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Latest & greatest articles for testosterone
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Testosterone Replacement Guidelines Page | 1 BSPED Guideline: Testosterone Therapy in Infancy and Adolescence Initial authors: R El-Khairi, N Shaw, EC Crowne (November 2016) Revision: A Chinoy, EC Crowne, M Skae (January 2018) Scope This guideline is intended for general paediatricians and paediatric endocrinologists who are regularly managing boys with absent/delayed puberty requiring exogenous testosterone therapy. This includes boys with hypogonadotrophic hypogonadism (HH) of various (...) aetiology, androgen deficiency secondary to testicular failure (hypergonadotrophic hypogonadism) of various aetiology, and constitutional delay of growth and puberty (CDGP). The aim of testosterone replacement therapy is to mimic the normal pattern of puberty and mimic requirements at different stages of pubertal development 1 . This guideline aims to provide the clinician with testosterone dosing regimens for pubertal induction, progression and post-pubertal maintenance, as well as for penile growth
Testosterone (Testavan) - testosterone replacement therapy for adult male hypogonadism Published 08 April 2019 1 www.scottishmedicines.org.uk Product update SMC2152 testosterone 20mg/g transdermal gel (Testavan®) Ferring Pharmaceuticals Ltd 8 March 2019 The Scottish Medicines Consortium (SMC) has completed its assessment of the above product and advises NHS Boards and Area Drug and Therapeutic Committees (ADTCs) on its use in NHSScotland. The advice is summarised as follows: ADVICE: following (...) an abbreviated submission testosterone gel (Testavan ® ) is accepted for restricted use within NHSScotland. Indication under review: testosterone replacement therapy for adult male hypogonadism, when testosterone deficiency has been confirmed by clinical features and biochemical tests. SMC restriction: patients requiring a transdermal delivery system. Testosterone (Testavan ® ) is bioequivalent to another testosterone transdermal preparation and costs less. Advice context: No part of this advice may be used
Association of genetically predicted testosterone with thromboembolism, heart failure, and myocardial infarction: mendelian randomisation study in UK Biobank. To determine whether endogenous testosterone has a causal role in thromboembolism, heart failure, and myocardial infarction.Two sample mendelian randomisation study using genetic variants as instrumental variables, randomly allocated at conception, to infer causality as additional randomised evidence.Reduction by Dutasteride of Prostate (...) participants, 13 691 had thromboembolism (6208 men, 7483 women), 1688 had heart failure (1186, 502), and 12 882 had myocardial infarction (10 136, 2746). In men, endogenous testosterone genetically predicted by variants in the JMJD1C gene region was positively associated with thromboembolism (odds ratio per unit increase in log transformed testosterone (nmol/L) 2.09, 95% confidence interval 1.27 to 3.46) and heart failure (7.81, 2.56 to 23.8), but not myocardial infarction (1.17, 0.78 to 1.75
Testosterone Testing - Protocol Testosterone Testing - Protocol - Province of British Columbia theme_3_collection theme_3_frontend theme_3_collection theme_3_frontend Birth, Adoption, Death, Marriage & Divorce theme_1_collection theme_1_frontend theme_1_collection theme_1_frontend British Columbians & Our Governments theme_data_collection data_frontend theme_data_collection data_frontend Data theme_5_collection theme_5_frontend theme_5_collection theme_5_frontend Driving & Transportation (...) & Culture theme_8_collection theme_8_frontend theme_8_collection theme_8_frontend Taxes & Tax Credits theme_14_collection theme_14_frontend theme_14_collection theme_14_frontend Tourism & Immigration Search default_collection default_frontend Section Navigation Testosterone Testing - Protocol Effective Date: September 19, 2018 Recommendations and Topics Scope This protocol reviews the appropriate use of serum testosterone testing in men and women aged ≥ 19 years. This document is intended to direct
Testosterone therapy and venous thromboembolism: A systematic review and meta-analysis Testosterone prescribing for men has dramatically increased, and there have been concerns about inappropriate use and adverse events. While regulatory bodies have warned about increased risk of venous thromboembolism (VTE), published clinical data supporting an increased risk for VTE are limited.To conduct a systematic review of studies examining the association between testosterone therapy in men (...) and VTE.Comprehensive searches of multiple databases were performed from inception through October 3rd, 2018. Randomized control trials (RCTs) and observational studies examining the association between exogenous testosterone (any route) and VTE. Study selection and data extraction were performed by two independent investigators. Random-effect model meta-analyses were used to estimate pooled odds ratios (OR) and 95% confidence intervals (CIs). Heterogeneity among studies was evaluated using the I2 statistic. Risk
Feedback on LH in Testosterone-Clamped Men Depends on the Mode of Testosterone Administration and Body Composition. Quantitative studies of the short-term feedback of testosterone (T) on luteinizing hormone (LH) secretion in healthy men are relatively rare. Such studies require the shutting down of endogenous T secretion and the imposition of experimentally controlled IV T addback.To evaluate whether pulsatile and continuous T delivery confers equivalent negative feedback on LH secretion.This
