It is also vital that Pegasys be approved in combination with Roche's Copegus, a proprietary ribavirin (or anti-viral) drug.

FORBES: Magazine Article

One of them requires high doses of Copegus and Pegasys for 12 months.

FORBES: Roche: It's All About The Trials

The FDA will probably follow the panel's recommendation--meaning that a combination of Roche's Pegasys and another drug called Copegus could receive final FDA approval by year's end.

FORBES: Magazine Article

Roche, which already sells pegylated interferon (Pegasys) and ribavirin (Copegus), announced in May that in a small early-stage trial its polymerase inhibitor was effective in significantly reducing the viral load.

FORBES: Magazine Article

Georges Gemayel , vice president for specialty-care commercial operations at Roche, says there was a lot of bad buzz surrounding the meeting--investors speculating that the FDA had some concerns about Copegus.

FORBES: Magazine Article

Copegus is basically equivalent to Ribapharm's Ribavirin.

FORBES: Magazine Article

Pegasys is already approved without Copegus.

FORBES: Roche And Schering's Desperate Duel