Under the terms of the agreement, Warner Chilcott has exclusive US rights to develop and market the product for the treatment of erectile dysfunction (ED). Dong-A will receive an initial, up-front payment and may also be eligible to receive additional payments upon achievement of certain milestones.
The product was approved by the Korean Food and Drug Administration in December of 2005 for the treatment of ED in Korea under the brand name Zydena. The product was also approved in Russia in July of 2008.