MORRISVILLE, N.C.--(BUSINESS WIRE)--Trimeris, Inc. (Nasdaq: TRMS) today announced worldwide net sales of FUZEON for the first quarter of 2008 were $42.7 million, down 34 percent from $64.3 million in the first quarter of 2007. Net sales of FUZEON in the U.S. and Canada for the first quarter of 2008 were $17.0 million, down 42 percent from $29.3 million in the first quarter of 2007. Net sales of FUZEON outside the U.S. and Canada for the first quarter of 2008 were $25.7 million, down 26 percent from $35.0 million in the first quarter of 2007. All sales of FUZEON are recorded by F. Hoffmann-La Roche Ltd, (“Roche”), Trimeris’ collaborative partner.