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Neurology · 2025

Toward a Unified Definition of Progression Independent of Relapse Activity in Multiple Sclerosis.

СтатьяНазвание и аннотация: Перевод в очереди
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Portaccio Emilio, Betti Matteo, De Meo Ermelinda, Pastò Luisa, Prestipino Elio, Lugaresi Alessandra, Cocco Eleonora, De Luca Giovanna, Patti Francesco, Torri Clerici Valentina Liliana Adriana Maria, Ferraro Diana, Brescia Morra Vincenzo, Salemi Giuseppe, Vianello Marika, Cerqua Raffaella, Inglese Matilde, Pasanisi Maria Barbara, Perini Paola, Romano Silvia, Pozzilli Carlo, Tortorella Carla, Di Sapio Alessia, Annovazzi Pietro, Simone Marta, Iaffaldano Pietro, Rocca Maria A, Filippi Massimo, Trojano Maria, Amato Maria Pia, Italian Multiple Sclerosis and Related Disorders Register

Аннотация

OBJECTIVES: Progression independent of relapse activity (PIRA) is the main driver of disability accumulation in relapsing multiple sclerosis (MS). We tested various PIRA definitions against the risk of long-term disability.

METHODS: Patients with relapsing MS, first visit ≥January 1, 2000, ≥3 visits with Expanded Disability Status Scale (EDSS), and ≥5-year follow-up were extracted from the Italian MS and Related Disorders Register on September 29, 2023. Eighteen PIRA definitions were obtained combining fixed or roving baseline, 24-week, 48-week confirmed or sustained disability accrual, no relapses ≤90 days before/≤30 days after the event (90d), ≤180 days before/≤30 days after the event, or absence of relapses from baseline to confirmation score (ABS). Predictive performance against the reaching of EDSS = 6.0 was calculated.

RESULTS: A total of 30,203 patients were included. After a follow-up of 11.3 ± 4.3 years, PIRA ranged from 38.8% to 74.1%. EDSS = 6.0 was detected in 4,401 (15%) patients. Sensitivity of PIRA definitions against EDSS = 6.0 was higher using the 90d criterion (66.7%-69.4%), while the ABS criterion increased specificity (55.3%-62.2%).

DISCUSSION: The definition of PIRA combining roving baseline, no relapses 90 days before and 30 days after the event and 24-week confirmation achieved the best predictive value and feasibility, supporting its use in routine practice and research.

Предметные рубрики MeSH

ИП Урсолов Владлен Сергеевич

ИНН 500118482352 · ОГРНИП 314500117700049

Реквизиты и контакты