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KMID : 0438420110180010049
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Korean Journal of Bone Metabolism
2011 Volume.18 No. 1 p.49 ~ p.54
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Could Prior Oral-bisphosphonate Administration Reduce the Acute Phase Reaction of Zoledronate?
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Cho Hwan-Seong
Cheon Sang-Ho
Jeong Hye-mi
Park Il-Hyung
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Abstract
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Objective: Bisphosphonates are the most commonly prescribed medications for the treatment of osteoporosis. This study was designed to analyze the rate of acute phase reaction (APR) following Zoledronate 5 mg administration in patients with osteoporosis who were treated with prior oral bisphosphonate for at least 2 weeks and to compare naive IV 5 mg Zoledronate.
Methods: Between July 2009 and October 2010, 27 patients with osteoporosis who were treated with prior oral bisphosphonate for at least 2 weeks, and maximum 52 weeks (average 18.5 weeks) and were between 42-and 85-year-old at the time of study participation. We prospectively evaluated APR, including fever, flu-like symptoms, headache, arthralgia, and myalgia, after 5 mg zoledronate by questionnaire. Additionally we assessed a visual analogue scale (VAS) by 4-point categorical scale.
Results: In this study of 27 patients with osteoporosis, the frequency of APR, flu-like symptom and myalgia were 14.8% and 7.4% and fever, arthralgia, and headache were 3.7% respectively. In VAS, all reactions were mild. The rate of APR rate in this study was statistically decreased compared to previous reports with zoledronate 5 mg IV in bisphosphonate-naive patients.
Conslusion: Prior oral bisphosphonate administration for at least 2 weeks could significantly reduce the APR of IV zoledronate 5 mg.
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KEYWORD
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Acute phase reaction, Oral bisphosphonate, Zoledronic acid
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