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Diouf I, Malpas CB, Sharmin S, Roos I, Horakova D, Havrdova EK, Patti F, Shaygannejad V, Ozakbas S, Izquierdo G, Eichau S, Onofrj M, Lugaresi A, Alroughani R, Prat A, Girard M, Duquette P, Terzi M, Boz C, Grand'Maison F, Hamdy S, Sola P, Ferraro D, Grammond P, Turkoglu R, Buzzard K, Skibina O, Yamout B, Altintas A, Gerlach O, van Pesch V, Blanco Y, Maimone D, Lechner‐Scott J, Bergamaschi R, Karabudak R, Iuliano G, McGuigan C, Cartechini E, Barnett M, Hughes S, Sa MJ, Solaro C, Kappos L, Ramo‐Tello C, Cristiano E, Hodgkinson S, Spitaleri D, Soysal A, Petersen T, Slee M, Butler E, Granella F, de Gans K, McCombe P, Ampapa R, Van Wijmeersch B, van der Walt A, Butzkueven H, Prevost J, Sinnige LGF, Sanchez‐Menoyo JL, Vucic S, Laureys G, Van Hijfte L, Khurana D, Macdonell R, Gouider R, Castillo‐Triviño T, Gray O, Aguera‐Morales E, Al‐Asmi A, Shaw C, Deri N, Al‐Harbi T, Fragoso Y, Csepany T, Perez Sempere A, Trevino‐Frenk I, Schepel J, Moore F, Kalincik T. Variability of the response to immunotherapy among subgroups of patients with multiple sclerosis. Eur J Neurol 2023; 30:1014-1024. [PMID: 36692895 PMCID: PMC10946605 DOI: 10.1111/ene.15706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 01/16/2023] [Accepted: 01/18/2023] [Indexed: 01/25/2023]
Abstract
BACKGROUND AND PURPOSE This study assessed the effect of patient characteristics on the response to disease-modifying therapy (DMT) in multiple sclerosis (MS). METHODS We extracted data from 61,810 patients from 135 centers across 35 countries from the MSBase registry. The selection criteria were: clinically isolated syndrome or definite MS, follow-up ≥ 1 year, and Expanded Disability Status Scale (EDSS) score ≥ 3, with ≥1 score recorded per year. Marginal structural models with interaction terms were used to compare the hazards of 12-month confirmed worsening and improvement of disability, and the incidence of relapses between treated and untreated patients stratified by their characteristics. RESULTS Among 24,344 patients with relapsing MS, those on DMTs experienced 48% reduction in relapse incidence (hazard ratio [HR] = 0.52, 95% confidence interval [CI] = 0.45-0.60), 46% lower risk of disability worsening (HR = 0.54, 95% CI = 0.41-0.71), and 32% greater chance of disability improvement (HR = 1.32, 95% CI = 1.09-1.59). The effect of DMTs on EDSS worsening and improvement and the risk of relapses was attenuated with more severe disability. The magnitude of the effect of DMT on suppressing relapses declined with higher prior relapse rate and prior cerebral magnetic resonance imaging activity. We did not find any evidence for the effect of age on the effectiveness of DMT. After inclusion of 1985 participants with progressive MS, the effect of DMT on disability mostly depended on MS phenotype, whereas its effect on relapses was driven mainly by prior relapse activity. CONCLUSIONS DMT is generally most effective among patients with lower disability and in relapsing MS phenotypes. There is no evidence of attenuation of the effect of DMT with age.
