A single infusion of zoledronic acid produces more rapid, more complete, and more sustained responses in Paget's disease than does daily treatment with risedronate.
A single 5-mg infusion of zoledronic acid restores biochemical markers of bone turnover into the reference range in the majority of patients with Paget's disease and maintains biochemical remission for at least 2 years. This effect is largely independent of pretreatment disease activity and prior bisphosphonate therapy.Introduction: Zoledronic acid (ZOL) is a potent bisphosphonate that produces a rapid and complete control of the increased bone turnover of Paget's disease. Long-term control of disease activity is an important aim of treatment in the hope that this will reduce the risk of complications such as deformity, fracture, and degenerative joint disease. Materials and Methods:This study compares the ability of ZOL 5 mg given as a 15-minute intravenous infusion with risedronate (RIS) 30 mg daily by mouth for 60 days to maintain long-term control of bone turnover. No bisphosphonate was given during the extension study. All patients (n ס 296) who achieved a therapeutic response, defined as normalization or a >75% reduction in the total alkaline phosphatase (total ALP) excess above the midpoint of the reference range, were eligible for inclusion. Results: ZOL maintained the mean level of total ALP at the middle of the reference range, whereas those treated with risedronate showed a linear increase in total ALP from the 6-month post-treatment time-point. Both treatments resulted in a linear relationship between the 6-month nadir and 24-month total ALP. The relationship for RIS was shifted upward, showing that for a given level of post-treatment biochemical activity, bone turnover increased with time. This was in contrast to the ZOL-treated patients where total ALP generally remained unchanged over this 18-month extension period. A similar pattern of response was seen with the other bone turnover markers. Conclusions: ZOL maintains bone turnover within the reference range over 24 months from the initiation of treatment. A reduction in the incidence and severity of long-term complications may require persistent normalization of bone turnover over many years, and this now seems a realistic possibility with ZOL.
This randomised, double-blind study compared single dose lumiracoxib (a cyclooxygenase-2 selective inhibitor) 100 and 400 mg, ibuprofen 400 mg and placebo in patients with postoperative dental pain over 12 h. The primary efficacy variable was pain intensity difference. Lumiracoxib 400 mg and ibuprofen were superior to placebo from 1 to 12 h post dose while lumiracoxib 100 mg was superior from 1.5 to 9 h. Lumiracoxib 400 mg demonstrated the fastest median time to onset of analgesia (37.4 min) followed by ibuprofen (41.5), and lumiracoxib 100 mg (52.4; all p < or = 0.001 vs. placebo). Median time to rescue medication (h) was longer for lumiracoxib 400 mg (> or = 12), lumiracoxib 100 mg (approximately 7) and ibuprofen (approximately 8) than placebo (approximately 2; all p < or = 0.001 vs. placebo). Patients rated lumiracoxib 400 mg superior to the other active treatments (p < 0.05); lumiracoxib 100 mg was comparable with ibuprofen and superior to placebo (p < 0.001). Lumiracoxib provided rapid, effective and well-tolerated analgesia.
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