Tysabri (natalizumab) - Biogen, Royalty
Lymphocytosis as a biomarker for natalizumab treatment response in multiple sclerosis: The link with anti-drug antibodies. (PubMed, Mult Scler) - Oct 18, 2026 - "The absence of relative lymphocytosis is associated with anti-drug antibody responses and may provide a simple biomarker to prompt anti-drug antibody testing before disease breakthrough occurs." 
Biomarker • Journal • CNS Disorders • Multiple Sclerosis
http://www.ncbi.nlm.nih.gov/pubmed/42891510
 
Angray S Kang; David Baker; Emma C Tallantyre; Ester Valero-Hernandez; Iris Y H Liu; Jai Mathur; Klaus Schmierer; Sarah L Morgan
 
Oct 18, 2026
 
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