendonca, Tânia A S S Bachega
The primary concern related to CAH newborn screening (NBS) is the high rate of false-positive results (FPR) associated with prematurity; false-negative results (FNR) can also occur due to precocious sample collection OBJECTIVE: To determine the neonatal 17-hydroxyprogesterone (N17OHP) normal range in newborns in Sao Paulo using different references according to age and birth-weight, and to establish the optimal NBS cut-off levels METHODS: N17OHP levels from 271,810 newborns (NBs) according to sample collection time (G1: 48-<72 hs and G2: ≥72 hs) and birth-weight (≤1,500g, 1,501-2,000g, 2,001-2,500 and >2,500g) were evaluated...
December 15, 2016: Clinical Endocrinology
https://www.readbyqxmd.com/read/27978600/social-educational-and-vocational-outcomes-in-patients-with-childhood-onset-and-young-adult-onset-growth-hormone-deficiency
#13
M Tanya Mitra, Peter Jönsson, Ann-Charlotte Åkerblad, Peter Clayton, Maria Kołtowska-Häggström, Márta Korbonits, Andy Toogood, Helena Gleeson
OBJECTIVE: Hypopituitarism diagnosed in childhood, adolescence and young adulthood has the potential to affect growth and somatic development. Less is known about the impact of such a diagnosis on other aspects of development. DESIGN: An analysis of the KIMS Database (Pfizer International Metabolic Database) was performed to explore social, educational and vocational outcomes of adult patients diagnosed in childhood, adolescence and young adulthood compared with adult-onset controls...
December 15, 2016: Clinical Endocrinology
https://www.readbyqxmd.com/read/27978595/real-time-continuous-glucose-monitoring-in-type-1-diabetes-a-systematic-review-and-individual-patient-data-meta-analysis
#14
Khalid Benkhadra, Fares Alahdab, Shrikant Tamhane, Zhen Wang, Larry J Prokop, Irl B Hirsch, Denis Raccah, Jean-Pierre Riveline, Olga Kordonouri, Mohammad Hassan Murad
BACKGROUND: Real time continuous glucose monitoring (RTCGM) may help in the management of individuals with type 1 diabetes mellitus (T1DM); however, the evidence supporting its use is unclear. The available meta-analyses on this topic use aggregate data which weaken inference. OBJECTIVE: Individual patient data were obtained from randomized trials (RCTs) to conduct a meta-analysis and synthesize evidence about the effect of RTCGM on glycosylated haemoglobin (HbA1c), hypoglycaemic events and time spent in hypoglycaemia in T1DM...
December 15, 2016: Clinical Endocrinology
https://www.readbyqxmd.com/read/27914217/hla-g-3-untranslated-region-polymorphic-sites-associated-with-increased-hla-g-production-are-more-frequent-in-patients-exhibiting-differentiated-thyroid-tumors
#15
Nathalie Lobo de Figueiredo-Feitosa, Gustavo Martelli Palomino, Daiani Cristina Cilião Alves, Celso Teixeira Mendes Junior, Eduardo Antonio Donadi, Léa Maria Zanini Maciel
BACKGROUND: HLA-G is a non-classical class I histocompatibility molecule implicated on the immune escape mechanism of tumor cells. We evaluated the genetic diversity of HLA-G 3' untranslated region (3'UTR) and associated polymorphic sites with clinical presentation and with the magnitude of HLA-G thyroid expression. PATIENTS AND METHODS: Polymorphic sites at 3'UTR (14bpINS/DEL, +3003C/T, +3010C/G, +3027A/C, +3035C/T, +3142C/G, +3187A/G, +3196C/G) were characterized by sequencing analyses in blood samples of 72 patients exhibiting papillary thyroid carcinoma (PTC), 22 follicular thyroid carcinomas (FTC), 19 follicular adenomas (FA), 21 colloid goiters and 156 healthy controls...
