Is rebif a pen?

Does Rebif Come in a Pen?

Yes, Rebif (interferon beta-1a) is available in a prefilled autoinjector pen called RebiSmart. This device delivers the drug subcutaneously for multiple sclerosis treatment, making self-injection easier than vials.[1]

How Does the RebiSmart Pen Work?

The pen holds 22 mcg or 44 mcg doses in 1 mL volume. Users select the dose, insert a needle, and press a button for injection. It includes features like hidden needles, dose confirmation, and injection-site tracking via an app.[1][2]

What Other Forms Does Rebif Have?

Rebif also comes in prefilled syringes and vials for manual injection. The pen is the most patient-preferred option for convenience.[1]

Who Makes Rebif and the Pen?

EMD Serono (Merck KGaA affiliate) manufactures Rebif and RebiSmart. It's approved by the FDA for relapsing MS forms.[1][2]

When Did the Pen Launch?

RebiSmart launched in Europe in 2012 and the US in 2014, improving adherence over older formats.[2]

[1]: FDA Label for Rebif
[2]: EMD Serono RebiSmart Page