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Late Onset Hypogonadism

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https://www.readbyqxmd.com/read/28497912/testosterone-replacement-therapy-long-term-safety-and-efficacy
#1
REVIEW
Giovanni Corona, Alessandra Sforza, Mario Maggi
Recent position statements and guidelines have raised the distinction between a true and false, age-related hypogonadism (HG) or late-onset hypogonadism (LOH). The former is the consequence of congenital or acquired "organic" damage of the brain centers or of the testis. The latter is mainly secondary to age-related comorbidities and does not require testosterone (T) therapy (TTh). In addition, concerns related to cardiovascular (CV) safety have further increased the scepticism related to TTh. In this paper, we reviewed the available evidence supporting the efficacy of TTh in non-organic HG and its long term safety...
April 30, 2017: World Journal of Men's Health
https://www.readbyqxmd.com/read/28495861/testosterone-treatment-and-cardiovascular-and-venous-thromboembolism-risk-what-is-new
#2
G Corona, M Dicuio, G Rastrelli, E Maseroli, F Lotti, A Sforza, M Maggi
In men, testosterone (T) production declines as a function of ageing. Late-onset hypogonadism (LOH) is the most commonly used term to indicate this age-related condition. In LOH, the relative clinical significance and the potential benefit of testosterone treatment (TTh) are still the subject of strong criticisms in the scientific community. The debate is further complicated by the recent position statement of the US Food and Drug Administration (FDA) emphasizing that, in LOH, the benefits and safety of TTh have not been fully established...
May 10, 2017: Journal of Investigative Medicine: the Official Publication of the American Federation for Clinical Research
https://www.readbyqxmd.com/read/28472914/low-testosterone-levels-and-metabolic-syndrome-in-aging-male
#3
Rodrigo Blaya, Patrícia Blaya, Luiza Rhoden, Ernani Luis Rhoden
Advances in medicine and progressive improvements in the health of the general population in developed countries have led to considerable increases in life expectancy over recent years. Metabolic syndrome (MetS) affects approximately 25% of the adult population and its prevalence is increasing all over the world. Central obesity plays an important role in emergence of MetS. Some studies have suggested that there may be link between low Total Testosterone levels and emergence of MetS. The objective of this review is to analyze the complex network of interactions between MetS and low testosterone levels in elderly men, considering etiologic, diagnostic, and therapeutic aspects...
May 3, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28470687/correlates-and-prevalence-of-hypogonadism-in-patients-with-early-and-late-onset-type-2-diabetes
#4
Y Li, M Zhang, X Liu, W Cui, S Rampersad, F Li, Z Lin, P Yang, H Li, C Sheng, X Cheng, S Qu
This study aims to compare the prevalence of hypogonadism between male patients with early-onset type 2 diabetes mellitus (T2DM) and late-onset type 2 diabetes. A total of 122 male patients with early-onset T2DM (diagnosis age ≤40 years) and 100 male patients with late-onset T2DM (diagnosis age >40 years) were recruited from our in-patient department between 1 January 2013 and 28 December 2015. Serum FSH, LH, testosterone, lipid profile, uric acid, HbA1c, and beta-cell function were determined in blood samples...
May 3, 2017: Andrology
https://www.readbyqxmd.com/read/28437248/protective-effect-of-calretinin-on-testicular-leydig-cells-via-the-inhibition-of-apoptosis
#5
Wendan Xu, Qian Zhu, Bei Zhang, Shan Liu, Xiaonan Dai, Chao Gao, Li Gao, Yugui Cui
The core mechanism of Late-onset hypogonadism (LOH) is the deficiency of androgen due to the functional and quantitative decline of testicular Leydig cells. Here we explored the protective effect of calretinin, a Ca(2+)-binding protein, on Leydig cells. We found in MLTC-1 cells transfected with LV-calb2, the cell viability and optical density (OD) were higher (p<0.05), cells in the S phase of the cell cycle were increased (p<0.01) and p-ERK1/2 and p-AKT levels were significantly higher (p<0.01 and p<0...
