Starting Kesimpta (ofatumumab)Your first 90 days with relapsing multiple sclerosis (MS): the steps, the dates and who to call
Trial Friendtrialfriend.com
How you take it
A shot under the skin with a pen. You get 1 shot a week for 3 weeks, skip a week, then get 1 shot a month. Your first shot should be done with help from a trained health worker.
Before your first dose
- A blood test for hepatitis B. You cannot start Kesimpta if you have an active hepatitis B infection.
- Blood tests of your antibody levels and your liver.
- Any live vaccines at least 4 weeks before your first shot. Other vaccines at least 2 weeks before, if you can.
- Tell your doctor about every medicine that affects your immune system, including steroids and other MS medicines.
- You or your doctor's office sign up with Novartis Patient Support. Call 1-855-537-4678 for help with insurance.
- Your insurance approves the medicine. With private insurance, you may pay as little as $0.
The first 90 days
- Before the first doseEnrollment and the insurance check
- Before the first doseHepatitis B, antibody and liver tests
- At least 4 weeks beforeLast day for live vaccines, 4 weeks before day 1
- At least 2 weeks beforeLast day for other vaccines, if you can
- Once approvedApproval, then the pen arrives
- Day 1Day 1: first shot, with a trained health worker helping
- Within 24 hoursInjection reactions are most common after the first dose
- Day 8Second starter dose, 20mg (week 1)
- Day 15Third starter dose, 20mg (week 2)
- Week 3Week 3: no shot this week
- Day 29Day 29: first monthly shot
- About 1 month later, then every 30 daysMonthly dose and the next pen
- Week 12B cells are down
Trial Friend, trialfriend.com. From the Kesimpta FDA label dated April 1, 2026 and the drugmaker's program, checked November 8, 2026. Not medical advice: Trial Friend is not a medical provider, and your doctor decides your dose and tests.