Rebif®
Quick Facts
Rebif (Interferon beta-1a) is a cytokine immunomodulator that reduces inflammation and immune response.
Self-injected under the skin
3 times per week
Relapsing forms of multiple sclerosis in adults, including clinically isolated syndrome, relapsing-remitting MS, and active secondary-progressive MS
Potential Benefit:
Rebif compared to placebo:
- 32% fewer relapses over 2 years
- 78% fewer new or enlarging T2 brain lesions at 2 years.
- 84% fewer T1 lesions at 9 months
- Rebif delayed time to onset of disability progression versus placebo
Common Potential Side Effects
Flu-like symptoms, injection-site skin reaction, white blood count and liver test abnormalities
Prescription Assistance:
For assistance finding additional resources that might help cover the costs of your prescription, contact MSAA.
DRUGMAKER
EMD Serono
HOW Rebif® WORKS
Rebif (Interferon beta-1a) is an immunomodulating therapy made from proteins naturally produced by the body to fight viral infections. Rebif reduces inflammation and helps control and prevent the immune system from attacking the myelin sheath and damaging nerves.
FDA-Approved
Rebif® was FDA approved in 2002 to treat relapsing forms of MS, including clinically isolated syndrome, relapsing-remitting disease, and active secondary-progressive disease, in adults.
Potential Side Effects
Flu-like symptoms, injection-site skin reaction, white blood count and liver test abnormalities. More serious adverse events include: seizures, liver problems, including liver failure, depression and suicidal thoughts. Rebif® can affect bone marrow causing low red and white blood cell and platelet counts.
OTHER KEY INFORMATION
Testing completed prior to starting Rebif® includes:
- Complete Blood Count
- Liver function test
Regular testing completed after starting Rebif® includes:
- Liver function test at months 1, 3, 6 of treatment and periodically thereafter
- In individuals with thyroid disorders, check thyroid function tests periodically as well
- As with other DMTs, MRI scan of brain before initiation and periodically thereafter also recommended