... Washington, DC area ), code 3014512533. Please call the Information Line for up-to-date information on this meeting. A notice in the Federal Register about last minute modifications that impact a previously announced advisory committee meeting cannot always be published quickly enough to provide timely notice. Therefore, you should always check the agency's Web site and call the appropriate advisory committee hot line / phone line to learn about possible modifications before coming to the meeting. Agenda: On July 29, 2010, the committee will discuss Revatio (sildenafil) for the treatment of pediatric pulmonary arterial hypertension (PAH) and whether to amend the clinical trials section of the written request, issued by FDA to Pfizer, to include assessment of a hemodynamic endpoint. An area of particular interest will be what the appropriate study endpoint should be in patients with PAH unable to perform exercise testing. The discussion will help the agency determine what studies to request for products intended to treat pediatric PAH. FDA intends to make background material available to the public no later than 2 business days before the meeting. If FDA ...