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Ziemssen T, Posevitz-Fejfár A, Chudecka A, Cepek L, Reifschneider G, Grothe C, Richter J, Wagner T, Müller B, Penner IK. Evaluation of therapy satisfaction with cladribine tablets in patients with RMS: Final results of the non-interventional study CLEVER. Mult Scler Relat Disord 2024; 90:105812. [PMID: 39151238 DOI: 10.1016/j.msard.2024.105812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Revised: 07/10/2024] [Accepted: 08/05/2024] [Indexed: 08/19/2024]
Abstract
BACKGROUND Cladribine tablets for the treatment of relapsing multiple sclerosis (RMS) are administered in two pulsed treatment courses in two consecutive years, totalling a maximum of 20 treatment days. Here we present data collected shortly after the launch of cladribine tablets, focusing on the patient's perspective. The objective was to investigate patients' perceived effectiveness, tolerability, and convenience, as well as global satisfaction of and with cladribine tablets. METHODS CLEVER was a non-interventional multicentre study conducted in Germany from 12/2017 to 7/2020. Adult patients with RMS initiating therapy with cladribine tablets were included. Observation time per patient was 24 weeks, comprising 3 visits (baseline, week 4 and 24). The primary endpoint was overall treatment satisfaction at week 24, assessed by the Treatment Satisfaction Questionnaire for Medication 14 items (TSQM 1.4). Subgroup analyses included stratification by prior treatment. RESULTS In total, 491 patients (69.2 % female; mean (±SD) age 40.3 (±11.5) years, 85.1 % pre-treated, median EDSS 2.5) initiated therapy with cladribine tablets and were included in the analysis. At week 24, the mean (±SD) global TSQM satisfaction score was 75.6 (±19.0). For patients switching from either injectables or oral medication, the change in therapy satisfaction from baseline to week 24 was positive in all TSQM domains with clinically meaningful effect sizes in the global satisfaction and side effects domains. Most patients (85.5 %) remained relapse-free over 24 weeks. Out of 491 patients, 187 (38.1 %) experienced at least one adverse event and 8 patients (1.6 %) one serious adverse event. CONCLUSION Treatment satisfaction with cladribine tablets was high. The switch from prior injectables or oral medication translated into increased treatment satisfaction at week 24 with clinically meaningful effects in the global satisfaction and side effects domains. Effectiveness and safety were consistent with results from clinical studies.
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Affiliation(s)
- Tjalf Ziemssen
- Center for Clinical Neuroscience, Department of Neurology, University Hospital Carl Gustav Carus Dresden, Technical University of Dresden, Fetscherstraße 74, 01307 Dresden, Germany.
| | - Anita Posevitz-Fejfár
- Merck Healthcare Germany GmbH, an affiliate of Merck KGaA; Waldstr. 3, 64331 Weiterstadt, Germany
| | - Anita Chudecka
- Clinical Research Services, Cytel. Inc, Route de Prébois 20, CH-1215 Geneva, Switzerland
| | - Lukas Cepek
- Nervenfachärztliche Gemeinschaftspraxis Ulm, Pfauengasse 8, 89073 Ulm, Germany
| | - Gerd Reifschneider
- NeuroCentrum Odenwald, Regional Community Practice, Albert-Schweitzer-Str. 8, 64711 Erbach, Germany
| | - Christoph Grothe
- Neurologie in Niederkassel (Praxis Dr. Christoph Grothe und Team), Oberstr. 12, 53859 Niederkassel-Rheidt, Germany
| | - Joachim Richter
- Merck Healthcare Germany GmbH, an affiliate of Merck KGaA; Waldstr. 3, 64331 Weiterstadt, Germany
| | - Torsten Wagner
- Merck Healthcare Germany GmbH, an affiliate of Merck KGaA; Waldstr. 3, 64331 Weiterstadt, Germany
| | - Beate Müller
- Merck Healthcare Germany GmbH, an affiliate of Merck KGaA; Waldstr. 3, 64331 Weiterstadt, Germany
| | - Iris-Katharina Penner
- COGITO Center for Applied Neurocognition and Neuropsychological Research, Merowingerpl. 1, 40225 Düsseldorf, Germany; Department of Neurology, Inselspital, Bern University Hospital, University of Bern, Freiburgstrasse, 3010 Bern, Switzerland
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Monif M, Sequeira RP, Muscat A, Stuckey S, Sanfilippo PG, Minh V, Loftus N, Voo V, Fazzolari K, Moss M, Maltby VE, Nguyen AL, Wesselingh R, Seery N, Nesbitt C, Baker J, Dwyer C, Taylor L, Rath L, Van der Walt A, Marriott M, Kalincik T, Lechner-Scott J, O'Brien TJ, Butzkueven H. CLADIN- CLADribine and INnate immune response in multiple sclerosis - A phase IV prospective study. Clin Immunol 2024; 265:110304. [PMID: 38964633 DOI: 10.1016/j.clim.2024.110304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2024] [Revised: 06/06/2024] [Accepted: 07/01/2024] [Indexed: 07/06/2024]
Abstract
Cladribine (Mavenclad®) is an oral treatment for relapsing remitting MS (RRMS), but its mechanism of action and its effects on innate immune responses in unknown. This study is a prospective Phase IV study of 41 patients with RRMS, and aims to investigate the mechanism of action of cladribine on peripheral monocytes, and its impact on the P2X7 receptor. There was a significant reduction in monocyte count in vivo at week 1 post cladribine administration, and the subset of cells being most impacted were the CD14lo CD16+ 'non-classical' monocytes. Of the 14 cytokines measured in serum, CCL2 levels increased at week 1. In vitro, cladrabine induced a reduction in P2X7R pore as well as channel activity. This study demonstrates a novel mechanism of action for cladribine. It calls for studying potential benefits of cladribine in progressive forms of MS and other neurodegenerative diseases where innate immune related inflammation is implicated in disease pathogenesis.
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Affiliation(s)
- Mastura Monif
- Department of Neuroscience, Monash University, Melbourne, VIC, Australia; Department of Neurology, Melbourne Health, Melbourne, VIC, Australia; Department of Neurology, Alfred Health, Melbourne, VIC, Australia; Department of Physiology, The University of Melbourne, Melbourne, VIC, Australia.
