
Alcon Laboratories Inc. has received regulatory approval and finalized the acquisition of the rights in the United States for difluprednate ophthalmic emulsion 0.05% emulsion (Durezol) and the global rights, excluding Latin America, for cyclosporine (Zyclorin) from Sirion Therapeutics Inc. Alcon immediately assumed responsibility for all marketing, promotion, and sales of the difluprednate formulation.