A Study to Evaluate the Real-world Experience and Satisfaction Associated With Ofatumumab

Physician inclusion criteria: * Physicians must be actively involved in the treatment/management of patients with MS * Consult with a minimum of 16 MS patients (\>5 in Japan and China, \>10 in Brazil) per month Patient inclusion criteria: Patients for whom physicians complete a Physician Completed Patient Record Form (PRF), and therefore are included in the pool of data for analysis, are based on the following criteria: * Patients who had a physician-made diagnosis of MS before or at the time of data collection * Patients must not currently be involved in a clinical trial * Patients ≥18 years old * For patients included in the ofatumumab sample, they must have been receiving ofatumumab for \>12 months at the time of data collection Exclusion criteria: • None