| | - Richard P Sequeira
- Department of Neuroscience, Monash University, Melbourne, VIC, Australia
| | - Andrea Muscat
- Department of Neuroscience, Monash University, Melbourne, VIC, Australia
| | - Sian Stuckey
- Department of Neuroscience, Monash University, Melbourne, VIC, Australia
| | - Paul G Sanfilippo
- Department of Neuroscience, Monash University, Melbourne, VIC, Australia
| | - Viet Minh
- Department of Neurology, Alfred Health, Melbourne, VIC, Australia; School of Nursing, Midwifery and Paramedicine, Australian Catholic University, Melbourne, VIC, Australia
| | - Naomi Loftus
- Department of Neurology, Alfred Health, Melbourne, VIC, Australia
| | - Veronica Voo
- Department of Neuroscience, Monash University, Melbourne, VIC, Australia
| | | | - Melinda Moss
- Department of Neurology, Alfred Health, Melbourne, VIC, Australia
| | - Vicki E Maltby
- John Hunter Hospital, Department of Neurology, New Lambton Heights, NSW, Australia; School of Medicine and Public Health, Hunter Medical Research Institute, University of Newcastle, Callaghan, NSW, Australia
| | - Ai-Lan Nguyen
- Department of Neurology, Melbourne Health, Melbourne, VIC, Australia; Department of Medicine, University of Melbourne, Melbourne, VIC, Australia
| | - Robb Wesselingh
- Department of Neuroscience, Monash University, Melbourne, VIC, Australia; Department of Neurology, Alfred Health, Melbourne, VIC, Australia
| | - Nabil Seery
- Department of Neuroscience, Monash University, Melbourne, VIC, Australia; Department of Neurology, Alfred Health, Melbourne, VIC, Australia
| | - Cassie Nesbitt
- Department of Neurology, Alfred Health, Melbourne, VIC, Australia; Department of Neurology, Barwon Health, Melbourne, VIC, Australia
| | - Josephine Baker
- Department of Neurology, Alfred Health, Melbourne, VIC, Australia
| | - Chris Dwyer
- Department of Neurology, Melbourne Health, Melbourne, VIC, Australia
| | - Lisa Taylor
- Department of Neurology, Melbourne Health, Melbourne, VIC, Australia
| | - Louise Rath
- Department of Neurology, Alfred Health, Melbourne, VIC, Australia
| | - Anneke Van der Walt
- Department of Neuroscience, Monash University, Melbourne, VIC, Australia; Department of Neurology, Alfred Health, Melbourne, VIC, Australia
| | - Mark Marriott
- Department of Neurology, Melbourne Health, Melbourne, VIC, Australia; Department of Medicine, University of Melbourne, Melbourne, VIC, Australia; Department of Neurology, Eastern Health, Melbourne, VIC, Australia
| | - Tomas Kalincik
- Department of Neurology, Melbourne Health, Melbourne, VIC, Australia; Department of Medicine, University of Melbourne, Melbourne, VIC, Australia
| | - Jeannette Lechner-Scott
- John Hunter Hospital, Department of Neurology, New Lambton Heights, NSW, Australia; School of Medicine and Public Health, Hunter Medical Research Institute, University of Newcastle, Callaghan, NSW, Australia
| | - Terence J O'Brien
- Department of Neuroscience, Monash University, Melbourne, VIC, Australia; Department of Neurology, Alfred Health, Melbourne, VIC, Australia
| | - Helmut Butzkueven
- Department of Neuroscience, Monash University, Melbourne, VIC, Australia; Department of Neurology, Alfred Health, Melbourne, VIC, Australia
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Ciron J, Bourre B, Castelnovo G, Guennoc AM, De Sèze J, Ben-Amor AF, Savarin C, Vermersch P. Holistic, Long-Term Management of People with Relapsing Multiple Sclerosis with Cladribine Tablets: Expert Opinion from France. Neurol Ther 2024; 13:503-518. [PMID: 38488979 PMCID: PMC11136930 DOI: 10.1007/s40120-024-00589-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Accepted: 02/09/2024] [Indexed: 03/17/2024] Open
Abstract
Cladribine tablets (CladT) has been available for therapeutic use in France since March 2021 for the management of highly active relapsing multiple sclerosis (RMS). This high-efficacy disease-modifying therapy (DMT) acts as an immune reconstitution therapy. In contrast to most high-efficacy DMTs, which act via continuous immunosuppression, two short courses of oral treatment with CladT at the beginning of years 1 and 2 of treatment provide long-term control of MS disease activity in responders to treatment, without the need for any further pharmacological treatment for several years. Although the labelling for CladT does not provide guidance beyond the initial treatment courses, real-world data on the therapeutic use of CladT from registries of previous clinical trial participants and patients treated in routine practice indicate that MS disease activity is controlled for a period of years beyond this time for a substantial proportion of patients. Moreover, this clinical experience has provided useful information on how to initiate and manage treatment with CladT. In this article we, a group of expert neurologists from France, provide recommendations on the initiation of CladT in DMT-naïve patients, how to switch from existing DMTs to CladT for patients with continuing MS disease activity, how to manage patients during the first 2 years of treatment and finally, how to manage patients with or without MS disease activity in years 3, 4 and beyond after initiating treatment with CladT. We believe that optimisation of the use of CladT beyond its initial courses of treatment will maximise the benefits of this treatment, especially early in the course of MS when suppression of focal inflammation in the CNS is a clinical priority to limit MS disease progression.
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Affiliation(s)
- Jonathan Ciron
- Department of Neurology, Centre de Ressources et de Compétences Sclérose en Plaques (CRC-SEP), Toulouse University Hospital, Hôpital Pierre-Paul Riquet, Toulouse, France
- INSERM UMR1291, CNRS UMR5051, Institut Toulousain des Maladies Infectieuses et Inflammatoires (Infinity), Université Toulouse III, Toulouse, France
| | | | - Giovanni Castelnovo
- Department of Neurology, Nîmes University Hospital, Hopital Caremeau, Nîmes, France
| | | | - Jérôme De Sèze
- Department of Neurology, Strasbourg University Hospital, Strasbourg, France
| | - Ali Frederic Ben-Amor
- Knowlepsy Investment, Marseille Innovation, Technopôle de Château-Gombert, Marseille, France
| | - Carine Savarin
- Merck Santé S.A.S., an Affiliate of Merck KGaA, Lyon, France
| | - Patrick Vermersch
- Univ. Lille, Inserm U1172 LilNCog, CHU Lille, FHU Precise, Lille, France.
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Cortese R, Testa G, Assogna F, De Stefano N. Magnetic Resonance Imaging Evidence Supporting the Efficacy of Cladribine Tablets in the Treatment of Relapsing-Remitting Multiple Sclerosis. CNS Drugs 2024; 38:267-279. [PMID: 38489020 PMCID: PMC10980660 DOI: 10.1007/s40263-024-01074-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 02/15/2024] [Indexed: 03/17/2024]
Abstract
Numerous therapies are currently available to modify the disease course of multiple sclerosis (MS). Magnetic resonance imaging (MRI) plays a pivotal role in assessing treatment response by providing insights into disease activity and clinical progression. Integrating MRI findings with clinical and laboratory data enables a comprehensive assessment of the disease course. Among available MS treatments, cladribine is emerging as a promising option due to its role as a selective immune reconstitution therapy, with a notable impact on B cells and a lesser effect on T cells. This work emphasizes the assessment of MRI's contribution to MS treatment, particularly focusing on the influence of cladribine tablets on imaging outcomes, encompassing data from pivotal and real-world studies. The evidence highlights that cladribine, compared with placebo, not only exhibits a reduction in inflammatory imaging markers, such as T1-Gd+, T2 and combined unique active (CUA) lesions, but also mitigates the effect on brain volume loss, particularly within grey matter. Importantly, cladribine reveals early action by reducing CUA lesions within the first months of treatment, regardless of a patient's initial conditions. The selective mechanism of action, and sustained efficacy beyond year 2, combined with its early onset of action, collectively position cladribine tablets as a pivotal component in the therapeutic paradigm for MS. Overall, MRI, along with clinical measures, has played a substantial role in showcasing the effectiveness of cladribine in addressing both the inflammatory and neurodegenerative aspects of MS.
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Affiliation(s)
- Rosa Cortese
- Department of Medicine, Surgery and Neuroscience, University of Siena, Viale Bracci 2, 53100, Siena, Italy
| | - Giovanna Testa
- Merck Serono S.p.A. Italy, An Affiliate of Merck KGaA, Rome, Italy
| | | | - Nicola De Stefano
- Department of Medicine, Surgery and Neuroscience, University of Siena, Viale Bracci 2, 53100, Siena, Italy.
