Clinical implications of natalizumab Fab-arm exchange in patients with multiple sclerosis.

Front Immunol · 2026 · PMC13193995 · PMID 42183264

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showed a trendno p-value reported

Contrary to the hypothesis that higher bivalent levels might increase PML risk, cases showed a trend toward lower bivalent natalizumab levels, although definite conclusions were limited by small sample size.

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