Senior Executive Vice President of Sanofi Aventis, Gerard Le Fur, holds a February 2007 press conference in Paris, to present the 2006 results of the French pharmaceutical group.Sanofi-Aventis said Friday it had withdrawn an application for regulatory approval for its anti-obesity drug Acomplia in the United States.(AFP/File/Martin Bureau)AFP - French pharmaceutical group Sanofi-Aventis said Friday it had withdrawn an application for regulatory approval for its anti-obesity drug Acomplia in the United States.