December 2, 2016: Clinical Endocrinology
https://www.readbyqxmd.com/read/27911471/the-effects-of-coenzyme-q10-supplementation-on-glucose-metabolism-and-lipid-profiles-in-women-with-polycystic-ovary-syndrome-a-randomized-double-blind-placebo-controlled-trial
#16
Mansooreh Samimi, Maryam Zarezade Mehrizi, Fatemeh Foroozanfard, Hossein Akbari, Mehri Jamilian, Shahnaz Ahmadi, Zatollah Asemi
BACKGROUND: Data on the effects of coenzyme Q10 (CoQ10) supplementation on metabolic profiles among subjects with polycystic ovary syndrome (PCOS) are scarce. OBJECTIVE: This study was carried out to evaluate the effects of CoQ10 supplementation on glucose metabolism and lipid profiles in subjects with PCOS. DESIGN, PATIENTS AND MEASUREMENTS: This randomized, double-blind, placebo-controlled trial was conducted on 60 women diagnosed with PCOS...
December 2, 2016: Clinical Endocrinology
https://www.readbyqxmd.com/read/27896825/is-it-time-to-reconsider-lobectomy-in-low-risk-paediatric-thyroid-cancer
#17
Wouter P Kluijfhout, Jesse D Pasternak, Danielle van der Kaay, Menno R Vriens, Evan J Propst, Jonathan D Wasserman
OBJECTIVE: Current guidelines recommend total thyroidectomy for nearly all children with well-differentiated thyroid cancer (WDTC). These guidelines, however, derive from older data accrued prior to current high-resolution imaging. We speculate that there is a sub-population of children who may be adequately treated with lobectomy. DESIGN: Retrospective analysis of prospectively maintained database. PATIENTS: 73 children with WDTC treated between 2004 and 2015...
November 29, 2016: Clinical Endocrinology
https://www.readbyqxmd.com/read/27874199/glucose-and-lipid-levels-with-lanreotide-autogel-120-mg-in-treatment-na%C3%A3-ve-patients-with-acromegaly-data-from-the-primarys-study
#18
Philippe J Caron, Stephan Petersenn, Aude Houchard, Caroline Sert, John S Bevan
OBJECTIVE: Impaired glycaemic control, characteristic of acromegaly, can be exacerbated by treatment with somatostatin analogues (SSAs), particularly those with multireceptor activity. We present data from the PRIMARYS study on the impact of the SSA lanreotide, associated with tumour volume and hormonal improvements, on glucose and other metabolic parameters in acromegaly. DESIGN: PRIMARYS was a 48-week open-label single-arm phase 3b study of lanreotide autogel 120 mg/4 weeks...
November 22, 2016: Clinical Endocrinology
https://www.readbyqxmd.com/read/27864838/preoperative-alpha-blockade-in-phaeochromocytoma-and-paraganglioma-is-it-always-necessary
#19
Michelle Isaacs, Paul Lee
Resection of phaeochromocytoma and paraganglioma (PPGL) is traditionally preceded by alpha-blockade to prevent complications of haemodynamic instability intraoperatively. While there is general agreement on preoperative alpha-blockade for classic PPGLs presenting with hypertension, it is less clear whether alpha-blockade is necessary in predominantly dopamine-secreting tumours, normotensive PPGLs, as well as tumours that appear to be biochemically 'silent'. Preoperative management of these 'atypical' PPGLs is challenging and the treatment approach must be individualized, carefully weighing the risk of intraoperative hypertension against the possibility of orthostatic and prolonged postoperative hypotension...
November 19, 2016: Clinical Endocrinology
https://www.readbyqxmd.com/read/27864986/urinary-iodine-excretion-uie-estimated-by-iodine-creatinine-ratio-from-spot-urine-in-chinese-school-age-children
#20
Wen Chen, Xiang Li, Xiaohui Guo, Jun Shen, Long Tan, Laixiang Lin, Yalan Wu, Wei Wang, Wenqiang Wang, Jianchao Bian, Wanqi Zhang
OBJECTIVE: To assess the validity of urinary iodine excretion (UIE) estimated by urinary iodine/creatinine ratio (UI/Cr) from spot urines in Chinese school-age children. DESIGN: A cross-sectional survey was performed in which twice-repeated collections of 24-h urine, and spot urine samples were obtained within 1 month. MEASUREMENTS: Urinary iodine concentration (UIC), urinary creatinine concentration (UCr), urine volume (Uvol) of spot and 24-h urine samples were measured...
November 16, 2016: Clinical Endocrinology
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