Efficacy of tadalafil on symptom-specific bother in men with lower urinary tract symptoms
Abstract
INTRODUCTION: This multicenter and prospective study was performed to evaluate the efficacy of tadalafil on patient-reported bother for each symptom in men with lower urinary tract symptoms (LUTS).
METHODS: Men with LUTS received 5 mg of tadalafil daily for 4 weeks. We assessed change in symptom severity using both international prostate symptom score (IPSS), and overactive bladder symptom score (OABSS), as well as patient-reported quality of life (QOL: bother or satisfaction) for each symptoms using IPSS-visual analog scale (IPSS-VAS) and OABSS-VAS.
RESULTS: We found significant improvements in total IPSS (P < 0.001), including voiding symptoms (P < 0.001), storage symptoms (P < 0.001), and QOL (P < 0.001). All VAS measures corresponding to symptoms in IPSS and OABSS also significantly improved (P < 0.001). The most bothersome symptoms for each patient at baseline evaluated by VAS measures significantly improved (P < 0.001). Patients whose most bothersome symptoms at baseline included IPSS-Q7 (nocturia) showed significantly smaller improvement of VAS measure after treatment than those without it (P = 0.024).
CONCLUSIONS: Daily tadalafil significantly improved not only symptom severity of LUTS but also patient-reported QOL on each symptom.
How strong is the evidence?
Evidence Hub reads this as a cohort study, done in people. Its evidence level is 3 of 5 (Moderate · trial / cohort / secondary analysis). Trials without a large randomized design, cohorts and secondary analyses give moderate evidence.
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