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Six Weeks of Fluoroquinolone Antibiotic Therapy for Patients With Elevated Serum Prostate-specific Antigen Is Not Clinically Beneficial: A Randomized Controlled Clinical Trial.

Abstract：

OBJECTIVE:To evaluate asymptomatic men with elevated serum prostate-specific antigen (PSA) to determine whether a 6-week course of fluoroquinolone antibiotics lowers serum PSA and affects recommendations for prostate biopsy. MATERIALS AND METHODS:A randomized, single-center prospective trial of 150 men with an initial elevated PSA was conducted. Patients were randomized to 6 weeks of ciprofloxacin or observation. Those patients with persistently elevated PSA were recommended to proceed with transrectal ultrasound-guided 12-core biopsy. Those with reduced PSA were offered transrectal ultrasound-guided biopsy but could opt to continue serial digital rectal examination/PSA. Patients were followed an average of 4.6 years to assess trends in PSA and biopsy results. RESULTS:Of 136 men who completed the trial, 63 were in the treatment and 73 were in the observation group. The average PSA change from baseline was borderline statistically significant with a change of -0.68 ng/mL in the treatment arm and 0.01 ng/mL in the observation arm (P = .052). Of those who underwent biopsy, prostate cancer was diagnosed in the first biopsy in 24 (63%) of the treatment vs 27 (52%) of the observation group (P = .60) over follow-up. CONCLUSION:In a cohort of asymptomatic men with elevated PSA, there was only a borderline statistically significant change in serum PSA between patients randomized to a 6-week course of fluoroquinolones vs observation, and there was no difference in positive prostate biopsy results. Our clinical recommendation is one should not treat patients with elevated serum PSA with antibiotics in the absence of clinical symptoms of prostatitis.

journal_name

Urology

journal_title

Urology

authors

Greiman A,Shah J,Bhavsar R,Armeson K,Caulder S,Jones R,Keane TE,Clarke HS,Savage SJ

doi

10.1016/j.urology.2015.11.046

subject

Has Abstract

pub_date

2016-04-01 00:00:00

pages

32-7

eissn

0090-4295

issn

1527-9995

pii

S0090-4295(16)00063-7

journal_volume

pub_type

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Six Weeks of Fluoroquinolone Antibiotic Therapy for Patients With Elevated Serum Prostate-specific Antigen Is Not Clinically Beneficial: A Randomized Controlled Clinical Trial.