Roche Holding AG (ROG.VX) is confident that Herceptin still has still potential to expand sales more, Peter Brown, life cycle leader for the breast cancer drug said Wednesday.

Herceptin had sales of CHF5.1 billion in 2008.

Company Web site: www.roche.com

-By Anita Greil, Dow Jones Newswires; +41 43 443 8044 ; anita.greil@dowjones.com