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Tailoring Medication for Lower Urinary Tract Symptoms in Men Based on International Prostate Symptom Score Voiding to

Cheng-Ling Lee¹, Hann-Chorng Kuo¹

¹Department of Urology, Buddhist Tzu Chi General Hospital and Tzu Chi University, Hualien, Taiwan.

|July 11, 2018

Abstract

Objective:

To investigate therapeutic results of tailoring medication for lower urinary tract symptoms (LUTS) in men according to initial treatment results and International Prostate Symptom Score (IPSS)-voiding to storage subscore (V/S) ratio.

Methods:

Men with mild-to-moderate LUTS were initially treated for 1 month with doxazosin 4 mg daily for IPSS-V/S >1 or tolterodine 4 mg daily for IPSS-V/S ≤1. They then underwent the Global Response Assessment (GRA) to tailor their medication by changes in IPSS-V/S, uroflow, and GRA, which were compared at baseline, 1, and 3 months post-treatment.

Results:

Upon baseline, 162/374 men had IPSS-V/S ≤1, and 212/374 had an IPSS-V/S >1. Both groups had significant improvement in IPSS-T, IPSS-S, and IPSS-V/S 1 month post-treatment. Of the 162 men initially receiving tolterodine, 102 (63.0%) continued monotherapy; 20 (12.3%) had IPSS-V/S >1.5 and were shifted to doxazosin monotherapy, and 40 (24.7%) had IPSS-V/S >1 but ≤1.5 and added doxazosin. Among the 212 men initially receiving doxazosin, 171 (80.7%) continued monotherapy; 9 with IPSS-V/S <1.5 were switched to tolterodine, and 32 had IPSS-V/S <2 but >1.5 and added tolterodine. Improvement in GRA was remarkable in all subgroups with tailoring the medication to patient symptomatology.

Conclusion:

This study reveals that treatment customization according to IPSS-V/S after initial medical therapy provided satisfactory outcomes for men with mild-to-moderate LUTS.

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