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BJU Int. 2011 Nov;108(9):1485-9. doi: 10.1111/j.1464-410X.2010.10029.x. Epub 2011 Jul 6.

Defining predictors of response to intralesional verapamil injection therapy for Peyronie's disease.

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  • 1Sexual and Reproductive Medicine Program, Urology Service, Department of Surgery, Department of Psychiatry and Behavioral Services, Memorial Sloan Kettering Cancer Center, New York, NY, USA. mulhalj1@mskcc.org

Abstract

OBJECTIVE:

• To assess factors that predict penile curvature responses to intralesional verapamil (ILV) injection therapy for men with Peyronie's disease (PD).

PATIENTS AND METHODS:

• Men with PD for <1 year were assessed at baseline and after 3 months of bi-monthly ILV-injection therapy. Curvature was assessed at the time of maximum penile rigidity. • Univariate relationships were tested with correlation or chi-square analyses. • Multivariate analyses included logistic and linear regression. • We analysed curvature improvement, defined as a decrease of ≥10 ° from baseline. Additionally, the relationship between curvature outcomes and patient age and degree of baseline penile curvature were assessed.

RESULTS:

• Data from 131 men were included and the rates of penile curvature change were:26% improved, 12% worsened, and 62% stable. • Age (r=-0.24, P < 0.01) and larger baseline penile curvature (r= 0.33, P < 0.01) were associated with improved curvature on univariate analysis. • On multivariate analysis (logistic regression), both age [odds ratio (OR) 0.93, P < 0.01, 95%CI 0.89-0.97] and larger baseline penile curvature (OR 1.07, P < 0.01, 95%CI 1.04-1.11) were associated with improvements in curvature after ILV-injection therapy. • Improvements in curvature were associated with age (≤40 years vs >40 years; OR 0.27, P < 0.05, 95%CI 0.10-0.75) and degree of penile curvature at baseline (≤30 ° vs >30 °; OR 9.12, P < 0.01, 95%CI 1.94-42.84) when dichotomized as indicated.

CONCLUSION:

• Younger age and larger baseline penile curvature were predictive of favourable curvature outcomes. • Analysis of dichotomized variables suggests that age and baseline curvature thresholds may be important to consider when deciding on ILV as a therapeutic strategy for PD.

© 2011 THE AUTHORS. BJU INTERNATIONAL © 2011 BJU INTERNATIONAL.

PMID:
21733073
[PubMed - indexed for MEDLINE]
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