An analysis of the effect of statin use on the efficacy of bacillus calmette-guerin treatment for transitional cell carcinoma of the bladder
Abstract
Bacillus Calmette-Guerin is an effective immunotherapy for carcinoma in situ of the bladder and it reduces recurrence from resected papillary transitional cell carcinoma of the bladder. Many patients receiving bacillus Calmette-Guerin therapy are concurrently taking statin agents, which have known immunomodulatory properties and may alter the performance of bacillus Calmette-Guerin. Some data have suggested that patients taking a statin while on bacillus Calmette-Guerin therapy experience reduced clinical efficacy. We conducted a retrospective review of 952 consecutive patients from 1978 through 2006. Time to recurrence and progression to surgery were compared between those taking and those not taking a statin by Kaplan-Meier methods and multivariable Cox regression controlling for stage and grade. There were 245 (26%) patients taking a statin before bacillus Calmette-Guerin therapy and 707 not on statin therapy (74%). A total of 796 patients had recurrence overall with 214 in the statin group and 582 in the other group. Median time to recurrence was similar between those who did and those who did not use a statin. On multivariable analysis statin use was not significantly associated with recurrence (hazard ratio 1.04; 95% CI 0...Continue Reading
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