How effective is vardenafil (Levitra)?
Vardenafil was evaluated in four multicenter, randomized, placebo-controlled trials involving more than 2400 men (78% white, 7% black, 2% Asian, 3% Hispanic) with erectile dysfunction. Two of these trials were conducted in special erectile dysfunction populations; one in men with diabetes mellitus, another in men who developed erectile dysfunction after prostate surgery. The doses of vardenafil in the four studies were 5 mg, 10 mg, and 20 mg. In all four studies, vardenafil was significantly better than placebo in improving men’s ability to achieve and maintain erections in all age categories (less than 45, 45-65,and greater than 65 years of age) and in all races. How should vardenafil (Levitra) be administered? The recommended starting dose of vardenafil is 10 mg taken orally approximately 1 hour before sexual activity. The dose may be adjusted higher or lower depending on efficacy and side effects. The maximum recommended dose is 20 mg, and the maximum recommended dosing frequency is