April 2017: Aging
https://www.readbyqxmd.com/read/28409902/testosterone-level-and-endothelial-dysfunction-in-patients-with-vasculogenic-erectile-dysfunction
#6
Y A Omar, S E Younis, I Y Ismail, A I El-Sakka
The association between endothelial dysfunction and late onset hypogonadism (LOH) in patients with vasculogenic erectile dysfunction (ED) is not yet well settled. Our objective was to assess the association between LOH and endothelial dysfunction in patients with vasculogenic ED. Throughout 2014-2015 a total of 90 men were enrolled in this cross-sectional observational study. Of them 60 patients with a clinical diagnosis of ED were further subdivided into two equal groups: patients with vasculogenic ED and LOH (A); patients with vasculogenic ED and euogonadal (B)...
May 2017: Andrology
https://www.readbyqxmd.com/read/28367841/a-higher-score-on-the-aging-males-symptoms-scale-is-associated-with-insulin-resistance-in-middle-aged-men
#7
Nobuya Hamanoue, Makito Tanabe, Tomoko Tanaka, Yuko Akehi, Junji Murakami, Takashi Nomiyama, Toshihiko Yanase
An age-associated androgen decrease and its pathological conditions are defined as late-onset hypogonadism (LOH). Among the various symptoms associated with LOH, a visceral fat increase is strongly associated with relatively low levels of testosterone. However, few studies have investigated the relationship between the Aging Males' Symptoms (AMS) scores and metabolic abnormalities. Thus, we aimed to clarify this relationship by investigating the relationship between AMS scores and various markers in blood. During routine health examinations in 241 middle-aged males (52...
March 30, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/28333214/-forever-young-%C3%A2-testosterone-replacement-therapy-a-blockbuster-drug-despite-flabby-evidence-and-broken-promises
#8
Andrea Busnelli, Edgardo Somigliana, Paolo Vercellini
In the last decade, testosterone replacement therapy (TRT) has been increasingly prescribed to treat a controversial condition known as 'late-onset hypogonadism (LOH)'. This syndrome is diagnosed in men who, for no discernible reason other than older age, obesity or ill health have serum testosterone concentrations below the normal range for healthy young men and report one or more of the following symptoms: muscle weakness or wasting, mood, behaviour and cognition-related symptoms and sexual function or libido impairment...
April 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28295504/testosterone-therapy-has-positive-effects-on-anthropometric-measures-metabolic-syndrome-components-obesity-lipid-profile-diabetes-mellitus-control-blood-indices-liver-enzymes-and-prostate-health-indicators-in-elderly-hypogonadal-men
#9
O Canguven, R A Talib, W El Ansari, D-J Yassin, M Salman, A Al-Ansari
To alleviate late-onset hypogonadism, testosterone treatment is offered to suitable patients. Although testosterone treatment is commonly given to late-onset hypogonadism patients, there remains uncertainty about the metabolic effects during follow-ups. We assessed the associations between testosterone treatment and wide range of characteristics that included hormonal, anthropometric, biochemical features. Patients received intramuscular 1,000 mg testosterone undecanoate for 1 year. Patient anthropometric measurements were undertaken at baseline and at each visit, and blood samples were drawn at each visit, prior to the next testosterone undecanoate...
March 10, 2017: Andrologia
https://www.readbyqxmd.com/read/28284037/a-novel-dax-1-mutation-in-two-male-siblings-presenting-with-precocious-puberty-and-late-onset-hypogonadotropic-hypogonadism
#10
Yanxia Liu, Jinlei Yuan, Huijuan Zhang, Yanyan Jiang, Guijun Qin
Background The DAX-1 gene is associated with X-linked adrenal hypoplasia congenita (AHC). Our objective was to compare the DAX-1 gene sequence of two male siblings exhibiting different clinical manifestations of AHC. Methods Clinical features were analyzed and laboratory data were collected from both siblings. Genomic DNA was extracted from the peripheral blood leukocytes of the siblings and their parents and the DAX-1 gene exons and intron-flanking regions were amplified by the polymerase chain reaction. The DAX-1 gene sequences were compared following sequencing...
