Is cellcept (mycophenolate mofetil) a drug prescribed to treat dermatomyositis?

Yes. Cellcept (mycophenolate mofetil) is an immunosuppressant drug used to treat a variety if conditions. In rheumatology it is most commonly used to treat certain types of lupus. Cellcept (mycophenolate mofetil) has been used successfully to treat dermatomyositis. It can help lower and or eliminate the steroid dose.