PHILADELPHIA, PA -- (MARKET WIRE) -- April 02, 2007 -- GlaxoSmithKline (NYSE: GSK) announced today that the U.S. Food and Drug Administration (FDA) has approved Twinrix® [Hepatitis A Vaccine (Inactivated) and Hepatitis B (Recombinant) Vaccine], for an accelerated dosing schedule that consists of three doses given within three weeks followed by a booster dose at 12 months. The approval means Twinrix, the only hepatitis A and hepatitis B combination vaccine available in the United States, is now available on a dosing schedule at 0, 7, 21-30 days, followed by a booster dose at 12 months. The vaccine was first approved for adults over age 18 years by the FDA in May 2001 on a 0, 1, 6-month dosing schedule.
