Dong-A's DA-8159 wins KIPO's patent award

Dong-A Pharm said its novel pyrazolopyrimidine derivative (DA-8159), an impotence medication, recently won Chi Seok-yong Award in the third quarter of this year from the Korean Intellectual Property Office.

DA-8159 has less side effects than other conventional compounds in terms of headache and facial flushing with a convenient regimen (once a day). In particular, the compound is poorly meta...