Testosterone and its derivatives treatment for frailty in elderly people: a systematic review and meta-analysis Print | PDF PROSPERO This information has been provided by the named contact for this review. CRD has accepted this information in good faith and registered the review in PROSPERO. The registrant confirms that the information supplied for this submission is accurate and complete. CRD bears no responsibility or liability for the content of this registration record, any associated files
Association of Testosterone Treatment With Alleviation of Depressive Symptoms in Men: A Systematic Review and Meta-analysis Countering depressive disorders is a public health priority. Currently, antidepressants are the first-line treatment, although they show modest effects. In men, testosterone treatment is a controversial alternative or adjunct treatment option.To examine the association of testosterone treatment with alleviation of depressive symptoms in men and to clarify moderating (...) effects of testosterone status, depression status, age, treatment duration, and dosage.English-language studies published in peer-reviewed journals identified from PubMed/Medline, Embase, Scopus, PsychINFO, and the Cochrane Controlled Trials Register from database inception to March 5, 2018, using the search terms testosterone, mood, administration, dosage, adverse effects, deficiency, standards, therapeutic use, therapy, treatment, and supplementation.Randomized placebo-controlled clinical trials
Multi-year patterns in testosterone, cortisol and corticosterone in baleen from adult males of three whale species Male baleen whales have long been suspected to have annual cycles in testosterone, but due to difficulty in collecting endocrine samples, little direct evidence exists to confirm this hypothesis. Potential influences of stress or adrenal stress hormones (cortisol, corticosterone) on male reproduction have also been difficult to study. Baleen has recently been shown to accumulate (...) steroid hormones during growth, such that a single baleen plate contains a continuous, multi-year retrospective record of the whale's endocrine history. As a preliminary investigation into potential testosterone cyclicity in male whales and influences of stress, we determined patterns in immunoreactive testosterone, two glucocorticoids (cortisol and corticosterone), and stable-isotope (SI) ratios, across the full length of baleen plates from a bowhead whale (Balaena mysticetus), a North Atlantic right
Testosterone Top results for testosterone - Trip Database or use your Google+ account Find evidence fast ALL of these words: Title only Anywhere in the document ANY of these words: Title only Anywhere in the document This EXACT phrase: Title only Anywhere in the document EXCLUDING words: Title only Anywhere in the document Timeframe: to: Combine searches by placing the search numbers in the top search box and pressing the search button. An example search might look like (#1 or #2) and (#3 or #4 (...) ) Loading history... Population: Intervention: Comparison: Outcome: Population: Intervention: Latest & greatest articles for testosterone The Trip Database is a leading resource to help health professionals find trustworthy answers to their clinical questions. Users can access the latest research evidence and guidance to answer their clinical questions. We have a large collection of systematic reviews, clinical guidelines, regulatory guidance, clinical trials and many other forms of evidence. If you
Estradiol Does Not Influence Lipid Measures and Inflammatory Markers in Testosterone-Clamped Healthy Men Experimentally controlled studies of estrogenic regulation of lipid measures and inflammatory cytokines in men are rare.To delineate the effect of estradiol (E2) on lipids and inflammatory markers.This was a placebo-controlled, single-masked, prospectively randomized study comprising experimentally degarelix-downregulated healthy men [n = 74; age 65 years (range, 57 to 77)] assigned to four (...) treatment groups: (1) IM saline and oral placebo; (2) IM testosterone and oral placebo; (3) IM testosterone and oral anastrozole (aromatase inhibitor); and (4) IM testosterone, oral anastrozole, and transdermal E2 for 22 (±1) days.Mean mass spectrometry-quantified serum E2 concentrations ranged from 1.2 to 82 pg/mL in the four treatment groups. E2 extremes did not alter total cholesterol, triglyceride, low-density lipoprotein (LDL) cholesterol, high-density lipoprotein cholesterol (HDL-C) , non-HDL-C
Evaluation and Management of Testosterone Deficiency 1 Executive Summary Testosterone testing and prescriptions have nearly tripled in recent years; however, it is clear from clinical practice that there are many men using testosterone without a clear indication. 1-3 Some studies estimate that up to 25% of men who receive testosterone therapy do not have their testosterone tested prior to initiation of treatment. 2, 3 Of men who are treated with testosterone, nearly half do not have (...) their testosterone levels checked after therapy commences. 2, 3 While up to a third of men who are placed on testosterone therapy do not meet the criteria to be diagnosed as testosterone deficient, 2, 3 there are a large percentage of men in need of testosterone therapy who fail to receive it due to clinician concerns, mainly surrounding prostate cancer development and cardiovascular events, although current evidence fails to definitively support these concerns. Given the clinical and commercial testosterone
Suspected Testosterone-Producing Tumor in a Patient Taking Biotin Supplements A perimenopausal woman presented with palpitations, hirsutism, and inability to lose weight. Laboratory tests revealed an unusual endocrine hormonal profile including pituitary hormones (TSH, ACTH, and prolactin) below reference intervals and gonadal (testosterone) and adrenal (cortisol) hormones above reference intervals. Ultimately, after a comprehensive workup including a scheduled surgical procedure, abnormal (...) , but also in tests for gonadal steroids, adrenal, and pituitary hormones. Falsely high as well as falsely low results can be ascribed to biotin. Competitive immunoassays (Fig. 1A)- in this case, tests used initially for serum cortisol and testosterone- can demonstrate falsely high results. Interference falsely lowers the immunometric "sandwich" immunoassay (Fig. 1B)-in this case, TSH. Biotin effect on our patient's endocrine testing led to decidedly abnormal findings, unnecessary medical referrals
