Cypress Pharmaceutical, Inc. announced that it has commercially launched Epinastine HCl Ophthalmic Solution, 0.05%, which is AT-rated to Allergan's Elestat (epinastine HCl ophthalmic solution) 0.05%.

As the first company to file an Abbreviated New Drug Application (ANDA) containing a paragraph IV certification for this product, Cypress has been awarded a 180-day period of marketing exclusivity.

Elestat is a registered trademark of Boehringer Ingelheim International GmbH and is licensed to Allergan, Inc.

Cypress Pharmaceutical, Inc., is a specialty pharmaceutical company that develops, markets and distributes generic prescription pharmaceutical products to leading national pharmaceutical wholesalers, chain drug stores, distributors, and other retail merchandisers.