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Gonzalez-Lorenzo M, Ridley B, Minozzi S, Del Giovane C, Peryer G, Piggott T, Foschi M, Filippini G, Tramacere I, Baldin E, Nonino F. Immunomodulators and immunosuppressants for relapsing-remitting multiple sclerosis: a network meta-analysis. Cochrane Database Syst Rev 2024; 1:CD011381. [PMID: 38174776 PMCID: PMC10765473 DOI: 10.1002/14651858.cd011381.pub3] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/05/2024]
Abstract
BACKGROUND Different therapeutic strategies are available for the treatment of people with relapsing-remitting multiple sclerosis (RRMS), including immunomodulators, immunosuppressants and biological agents. Although each one of these therapies reduces relapse frequency and slows disability accumulation compared to no treatment, their relative benefit remains unclear. This is an update of a Cochrane review published in 2015. OBJECTIVES To compare the efficacy and safety, through network meta-analysis, of interferon beta-1b, interferon beta-1a, glatiramer acetate, natalizumab, mitoxantrone, fingolimod, teriflunomide, dimethyl fumarate, alemtuzumab, pegylated interferon beta-1a, daclizumab, laquinimod, azathioprine, immunoglobulins, cladribine, cyclophosphamide, diroximel fumarate, fludarabine, interferon beta 1-a and beta 1-b, leflunomide, methotrexate, minocycline, mycophenolate mofetil, ofatumumab, ozanimod, ponesimod, rituximab, siponimod and steroids for the treatment of people with RRMS. SEARCH METHODS CENTRAL, MEDLINE, Embase, and two trials registers were searched on 21 September 2021 together with reference checking, citation searching and contact with study authors to identify additional studies. A top-up search was conducted on 8 August 2022. SELECTION CRITERIA Randomised controlled trials (RCTs) that studied one or more of the available immunomodulators and immunosuppressants as monotherapy in comparison to placebo or to another active agent, in adults with RRMS. DATA COLLECTION AND ANALYSIS Two authors independently selected studies and extracted data. We considered both direct and indirect evidence and performed data synthesis by pairwise and network meta-analysis. Certainty of the evidence was assessed by the GRADE approach. MAIN RESULTS We included 50 studies involving 36,541 participants (68.6% female and 31.4% male). Median treatment duration was 24 months, and 25 (50%) studies were placebo-controlled. Considering the risk of bias, the most frequent concern was related to the role of the sponsor in the authorship of the study report or in data management and analysis, for which we judged 68% of the studies were at high risk of other bias. The other frequent concerns were performance bias (34% judged as having high risk) and attrition bias (32% judged as having high risk). Placebo was used as the common comparator for network analysis. Relapses over 12 months: data were provided in 18 studies (9310 participants). Natalizumab results in a large reduction of people with relapses at 12 months (RR 0.52, 95% CI 0.43 to 0.63; high-certainty evidence). Fingolimod (RR 0.48, 95% CI 0.39 to 0.57; moderate-certainty evidence), daclizumab (RR 0.55, 95% CI 0.42 to 0.73; moderate-certainty evidence), and immunoglobulins (RR 0.60, 95% CI 0.47 to 0.79; moderate-certainty evidence) probably result in a large reduction of people with relapses at 12 months. Relapses over 24 months: data were reported in 28 studies (19,869 participants). Cladribine (RR 0.53, 95% CI 0.44 to 0.64; high-certainty evidence), alemtuzumab (RR 0.57, 95% CI 0.47 to 0.68; high-certainty evidence) and natalizumab (RR 0.56, 95% CI 0.48 to 0.65; high-certainty evidence) result in a large decrease of people with relapses at 24 months. Fingolimod (RR 0.54, 95% CI 0.48 to 0.60; moderate-certainty evidence), dimethyl fumarate (RR 0.62, 95% CI 0.55 to 0.70; moderate-certainty evidence), and ponesimod (RR 0.58, 95% CI 0.48 to 0.70; moderate-certainty evidence) probably result in a large decrease of people with relapses at 24 months. Glatiramer acetate (RR 0.84, 95%, CI 0.76 to 0.93; moderate-certainty evidence) and interferon beta-1a (Avonex, Rebif) (RR 0.84, 95% CI 0.78 to 0.91; moderate-certainty evidence) probably moderately decrease people with relapses at 24 months. Relapses over 36 months findings were available from five studies (3087 participants). None of the treatments assessed showed moderate- or high-certainty evidence compared to placebo. Disability worsening over 24 months was assessed in 31 studies (24,303 participants). Natalizumab probably results in a large reduction of disability worsening (RR 0.59, 95% CI 0.46 to 0.75; moderate-certainty evidence) at 24 months. Disability worsening over 36 months was assessed in three studies (2684 participants) but none of the studies used placebo as the comparator. Treatment discontinuation due to adverse events data were available from 43 studies (35,410 participants). Alemtuzumab probably results in a slight reduction of treatment discontinuation due to adverse events (OR 0.39, 95% CI 0.19 to 0.79; moderate-certainty evidence). Daclizumab (OR 2.55, 95% CI 1.40 to 4.63; moderate-certainty evidence), fingolimod (OR 1.84, 95% CI 1.31 to 2.57; moderate-certainty evidence), teriflunomide (OR 1.82, 95% CI 1.19 to 2.79; moderate-certainty evidence), interferon beta-1a (OR 1.48, 95% CI 0.99 to 2.20; moderate-certainty evidence), laquinimod (OR 1.49, 95 % CI 1.00 to 2.15; moderate-certainty evidence), natalizumab (OR 1.57, 95% CI 0.81 to 3.05), and glatiramer acetate (OR 1.48, 95% CI 1.01 to 2.14; moderate-certainty evidence) probably result in a slight increase in the number of people who discontinue treatment due to adverse events. Serious adverse events (SAEs) were reported in 35 studies (33,998 participants). There was probably a trivial reduction in SAEs amongst people with RRMS treated with interferon beta-1b as compared to placebo (OR 0.92, 95% CI 0.55 to 1.54; moderate-certainty evidence). AUTHORS' CONCLUSIONS We are highly confident that, compared to placebo, two-year treatment with natalizumab, cladribine, or alemtuzumab decreases relapses more than with other DMTs. We are moderately confident that a two-year treatment with natalizumab may slow disability progression. Compared to those on placebo, people with RRMS treated with most of the assessed DMTs showed a higher frequency of treatment discontinuation due to AEs: we are moderately confident that this could happen with fingolimod, teriflunomide, interferon beta-1a, laquinimod, natalizumab and daclizumab, while our certainty with other DMTs is lower. We are also moderately certain that treatment with alemtuzumab is associated with fewer discontinuations due to adverse events than placebo, and moderately certain that interferon beta-1b probably results in a slight reduction in people who experience serious adverse events, but our certainty with regard to other DMTs is lower. Insufficient evidence is available to evaluate the efficacy and safety of DMTs in a longer term than two years, and this is a relevant issue for a chronic condition like MS that develops over decades. More than half of the included studies were sponsored by pharmaceutical companies and this may have influenced their results. Further studies should focus on direct comparison between active agents, with follow-up of at least three years, and assess other patient-relevant outcomes, such as quality of life and cognitive status, with particular focus on the impact of sex/gender on treatment effects.
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Affiliation(s)
- Marien Gonzalez-Lorenzo
- Laboratorio di Metodologia delle revisioni sistematiche e produzione di Linee Guida, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Milan, Italy
| | - Ben Ridley
- IRCCS Istituto delle Scienze Neurologiche di Bologna, Bologna, Italy
| | - Silvia Minozzi
- Department of Epidemiology, Lazio Regional Health Service, Rome, Italy
| | - Cinzia Del Giovane
- Institute of Primary Health Care (BIHAM), University of Bern, Bern, Switzerland
- Cochrane Italy, Department of Medical and Surgical Sciences for Children and Adults, University-Hospital of Modena and Reggio Emilia, Modena, Italy
| | - Guy Peryer
- School of Health Sciences, University of East Anglia (UEA), Norwich, UK
| | - Thomas Piggott
- Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, Ontario, Canada
- Department of Family Medicine, Queens University, Kingston, Ontario, Canada
| | - Matteo Foschi
- Department of Neuroscience, Multiple Sclerosis Center - Neurology Unit, S.Maria delle Croci Hospital, AUSL Romagna, Ravenna, Italy
- Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, L'Aquila, Italy
| | - Graziella Filippini
- Scientific Director's Office, Carlo Besta Foundation and Neurological Institute, Milan, Italy
| | - Irene Tramacere
- Department of Research and Clinical Development, Scientific Directorate, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Elisa Baldin
- IRCCS Istituto delle Scienze Neurologiche di Bologna, Bologna, Italy
| | - Francesco Nonino
- IRCCS Istituto delle Scienze Neurologiche di Bologna, Bologna, Italy
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Yuan YG, Wang JL, Zhang YX, Li L, Reza AMMT, Gurunathan S. Biogenesis, Composition and Potential Therapeutic Applications of Mesenchymal Stem Cells Derived Exosomes in Various Diseases. Int J Nanomedicine 2023; 18:3177-3210. [PMID: 37337578 PMCID: PMC10276992 DOI: 10.2147/ijn.s407029] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Accepted: 05/31/2023] [Indexed: 06/21/2023] Open
Abstract
Exosomes are nanovesicles with a wide range of chemical compositions used in many different applications. Mesenchymal stem cell-derived exosomes (MSCs-EXOs) are spherical vesicles that have been shown to mediate tissue regeneration in a variety of diseases, including neurological, autoimmune and inflammatory, cancer, ischemic heart disease, lung injury, and liver fibrosis. They can modulate the immune response by interacting with immune effector cells due to the presence of anti-inflammatory compounds and are involved in intercellular communication through various types of cargo. MSCs-EXOs exhibit cytokine storm-mitigating properties in response to COVID-19. This review discussed the potential function of MSCs-EXOs in a variety of diseases including neurological, notably epileptic encephalopathy and Parkinson's disease, cancer, angiogenesis, autoimmune and inflammatory diseases. We provided an overview of exosome biogenesis and factors that regulate exosome biogenesis. Additionally, we highlight the functions and potential use of MSCs-EXOs in the treatment of the inflammatory disease COVID-19. Finally, we covered a strategies and challenges of MSCs-EXOs. Finally, we discuss conclusion and future perspectives of MSCs-EXOs.
