Effect of alendronate treatment on bone mineral density in male patients with osteoporosis.

Endocrine Practice : Official Journal of the American College of Endocrinology and the American Association of Clinical Endocrinologists
A J DrakeK M Shakir

Abstract

To assess the efficacy of alendronate therapy on bone mineral density (BMD) at the lumbar spine and hip in men with osteoporosis. Medical records of male patients with osteoporosis, who had undergone follow-up in the Endocrinology Clinic at the National Naval Medical Center, were reviewed, and nine patients treated with alendronate for at least 1 year were identified. Patients were excluded from analysis if they had evidence of osteomalacia or if baseline and follow-up BMD results on the same dual-energy x-ray absorptiometry (DEXA) densitometer, at least 10 months apart, were not available. DEXA BMD results at the lumbar spine and hip, before and after at least 10 months of alendronate treatment, were analyzed for significant differences. Patients were also receiving calcium supplementation (1,000 to 1,500 mg/day), and all but one patient received vitamin D (400 to 800 U/day). Lumbar spine BMD increased by 6.4 +/- 1.8% per year with alendronate treatment (P = 0.008). A mean absolute gain of 0.052 +/- 0.010 g/cm 2 (P = 0.005) in lumbar spine BMD was noted for the entire study group (N = 9), after a mean duration of treatment of 14 +/- 1 months. The mean lumbar spine BMD Z score improved by 0.40 +/- 0.09 (P = 0.002) with alendron...Continue Reading

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