New guidance on use of sNfL in practice
May 27, 2024…4 (Kuhle et al. Neurology 2019;92:e1007-e1015). The international panel recommended obtaining CSF and serum NfL at baseline. sNfL is sufficient if no lumbar puncture is planned and is less invasive than cNfL for subsequent follow-ups. NfL testing may be performed if new MRI lesions are observed; at 3-6 months after a disease activity event (relapse, Gd+ lesion); and at 3-6 month intervals after DMT initiation to evaluate treatment effectiveness….