NDA 21-649 
Ms. Nancy L. Buc 
Ms. Deborah Livornese 
Buc & Beardsley 
919 Eighteenth Street, N.W. Washington, D.C. 20006-5503
Dear Ms. Buc and Ms. Livornese:
We wrote to you on October 22, 2007, indicating that we would need additional time to complete our response to your complaint and request for correction (received on May 15, 2007) and complaint amendment (received on June 26, 2007) pursuant to the Information Quality Act.
While our goal is to respond within 60 days to such Information Quality Act requests, we are unable to do so in this case. We anticipate that a response will be forwarded to you within 60 days from the date of this letter.
Sincerely,
John K. Jenkins, M.D., F.C.C.P. 
Director 
Office of New Drugs 
Center for Drug Evaluation and Research
Food and Drug Administration 
cc: Jane Axelrad 
Laurie Lenkel
Gerald Masoudi 
This is a representation of an electronic record that was signed electronically and this page is the manifestation of the electronic signature. 
/s/
John Jenkins
12/19/2007 04:42:58 PM
 
        