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Affiliation(s)
- Ibrahima Diouf
- Department of MedicineCORe, University of MelbourneMelbourneVictoriaAustralia
| | - Charles B. Malpas
- Department of MedicineCORe, University of MelbourneMelbourneVictoriaAustralia
- Department of NeurologyNeuroimmunology Centre, Royal Melbourne HospitalMelbourneVictoriaAustralia
| | - Sifat Sharmin
- Department of MedicineCORe, University of MelbourneMelbourneVictoriaAustralia
| | - Izanne Roos
- Department of MedicineCORe, University of MelbourneMelbourneVictoriaAustralia
- Department of NeurologyNeuroimmunology Centre, Royal Melbourne HospitalMelbourneVictoriaAustralia
| | - Dana Horakova
- Department of Neurology and Center of Clinical Neuroscience, First Faculty of MedicineCharles University in Prague and General University HospitalPragueCzech Republic
| | - Eva Kubala Havrdova
- Department of Neurology and Center of Clinical Neuroscience, First Faculty of MedicineCharles University in Prague and General University HospitalPragueCzech Republic
| | - Francesco Patti
- Department of Medical and Surgical Sciences and Advanced TechnologiesGF IngrassiaCataniaItaly
| | | | | | | | - Sara Eichau
- Hospital Universitario Virgen MacarenaSevilleSpain
| | - Marco Onofrj
- Department of Neuroscience, Imaging, and Clinical SciencesD'Annunzio UniversityChietiItaly
| | - Alessandra Lugaresi
- IRCCS Istituto delle Scienze Neurologiche di BolognaBolognaItaly
- Dipartimento di Scienze Biomediche e NeuromotorieUniversità di BolognaBolognaItaly
| | - Raed Alroughani
- Division of Neurology, Department of MedicineAmiri HospitalSharqKuwait
| | - Alexandre Prat
- CHUM Mississippi Center and University of MontrealMontrealQuebecCanada
| | - Marc Girard
- CHUM Mississippi Center and University of MontrealMontrealQuebecCanada
| | - Pierre Duquette
- CHUM Mississippi Center and University of MontrealMontrealQuebecCanada
| | - Murat Terzi
- School of MedicineOndokuz Mayis UniversitySamsunTurkey
| | - Cavit Boz
- KTU Medical Faculty, Farabi HospitalTrabzonTurkey
| | | | - Sherif Hamdy
- NeurologyKasr Al Ainy MS Research UnitCairoEgypt
| | - Patrizia Sola
- Department of NeuroscienceAzienda Ospedaliera UniversitariaModenaItaly
| | - Diana Ferraro
- Department of NeuroscienceAzienda Ospedaliera UniversitariaModenaItaly
| | | | - Recai Turkoglu
- Haydarpasa Numune Training and Research HospitalIstanbulTurkey
| | | | - Olga Skibina
- Central Clinical SchoolMonash UniversityMelbourneVictoriaAustralia
| | - Bassem Yamout
- Nehme and Therese Tohme Multiple Sclerosis CenterAmerican University of Beirut Medical CenterBeirutLebanon
| | - Ayse Altintas
- Department of Neurology, School of MedicineKoc UniversityIstanbulTurkey
- Koc University Research Center for Translational MedicineIstanbulTurkey
| | | | | | - Yolanda Blanco
- Center of Neuroimmunology, Service of Neurology, Hospital Clinic of BarcelonaBarcelonaSpain
| | | | - Jeannette Lechner‐Scott
- School of Medicine and Public HealthUniversity of NewcastleNewcastleNew South WalesAustralia
| | | | | | | | | | | | | | | | - Maria José Sa
- Department of NeurologyCentro Hospitalar Universitário de São JoãoPortoPortugal
| | - Claudio Solaro
- Department of NeurologyASL3 GenoveseGenoaItaly
- Department of RehabilitationML Novarese Hospital MoncrivelloGenoaItaly
| | - Ludwig Kappos
- Departments of Medicine and Clinical Research, Neurologic Clinic and PoliclinicUniversity Hospital and University of BaselBaselSwitzerland
| | | | | | | | - Daniele Spitaleri
- Azienda Ospedaliera di Rilievo Nazionale San Giuseppe Moscati AvellinoAvellinoItaly
| | - Aysun Soysal
- Bakirkoy Education and Research Hospital for Psychiatric and Neurological DiseasesIstanbulTurkey
| | | | - Mark Slee
- Flinders UniversityAdelaideSouth AustraliaAustralia
| | | | - Franco Granella
- Department of Medicine and SurgeryUniversity of ParmaParmaItaly
| | | | | | | | | | - Anneke van der Walt
- Central Clinical SchoolMonash UniversityMelbourneVictoriaAustralia
- Department of NeurologyAlfred HospitalMelbourneVictoriaAustralia
| | | | | | | | | | - Steve Vucic
- Westmead HospitalSydneyNew South WalesAustralia
| | | | | | - Dheeraj Khurana
- Postgraduate Institute of Medical Education and ResearchChandigarhIndia
| | | | | | - Tamara Castillo‐Triviño
- Instituto de Investigacion Sanitaria Biodonostia, Hospital Universitario DonostiaSan SebastianSpain
| | | | | | | | - Cameron Shaw
- University Hospital GeelongGeelongVictoriaAustralia
| | | | - Talal Al‐Harbi
- Neurology DepartmentKing Fahad Specialist Hospital–DammamDammamSaudi Arabia
| | - Yara Fragoso
- Universidade Metropolitana de SantosSantosBrazil
| | - Tunde Csepany
- Department of Neurology, Faculty of MedicineUniversity of DebrecenDebrecenHungary
| | | | - Irene Trevino‐Frenk
- Instituto Nacional de Ciencias Medicas y Nutricion Salvador ZubiranMexico CityMexico
| | | | | | - Tomas Kalincik
- Department of MedicineCORe, University of MelbourneMelbourneVictoriaAustralia
- Department of NeurologyNeuroimmunology Centre, Royal Melbourne HospitalMelbourneVictoriaAustralia
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