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Oct 3, 2008

Gilead Complete Response Letter from U.S. Food and Drug Administration for Aztreonam Lysine for Inhalation, an Investigational Treatment for CF

Sept. 16, 2008 - Gilead Sciences, Inc. (Nasdaq:GILD) announced that the company has received a complete response letter from the U.S. Food and Drug Administration (FDA) for its New Drug Application (NDA) for aztreonam lysine for inhalation, an investigational therapy in development for people with cystic fibrosis who have Pseudomonas aeruginosa (P. aeruginosa).

In this letter, the FDA informed Gilead that the review of the company's NDA has been completed. The agency stated that they cannot approve the application in its current form and an additional clinical study will be required. Gilead will continue its dialogue with the FDA to determine whether further analyses of existing data could lead to approval, or whether the company will need to conduct the additional study as stated in the letter... Gilead Sciences' Press Release -