Association of serum testosterone and dehydroepiandrosterone sulfate with rheumatoid arthritis: a case control study It is supposed that hypoandrogenism may be involved in the pathogenesis of rheumatoid arthritis (RA). Testosterone and dehydroepiandrosterone sulfate (DHEAs) levels decrease in body fluids of patients with RA.The aim of this study was to determine the association of serum testosterone and DHEAs with RA.This case-control study was conducted on 59 patients with RA and 61 healthy (...) gender- and age-matched controls at Qazvin University of Medical Sciences, Qazvin, Iran, in 2014. Serum free testosterone and DHEAs levels were measured and compared between two groups. Serum testosterone levels lower than 0.029 ng/ml in females and 2.49 ng/ml in males were considered as abnormal. DHEAs levels lower than 18.9 μg/dl in females and 88.9 μg/dl in males were considered as abnormal. Data were analyzed using independent sample T-test, Chi-square test, and logistic regression analysis
Testosterone and All-Cause Mortality in Older Men: The Role of Metabolic Syndrome Previous studies have shown controversial results about the role of testosterone in all-cause mortality in elderly men. We hypothesized that metabolic syndrome (MetS) could partly explain this discrepancy. We therefore examined the association of all-cause mortality with total and bioavailable testosterone, taking into account the MetS. We used data from the Three-City Cohort (3C) study with 12-year follow-up (...) . The 3C study included 3650 men aged >65 years in three French cities. Hormone was measured in a random subsample of 444 men, and MetS was determined as stated by the International Diabetes Federation criteria. We used inverse-probability-weighted Cox regression to estimate hazard ratios (HRs) and 95% confidence intervals (95% CIs). Of 444 men included in the analysis, 106 (23.9%) had MetS at baseline, and 166 died over the follow-up. There was a significant interaction between testosterone level
Bioavailable Testosterone Is Positively Associated With Bone Mineral Density in Male Kidney Transplantation Candidates Low levels of sex hormones are common in patients with chronic kidney disease (CKD) and may be a contributing factor to bone fragility. We investigated associations between levels of sex hormones and bone mineral density (BMD) in adult kidney transplantation candidates.Volumetric BMD of spine and hip were measured by computed tomography. Parathyroid hormone (PTH), testosterone
Associations Between Low Serum Testosterone and All-Cause Mortality and Infection-Related Hospitalization in Male Hemodialysis Patients: A Prospective Cohort Study Infectious diseases are the second highest cause of death in patients on dialysis. In addition, testosterone deficiency or hypogonadism is prevalent in dialysis patients. However, to our knowledge, no studies have investigated the association between testosterone levels and infectious events. We aimed to evaluate whether serum (...) testosterone levels are associated with infection-related hospitalization in male hemodialysis patients in a prospective cohort study.We divided the study population into 3 groups based on serum testosterone levels. Associations between testosterone levels and clinical outcomes of infection-related hospitalization, all-cause mortality, and cardiovascular disease (CVD) events were analyzed using the Cox proportional hazard model.Nine hundred two male patients were enrolled and followed up for a median
Serum testosterone changes in patients treated with radiation therapy alone for prostate cancer on NRG oncology RTOG 9408 We reviewed testosterone changes for patients who were treated with radiation therapy (RT) alone on NRG oncology RTOG 9408.Patients (T1b-T2b, prostate-specific antigen <20 ng/mL) were randomized between RT alone and RT plus 4 months of androgen ablation. Serum testosterone (ST) levels were investigated at enrollment, RT completion, and the first follow-up 3 months after RT (...) . The Wilcoxon signed rank test was used to compare pre- and post-treatment ST levels in patients who were randomized to the RT-alone arm.Of 2028 patients enrolled, 992 patients were randomized to receive RT alone and 917 (92.4%) had baseline ST values available and completed RT. Of these 917 patients, immediate and 3-month post-RT testosterone levels were available for 447 and 373 patients, respectively. Excluding 2 patients who received hormonal therapy off protocol after RT, 447 and 371 patients
Serum Testosterone Concentrations Remain Stable Between Injections in Patients Receiving Subcutaneous Testosterone Intramuscular (IM) testosterone is the most common modality for testosterone therapy of both male hypogonadism and female-to-male (FTM) gender transition. However, IM injections can be painful and often are not self-administered by the patient. The objective of this study was to further characterize subcutaneous (SC) administration of testosterone as an effective and safe (...) alternative to IM injections by evaluating the pharmacodynamics of serum total and free testosterone concentrations between weekly testosterone injections.Eleven FTM transgender patients already receiving weekly SC testosterone cypionate with documented therapeutic levels prior to enrollment had free and total serum testosterone levels measured at eight different time points during a 1-week dosing interval.Mean levels of total and free testosterone were stable and remained well within the normal range