期刊
JOURNAL OF UROLOGY
卷 191, 期 1, 页码 253-260出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1016/j.juro.2013.08.082
关键词
urinary bladder; overactive; receptors; prostaglandin E; EP1 subtype; urination; urinary incontinence; urge; treatment outcome
资金
- ONO Pharmaceutical Co., Osaka, Japan
- ONO Pharma United Kingdom Ltd
Purpose: We evaluated the efficacy, safety and tolerability of the EP1 receptor antagonist ONO-8539 in patients with overactive bladder syndrome. Materials and Methods: This was a 12-week, randomized, double-blind, placebo controlled, parallel group, multicenter study with a 2-week single blind placebo run-in phase. The 435 patients were randomized to receive twice daily ONO-8539 (30, 100 or 300 mg), placebo or once daily tolterodine (4 mg). Results: At the end of the 12-week treatment no statistically significant difference was found between ONO-8539 and placebo in the change from baseline in the number of micturitions per 24 hours. The primary end points for 30, 100 and 300 mg ONO-8539, and placebo were -1.02, -1.53, -1.31 and -1.40, respectively. There was no statistically significant difference between any ONO-8539 group and placebo in the change from baseline in the number of urgency or urinary urgency incontinence episodes per 24 hours, or the mean volume voided per micturition, which were secondary end points. Statistically significant differences for tolterodine vs placebo were observed in the change from baseline in the number of micturitions (p = 0.045), urgency episodes (p = 0.04) and mean volume voided per micturition (p < 0.001). The incidence of adverse events was 54.1% in the placebo group, 43.0% to 54.0% in the ONO-8539 groups and 46.6% in the tolterodine group. The intensity of adverse events was similar among the treatment groups. Similar to other treatments, the most frequently reported adverse events after ONO-8539 were nasopharyngitis and diarrhea. Conclusions: The results of this study, which to our knowledge represents the first evaluation of ONO-8539 in patients with overactive bladder, suggest a minimal role for EP1 receptor antagonism in the management of overactive bladder syndrome.
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