Effects of oral testosterone undecanoate therapy on bone mineral density and body composition in 322 aging men with symptomatic testosterone deficiency: A 1-year, randomized, placebo-controlled, dose-ranging study

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Abstract

Objective: We investigated the effects of oral testosterone undecanoate (TU) on bone mineral density (BMD), lean body mass (LBM) and body fat mass (BFM) in aging men with symptomatic testosterone deficiency (TD). Methods: Three hundred twenty-two men 50 years with TD symptoms and calculated free testosterone <0.26nmol/L participated in a multicenter, double-blind, placebo-controlled trial. Patients were randomized to placebo, oral TU 80mg/d, oral TU 160mg/d, or oral TU 240mg/d, administered as divided doses with normal meals. BMD of the hip and lumbar spine were evaluated by dual energy X-ray absorptiometry (DEXA), and body composition (LBM and BFM) by whole body DEXA. Results: Oral TU significantly increased BMD at Month 12 at the lumbar spine (240mg/d), total hip (240mg/d), and trochanter and intertrochanter (160 and 240mg/d) compared with placebo. Oral TU significantly increased LBM at Months 6 and 12 for all oral TU groups compared with placebo. BFM significantly decreased at Month 6 (all oral TU groups) and Month 12 (160mg/d) compared with placebo. The effects on BMD and body composition showed a clear dose response. Conclusions: Treatment with oral TU led to improvement in BMD, LBM and BFM in aging men with symptomatic TD. © 2013 Informa UK Ltd. All rights reserved: reproduction in whole or part not permitted.

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Bouloux, P. M. G., Legros, J. J., Elbers, J. M. H., Geurts, T. B. P., Kaspers, M. J. G. H., Meehan, A. G., & Meuleman, E. J. H. (2013). Effects of oral testosterone undecanoate therapy on bone mineral density and body composition in 322 aging men with symptomatic testosterone deficiency: A 1-year, randomized, placebo-controlled, dose-ranging study. Aging Male, 16(2), 38–47. https://doi.org/10.3109/13685538.2013.773420

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