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Cochrane Database of Systematic Reviews: Plain Language Summaries [Internet]. Chichester, UK: John Wiley & Sons, Ltd; 2003-. doi: 10.1002/14651858.CD009063.pub2

Cochrane Database of Systematic Reviews: Plain Language Summaries [Internet].

The use of pregabalin analgesia for patients with chronic prostatitis/chronic pelvic pain syndrome

First published: August 15, 2012.

Link to full article: [Cochrane Library]

Plain language summary

It has been suggested that chronic prostatitis/chronic pelvic pain syndrome is due to pain caused by the nerves in or around the prostate. Pregabalin is a pain killer that is specific for nerve pain. Therefore we conducted a search of the literature to evaluate the use of pregabalin for this ailment and whether or not it was better than placebo.

We concluded that pregabalin was no more effective than placebo and is associated with adverse effects.

Though there was no conclusive evidence for the use of pregabalin, further research is recommended.

Abstract

Background: Chronic prostatitis/chronic pelvic pain syndrome (CP/CPPS) is a condition that is detrimental to the quality of life of men. Evidence suggests that it may have a neuropathic origin and therefore medications such as pregabalin might have a role in the controlling of symptoms.

Objectives: The primary objective was to compare pregabalin to other modalities of pain relief to alleviate men's symptoms of CP/CPPS.

The secondary objective was to assess the safety and effectiveness of pregabalin to improve various individual symptoms consistent with CP/CPPS.

Search methods: We searched the Cochrane Central Register of Controlled Trials (CENTRAL), MEDLINE (1966 to May 2012), EMBASE (1980 to May 2012), CINAHL, clinicaltrials.gov, Google Scholar, and reference lists of articles and abstracts from conference proceedings, without language restriction for pregabalin treatment of Class III prostatitis and CP/CPPS.

Selection criteria: Randomized controlled trials (RCTs) comparing pregabalin to placebo or other types of analgesics for the management of patients with CP/CPPS were included. Patients with known causes of pain/discomfort were excluded.

Data collection and analysis: Only one RCT was included. The trial compared pregabalin to placebo for patients who had CP/CPPS.

Main results: For men who responded clinically (≥ 6‐point improvement), there was no difference between the pregabalin (103/218; 47.2%) and placebo (38/106; 35.8%) arms (risk ratio (RR) 1.32; 95% CI 0.99 to 1.76). There was less pain with a higher point improvement in the pregabalin group compared to the placebo group (4.2 points versus 1.7 points, respectively; mean difference (MD) ‐2.3 points; 95% CI ‐4.0 to ‐0.7 points).

Though 59% (191/324) of the patients developed side effects, no serious effects were experienced. There were significantly more neurologic side effects in the pregabalin group compared to the placebo group (38.5% (84/218) versus 22.6% (24/106), respectively; RR 1.7; 95% CI 1.15 to 2.51), and less pain in the pregabalin group than in the placebo group (17.4% (38/218) versus 33.3% (35/106), respectively; RR 0.53; 95% CI 0.36 to 0.78). However, no significant differences were seen between the pregabalin and placebo groups with regards to gastrointestinal disturbances (18.3% (40/218) versus 18.9% (20/106), respectively; RR 0.97; 95% CI 0.60 to 1.58), ocular/visual symptoms (6.9% (15/218) versus 2.8% (3/106), respectively; RR 2.43; 95% CI 0.72 to 8.22), and renal/genitourinary symptoms (5.5% (12/218) versus 1.9% (2/106), respectively; RR 3.03; 95% CI 0.67 to 13.79).

Authors' conclusions: There is evidence from one RCT that pregabalin does not improve CP/CPPS symptoms and causes adverse effects in a large percentage of men. However, research is required to assess further whether pregabalin has a role in patients with CP/CPPS for symptom control.

Editorial Group: Cochrane Urology Group.

Publication status: New.

Citation: Aboumarzouk OM, Nelson RL. Pregabalin for chronic prostatitis. Cochrane Database of Systematic Reviews 2012, Issue 8. Art. No.: CD009063. DOI: 10.1002/14651858.CD009063.pub2. Link to Cochrane Library. [PubMed: 22895982]

Copyright © 2012 The Cochrane Collaboration. Published by John Wiley & Sons, Ltd.

PMID: 22895982

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