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Affiliation(s)
- Yu-Guo Yuan
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, People’s Republic of China
- Jiangsu Co-Innovation Center of Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou, Jiangsu, People’s Republic of China
| | - Jia-Lin Wang
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, People’s Republic of China
- Jiangsu Co-Innovation Center of Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou, Jiangsu, People’s Republic of China
| | - Ya-Xin Zhang
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, People’s Republic of China
- Jiangsu Co-Innovation Center of Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou, Jiangsu, People’s Republic of China
| | - Ling Li
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, People’s Republic of China
- Jiangsu Co-Innovation Center of Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou, Jiangsu, People’s Republic of China
| | - Abu Musa Md Talimur Reza
- Department of Molecular Biology and Genetics, Faculty of Science, Gebze Technical University, Gebze, Kocaeli, Türkiye
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Zanetta C, Rocca MA, Meani A, Martinelli V, Ferrè L, Moiola L, Filippi M. Effectiveness and safety profile of cladribine in an Italian real-life cohort of relapsing-remitting multiple sclerosis patients: a monocentric longitudinal observational study. J Neurol 2023:10.1007/s00415-023-11700-7. [PMID: 37027018 PMCID: PMC10080181 DOI: 10.1007/s00415-023-11700-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 03/29/2023] [Accepted: 03/30/2023] [Indexed: 04/08/2023]
Abstract
INTRODUCTION Cladribine is approved for the treatment of active relapsing MS (RRMS), but its positioning in MS therapeutic scenario still needs to be fully elucidated. METHODS This is a monocentric, observational, real-world study on RRMS patients treated with cladribine. Relapses, magnetic resonance imaging (MRI) activity, disability worsening, and loss of no-evidence-of-disease-activity-3 (NEDA-3) status were assessed as outcomes. White blood cell, lymphocyte counts and side effects were also evaluated. Patients were analyzed overall and in subgroups according to the last treatment before cladribine. The relationship between baseline characteristics and outcomes was tested to identify predictors of response. RESULTS Among the 114 patients included, 74.9% were NEDA-3 at 24 months. We observed a reduction of relapses and MRI activity, along with a stabilization of disability. A higher number of gadolinium-enhancing lesions at baseline was the only risk factor for loss of NEDA-3 during follow-up. Cladribine was more efficacious in switchers from first-line therapies or naïves. Grade I lymphopenia was more frequent at month 3 and 15. No grade IV lymphopenia cases were observed. Independent predictors of grade III lymphopenia were a lower baseline lymphocyte count and a higher number of previous treatments. Sixty-two patients presented at least one side effect and globally 111 adverse events were recorded, none of them was serious. CONCLUSIONS Our study confirms previous data on cladribine effectiveness and safety. Cladribine is more effective when placed early in the treatment algorithm. Real-world data on larger populations with longer follow-up are needed to confirm our findings.
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Affiliation(s)
- Chiara Zanetta
- Neurology Unit, IRCCS San Raffaele Scientific Institute, Via Olgettina, 60, 20132, Milan, Italy
- Neurorehabilitation Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Maria A Rocca
- Neurology Unit, IRCCS San Raffaele Scientific Institute, Via Olgettina, 60, 20132, Milan, Italy
- Neuroimaging Research Unit, Division of Neuroscience, IRCCS San Raffaele Scientific Institute, Milan, Italy
- Vita-Salute San Raffaele University, Milan, Italy
| | - Alessandro Meani
- Neuroimaging Research Unit, Division of Neuroscience, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Vittorio Martinelli
- Neurology Unit, IRCCS San Raffaele Scientific Institute, Via Olgettina, 60, 20132, Milan, Italy
| | - Laura Ferrè
- Neurology Unit, IRCCS San Raffaele Scientific Institute, Via Olgettina, 60, 20132, Milan, Italy
- Neurorehabilitation Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Lucia Moiola
- Neurology Unit, IRCCS San Raffaele Scientific Institute, Via Olgettina, 60, 20132, Milan, Italy
| | - Massimo Filippi
- Neurology Unit, IRCCS San Raffaele Scientific Institute, Via Olgettina, 60, 20132, Milan, Italy.
- Neurorehabilitation Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy.
- Neuroimaging Research Unit, Division of Neuroscience, IRCCS San Raffaele Scientific Institute, Milan, Italy.
- Vita-Salute San Raffaele University, Milan, Italy.
- Neurophysiology Service, IRCCS San Raffaele Scientific Institute, Milan, Italy.
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Meuth SG, Bayas A, Kallmann B, Linker R, Rieckmann P, Wattjes MP, Mäurer M, Kleinschnitz C. Long-term management of multiple sclerosis patients treated with cladribine tablets beyond year 4. Expert Opin Pharmacother 2022; 23:1503-1510. [PMID: 35930260 DOI: 10.1080/14656566.2022.2106783] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
INTRODUCTION Oral cladribine is a highly effective pulsed selective immune reconstitution therapy licensed for relapsing multiple sclerosis (RMS) since 2017. A full treatment course comprises two treatment cycles given 1 year apart, followed by two treatment-free years. The management of cladribine-treated patients beyond year 4 needs to be addressed as patients have now passed the initial 4 years since European Medical Agency approval. AREAS COVERED A panel of neurologists and a neuroradiologist experienced in MS treatment/monitoring evaluated clinical trial data and real-world evidence and proposed recommendations for the management of cladribine-treated patients beyond year 4. EXPERT OPINION Continuous monitoring of disease activity during the treatment-free period is important. Subsequent management depends on the presence or absence of inflammatory disease activity, determined in the absence of consistent guidelines via practice-driven neurological decision criteria. Persisting or newly occurring inflammatory disease activity is an indication for further treatment, i.e. either re-initiation of cladribine or switching to another highly effective disease-modifying therapy. The decision to retreat or switch should be based on clinical and radiological evaluation considering disease course, treatment history, and safety aspects. In the absence of disease activity, either retreatment can be offered, or the treatment-free period can be extended under structured monitoring.
