The impact of depression and somatic symptoms on treatment outcomes in patients with chronic prostatitis/chronic pelvic pain syndrome: A preliminary study in a naturalistic treatment setting - Abstract

AIM: The aim of this study was to evaluate the impact of depression and somatic symptoms on treatment outcomes in Korean male patients with chronic prostatitis/chronic pelvic pain syndrome (CP/CPPS) attending a routine clinical practice.

METHODS: This was a 12-week prospective observational study (n = 80). The Korean version of the National Institutes of Health Chronic Prostatitis Symptom Index (NIH-CPSI) to measure the severity of CP/CPPS, the Korean version of the Patient Health Questionnaire-9 (PHQ-9) to assess depression, the Korean version of the Patient Health Questionnaire-15 (PHQ-15) to evaluate somatisation and the Korean version of the EuroQol Questionnaire-5 Dimensions (EQ-5D), specifically the EQ-5D utility index and the EQ-5D visual analogue scale (EQ-5D VAS), to assess quality of life, were utilised and given at baseline and week 12. The primary and secondary end-points in this study were changes in the NIH-CPSI total score from baseline to week 12 according to depression and somatisation.

RESULTS: The change in NIH-CPSI total score was significantly higher in those without depression than in those with depression (p = 0.003), with a magnitude of difference of 2.8. The responder rate (a ≥ 4 point decrease in NIH-CPSI total score from baseline) was significantly higher in those without depression (42.9%) than in those with depression (17.2%, p = 0.023). However, significant differences were not observed between the two groups in the other outcome measures or in all study outcomes between subjects with or without somatisation. A logistic regression analysis revealed that the presence or absence of depression may be a principal predictor of response to treatment.

CONCLUSION: These preliminary results indicate that depression may have a negative impact on treatment outcome and is a likely predictor of response to treatment in patients with CP/CPPS. However, additional studies with adequate power and improved design are necessary to further support the present findings.

Written by:
Koh JS, Ko HJ, Wang SM, Cho KJ, Kim JC, Lee SJ, Pae CU.   Are you the author?
Department of Urology, The Catholic University of Korea College of Medicine, Seoul, Korea.

Reference: Int J Clin Pract. 2014 Jan 29. Epub ahead of print.
doi: 10.1111/ijcp.12340


PubMed Abstract
PMID: 24471930

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