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https://www.readbyqxmd.com/read/28230890/effect-of-testosterone-replacement-therapy-on-vitamin-d-and-fgf-23-levels-in-congenital-hypogonadism
#1
Cem Haymana, Alper Sonmez, Aydogan Aydogdu, Serkan Tapan, Yalcin Basaran, Coskun Meric, Kamil Baskoy, Abdullah Taslipinar, Mahmut Ilker Yilmaz, Omer Azal
INTRODUCTION: Patients with hypogonadism are at increased risk of cardiac and metabolic diseases and osteoporosis. Vitamin D and Fibroblast growth factor-23 (FGF-23) play role in the regulation of bone mineral metabolism and endothelial functions. Low vitamin D levels are reported in hypogonadism, while there is no data about the effect of testosterone replacement therapy (TRT). We investigated the effect of TRT on vitamin D and FGF-23 levels along with endothelial functions and insulin resistance in hypogonadal patients...
February 23, 2017: Endokrynologia Polska
https://www.readbyqxmd.com/read/28228646/readability-credibility-and-quality-of-patient-information-for-hypogonadism-and-testosterone-replacement-therapy-on-the-internet
#2
J A McBride, C C Carson, R M Coward
The incidence of hypogonadism and use of testosterone replacement therapy (TRT) are rising, while data evaluating the complexity and quality of health-care information available to patients on the Internet for hypogonadism or TRT are lacking. This study focuses on characterizing the readability, credibility and quality of patient-centered information for hypogonadism on the Internet. A Google search was performed to identify top-ranked websites offering patient-centered information on hypogonadism and TRT. Readability was quantified by reading grade level using several validated instruments...
February 23, 2017: International Journal of Impotence Research
https://www.readbyqxmd.com/read/28225313/efficacy-and-safety-of-a-new-topical-testosterone-replacement-gel-therapy-for-the-treatment-of-male-hypogonadism
#3
Glenn Cunningham, Laurence Belkoff, Gerald Brock, Mitchell Efros, Marc Gittelman, Dario Carrara, Anders Neijber, Masakazu Ando, Jules Mitchel
OBJECTIVE: Testosterone replacement therapy is indicated for male hypogonadism. This study aimed to evaluate the efficacy and safety of Testosterone gel 2% (Tgel) over 90-days. METHODS: This phase 3, open-label, non-comparator study was conducted in adult hypogonadal men (two consecutive fasting serum testosterone values <300 ng/dL and >86% subjects with symptoms consistent with testosterone deficiency). Subjects applied Tgel 23 mg/day (single pump-actuation using hands-free cap applicator)...
February 22, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/28220039/hormone-signaling-and-fatty-liver-in-females-analysis-of-estrogen-receptor-%C3%AE-mutant-mice
#4
S Hart-Unger, Y Arao, K J Hamilton, S L Lierz, D E Malarkey, S C Hewitt, M Freemark, K S Korach
BACKGROUND: Treatment with estrogen in early menopausal women protects against development of hepatic steatosis and NAFLD but estrogen has undesirable side effects which negate its beneficial effects in pre- and post-menopausal women. Targeted therapies require better understanding of the target sites and mechanisms by which estrogen signaling exerts its protective effects in women. ERα is thought to be the primary mediator for estrogen signaling to protect against hepatic steatosis...
February 21, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28215833/effects-of-platelet-rich-plasma-against-experimental-ischemia-reperfusion-injury-in-rat-testis
#5
C A Sekerci, Y Tanidir, T E Sener, G Sener, O Cevik, A Yarat, B Alev-Tuzuner, S Cetinel, E Kervancioglu, A Sahan, C Akbal
BACKGROUND: Testicular torsion is a common problem and, to date, there is no agent to preserve testicular function following detorsion. Platelet-rich plasma (PRP), with its rich growth factor composition, has proven beneficial in regenerative therapy. It is believed that PRP has not been studied in testis for ischemia/reperfusion (I/R) injury. OBJECTIVE: This study investigated the effect of PRP in an I/R rat model 1 month after detorsion. STUDY DESIGN: Of 24 adult male Sprague-Dawley rats, 18 were randomly assigned into three groups, with six in each: control, I/R and I/R + PRP...