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Affiliation(s)
- Sven G Meuth
- Klinik für Neurologie des Universitätsklinikums Düsseldorf, Düsseldorf, Germany
| | - Antonios Bayas
- Klinik für Neurologie und Klinische Neurophysiologie, Medizinische Fakultät, Universität Augsburg, Augsburg, Germany
| | | | - Ralf Linker
- Klinik und Poliklinik für Neurologie, Universitätsklinikum Regensburg, Regensburg, Germany
| | - Peter Rieckmann
- Abteilung für Neurologie, Medical Park Loipl, Regensburg, Germany
| | - Mike P Wattjes
- Department of diagnostic and interventional Neuroradiology, Hannover Medical School, Hannover, Germany
| | - Mathias Mäurer
- Klinik für Neurologie, Juliusspital Würzburg Klinikum Würzburg Mitte gGmbH, Würzburg, Germany
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9
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de Stefano N, Barkhof F, Montalban X, Achiron A, Derfuss T, Chan A, Hodgkinson S, Prat A, Leocani L, Schmierer K, Sellebjerg F, Vermersch P, Wiendl H, Keller B, Roy S. Early Reduction of MRI Activity During 6 Months of Treatment With Cladribine Tablets for Highly Active Relapsing Multiple Sclerosis: MAGNIFY-MS. NEUROLOGY(R) NEUROIMMUNOLOGY & NEUROINFLAMMATION 2022; 9:9/4/e1187. [PMID: 35701185 PMCID: PMC9197134 DOI: 10.1212/nxi.0000000000001187] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Accepted: 04/19/2022] [Indexed: 11/29/2022]
Abstract
Background and Objectives The onset of action for high-efficacy immunotherapies in multiple sclerosis (MS) is an important parameter. This study (MAGNIFY-MS) evaluates the onset of action of cladribine tablets by observing changes in combined unique active (CUA) MRI lesion counts during the first 6 months of treatment in patients with highly active relapsing MS. Methods MRI was performed at screening, baseline, and at months 1, 2, 3, and 6 after initiating treatment with cladribine tablets 3.5 mg/kg. CUA lesion counts, defined as the sum of T1 gadolinium-enhancing (Gd+) lesions and new or enlarging active T2 lesions (without T1 Gd+), were compared between postbaseline and the baseline period and standardized to the period length and the number of MRIs performed. Results Included in this analysis were 270 patients who received ≥1 dose of cladribine tablets. After treatment initiation, significant reductions in mean CUA lesion counts were observed from month 1 onward compared with the baseline period (−1.193 between month 1 and month 6, −1.500 between month 2 and month 6, and −1.692 between month 3 and month 6; all p < 0.0001). Mean T1 Gd+ lesion counts were decreased from month 2 onward compared with baseline (−0.857 at month 2, −1.355 at month 3, and −1.449 at month 6; all p < 0.0001), whereas the proportion of patients without any CUA lesions increased from 52.0% between month 1 and month 6 to 80.5% between month 3 and month 6. Discussion Findings suggest an early onset of action for cladribine tablets, with an increasing reduction in active MRI lesions over time. Trial Registration Information NCT03364036; Date registered: December 06, 2017. Classification of Evidence Using frequent MRI assessments of the brain over the first 6 months of the MAGNIFY-MS study (NCT03364036), we aimed to determine the onset of action of cladribine tablets 3.5 mg/kg in adult patients with highly active relapsing MS. This study provides Class IV evidence that, in such patients, treatment with cladribine tablets is associated with an early onset of action with reductions in active MRI lesion counts from month 2 (day 60) onward, with an increasing reduction in such lesions over time.
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Affiliation(s)
- Nicola de Stefano
- From the Department of Medicine (N.S.), Surgery and Neuroscience, University of Siena, Siena, Italy; Department of Radiology (F.B.), VU University Medical Center, Amsterdam, The Netherlands; UCL Institute of Neurology (F.B.), London, UK; Department of Neurology-Neuroimmunology (X.M.), Centre d'Esclerosi Múltiple de Catalunya (Cemcat), Hospital Universitario Vall d'Hebron, Universitat Autonoma de Barcelona, Spain; Multiple Sclerosis Center (A.A.), Sheba Academic Medical Center, Ramat Gan, Israel; Department of Neurology (T.D.), University Hospital Basel, Switzerland; Department of Neurology (A.C.), Inselspital, Bern University Hospital, University of Bern, Switzerland; Ingham Institute for Applied Medical Research (S.H.), University of New South Wales Medicine, Sydney, Australia; Department of Neurosciences (A.P.), Université de Montréal, QC, Canada; Experimental Neurophysiology Unit (L.L.), Vita-Salute San Raffaele University, Milan, Italy; The Blizard Institute (K.S.), Centre for Neuroscience, Surgery & Trauma, Barts and The London School of Medicine & Dentistry, Queen Mary University of London, UK and; Clinical Board Medicine (Neuroscience) (K.S.), The Royal London Hospital, Barts Health NHS Trust, UK; Danish MS Center (F.S.), Department of Neurology, Copenhagen University Hospital-Rigshospitalet, Glostrup, Denmark; Department of Clinical Medicine (F.S.), University of Copenhagen, Denmark; Univ. Lille (P.V.), Inserm U1172 LilNCog, CHU Lille, FHU Precise, France; Department of Neurology (H.W.), Institute of Translational Neurology, University of Münster, Germany; the healthcare business of Merck KGaA (B.K.), Darmstadt, Germany; and Ares Trading S.A. (S.R.), Eysins, Switzerland (an affiliate of Merck KGaA, Darmstadt, Germany).
| | - Frederik Barkhof
- From the Department of Medicine (N.S.), Surgery and Neuroscience, University of Siena, Siena, Italy; Department of Radiology (F.B.), VU University Medical Center, Amsterdam, The Netherlands; UCL Institute of Neurology (F.B.), London, UK; Department of Neurology-Neuroimmunology (X.M.), Centre d'Esclerosi Múltiple de Catalunya (Cemcat), Hospital Universitario Vall d'Hebron, Universitat Autonoma de Barcelona, Spain; Multiple Sclerosis Center (A.A.), Sheba Academic Medical Center, Ramat Gan, Israel; Department of Neurology (T.D.), University Hospital Basel, Switzerland; Department of Neurology (A.C.), Inselspital, Bern University Hospital, University of Bern, Switzerland; Ingham Institute for Applied Medical Research (S.H.), University of New South Wales Medicine, Sydney, Australia; Department of Neurosciences (A.P.), Université de Montréal, QC, Canada; Experimental Neurophysiology Unit (L.L.), Vita-Salute San Raffaele University, Milan, Italy; The Blizard Institute (K.S.), Centre for Neuroscience, Surgery & Trauma, Barts and The London School of Medicine & Dentistry, Queen Mary University of London, UK and; Clinical Board Medicine (Neuroscience) (K.S.), The Royal London Hospital, Barts Health NHS Trust, UK; Danish MS Center (F.S.), Department of Neurology, Copenhagen University Hospital-Rigshospitalet, Glostrup, Denmark; Department of Clinical Medicine (F.S.), University of Copenhagen, Denmark; Univ. Lille (P.V.), Inserm U1172 LilNCog, CHU Lille, FHU Precise, France; Department of Neurology (H.W.), Institute of Translational Neurology, University of Münster, Germany; the healthcare business of Merck KGaA (B.K.), Darmstadt, Germany; and Ares Trading S.A. (S.R.), Eysins, Switzerland (an affiliate of Merck KGaA, Darmstadt, Germany)
| | - Xavier Montalban
