Effect of bisphosphonates on local recurrence of giant cell tumor of bone: a meta-analysis
Authors Shi M, Chen L, Wang Y, Wang W, Zhang Y, Yan S
Received 12 September 2018
Accepted for publication 14 December 2018
Published 11 January 2019 Volume 2019:11 Pages 669—680
Checked for plagiarism Yes
Review by Single-blind
Peer reviewers approved by Dr Amy Norman
Peer reviewer comments 1
Editor who approved publication: Dr Beicheng Sun
Mingmin Shi,1 Lei Chen,2 Yangxin Wang,1 Wei Wang,1 Yujie Zhang,1 Shigui Yan1
1Department of Orthopaedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, People’s Republic of China; 2Department of Endocrinology and Metabolism, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, People’s Republic of China
Background: Giant cell tumor of bone (GCTB) is a locally aggressive tumor, and its postoperative recurrence remains a problem. The present meta-analysis aimed to analyze the effect of bisphosphonates (BPs) on local recurrence of GCTB.
Methods: Seven case–control studies were included by computerized searches of bibliographic databases (PubMed, AMED, EMBASE, the Cochrane library, ISI Web of Science, and China National Knowledge Infrastructure). The pooled adjusted ORs were calculated to evaluate the local recurrence of GCTB.
Results: The BP group presented significantly lower total local recurrence rate than the control group in GCTB (P<0.01). Subgroup analysis shows BP group presented significantly lower local recurrence than the control group in GCTB with different tumor grades (P<0.05). In patients who underwent intralesional curettage, a significantly lower local recurrence rate was found in the BP group compared with the control group (P<0.01), but no significance was found for patients who underwent wide resection (P=0.16). None of the included studies described severe adverse effects related to BPs.
Conclusion: The results confirmed the effect of BPs on reducing the local recurrence of GCTB, and the effect is not influenced by the tumor grades. BPs are benefit for the patients who underwent intralesional curettage but not recommended for those who underwent wide resection.
Keywords: bisphosphonates, giant cell tumor of bone, local recurrence, meta-analysis
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