January 23, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28204918/androgen-deprivation-therapy-and-the-risk-of-parkinsonism-in-men-with-prostate-cancer
#6
James W S Young, Rinku Sutradhar, Jagadish Rangrej, Connie Marras, Neil Fleshner, Shabbir M H Alibhai
PURPOSE: Case reports and anecdotal experiences suggest that some men develop parkinsonism after initiating androgen deprivation therapy (ADT) for the treatment of prostate cancer, possibly due to neurophysiological effects of changes in testosterone and/or estrogen. We hypothesized that ADT would increase the risk of parkinsonism. METHODS: Using linked administrative databases in Ontario, Canada, men age 40 or older with prostate cancer on continuous ADT for at least 6 months or who underwent bilateral orchiectomy (n = 38,931) were matched 1:1 with men with prostate cancer who had never received ADT...
February 15, 2017: World Journal of Urology
https://www.readbyqxmd.com/read/28203348/flibanserin-for-hypoactive-sexual-desire-disorder-place-in-therapy
#7
REVIEW
Faina Gelman, Jessica Atrio
The pathophysiology, diagnosis and treatment of female sexual interest in pre- and post-menopausal women present a complex arena for patients and physicians to navigate. Flibanserin was the first pharmacologic treatment, approved by the United States Food and Drug Administration in August 2015, for hypoactive sexual desire disorder (HSDD) in premenopausal women. Side effects, contraindications and lack of approval in postmenopausal women are all limitations, as are issues surrounding patient and physician knowledge and access...
January 2017: Therapeutic Advances in Chronic Disease
https://www.readbyqxmd.com/read/28202344/testosterone-replacement-therapy-and-components-of-the-metabolic-syndrome
#8
REVIEW
James Anaissie, Natalie H Roberts, Ping Wang, Faysal A Yafi
INTRODUCTION: The prevalence of metabolic syndrome (MetS) is rapidly increasing in the United States and, because of its strong association with male hypogonadism, has become a significant topic of interest in the sexual medicine community. At the center of this conversation is the efficacy and safety of testosterone replacement therapy (TRT) as a therapeutic option for HG and MetS. AIM: To provide a review of the current literature pertaining to TRT and MetS. METHODS: A thorough literature review was performed to review the relation between TRT and MetS using the PubMed online database from 1976 through 2016 with the keywords testosterone, hypogonadism, metabolic syndrome, and testosterone therapy...
February 12, 2017: Sexual Medicine Reviews
https://www.readbyqxmd.com/read/28201827/hypogonadotropic-hypogonadism-in-non-functioning-pituitary-adenomas-impact-of-intervention
#9
Diana Margarida Monteiro, Paula Freitas, Romana Vieira, Davide Carvalho
To determine the prevalence of hypogonadotropic hypogonadism (HH) among patients with non-functioning pituitary adenomas (NFPA) and the post-surgery outcome on pituitary gonadotropins secretion (PGS); to determine the prevalence of erectile dysfunction (ED) on male patients with NFPA, to evaluate the impact of testosterone replacement therapy (TRT) in those with HH. Retrospective evaluation of gonadal function in 109 NFPA patients (45 males), with a mean age of 51.8 years, diagnosed on the last 10 years. ED questionnaire applied to 34 male patients...
February 15, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28196668/effects-of-sex-hormone-treatment-on-white-matter-microstructure-in-individuals-with-gender-dysphoria
#10
Georg S Kranz, Rene Seiger, Ulrike Kaufmann, Allan Hummer, Andreas Hahn, Sebastian Ganger, Martin Tik, Christian Windischberger, Siegfried Kasper, Rupert Lanzenberger
Sex steroid hormones such as estradiol and testosterone are known to have organizing, as well as activating effects on neural tissue in animals and humans. This study investigated the effects of transgender hormone replacement therapy on white matter microstructure using diffusion tensor imaging. Female-to-male and male-to-female transgender participants were measured at baseline, four weeks and four months past treatment start and compared to female and male controls. We observed androgenization-related reductions in mean diffusivity and increases in fractional anisotropy...
February 13, 2017: NeuroImage
https://www.readbyqxmd.com/read/28195993/subcutaneous-testosterone-letrozole-therapy-before-and-concurrent-with-neoadjuvant-breast-chemotherapy-clinical-response-and-therapeutic-implications
#11
Rebecca L Glaser, Anne E York, Constantine Dimitrakakis
OBJECTIVE: Hormone receptor-positive breast cancers respond favorably to subcutaneous testosterone combined with an aromatase inhibitor. However, the effect of testosterone combined with an aromatase inhibitor on tumor response to chemotherapy was unknown. This study investigated the effect of testosterone-letrozole implants on breast cancer tumor response before and during neoadjuvant chemotherapy. METHODS: A 51-year-old woman on testosterone replacement therapy was diagnosed with hormone receptor-positive invasive breast cancer...
