Effect of bisphosphonate treatment on bone mineral density in patients with thalassaemia major
Abstract
BACKGROUND: Bisphosphonates are potent inhibitors of osteoclastic bone resorption and have been recently used in thalassaemia major (TM) osteoporosis with encouraging results.
OBJECTIVE: The aim of the study is to investigate the effect of two Bisphosphonate drugs, Alendronate and Pamidronate on bone mass in patients of both genders with TM, treated in our Center.
SUBJECTS AND METHODS: 53 (22 males, 31 females) Thalassaemic patients of Greek Cypriot origin were randomly divided into two groups. 29 patients in group A with a mean age of 33, 32 years were treated with alendronate and 24 patients in group B with a mean age of 34, 36 years received pamidronate for a period of 2 years. The effectiveness of both drugs was estimated based on the change of Bone mineral density (BMD) values of lumbar spine and femoral neck. Bone mineral density (BMD) of lumbar spine and femoral neck was measured by dual-energy X-ray absiorptiometry. All patients were on the standard treatment protocol of Thalassaemia. Statistical analysis was performed with the SPSS program.
RESULTS: After completion of treatment with pamidronate the mean lumbar spine BMD has improved from -2.813 to -2.174 (p<0.001) and the mean hip BMD from -2.138 to -2.078 (p=0.018). The change of spine BMD in patients who received alendronate was from -2.720 to -2.602 (p=0.059) and the changes in BMD at the femoral neck from -2.035 to -2.007 (p=0.829).
CONCLUSIONS: This study demonstrates the efficacy of two bisphosphonate drugs…
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 3 of 5 (Moderate · trial / cohort / secondary analysis). Trials without a large randomized design, cohorts and secondary analyses give moderate evidence. Reported size: 29 participants or records.
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