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Character: White to Off-White Cyrstalline Solid.
Usage: Used for the treatment of erectile dysfunction. A phosphodiesterase 5 inhibitor.
Categories: Active Pharmaceutical Ingredients; Cnbio; Erectile Dysfunction; Inhibitors; Intermediates & Fine Chemicals; Pharmaceuticals; API's.
Use: it is a development of the phosphodiesterase type 5 inhibitors, for the treatment of male sexual dysfunction, at present in the America, EU and Japan have completed phase II clinical trials, phase III clinical trials will start. The product is composed of Japanese Tanabe Pharma Company and VIVUS company development. In addition to oral dosage forms, VIVUS company is also developing Avanafil urethral administration, for not responding to oral dosage forms of patients. Avanafil is a potent, highly selective phosphodiesterase 5 inhibitor, in vitro experiments showed that the selectivity of phosphodiesterase 5 stronger than sildenafil. The compound dear compliance weak against other phosphodiesterase, and effect of adenosine receptor decreased, suggesting that the cardiovascular effects of avanafil should be weaker than sildenafil. Pre clinical study showed that avanafil and organic nitrate drugs taken in combination to reduce its on blood pressure was significantly weaker than sildenafil and nitrate drugs with clothes. Moreover, avanafil inhibition of phosphodiesterase 6 is very weak, the relevant visual disturbance suppression may the enzyme phosphodiesterase 5 inhibitor induced and other.
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