Oral bisphosphonates improve the bone mineral density in men with diabetes with or without thiazolidinediones

Subhashini Yaturu, Jared Davis

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DOI: 10.4236/jdm.2011.14018                

Abstract

Objective: Osteoporosis and type 2 diabetes mellitus (DM) two of the most common chronic conditions and represent major public health burdens. Epidemiological and observational studies indicate that thiazolidinedione (TZD) therapy with rosiglitazone and pioglitazone is associated with an increased risk of fractures and decreased bone mineral density (BMD). To our knowledge, no data are available to evaluate bisphosphonate therapy in thiazolidinedione-treated patients. The aim of this study was to investigate the benefit of bisphosphonates to improve changes in BMD in subjects with DM associated with TZDs. Methods: In a cross-sectional observational study using a retrospective review of electronic medical records, the changes in BMD in subjects with type 2 DM. The study subjects were divided into four groups. First group with DM receiving both TZDs and BPs; second group neither; third group receiving only TZDs and the fourth only BPs. The comparison of annual percent changes in BMD between the groups were carried out. Results: Decreased BMD noted in subjects with DM on TZDs. Bisphosphonates improved BMD in subjects with DM on TZDs. BMD improved in subjects with DM in those not receiving TZDs also. Conclusion: We conclude that concomitant treatment with bisphosphonates improves BMD in subjects with diabetes and on TZDs.

Keywords

Diabetes; Thiazolidinediones; Bone Mineral Density; Bisphosphonates; Pioglitazone; Rosiglitazone; Osteoporosis

Conflicts of Interest

The authors declare no conflicts of interest.

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