In July, the F.D.A. decided to revoke approval of Avastin, also called bevacizumab, because the F.D.A. said follow up studies had found the drug was not effective and had dangerous side effects.

Avastin still covered regionally on Medicare during appeal

In July, the F.D.A. decided to revoke approval of Avastin, also called bevacizumab, because the F.D.A. said follow up studies had found the drug was not effective and had dangerous side effects.