Title

An investigation of the predictors of bone mineral density and response to therapy with alendronate in osteoporotic men.

Document Type

Article

Publication Date

2003

Keywords

Alendronate, Biological-Markers, Body-Mass-Index, Bone-Density, Human, Male, Medical-Records, Middle-Aged, Multivariate-Analysis, Osteoporosis, Prognosis, Spinal-Fractures, SUPPORT-NON-U-S-GOVT, Testosterone

First Page

5759

Last Page

5765

JAX Source

J Clin Endocrinol Metab 2003 Dec; 88(12):5759-65.

Abstract

Male osteoporosis is an important disease, with 25-30% of all hip fractures occurring in men. In a recent randomized, placebo-controlled study of osteoporotic males, alendronate 10 mg daily for 2 yr led to significant increments in bone mineral density (BMD), of a similar magnitude to those observed in postmenopausal women. In this study, specimens collected at intervals during the recent trial of alendronate in male osteoporosis, from 197 of the original 241 participants, were assayed for testosterone, estradiol, IGF-I, IGF binding protein 3 (IGFBP-3), bone-specific alkaline phosphatase [BSAP (serum)], and N-telopeptide of type I collagen corrected for creatinine [NTx (urine)]. Together with fracture and densitometry data from the original study, relationships were examined between BMD and serum IGF-I, IGFBP-3, testosterone, estradiol, BSAP, and urine NTx, both at baseline and during treatment with alendronate, to gain possible insights into the pathogenesis of male osteoporosis. Statistically significant (P

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