Comparative Efficacy of Double-Filtration Plasmapheresis Versus Intravenous Methylprednisolone in Acute Attacks of Neuromyelitis Optica Spectrum Disorder: A Prospective Cohort Study

DFPP exhibited comparable effectiveness to IVMP in improving disability during NMOSD acute attacks, with a trend towards a more favorable safety profile. The combination of DFPP and IVMP may benefit severe cases. These findings support DFPP as a viable therapeutic option, particularly for patients with high baseline disability or steroid-refractory disease.