How is ofatumumab given?
Your doctor will perform blood tests to make sure you do not have conditions that would prevent you from safely using ofatumumab.
Arzerra is given as an infusion into a vein. A healthcare provider will give you this injection. You may be given other medications to help prevent a reaction to the infusion. You may need to start using these medications up to 2 hours before the start of your ofatumumab infusion.
Arzerra is usually given in a 28-day treatment cycle. You may need to use the medicine only during the first 1 or 2 weeks of each cycle. Your dosing schedule may change with further doses. Your doctor will determine how long to treat you with ofatumumab.
Arzerra must be given slowly, and one infusion can take up to several hours to complete.
Kesimpta is injected under the skin, usually once per month. The first 3 doses are given weekly. A healthcare provider may teach you how to properly use the medication by yourself.
Read and carefully follow any Instructions for Use provided with your medicine. Ask your doctor or pharmacist if you don't understand all instructions.
Prepare an injection only when you are ready to give it. Do not use if the medicine looks cloudy, has changed colors, or has particles in it. Call your pharmacist for new medicine.
Avoid injecting Kesimpta into scars, moles, or stretch marks, or into skin that is red, bruised, scaly, hard, or tender.
You will need frequent medical tests while using ofatumumab, and your next dose may be delayed based on the results.
If you've ever had hepatitis B, using ofatumumab can cause this virus to become active or get worse. You may need frequent liver function tests while using this medicine and for several months after you stop.
Store Kesimpta prefilled syringes in their original carton in a refrigerator. Protect from light and freezing. Do not shake the syringe.
Each Kesimpta prefilled syringe is for one use only. Throw it away after one use, even if there is still medicine left inside.
Use a needle and syringe only once and then place them in a puncture-proof "sharps" container. Follow state or local laws about how to dispose of this container. Keep it out of the reach of children and pets.