Introduction. The erectile dysfunction is defined as an inability to achieve or maintain an erection sufficient for sexual intercourse lasting more than 3 months. According to literature, about 90 million men worldwide suffer from erectile dysfunction of different severity.
Aim. To evaluate the efficacy and safety of the dispersed form of sildenafil ("Ridzhamp" 50 mg), compared with the standard tablets of sildenafil (50 mg).
Materials and methods. The study included 60 men aged 27 to 67 years (average age 40.2 years) with moderate erectile dysfunction (11-15 points according to IIEF-5). In group I (n=30), patients took a dispersible form of the drug sildenafil, 50 mg ("Ridzhamp") 60 minutes before sexual intercourse; in group II (n=30), a standard form of the drug sildenafil was prescribed at a dosage of 50 mg, 60 minutes before sexual
intercourse.
Results. Positive dynamics according to IIEF-5 score was found in all the study groups. In group I, IIEF-5 score increase by 53.85%, while in group II by 50% (p<0.05). The average onset of erection in group I was 45±2.2 min, while in group II it was 51±1.9 min. In the main group (group I) one patient (3.33%) complained of persistent headache after taking the drug, and therefore refused the therapy. In the comparison group (group II) one patient (3.33%) reported dyspeptic disorders while taking the drug, 1 patient (3.33%) reported dizziness. All patients in the main group noted the convenience of taking the
«Ridzhamp».
Conclusions. Our results indicate the comparable efficiency of the dispersed form of sildenafil (group I) and the standard tablet form of the drug (group II). All patients in the main group (group I) noted a faster onset of erections, as well as the convenience of «Ridzhamp» and the ability to take the drug without water intake.

Keywords: dispersible form of the drug, physiology of the reproductive system, sexual dysfunction, diagnostics, erectile dysfunction, sildenafil, treatment