Role of sex hormone-binding globulin in the free hormone hypothesis and the relevance of free testosterone in androgen physiology

N Narinx, K David, J Walravens, P Vermeersch… - Cellular and Molecular …, 2022 - Springer
According to the free hormone hypothesis, biological activity of a certain hormone is best
reflected by free rather than total hormone concentrations. A crucial element in this theory is …

Reference ranges and determinants of testosterone, dihydrotestosterone, and estradiol levels measured using liquid chromatography-tandem mass spectrometry in a …

BB Yeap, H Alfonso, SAP Chubb… - The Journal of …, 2012 - academic.oup.com
Context: Testosterone (T) levels decline with increasing age. Controversy exists over the
threshold for classifying T as low vs. normal in older men. The relevance of assessing …

Effect of testosterone replacement on response to sildenafil citrate in men with erectile dysfunction: a parallel, randomized trial

M Spitzer, S Basaria, TG Travison… - Annals of internal …, 2012 - acpjournals.org
This article has been corrected. The original version (PDF) is appended to this article as a
supplement. Background: Erectile dysfunction and low testosterone levels frequently occur …

Effect of testosterone replacement therapy on sexual function and hypogonadal symptoms in men with hypogonadism

KM Pencina, TG Travison… - The Journal of …, 2024 - academic.oup.com
Context Few long-term randomized trials have evaluated the efficacy of testosterone
replacement therapy (TRT) in improving sexual function and hypogonadal symptoms in men …

Sex hormone therapy and tenofovir diphosphate concentration in dried blood spots: primary results of the interactions between antiretrovirals and transgender …

RM Grant, M Pellegrini, PA Defechereux… - Clinical Infectious …, 2021 - academic.oup.com
Background Sex hormone and preexposure prophylaxis (PrEP) drug interactions among
transgender women (TGW), transgender men (TGM), and cisgender men (CGM) are not fully …

Testosterone replacement therapy: for whom, when and how?

CP Tsametis, AM Isidori - Metabolism, 2018 - Elsevier
The finding of low circulating testosterone level in men is relatively frequent. The symptoms
of hypogonadism are very frequent in the aging men. However, the diagnosis of …

The future of sperm: a biovariability framework for understanding global sperm count trends

M Boulicault, M Perret, J Galka, A Borsa… - Human …, 2022 - Taylor & Francis
The past 50 years have seen heated debate in the reproductive sciences about global
trends in human sperm count. In 2017, Levine and colleagues published the largest and …

Effects of testosterone treatment on body fat and lean mass in obese men on a hypocaloric diet: a randomised controlled trial

M Ng Tang Fui, LA Prendergast, P Dupuis, M Raval… - BMC medicine, 2016 - Springer
Background Whether testosterone treatment has benefits on body composition over and
above caloric restriction in men is unknown. We hypothesised that testosterone treatment …

Androgens, aging, and prostate health

K Welén, JE Damber - Reviews in Endocrine and Metabolic Disorders, 2022 - Springer
Due to late onset hypogonadism (LOH), there is an increased usage of testosterone
replacement therapy (TRT) in the aging male population. Since prostate is a target organ for …

The safety, pharmacokinetics, and effects of LGD-4033, a novel nonsteroidal oral, selective androgen receptor modulator, in healthy young men

S Basaria, L Collins, EL Dillon, K Orwoll… - … Series A: Biomedical …, 2013 - academic.oup.com
Background. Concerns about potential adverse effects of testosterone on prostate have
motivated the development of selective androgen receptor modulators that display tissue …