Credit: Reuters/Christian Hartmann
A general view shows the headquarter of Swiss drugmaker Roche in Basel July 21, 2008.
Avastin, which is already approved in Europe to treat advanced stages of breast cancer, colorectal cancer, non-small cell lung cancer, kidney cancer and ovarian cancer, was Roche's biggest seller last year with sales of 6.25 billion Swiss francs (6.53 billion US dollar).
(Reporting By Katharina Bart; Editing by Himani Sarkar)
