Регулирование возобновления множественных склерозов во время лечения с натализумбом.
Обработка статьи · этапы, ошибки и управление
Ошибки и ограничения
История · было → стало
Состояние обновляется каждые 5 секунд, пока блок открыт. Процент показывается только там, где известен объём работы. Пауза останавливает продолжение этапа; текущий запрос к источнику может завершиться.
Lizak Nathaniel, Sharmin Sifat, Horáková Dana, Havrdova Eva Kubala, Eichau Sara, van der Walt Anneke, Butzkueven Helmut, Lechner-Scott Jeannette, Buzzard Katherine, Skibina Olga, Gerlach Oliver, Prat Alexandre, Girard Marc, Duquette Pierre, Alroughani Raed, Patti Francesco, Grand'Maison Francois, Sá Maria José, Aguera-Morales Eduardo, Hodgkinson Suzanne, Grammond Pierre, Kuhle Jens, Yamout Bassem, Khoury Samia J, Ozakbas Serkan, Csepany Tunde, John Nevin, Laureys Guy, Terzi Murat, Amato Maria Pia, Boz Cavit, Al-Asmi Abdullah, Cartechini Elisabetta, Gouider Riadh, Mrabet Saloua, Roos Izanne, Kalincik Tomas
Аннотация
Оригинал публикации
Managing reactivation of multiple sclerosis during treatment with natalizumab.
BACKGROUND: Following natalizumab failure, it is unknown whether switching to alternative high-efficacy therapies offers superior effectiveness over continuing natalizumab.
OBJECTIVE: To compare different treatment strategies following natalizumab failure.
METHODS: Patients suffering a relapse during natalizumab treatment with adequate follow-up were identified from the MSBase registry. Following natalizumab failure, natalizumab continuation was compared to switching to anti-CD20 therapies/alemtuzumab/lower-efficacy therapies and treatment discontinuation. The primary outcome was the risk of further relapses. Secondary outcomes included risk of subsequent magnetic resonance imaging (MRI) activity, confirmed disability worsening and disease-activity-free survival. Multivariable proportional hazards models compared outcomes during time-varying therapy exposures. Four sensitivity analyses were conducted with varied inclusion criteria and treatment failure definitions.
RESULTS: Of 1553 patients experiencing a relapse during natalizumab treatment, 1037 met the inclusion criteria. Following natalizumab failure, switch to anti-CD20 therapy was associated with a lower relapse risk (heart rate (HR) = 0.48, 95% confidence interval (CI) = 0.27-0.84) compared to continuing natalizumab; no differences were observed in MRI or disability outcomes. Treatment de-escalation or cessation was associated with increased relapse risk (HR = 1.46, 95% CI = 1.15-1.85; HR = 2.08, 95% CI = 1.22-3.55, respectively). We did not find evidence of a difference for switching to alemtuzumab. Sensitivity analyses replicated primary findings.
CONCLUSION: This exploratory study indicates that switching to anti-CD20 therapies following natalizumab failure is associated with a >50% reduction in relapse risk. No differences were seen in secondary outcomes, despite consistent trends. Clinicians may consider anti-CD20 therapies following natalizumab failure, noting further research is needed to confirm differences in MRI and disability outcomes.