Allopurinol for chronic prostatitis
The level of evidence is downgraded because of study limitations (several issues) and imprecise results (very few patients).
A Cochrane review 1 included 1 study with a total of 54 men. Only one trial lasting 240 days (with 330 days of follow up) met study inclusion criteria. There was a statistically significant change favoring allopurinol in patient-reported discomfort between the study and control groups at follow up. Between days 45 to 225, the mean score was -0.95 (SD 0.19) for the allopurinol group (seven men), compared with -0.47 (SD 0.21) for the placebo group (seven men). The weighted mean difference (WMD) was -0.48 (95% CI -0.690 to -0.270). The mean score between days 45-135 was -1.08 (SD 1.29) for the 25 men in the allopurinol group, compared with -0.21 (SD 0.97) for the 14 men in the control group. The WMD was -0.87 (95% CI -1.587 to -0.153). The allopurinol group had significantly less investigator graded prostate pain and had lower levels of serum urate, urine urate, and expressed prostatic secretion urate and xanthine.
Date of latest search: 2002-08-01
1. McNaughton CO, Wilt T. Allopurinol for chronic prostatitis. Cochrane Database Syst Rev 2002;(4):CD001041. [PMID:12519549]
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