March 1, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/28078221/testosterone-replacement-therapy-and-voiding-dysfunction
#11
REVIEW
Wesley Baas, Tobias S Köhler
Testosterone replacement therapy (TRT) represents an increasing popular treatment option for men with late-onset hypogonadism (LOH). Because of unsubstantiated beliefs of testosterone's effect on the prostate, the FDA has recently placed a warning on testosterone products, stating that TRT may worsen benign prostatic hyperplasia (BPH). Within this review article we have demonstrated the current understanding of the physiology of testosterone and its relationship with prostatic and lower urinary tract physiology...
December 2016: Translational Andrology and Urology
https://www.readbyqxmd.com/read/27923967/multi-institutional-survey-of-medical-treatment-for-late-onset-hypogonadism-in-japan
#12
Hisanori Taniguchi, Tadashi Matsuda
The adequate criteria for late-onset hypogonadism (LOH) diagnosis, including serum testosterone levels, type (total or free testosterone) and duration of androgen replacement therapy, and evaluations of treatment effectiveness remain controversial. To evaluate the current status of medical treatment for LOH in Japan, the first nationwide survey were performed. A total of 35 questionnaires answered by urologists in high-volume facilities were analyzed. The median numbers of patients with hypogonadism-related symptoms per month were 10...
December 5, 2016: American Journal of Men's Health
https://www.readbyqxmd.com/read/27866050/boucher-neuh%C3%A3-user-syndrome-a-rare-cause-of-inherited-hypogonadotropic-hypogonadism-a-case-of-two-adult-siblings-with-two-novel-mutations-in-pnpla6
#13
Jakob H Langdahl, Anja L Frederiksen, Nina Nguyen, Klaus Brusgaard, Claus B Juhl
Boucher Neuhäuser Syndrome (BNS) is a rare clinical syndrome with autosomal recessive inheritance defined by early-onset ataxia, hypogonadism and chorioretinal dystrophy. We present two siblings diagnosed with BNS in late adult life identified with compound heterozygous state of two novel PNPLA6 mutations. Five healthy siblings were non- or heterozygous carriers of the mutations. The cases, which presented with ataxia in childhood and hypogonadotropic hypogonadism (HH), were diagnosed at age 17 and 25, respectively, when examined for delayed puberty...
February 2017: European Journal of Medical Genetics
https://www.readbyqxmd.com/read/27857837/autoimmune-polyendocrinopathy-and-hypophysitis-after-puumala-hantavirus-infection
#14
Marlene Tarvainen, Satu Mäkelä, Jukka Mustonen, Pia Jaatinen
Puumala hantavirus (PUUV) infection causes nephropathia epidemica (NE), a relatively mild form of haemorrhagic fever with renal syndrome (HFRS). Hypophyseal haemorrhage and hypopituitarism have been described in case reports on patients with acute NE. Chronic hypopituitarism diagnosed months or years after the acute illness has also been reported, without any signs of a haemorrhagic aetiology. The mechanisms leading to the late-onset hormonal defects remain unknown. Here, we present a case of NE-associated autoimmune polyendocrinopathy and hypopituitarism presumably due to autoimmune hypophysitis...
2016: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/27849376/clomiphene-citrate-in-the-treatment-of-idiopathic-or-functional-hypogonadotropic-hypogonadism-in-men-a-case-series-and-review-of-the-literature
#15
Yair Liel
OBJECTIVE: Late-onset hypogonadotropic hypogonadism (LOH) is a complex, heterogeneous entity. Whenever treatment is indicated, the endocrine literature has recommend testosterone replacement. We present our experience with clomiphene citrate treatment in patients with LOH and a review of the literature. METHODS: This retrospective case series included 18 male patients with hypogonadotropic hypogonadism, roughly according to the European Male Aging Study criteria for LOH, attended at an academic hospital outpatient clinic...
