What is the action of the substance in Viagra (Sildenafil Citrate)?

Effectiveness Results

In clinical studies, 비아그라 구매 sildenafil citrate has been evaluated for its effect, in men with erectile dysfunction (ED), on the ability to engage in sexual activity, and in many cases, specifically, for its effect on the ability to obtain and maintain an erection sufficient for an erection. satisfying sexual activity. Sildenafil citrate has been evaluated primarily at doses of 25 mg, 50 mg, and 100 mg in randomized, double-blind, placebo-controlled clinical trials for up to 6 months in duration, using various study designs (fixed dose, titration, parallel, crossed). Sildenafil citrate has been administered to over 3000 patients aged 19 to 87 years with ED of various etiologies (organic, psychogenic, mixed) with a median duration of 5 years. Sildenafil citrate demonstrated statistically significant improvement compared to placebo in all studies. Studies that have established benefits have demonstrated improvements in the success rate for intercourse compared with placebo.

The efficacy of 비아그라 sildenafil citrate, determined as the ability to achieve and maintain an erection sufficient for intercourse, was demonstrated in the studies and was maintained in the study extensions (one year). In the fixed-dose studies, the proportion of patients reporting that the treatment improved their erection was 62% (25 mg), 74% (50 mg), and 82% (100 mg), compared to 25% for placebo. In addition to improving ED (erectile dysfunction), IIFE analysis showed that sildenafil citrate treatment also improved orgasm-related aspects, sexual satisfaction and overall satisfaction.

Across the studies, the proportion of patients who reported improvement with the use of 비아그라 구입 sildenafil citrate was 59% of diabetic patients, 43% of patients who underwent total prostatectomy, and 83% of patients with spinal cord injuries (versus 16%, 15% and 12% with placebo, respectively).