Multiple sclerosis journal - experimental, translational and clinical · 2026
Retinal atrophy in multiple sclerosis is similar with extended versus standard interval natalizumab therapy.
СтатьяНазвание и аннотация: Перевод в очереди
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McCormack Brenna, Ezzedin Omar, Lin Ting-Yi, Bacchetti Anna, Moretti Giulia S, Lievers Ernest, Gulati Ananya, Davis Simidele, Otero-Duran Gabriel, Bonair Devon J, Pellegrini Nicole, Gakis Georgios, Filippatou Angeliki, Lambert Clare McGarvey, O'Donnell Martin Maurice, Fitzgerald Kathryn, Sotirchos Elias S, Calabresi Peter A, Newsome Scott D, Mowry Ellen M, Saidha Shiv
Аннотация
BACKGROUND: Retinal ganglion cell + inner plexiform layer (GCIPL) atrophy reflects global neurodegeneration and disability in multiple sclerosis. Extended interval dosing (EID; every 5-8 weeks) natalizumab reduces progressive multifocal leukoencephalopathy risk in people with relapsing-remitting multiple sclerosis (PwRRMS) versus standard interval dosing (SID; every 4 weeks).
OBJECTIVES: To assess if EID versus SID natalizumab differentially impacts GCIPL atrophy, other retinal layer (peripapillary retinal nerve fiber layer (pRNFL), inner nuclear layer (INL), and outer nuclear layer (ONL)) atrophy, and/or clinical outcomes in PwRRMS.
METHODS: PwRRMS underwent longitudinal Cirrus high-definition optical coherence tomography (OCT), expanded disability status scale (EDSS), 100% and 2.5% contrast letter-acuity (LA) assessments. Analyses utilized mixed-effects regression models adjusting for age, sex, race, disease duration, optic neuritis history, and interval between treatment initiation and OCT monitoring, accounting for within-subject, inter-eye correlations.
RESULTS: GCIPL and pRNFL atrophy rates were not significantly different between EID (n = 22) and SID (n = 109) natalizumab (p = 0.48, p = 0.24). INL and ONL atrophy were faster with EID versus SID natalizumab (p = 0.02, p < 0.001). Age was higher (44.8 vs. 40.1 years, p = 0.03) and disease duration longer (15.2 vs. 8.4 years, p < 0.001) in the EID natalizumab cohort. Annual EDSS and 100% and 2.5% LA changes were similar between cohorts.
CONCLUSION: We detected no significant difference in GCIPL or pRNFL atrophy, or clinical outcomes, between EID and SID natalizumab. Faster INL and ONL atrophy may relate to cohort demographic differences.
OBJECTIVES: To assess if EID versus SID natalizumab differentially impacts GCIPL atrophy, other retinal layer (peripapillary retinal nerve fiber layer (pRNFL), inner nuclear layer (INL), and outer nuclear layer (ONL)) atrophy, and/or clinical outcomes in PwRRMS.
METHODS: PwRRMS underwent longitudinal Cirrus high-definition optical coherence tomography (OCT), expanded disability status scale (EDSS), 100% and 2.5% contrast letter-acuity (LA) assessments. Analyses utilized mixed-effects regression models adjusting for age, sex, race, disease duration, optic neuritis history, and interval between treatment initiation and OCT monitoring, accounting for within-subject, inter-eye correlations.
RESULTS: GCIPL and pRNFL atrophy rates were not significantly different between EID (n = 22) and SID (n = 109) natalizumab (p = 0.48, p = 0.24). INL and ONL atrophy were faster with EID versus SID natalizumab (p = 0.02, p < 0.001). Age was higher (44.8 vs. 40.1 years, p = 0.03) and disease duration longer (15.2 vs. 8.4 years, p < 0.001) in the EID natalizumab cohort. Annual EDSS and 100% and 2.5% LA changes were similar between cohorts.
CONCLUSION: We detected no significant difference in GCIPL or pRNFL atrophy, or clinical outcomes, between EID and SID natalizumab. Faster INL and ONL atrophy may relate to cohort demographic differences.