March 2017: Endocrine Practice
https://www.readbyqxmd.com/read/27831823/aging-and-sex-hormones-in-males
#16
Maria Chiara Decaroli, Vincenzo Rochira
Several large cohort studies have disclosed the trajectories of sex steroids changes overtime in men and their clinical significance. In men the slow, physiological decline of serum testosterone (T) with advancing age overlaps with the clinical condition of overt, pathological hypogonadism. In addition, the increasing number of comorbidities, together with the high prevalence of chronic diseases, all further contribute to the decrease of serum T concentrations in the aging male. For all these reasons both the diagnosis of late-onset hypogonadism (LOH) in men and the decision about starting or not T replacement treatment remain challenging...
November 10, 2016: Virulence
https://www.readbyqxmd.com/read/27778105/can-early-clinical-parameters-predict-post-traumatic-pituitary-dysfunction-in-severe-traumatic-brain-injury
#17
O Nemes, N Kovacs, Sz Szujo, B Bodis, L Bajnok, A Buki, T Doczi, E Czeiter, E Mezosi
BACKGROUND: Post-traumatic hypopituitarism is a major complication after severe head trauma. The aim of our study was to evaluate the possible role of early clinical parameters in the development of endocrine deficits. METHODS: Data on endocrine function, on-admission clinical-, laboratory-, and ICU-monitored parameters were available in 63 patients of the surviving 86 severe head injury patients (post-resuscitation GCS under 8) treated at one neurosurgical center during a 10-year period...
October 25, 2016: Acta Neurochirurgica
https://www.readbyqxmd.com/read/27734705/-testosterone-and-mortality
#18
Luboslav Stárka
Subnormal levels of testosterone are frequently found in men of higher age category. Hypogonadal men have lower life expectancy than men with full androgenization and cardiovascular disease, obesity or diabetes is often associated with hypotestosteronemia. Low testosterone level is risk factor for these diseases. However, until now it is not clear whether testosterone deficiency is a cause or consequence of atherosclerosis or metabolic syndrome. A handful of symptoms and metabolic risk markers in hypogonadal men can be ameliorated by testosterone supplementation...
2016: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/27732978/prevalence-of-late-onset-hypogonadism-in-men-with-localized-and-metastatic-renal-cell-carcinoma
#19
Bernhard Ralla, Ahmed Magheli, Ingmar Wolff, Barbara Erber, Irena Goranova, Frank Friedersdorff, Stefan Hinz, Carsten Kempkensteffen, Kurt Miller, Jonas Busch
BACKGROUND: Cancer-related fatigue is a common symptom in patients with renal cell carcinoma (RCC) and can be similar to the fatigue found in late-onset hypogonadism (LOH). The aim of this study was to investigate the prevalence of LOH in patients with localized RCC (loRCC) and metastatic RCC (mRCC) disease under targeted therapy (TT) and compare the results to findings of epidemiologic studies. METHODS: A total of 51 mRCC patients under TT and 33 patients with loRCC undergoing nephrectomy were included...
2017: Urologia Internationalis
https://www.readbyqxmd.com/read/27714896/comparing-calculated-free-testosterone-with-total-testosterone-for-screening-and-diagnosing-late-onset-hypogonadism-in-aged-males-a-cross-sectional-study
#20
Zhangshun Liu, Jie Liu, Xiaohong Shi, Lihong Wang, Yan Yang, Minfang Tao, Qiang Fu
OBJECTIVE: The aim of this study is to compare calculated free testosterone (cFT) and total testosterone (T) in predicting late-onset hypogonadism (LOH) in middle-aged and elderly males. METHODS: We surveyed a random sample of 608 males between the ages of 45 and 87 years from Shanghai, China. The Aging Male Symptoms (AMS) questionnaire and the Androgen Deficiency in Aging Male (ADAM) questionnaire were completed by the subjects. Testosterone (T), sex hormone-binding globulin (SHBG), albumin, and other blood biochemical indexes were measured in 332 males...
October 7, 2016: Journal of Clinical Laboratory Analysis
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