Status of improved new drugs and generics in a year of Nexium patent expiration

It has been over a year since the patent of Nexium(esomeprazole), a leading antiulcer drug, was expired. The Nexium market has met a large change after the entry of generics.

Before the patent expiration, in fact, Nexium recorded KRW 35 billion by the 3^rd quarter and made a rapid growth with a 20% increase compared with the year of 2013.

However, since the first entry of the Daewon Pharm’s ge...