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Review
. 2020 Mar 13;4(1):rkaa008.
doi: 10.1093/rap/rkaa008. eCollection 2020.

The therapeutic efficacy of denosumab for the loss of bone mineral density in glucocorticoid-induced osteoporosis: a meta-analysis

Yuta Yamaguchi  1 , Takayoshi Morita  1   2 , Atsushi Kumanogoh  1   2   3
Affiliations
Review

The therapeutic efficacy of denosumab for the loss of bone mineral density in glucocorticoid-induced osteoporosis: a meta-analysis

Yuta Yamaguchi et al. Rheumatol Adv Pract. .

Abstract

Objective: Prevention of steroidal osteoporosis is an important issue. There is no clear consensus on the impact of anti-RANKL antibody (denosumab) on BMD in patients with glucocorticoid-induced osteoporosis (GIO). In this study, we aimed to evaluate the impact of denosumab on BMD loss in patients with GIO.

Methods: A comprehensive systematic review and meta-analysis was conducted in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA) guidelines. PubMed, Web of Science and Google Scholar were used to search for original studies reported about BMD in patients with GIO treated with denosumab. In meta-analysis of BMD, the mean difference in the rate of change from baseline and the 95% CI were calculated using the random effects model. The mean differences in patients treated with denosumab were compared with those in patients treated with bisphosphonates.

Results: Out of 713 studies identified, seven studies met the selection criteria for the meta-analysis. At 6 and 12 months of denosumab therapy, increases in BMD were observed in the lumbar spine (2.99% [95% CI 2.71, 3.28] and 4.59% [95% CI 4.17, 5.01]), total hip (1.34% [95% CI 0.64, 2.04] and 2.16% [95% CI 2.05, 2.27]) and femoral neck (0.12% [95% CI -0.38, 0.62] and 1.55% [95% CI 0.45, 2.65]). Additionally, denosumab resulted in significant increases in BMD in the lumbar spine and femoral neck at 12 months compared with bisphosphonate therapy.

Conclusion: Patients with GIO experienced significant increases in BMD in response to treatment with denosumab that were detected in the lumbar spine, total hip and femoral neck at 12 months.

Keywords: anti-RANKL antibody; bone mineral density; denosumab; glucocorticoid-induced osteoporosis; meta-analysis.

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Figures

Fig. 1
Fig. 1
PRISMA flow diagram
Fig. 2
Fig. 2
Forrest plot: meta-analysis of BMD in the lumbar spine The rate of change of BMD at 6 (A) and 12 months (B) after the start of denosumab treatment was calculated using the random effects model. MRAW: raw (untransformed) means.
Fig. 3
Fig. 3
Forrest plot: meta-analysis of BMD in the total hip The rate of change of BMD at 6 (A) and 12 months (B) after the start of denosumab treatment was calculated using the random effects model. MRAW: raw (untransformed) means.
Fig. 4
Fig. 4
Forrest plot: meta-analysis of BMD in the femoral neck The change rate of BMD at 6 (A) and 12 months (B) after the start of denosumab treatment was calculated using the random effects model. MRAW: raw (untransformed) means.
Fig. 5
Fig. 5
Forrest plot: meta-analysis of BMD between denosumab and bisphosphonates The mean difference in BMD of the lumbar spine (A) and the femoral neck (B) was calculated using the random effects model. MD: mean difference.
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