Postmenopausal women with diabetes taking thiazolidinediones (TZDS), including rosiglitazone and pioglitazone, may be at increased risk for fractures according to a new study accepted for publication in The Endocrine Society's Journal of Clinical Endocrinology & Metabolism (JCEM). Men with diabetes taking both loop diuretics and TZDs may also be at increased risk of fractures.
"Our study shows that increased fracture risk is associated with higher TZD dose, but no difference between rosiglitazone and pioglitazone is apparent suggesting a class effect of TZDs on fracture risk," said William Herman, MD, MPH, of the University of Michigan in Ann Arbor and senior author of the study. "Physicians should be aware of this risk and weigh the benefits and risks of therapy when they initially prescribe or renew prescriptions for TZDs."
Fracture
A fracture is a condition where the continuity of the bone is lost. Majority of bone fractures occur because of high force impact or stress on a bone.
Using data from Translating Research into Action for Diabetes (TRIAD), a multi-center prospective observational study of diabetes care in managed care, researchers conducted a matched case-control study to assess the odds of TZD exposure in patients with type 2 diabetes with and without fractures. From the study, researchers identified 786 cases of fractures and 2,657 matched controls (diabetes patients without fractures).
"Future studies, particularly long-term, prospective randomized clinical trials will be needed to conclusively demonstrate small to moderate harm," said Herman.
Source: Eurekalert
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