- From the Department of Medicine (N.S.), Surgery and Neuroscience, University of Siena, Siena, Italy; Department of Radiology (F.B.), VU University Medical Center, Amsterdam, The Netherlands; UCL Institute of Neurology (F.B.), London, UK; Department of Neurology-Neuroimmunology (X.M.), Centre d'Esclerosi Múltiple de Catalunya (Cemcat), Hospital Universitario Vall d'Hebron, Universitat Autonoma de Barcelona, Spain; Multiple Sclerosis Center (A.A.), Sheba Academic Medical Center, Ramat Gan, Israel; Department of Neurology (T.D.), University Hospital Basel, Switzerland; Department of Neurology (A.C.), Inselspital, Bern University Hospital, University of Bern, Switzerland; Ingham Institute for Applied Medical Research (S.H.), University of New South Wales Medicine, Sydney, Australia; Department of Neurosciences (A.P.), Université de Montréal, QC, Canada; Experimental Neurophysiology Unit (L.L.), Vita-Salute San Raffaele University, Milan, Italy; The Blizard Institute (K.S.), Centre for Neuroscience, Surgery & Trauma, Barts and The London School of Medicine & Dentistry, Queen Mary University of London, UK and; Clinical Board Medicine (Neuroscience) (K.S.), The Royal London Hospital, Barts Health NHS Trust, UK; Danish MS Center (F.S.), Department of Neurology, Copenhagen University Hospital-Rigshospitalet, Glostrup, Denmark; Department of Clinical Medicine (F.S.), University of Copenhagen, Denmark; Univ. Lille (P.V.), Inserm U1172 LilNCog, CHU Lille, FHU Precise, France; Department of Neurology (H.W.), Institute of Translational Neurology, University of Münster, Germany; the healthcare business of Merck KGaA (B.K.), Darmstadt, Germany; and Ares Trading S.A. (S.R.), Eysins, Switzerland (an affiliate of Merck KGaA, Darmstadt, Germany)
| | - Anat Achiron
- From the Department of Medicine (N.S.), Surgery and Neuroscience, University of Siena, Siena, Italy; Department of Radiology (F.B.), VU University Medical Center, Amsterdam, The Netherlands; UCL Institute of Neurology (F.B.), London, UK; Department of Neurology-Neuroimmunology (X.M.), Centre d'Esclerosi Múltiple de Catalunya (Cemcat), Hospital Universitario Vall d'Hebron, Universitat Autonoma de Barcelona, Spain; Multiple Sclerosis Center (A.A.), Sheba Academic Medical Center, Ramat Gan, Israel; Department of Neurology (T.D.), University Hospital Basel, Switzerland; Department of Neurology (A.C.), Inselspital, Bern University Hospital, University of Bern, Switzerland; Ingham Institute for Applied Medical Research (S.H.), University of New South Wales Medicine, Sydney, Australia; Department of Neurosciences (A.P.), Université de Montréal, QC, Canada; Experimental Neurophysiology Unit (L.L.), Vita-Salute San Raffaele University, Milan, Italy; The Blizard Institute (K.S.), Centre for Neuroscience, Surgery & Trauma, Barts and The London School of Medicine & Dentistry, Queen Mary University of London, UK and; Clinical Board Medicine (Neuroscience) (K.S.), The Royal London Hospital, Barts Health NHS Trust, UK; Danish MS Center (F.S.), Department of Neurology, Copenhagen University Hospital-Rigshospitalet, Glostrup, Denmark; Department of Clinical Medicine (F.S.), University of Copenhagen, Denmark; Univ. Lille (P.V.), Inserm U1172 LilNCog, CHU Lille, FHU Precise, France; Department of Neurology (H.W.), Institute of Translational Neurology, University of Münster, Germany; the healthcare business of Merck KGaA (B.K.), Darmstadt, Germany; and Ares Trading S.A. (S.R.), Eysins, Switzerland (an affiliate of Merck KGaA, Darmstadt, Germany)
| | - Tobias Derfuss
- From the Department of Medicine (N.S.), Surgery and Neuroscience, University of Siena, Siena, Italy; Department of Radiology (F.B.), VU University Medical Center, Amsterdam, The Netherlands; UCL Institute of Neurology (F.B.), London, UK; Department of Neurology-Neuroimmunology (X.M.), Centre d'Esclerosi Múltiple de Catalunya (Cemcat), Hospital Universitario Vall d'Hebron, Universitat Autonoma de Barcelona, Spain; Multiple Sclerosis Center (A.A.), Sheba Academic Medical Center, Ramat Gan, Israel; Department of Neurology (T.D.), University Hospital Basel, Switzerland; Department of Neurology (A.C.), Inselspital, Bern University Hospital, University of Bern, Switzerland; Ingham Institute for Applied Medical Research (S.H.), University of New South Wales Medicine, Sydney, Australia; Department of Neurosciences (A.P.), Université de Montréal, QC, Canada; Experimental Neurophysiology Unit (L.L.), Vita-Salute San Raffaele University, Milan, Italy; The Blizard Institute (K.S.), Centre for Neuroscience, Surgery & Trauma, Barts and The London School of Medicine & Dentistry, Queen Mary University of London, UK and; Clinical Board Medicine (Neuroscience) (K.S.), The Royal London Hospital, Barts Health NHS Trust, UK; Danish MS Center (F.S.), Department of Neurology, Copenhagen University Hospital-Rigshospitalet, Glostrup, Denmark; Department of Clinical Medicine (F.S.), University of Copenhagen, Denmark; Univ. Lille (P.V.), Inserm U1172 LilNCog, CHU Lille, FHU Precise, France; Department of Neurology (H.W.), Institute of Translational Neurology, University of Münster, Germany; the healthcare business of Merck KGaA (B.K.), Darmstadt, Germany; and Ares Trading S.A. (S.R.), Eysins, Switzerland (an affiliate of Merck KGaA, Darmstadt, Germany)
| | - Andrew Chan
- From the Department of Medicine (N.S.), Surgery and Neuroscience, University of Siena, Siena, Italy; Department of Radiology (F.B.), VU University Medical Center, Amsterdam, The Netherlands; UCL Institute of Neurology (F.B.), London, UK; Department of Neurology-Neuroimmunology (X.M.), Centre d'Esclerosi Múltiple de Catalunya (Cemcat), Hospital Universitario Vall d'Hebron, Universitat Autonoma de Barcelona, Spain; Multiple Sclerosis Center (A.A.), Sheba Academic Medical Center, Ramat Gan, Israel; Department of Neurology (T.D.), University Hospital Basel, Switzerland; Department of Neurology (A.C.), Inselspital, Bern University Hospital, University of Bern, Switzerland; Ingham Institute for Applied Medical Research (S.H.), University of New South Wales Medicine, Sydney, Australia; Department of Neurosciences (A.P.), Université de Montréal, QC, Canada; Experimental Neurophysiology Unit (L.L.), Vita-Salute San Raffaele University, Milan, Italy; The Blizard Institute (K.S.), Centre for Neuroscience, Surgery & Trauma, Barts and The London School of Medicine & Dentistry, Queen Mary University of London, UK and; Clinical Board Medicine (Neuroscience) (K.S.), The Royal London Hospital, Barts Health NHS Trust, UK; Danish MS Center (F.S.), Department of Neurology, Copenhagen University Hospital-Rigshospitalet, Glostrup, Denmark; Department of Clinical Medicine (F.S.), University of Copenhagen, Denmark; Univ. Lille (P.V.), Inserm U1172 LilNCog, CHU Lille, FHU Precise, France; Department of Neurology (H.W.), Institute of Translational Neurology, University of Münster, Germany; the healthcare business of Merck KGaA (B.K.), Darmstadt, Germany; and Ares Trading S.A. (S.R.), Eysins, Switzerland (an affiliate of Merck KGaA, Darmstadt, Germany)
| | - Suzanne Hodgkinson
- From the Department of Medicine (N.S.), Surgery and Neuroscience, University of Siena, Siena, Italy; Department of Radiology (F.B.), VU University Medical Center, Amsterdam, The Netherlands; UCL Institute of Neurology (F.B.), London, UK; Department of Neurology-Neuroimmunology (X.M.), Centre d'Esclerosi Múltiple de Catalunya (Cemcat), Hospital Universitario Vall d'Hebron, Universitat Autonoma de Barcelona, Spain; Multiple Sclerosis Center (A.A.), Sheba Academic Medical Center, Ramat Gan, Israel; Department of Neurology (T.D.), University Hospital Basel, Switzerland; Department of Neurology (A.C.), Inselspital, Bern University Hospital, University of Bern, Switzerland; Ingham Institute for Applied Medical Research (S.H.), University of New South Wales Medicine, Sydney, Australia; Department of Neurosciences (A.P.), Université de Montréal, QC, Canada; Experimental Neurophysiology Unit (L.L.), Vita-Salute San Raffaele University, Milan, Italy; The Blizard Institute (K.S.), Centre for Neuroscience, Surgery & Trauma, Barts and The London School of Medicine & Dentistry, Queen Mary University of London, UK and; Clinical Board Medicine (Neuroscience) (K.S.), The Royal London Hospital, Barts Health NHS Trust, UK; Danish MS Center (F.S.), Department of Neurology, Copenhagen University Hospital-Rigshospitalet, Glostrup, Denmark; Department of Clinical Medicine (F.S.), University of Copenhagen, Denmark; Univ. Lille (P.V.), Inserm U1172 LilNCog, CHU Lille, FHU Precise, France; Department of Neurology (H.W.), Institute of Translational Neurology, University of Münster, Germany; the healthcare business of Merck KGaA (B.K.), Darmstadt, Germany; and Ares Trading S.A. (S.R.), Eysins, Switzerland (an affiliate of Merck KGaA, Darmstadt, Germany)
