Rituxan (rituximab) - Roche
Ocrevus (ocrelizumab) - Roche
Tysabri (natalizumab) - Biogen, Royalty
Anti-CD20 Drugs and Natalizumab Confer Equal Protection Against Progression Independent of Relapse Activity (PIRA) in People With Multiple Sclerosis. (PubMed, Eur J Neurol) - Oct 14, 2026 - "In this real-world cohort with long-term follow-up, NTZ and anti-CD20 therapies showed no significant differences in PIRA accrual or time to first PIRA, suggesting comparable long-term control of disability progression beyond relapse. Larger studies are warranted to confirm and refine these observations." 
Journal • CNS Disorders • Multiple Sclerosis
http://www.ncbi.nlm.nih.gov/pubmed/42867409
 
; Antonino Giordano; Federica Esposito; Ferdinando Clarelli; Leonardo Palazzo; Lucia Moiola; Maria A Rocca; Massimo Filippi; Michele Surano
 
Oct 14, 2026
 
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