MONT-SAINT-HILAIRE, QUEBEC -- (MARKET WIRE) -- May 07, 2007 -- Axcan Pharma Inc. (TSX: AXP)(NASDAQ: AXCA) today announced the launch of PYLERA in the United States. PYLERA is a patented 3-in-1 capsule triple therapy for the eradication of Helicobacter pylori, which is a bacterium recognized as being the main cause of gastric and duodenal ulcers.