| | - Alexandre Prat
- From the Department of Medicine (N.S.), Surgery and Neuroscience, University of Siena, Siena, Italy; Department of Radiology (F.B.), VU University Medical Center, Amsterdam, The Netherlands; UCL Institute of Neurology (F.B.), London, UK; Department of Neurology-Neuroimmunology (X.M.), Centre d'Esclerosi Múltiple de Catalunya (Cemcat), Hospital Universitario Vall d'Hebron, Universitat Autonoma de Barcelona, Spain; Multiple Sclerosis Center (A.A.), Sheba Academic Medical Center, Ramat Gan, Israel; Department of Neurology (T.D.), University Hospital Basel, Switzerland; Department of Neurology (A.C.), Inselspital, Bern University Hospital, University of Bern, Switzerland; Ingham Institute for Applied Medical Research (S.H.), University of New South Wales Medicine, Sydney, Australia; Department of Neurosciences (A.P.), Université de Montréal, QC, Canada; Experimental Neurophysiology Unit (L.L.), Vita-Salute San Raffaele University, Milan, Italy; The Blizard Institute (K.S.), Centre for Neuroscience, Surgery & Trauma, Barts and The London School of Medicine & Dentistry, Queen Mary University of London, UK and; Clinical Board Medicine (Neuroscience) (K.S.), The Royal London Hospital, Barts Health NHS Trust, UK; Danish MS Center (F.S.), Department of Neurology, Copenhagen University Hospital-Rigshospitalet, Glostrup, Denmark; Department of Clinical Medicine (F.S.), University of Copenhagen, Denmark; Univ. Lille (P.V.), Inserm U1172 LilNCog, CHU Lille, FHU Precise, France; Department of Neurology (H.W.), Institute of Translational Neurology, University of Münster, Germany; the healthcare business of Merck KGaA (B.K.), Darmstadt, Germany; and Ares Trading S.A. (S.R.), Eysins, Switzerland (an affiliate of Merck KGaA, Darmstadt, Germany)
| | - Letizia Leocani
- From the Department of Medicine (N.S.), Surgery and Neuroscience, University of Siena, Siena, Italy; Department of Radiology (F.B.), VU University Medical Center, Amsterdam, The Netherlands; UCL Institute of Neurology (F.B.), London, UK; Department of Neurology-Neuroimmunology (X.M.), Centre d'Esclerosi Múltiple de Catalunya (Cemcat), Hospital Universitario Vall d'Hebron, Universitat Autonoma de Barcelona, Spain; Multiple Sclerosis Center (A.A.), Sheba Academic Medical Center, Ramat Gan, Israel; Department of Neurology (T.D.), University Hospital Basel, Switzerland; Department of Neurology (A.C.), Inselspital, Bern University Hospital, University of Bern, Switzerland; Ingham Institute for Applied Medical Research (S.H.), University of New South Wales Medicine, Sydney, Australia; Department of Neurosciences (A.P.), Université de Montréal, QC, Canada; Experimental Neurophysiology Unit (L.L.), Vita-Salute San Raffaele University, Milan, Italy; The Blizard Institute (K.S.), Centre for Neuroscience, Surgery & Trauma, Barts and The London School of Medicine & Dentistry, Queen Mary University of London, UK and; Clinical Board Medicine (Neuroscience) (K.S.), The Royal London Hospital, Barts Health NHS Trust, UK; Danish MS Center (F.S.), Department of Neurology, Copenhagen University Hospital-Rigshospitalet, Glostrup, Denmark; Department of Clinical Medicine (F.S.), University of Copenhagen, Denmark; Univ. Lille (P.V.), Inserm U1172 LilNCog, CHU Lille, FHU Precise, France; Department of Neurology (H.W.), Institute of Translational Neurology, University of Münster, Germany; the healthcare business of Merck KGaA (B.K.), Darmstadt, Germany; and Ares Trading S.A. (S.R.), Eysins, Switzerland (an affiliate of Merck KGaA, Darmstadt, Germany)
| | - Klaus Schmierer
- From the Department of Medicine (N.S.), Surgery and Neuroscience, University of Siena, Siena, Italy; Department of Radiology (F.B.), VU University Medical Center, Amsterdam, The Netherlands; UCL Institute of Neurology (F.B.), London, UK; Department of Neurology-Neuroimmunology (X.M.), Centre d'Esclerosi Múltiple de Catalunya (Cemcat), Hospital Universitario Vall d'Hebron, Universitat Autonoma de Barcelona, Spain; Multiple Sclerosis Center (A.A.), Sheba Academic Medical Center, Ramat Gan, Israel; Department of Neurology (T.D.), University Hospital Basel, Switzerland; Department of Neurology (A.C.), Inselspital, Bern University Hospital, University of Bern, Switzerland; Ingham Institute for Applied Medical Research (S.H.), University of New South Wales Medicine, Sydney, Australia; Department of Neurosciences (A.P.), Université de Montréal, QC, Canada; Experimental Neurophysiology Unit (L.L.), Vita-Salute San Raffaele University, Milan, Italy; The Blizard Institute (K.S.), Centre for Neuroscience, Surgery & Trauma, Barts and The London School of Medicine & Dentistry, Queen Mary University of London, UK and; Clinical Board Medicine (Neuroscience) (K.S.), The Royal London Hospital, Barts Health NHS Trust, UK; Danish MS Center (F.S.), Department of Neurology, Copenhagen University Hospital-Rigshospitalet, Glostrup, Denmark; Department of Clinical Medicine (F.S.), University of Copenhagen, Denmark; Univ. Lille (P.V.), Inserm U1172 LilNCog, CHU Lille, FHU Precise, France; Department of Neurology (H.W.), Institute of Translational Neurology, University of Münster, Germany; the healthcare business of Merck KGaA (B.K.), Darmstadt, Germany; and Ares Trading S.A. (S.R.), Eysins, Switzerland (an affiliate of Merck KGaA, Darmstadt, Germany)
| | - Finn Sellebjerg
- From the Department of Medicine (N.S.), Surgery and Neuroscience, University of Siena, Siena, Italy; Department of Radiology (F.B.), VU University Medical Center, Amsterdam, The Netherlands; UCL Institute of Neurology (F.B.), London, UK; Department of Neurology-Neuroimmunology (X.M.), Centre d'Esclerosi Múltiple de Catalunya (Cemcat), Hospital Universitario Vall d'Hebron, Universitat Autonoma de Barcelona, Spain; Multiple Sclerosis Center (A.A.), Sheba Academic Medical Center, Ramat Gan, Israel; Department of Neurology (T.D.), University Hospital Basel, Switzerland; Department of Neurology (A.C.), Inselspital, Bern University Hospital, University of Bern, Switzerland; Ingham Institute for Applied Medical Research (S.H.), University of New South Wales Medicine, Sydney, Australia; Department of Neurosciences (A.P.), Université de Montréal, QC, Canada; Experimental Neurophysiology Unit (L.L.), Vita-Salute San Raffaele University, Milan, Italy; The Blizard Institute (K.S.), Centre for Neuroscience, Surgery & Trauma, Barts and The London School of Medicine & Dentistry, Queen Mary University of London, UK and; Clinical Board Medicine (Neuroscience) (K.S.), The Royal London Hospital, Barts Health NHS Trust, UK; Danish MS Center (F.S.), Department of Neurology, Copenhagen University Hospital-Rigshospitalet, Glostrup, Denmark; Department of Clinical Medicine (F.S.), University of Copenhagen, Denmark; Univ. Lille (P.V.), Inserm U1172 LilNCog, CHU Lille, FHU Precise, France; Department of Neurology (H.W.), Institute of Translational Neurology, University of Münster, Germany; the healthcare business of Merck KGaA (B.K.), Darmstadt, Germany; and Ares Trading S.A. (S.R.), Eysins, Switzerland (an affiliate of Merck KGaA, Darmstadt, Germany)
