, Volume 20, Issue 12, pp 2095-2104
Date: 07 Apr 2009

Teriparatide versus alendronate for treating glucocorticoid-induced osteoporosis: an analysis by gender and menopausal status

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Abstract

Summary

The effects of teriparatide versus alendronate were compared by gender and menopausal status in patients with glucocorticoid-induced osteoporosis. At 18 months, increases in lumbar spine BMD were significantly greater in the teriparatide versus alendronate group in postmenopausal women (7.8% versus 3.7%, p < 0.001), premenopausal women (7.0% versus 0.7%, p < 0.001), and men (7.3% versus 3.7%, p = 0.03).

Introduction

In patients with glucocorticoid-induced osteoporosis (GIO), teriparatide significantly increased bone mineral density (BMD) and decreased vertebral fractures compared with alendronate. We examined effects of teriparatide versus alendronate by gender and menopausal status.

Methods

This was a multicenter, randomized, double-blind study of teriparatide 20 µg/day versus alendronate 10 mg/day in patients with GIO (277 postmenopausal women, 67 premenopausal women, 83 men). Primary outcome was change in lumbar spine BMD. Secondary outcomes included change in hip BMD, change in bone biomarkers, fracture incidence, and safety.

Results

At 18 months, mean percent increases from baseline in lumbar spine BMD were significantly greater in the teriparatide versus alendronate group in postmenopausal women (7.8% versus 3.7%, p < 0.001), premenopausal women (7.0% versus 0.7%, p < 0.001), and men (7.3% versus 3.7%, p = 0.03). Radiographic vertebral fractures occurred in one teriparatide (one postmenopausal) and ten alendronate patients (six postmenopausal, four men), and nonvertebral fractures occurred in 12 teriparatide (nine postmenopausal, two premenopausal, one man) and eight alendronate patients (six postmenopausal, two men). The proportion of patients reporting adverse events in teriparatide versus alendronate groups was consistent across subgroups.

Conclusion

Among men and pre- and postmenopausal women with GIO, lumbar spine BMD increased more in patients receiving teriparatide compared with alendronate.