February 13, 2017: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/28191651/the-development-of-prostate-adenocarcinoma-in-a-transgender-male-to-female-patient-could-estrogen-therapy-have-played-a-role
#12
Asma Sharif, Neha R Malhotra, Andres M Acosta, Andre A Kajdacsy-Balla, Maarten Bosland, Grace Guzman, Gail S Prins, Michael R Abern
BACKGROUND: Prostate adenocarcinoma (PCa) is a rare diagnosis in the male to female transgender (MtFT) population with only a few case reports published in the current medical literature. Long standing beliefs of androgen suppression conferring a protective effect against prostate cancer development have been challenged by the literature citing adenocarcinoma development in the prostate of rodent models following combined estrogen and testosterone treatment. MATERIALS AND METHODS: We herein present a MtFT patient who presented with high grade PCa following 20 years of exogenous estrogen therapy...
February 13, 2017: Prostate
https://www.readbyqxmd.com/read/28178640/a-phase-i-ii-study-of-the-investigational-drug-alisertib-in-combination-with-abiraterone-and-prednisone-for-patients-with-metastatic-castration-resistant-prostate-cancer-progressing-on-abiraterone
#13
Jianqing Lin, Sheel A Patel, Ashwin R Sama, Jean H Hoffman-Censits, Brooke Kennedy, Deborah Kilpatrick, Zhong Ye, Hushan Yang, Zhaomei Mu, Benjamin Leiby, Nancy Lewis, Massimo Cristofanilli, William Kevin Kelly
LESSONS LEARNED: Patients with metastatic castration-resistant prostate cancer did not tolerate the combination of alisertib with abiraterone and prednisone.There was no clear signal indicating that adding alisertib might be beneficial for those patients progressing on abiraterone. BACKGROUND: We hypothesized that Aurora A kinase (AK) contributes to castrate resistance in prostate cancer (PCa) and that inhibiting AK with alisertib can resensitize PCa cells to androgen receptor (AR) inhibitor abiraterone...
November 2016: Oncologist
https://www.readbyqxmd.com/read/28168653/effects-of-a-hyperandrogenaemic-state-on-the-proliferation-and-decidualization-potential-in-human-endometrial-stromal-cells
#14
Alexander Freis, Tobias Renke, Ulrike Kämmerer, Julia Jauckus, Thomas Strowitzki, Ariane Germeyer
OBJECTIVE: Polycystic ovary syndrome (PCOS) is the most common endocrine disorder in women, involving hyperandrogenaemia and insulin resistance. Treatment options include dexamethasone, as well as the off-label use of metformin. To evaluate the impact of those drugs on cyclic changes in endometrial development, we tested possible effects of metformin and dexamethasone on endometrial stromal cells decidualisation, proliferation, and gene regulation in a hyperandrogenaemic microenvironment in vitro...
February 6, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28168203/microvesicles-correlated-with-components-of-metabolic-syndrome-in-men-with-type-2-diabetes-mellitus-and-lowered-testosterone-levels-but-were-unaltered-by-testosterone-therapy
#15
Jaco Botha, Line Velling Magnussen, Morten Hjuler Nielsen, Tine Bo Nielsen, Kurt Højlund, Marianne Skovsager Andersen, Aase Handberg
Aims. To investigate how circulating microvesicle phenotypes correlate with insulin sensitivity, body composition, plasma lipids, and hepatic fat accumulation. We hypothesized that changes elicited by testosterone replacement therapy are reflected in levels of microvesicles. Methods. Thirty-nine type 2 diabetic males with lowered testosterone levels were assigned to either testosterone replacement therapy or placebo and evaluated at baseline and after 24 weeks. Microvesicles were analysed by flow cytometry and defined as lactadherin-binding particles within the 0...
