Effect of tadalafil 5mg daily treatment on the ejaculatory times, lower urinary tract symptoms and erectile function in patients with erectile dysfunction

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Vol. 43 (2): 317-324, March – April, 2017

doi: 10.1590/S1677-5538.IBJU.2016.0376


ORIGINAL ARTICLE

Mehmet Karabakan 1, Ercument keskin 2, Serkan Akdemir 3, Aliseydi Bozkurt 2
1 Department of Urology, Mersin Toros State Hospital, Mersin, Turkey; 2 Department of Urology, Mengucek Gazi Research and Training Hospital, Erzincan University, Erzincan, Turkey; 3 Department of Urology, Faculty of Medicine, Izmir University, Izmir, Turkey
 

ABSTRACT

 

Objective: To investigate the effect of a 5mg daily tadalafil treatment on the ejaculation time, erectile function and lower urinary tract symptoms (LUTS) in patients with erectile dysfunction.

Materials and Methods: A total of 60 patients diagnosed with erectile dysfunction were retrospectively evaluated using the international index of erectile function questionnaire-5 (IIEF-5), intravaginal ejaculatory latency time (IELT) and international prostate symptoms scores (IPSS). After the patients were treated with 5mg tadalafil once a day for three months, their erection, ejaculation and LUTS were assessed again. The fasting levels of blood glucose, total testosterone, low-density lipoprotein cholesterol, highdensity lipoprotein cholesterol and total cholesterol were measured. The independentsamples t-test was used to compare the pre- and post-treatment scores of the patients.

Results: The mean age of the 60 participants was 50.4±7.9 and the mean baseline serum total testosterone, total cholesterol, and fasting blood sugar were 444.6±178.6ng dL-1, 188.7±29.6mg/dL-1,104 (80-360) mg dL-1, respectively. The mean baseline scores were 2.2±1.4 min for IELT, 9.5±3.7 for IIEF-5 and 14.1±4.5 for IPSS. Following the three-month daily 5mg tadalafil treatment, the scores were found to be 3.4±1.9 min, 16.1±4.7, and 10.4±3.8 for IELT, IIEF and IPSS, respectively. When the baseline and post-treatment scores were compared, a statistically significant increase was observed in the IELTs and IIEF-5 values whereas there was a significant decrease in IPSS (p<0.01).

Conclusion: A daily dose of 5mg tadalafil can be safely used in the treatment of erectile dysfunction and LUTS, that prolongs the ejaculatory latency time.

Keywords: Tadalafil; Ejaculation; Erectile Dysfunction; Therapeutics

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