This study will be conducted retrospectively (for patients who had their first treatment initiated on either Ofatumumab or Ocrelizumab before study start and from 2019 onwards) and prospectively (for patients who are initiated on either drug during the active recruitment period which spans for one year after the start of the first data collection) using data collected in a standardized manner.~Index date (baseline): Defined as the date of the first treatment initiated on either Ofatumumab or Ocrelizumab Index period: The patients fulfilling the inclusion criteria will be identified during the recruitment period (01-Jan-2019 to 01-April-2023 or up to 1 year after the start of the active recruitment period).
This is a retrospective and prospective, observational mixed-methods (quantitative and qualitative) cohort study of patients who are treated with either Ofatumumab or Ocrelizumab that will be recruited and followed up for one year to collect their profiles across the Gulf countries.