Abstract
OBJECTIVES: To investigate the effect of testosterone treatment on biomarkers calprotectin, fibroblast growth factor 23 (FGF23), soluble Klotho, phosphate, calcium, parathyroid hormone, creatinine and estimated glomerular filtration rate.
DESIGN: Randomized, double-blinded, placebo-controlled study.
SETTING: Odense Androgen Study-the effect of Testim and training in hypogonadal men.
PARTICIPANTS: Men aged 60-78 years old with a low normal concentration of free of bioavailable testosterone <7.3 nmol/L and waist circumference >94 cm recruited from 2008 to 2009 (N = 48) by advertisement.
INTERVENTION: Participants were randomized to receive 5-10 g gel/50-100 mg testosterone (Testim®, Ipsen, France) or 5-10 g gel/placebo.
RESULTS: The plasma levels of calprotectin and phosphate were significantly reduced in the group receiving testosterone therapy (gel) compared to the placebo group (p < 0.05). Testosterone treatment did not have any significant effect on plasma levels of FGF23 or soluble Klotho. The reduction in phosphate levels was inversely associated with bioavailable testosterone.
CONCLUSION: Compared to the placebo group, 6 months of testosterone therapy (gel) reduced calprotectin and phosphate levels suggesting decreased inflammation and decreased cardiovascular risk.
Originalsprog | Engelsk |
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Sider (fra-til) | 529-538 |
Antal sider | 10 |
Tidsskrift | Journal of endocrinological investigation |
Vol/bind | 40 |
Udgave nummer | 5 |
DOI | |
Status | Udgivet - maj 2017 |