[Safety and efficacy of China-made sildenafil citrate in the treatment of erectile dysfunction].

Objective: To evaluate the safety, efficacy and tolerability of China-made sildenafil citrate (Jinge) in the treatment of ED.

Methods: We conducted a multi-center, randomized, double-blind and placebo-controlled clinical trial among 222 ED patients in five urological or andrological clinics of China. The patients were randomly assigned to receive sildenafil citrate (SC, n = 111) or placebo (n = 111) for 8 weeks.

[Clinical analysis of yuziwan in the treatment of 30 sterile men with abnormal protamine].

Objective: To study the clinical application and effects of Yuziwan in the treatment of male sterility patient with abnormal protamine.

Methods: The changes of protamine, semen and sex hormones of 30 male sterility patients treated by Yuziwan were observed before and after the treatment.

Results: After a 3-month course of treatment, 9 cases were cured, 15 obviously improved and 6 failed to respond.

Efficacy and safety of on-demand tadalafil for the treatment of erectile dysfunction in South-East Asian men.

Aim: Tadalafil is an inhibitor of phosphodiesterase type 5 used for the treatment of erectile dysfunction (ED). The efficacy and safety of tadalafil have been evaluated extensively in Western populations. Our aim was to assess the efficacy and safety of on-demand tadalafil for the treatment of ED in South-East Asian men.

[Prevalence of chronic prostatitis and its effects on male infertility].

Objective: To investigate the prevalence of chronic prostatitis (CP) in male infertility patients and its effects on male infertility.

Methods: 534 male patients with complaints of male infertility were interviewed for the history of prostatic disease and underwent digital rectal examination of prostate, analysis of semen and express prostatic secretions (EPS). Bacterial culture of urine was done in 40 randomly selected inflammatory CP patients by pre- and post-message method (pre- and post-massage test, PPMT).