2017: Journal of Diabetes Research
https://www.readbyqxmd.com/read/28160246/hypogonadotropic-hypogonadism-in-males-with-glycogen-storage-disease-type-1
#16
Evelyn M Wong, Anna Lehman, Philip Acott, Jane Gillis, Daniel L Metzger, Sandra Sirrs
BACKGROUND: Glycogen storage disease type 1 is an autosomal recessive disorder with an incidence of 1 in 100,000. Long-term complications include chronic blood glucose lability, lactic academia, short stature, osteoporosis, delayed puberty, gout, progressive renal insufficiency, systemic or pulmonary hypertension, hepatic adenomas at risk for malignant transformation, anemia, vitamin D deficiency, hyperuricemic nephrocalcinosis, inflammatory bowel syndrome (type 1b), hypertriglyceridemia, and irregular menstrual cycles...
February 4, 2017: JIMD Reports
https://www.readbyqxmd.com/read/28151719/neoadjuvant-enzalutamide-prior-to-prostatectomy
#17
Bruce Montgomery, Maria S Tretiakova, Anthony Michael Joshua, Martin E Gleave, Neil Fleshner, Glenn J Bubley, Elahe A Mostaghel, Kim N Chi, Daniel Lin, Martin Sanda, William Novotny, Kenneth Wu, Philip W Kantoff, Brett Marck, Steve Plymate, Steven P Balk, Peter S Nelson, Alvin M Matsumoto, Rosina T Lis, Adam Kibel, Gabriel P Haas, Andrew Krivoshik, Alison Hannah, Mary-Ellen Taplin
PURPOSE: Prostate cancer is dependent on androgen receptor (AR) activation. Optimal AR antagonism may effectively cytoreduce local disease and suppress or eliminate micrometastases. We evaluated neoadjuvant therapy prior to prostatectomy with the potent AR antagonist enzalutamide (enza) either alone or in combination with dutasteride and leuprolide (enza/dut/LHRHa). EXPERIMENTAL DESIGN: Forty-eight of 52 men with intermediate or high-risk localized prostate cancer proceeded to prostatectomy after neoadjuvant enza or enza/dut/LHRHa for 6 months...
November 9, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28150363/blood-donation-and-testosterone-replacement-therapy
#18
Benjamin Chin-Yee, Alejandro Lazo-Langner, Terrie Butler-Foster, Cyrus Hsia, Ian Chin-Yee
BACKGROUND: Polycythemia is the most common adverse effect of testosterone replacement therapy (TRT) and may predispose patients to adverse vascular events. Current Canadian guidelines recommend regular laboratory monitoring and discontinuing TRT or reducing the dose if the hematocrit exceeds 54% (hemoglobin ≥180 g/L). This threshold has been interpreted by some physicians and patients to indicate the need for phlebotomy or blood donation while on TRT. STUDY DESIGN AND METHODS: We reviewed all male blood donors in Southwestern Ontario at Canadian Blood Services from December 2013 to March 2016 who self-identified or were found on donor screening to be on TRT...
February 1, 2017: Transfusion
https://www.readbyqxmd.com/read/28149506/treatment-of-hypogonadism-current-and-future-therapies
#19
REVIEW
Arthi Thirumalai, Kathryn E Berkseth, John K Amory
The treatment of hypogonadism in men is of great interest to both patients and providers. There are a number of testosterone formulations currently available and several additional formulations under development. In addition, there are some lesser-used alternative therapies for the management of male hypogonadism, which may have advantages for certain patient groups. The future of hypogonadism therapy may lie in the development of selective androgen receptor modulators that allow the benefits of androgens whilst minimizing unwanted side effects...
2017: F1000Research
https://www.readbyqxmd.com/read/28127501/hippocampal-serotonin-2a-receptor-immunoreactive-neurons-density-increases-after-testosterone-therapy-in-the-gonadectomized-male-mice
#20
Emsehgol Nikmahzar, Mehrdad Jahanshahi, Amir Ghaemi, Gholam Reza Naseri, Ali Reza Moharreri, Ahmad Ali Lotfinia
The change of steroid levels may also exert different modulatory effects on the number and class of serotonin receptors present in the plasma membrane. The effects of chronic treatment of testosterone for anxiety were examined and expression of 5-HT2A serotonergic receptor, neuron, astrocyte, and dark neuron density in the hippocampus of gonadectomized male mice was determined. Thirty-six adult male NMRI mice were randomly divided into six groups: intact-no testosterone treatment (No T), gonadectomy (GDX)-No T, GDX-Vehicle, GDX-6...
December 2016: Anatomy & Cell Biology
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