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Year : 2012  |  Volume : 16  |  Issue : 6  |  Page : 947-951

Effects of short-term testosterone replacement on areal bone mineral density and bone turnover in young hypogonadal males

Department of Medical Endocrinology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India

Correspondence Address:
Sushil Kumar Gupta
Department of Endocrinology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Raebareli Road, Lucknow - 226 014
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/2230-8210.102997

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Context: Effect of parenteral testosterone esters administration on bone-mineral density (BMD) and bone turnover in young age onset male hypogonadism is not studied in Indian subjects. Aims: To prospectively study the effect of short-term (6 months) replacement therapy with parenteral testosterone enanthate-propionate combination on BMD and bone turnover markers in hypogonadal adult patients. Settings and Design: Prospective, tertiary care academic center. Materials and Methods: Thirteen young, otherwise healthy hypogonadal males (age 25.5 ± 4.9 yrs, serum testosterone 2.56 ± 4.29 nmol/l) were subjected to BMD measurements (DXA) and estimation of urinary Crosslaps™ and serum osteocalcin at baseline. Twelve healthy age and BMI-matched males served as controls for BMD measurements. The hypogonadal patients were administered parenteral testosterone esters (as mixed enanthate and propionate) 250 mg i.m. every 2-3 weeks, and prospectively followed for 6 months. BMD and bone markers were studied at the end of 6 months. Statistical Analysis Used: Mann-Whitney nonparametric test, paired t-test and Pearson's test of two-tail significance. Results: At baseline, BMD was significantly lower in hypogonadal males as compared to that in controls. With testosterone replacement, there was significant improvement in BMD, both at trabecular and cortical sites, There was a decline in bone turnover with treatment (Ur Crosslaps™:creatinine ratio: pretreatment 72.8 ± 40.4, post-treatment 35.5 ± 23.8 μg/mmol, P = 0.098; serum osteocalcin: pre-treatment 41.0 ± 16.8, post-treatment 31.7 ± 2.1 ng/ml, P = 0.393). Conclusions: Short-term parenteral testosterone replacement significantly improves BMD at the hip, lumbar spine and forearm in hypogonadal young males.

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