| | - Patrick Vermersch
- From the Department of Medicine (N.S.), Surgery and Neuroscience, University of Siena, Siena, Italy; Department of Radiology (F.B.), VU University Medical Center, Amsterdam, The Netherlands; UCL Institute of Neurology (F.B.), London, UK; Department of Neurology-Neuroimmunology (X.M.), Centre d'Esclerosi Múltiple de Catalunya (Cemcat), Hospital Universitario Vall d'Hebron, Universitat Autonoma de Barcelona, Spain; Multiple Sclerosis Center (A.A.), Sheba Academic Medical Center, Ramat Gan, Israel; Department of Neurology (T.D.), University Hospital Basel, Switzerland; Department of Neurology (A.C.), Inselspital, Bern University Hospital, University of Bern, Switzerland; Ingham Institute for Applied Medical Research (S.H.), University of New South Wales Medicine, Sydney, Australia; Department of Neurosciences (A.P.), Université de Montréal, QC, Canada; Experimental Neurophysiology Unit (L.L.), Vita-Salute San Raffaele University, Milan, Italy; The Blizard Institute (K.S.), Centre for Neuroscience, Surgery & Trauma, Barts and The London School of Medicine & Dentistry, Queen Mary University of London, UK and; Clinical Board Medicine (Neuroscience) (K.S.), The Royal London Hospital, Barts Health NHS Trust, UK; Danish MS Center (F.S.), Department of Neurology, Copenhagen University Hospital-Rigshospitalet, Glostrup, Denmark; Department of Clinical Medicine (F.S.), University of Copenhagen, Denmark; Univ. Lille (P.V.), Inserm U1172 LilNCog, CHU Lille, FHU Precise, France; Department of Neurology (H.W.), Institute of Translational Neurology, University of Münster, Germany; the healthcare business of Merck KGaA (B.K.), Darmstadt, Germany; and Ares Trading S.A. (S.R.), Eysins, Switzerland (an affiliate of Merck KGaA, Darmstadt, Germany)
| | - Heinz Wiendl
- From the Department of Medicine (N.S.), Surgery and Neuroscience, University of Siena, Siena, Italy; Department of Radiology (F.B.), VU University Medical Center, Amsterdam, The Netherlands; UCL Institute of Neurology (F.B.), London, UK; Department of Neurology-Neuroimmunology (X.M.), Centre d'Esclerosi Múltiple de Catalunya (Cemcat), Hospital Universitario Vall d'Hebron, Universitat Autonoma de Barcelona, Spain; Multiple Sclerosis Center (A.A.), Sheba Academic Medical Center, Ramat Gan, Israel; Department of Neurology (T.D.), University Hospital Basel, Switzerland; Department of Neurology (A.C.), Inselspital, Bern University Hospital, University of Bern, Switzerland; Ingham Institute for Applied Medical Research (S.H.), University of New South Wales Medicine, Sydney, Australia; Department of Neurosciences (A.P.), Université de Montréal, QC, Canada; Experimental Neurophysiology Unit (L.L.), Vita-Salute San Raffaele University, Milan, Italy; The Blizard Institute (K.S.), Centre for Neuroscience, Surgery & Trauma, Barts and The London School of Medicine & Dentistry, Queen Mary University of London, UK and; Clinical Board Medicine (Neuroscience) (K.S.), The Royal London Hospital, Barts Health NHS Trust, UK; Danish MS Center (F.S.), Department of Neurology, Copenhagen University Hospital-Rigshospitalet, Glostrup, Denmark; Department of Clinical Medicine (F.S.), University of Copenhagen, Denmark; Univ. Lille (P.V.), Inserm U1172 LilNCog, CHU Lille, FHU Precise, France; Department of Neurology (H.W.), Institute of Translational Neurology, University of Münster, Germany; the healthcare business of Merck KGaA (B.K.), Darmstadt, Germany; and Ares Trading S.A. (S.R.), Eysins, Switzerland (an affiliate of Merck KGaA, Darmstadt, Germany)
| | - Birgit Keller
- From the Department of Medicine (N.S.), Surgery and Neuroscience, University of Siena, Siena, Italy; Department of Radiology (F.B.), VU University Medical Center, Amsterdam, The Netherlands; UCL Institute of Neurology (F.B.), London, UK; Department of Neurology-Neuroimmunology (X.M.), Centre d'Esclerosi Múltiple de Catalunya (Cemcat), Hospital Universitario Vall d'Hebron, Universitat Autonoma de Barcelona, Spain; Multiple Sclerosis Center (A.A.), Sheba Academic Medical Center, Ramat Gan, Israel; Department of Neurology (T.D.), University Hospital Basel, Switzerland; Department of Neurology (A.C.), Inselspital, Bern University Hospital, University of Bern, Switzerland; Ingham Institute for Applied Medical Research (S.H.), University of New South Wales Medicine, Sydney, Australia; Department of Neurosciences (A.P.), Université de Montréal, QC, Canada; Experimental Neurophysiology Unit (L.L.), Vita-Salute San Raffaele University, Milan, Italy; The Blizard Institute (K.S.), Centre for Neuroscience, Surgery & Trauma, Barts and The London School of Medicine & Dentistry, Queen Mary University of London, UK and; Clinical Board Medicine (Neuroscience) (K.S.), The Royal London Hospital, Barts Health NHS Trust, UK; Danish MS Center (F.S.), Department of Neurology, Copenhagen University Hospital-Rigshospitalet, Glostrup, Denmark; Department of Clinical Medicine (F.S.), University of Copenhagen, Denmark; Univ. Lille (P.V.), Inserm U1172 LilNCog, CHU Lille, FHU Precise, France; Department of Neurology (H.W.), Institute of Translational Neurology, University of Münster, Germany; the healthcare business of Merck KGaA (B.K.), Darmstadt, Germany; and Ares Trading S.A. (S.R.), Eysins, Switzerland (an affiliate of Merck KGaA, Darmstadt, Germany)
| | - Sanjeev Roy
- From the Department of Medicine (N.S.), Surgery and Neuroscience, University of Siena, Siena, Italy; Department of Radiology (F.B.), VU University Medical Center, Amsterdam, The Netherlands; UCL Institute of Neurology (F.B.), London, UK; Department of Neurology-Neuroimmunology (X.M.), Centre d'Esclerosi Múltiple de Catalunya (Cemcat), Hospital Universitario Vall d'Hebron, Universitat Autonoma de Barcelona, Spain; Multiple Sclerosis Center (A.A.), Sheba Academic Medical Center, Ramat Gan, Israel; Department of Neurology (T.D.), University Hospital Basel, Switzerland; Department of Neurology (A.C.), Inselspital, Bern University Hospital, University of Bern, Switzerland; Ingham Institute for Applied Medical Research (S.H.), University of New South Wales Medicine, Sydney, Australia; Department of Neurosciences (A.P.), Université de Montréal, QC, Canada; Experimental Neurophysiology Unit (L.L.), Vita-Salute San Raffaele University, Milan, Italy; The Blizard Institute (K.S.), Centre for Neuroscience, Surgery & Trauma, Barts and The London School of Medicine & Dentistry, Queen Mary University of London, UK and; Clinical Board Medicine (Neuroscience) (K.S.), The Royal London Hospital, Barts Health NHS Trust, UK; Danish MS Center (F.S.), Department of Neurology, Copenhagen University Hospital-Rigshospitalet, Glostrup, Denmark; Department of Clinical Medicine (F.S.), University of Copenhagen, Denmark; Univ. Lille (P.V.), Inserm U1172 LilNCog, CHU Lille, FHU Precise, France; Department of Neurology (H.W.), Institute of Translational Neurology, University of Münster, Germany; the healthcare business of Merck KGaA (B.K.), Darmstadt, Germany; and Ares Trading S.A. (S.R.), Eysins, Switzerland (an affiliate of Merck KGaA, Darmstadt, Germany)
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10
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Basu S, Munafo A, Ben‐Amor A, Roy S, Girard P, Terranova N. Predicting disease activity in patients with multiple sclerosis: An explainable machine‐learning approach in the Mavenclad trials. CPT Pharmacometrics Syst Pharmacol 2022; 11:843-853. [PMID: 35521742 PMCID: PMC9286719 DOI: 10.1002/psp4.12796] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 02/04/2022] [Accepted: 03/09/2022] [Indexed: 11/09/2022] Open
Abstract
Multiple sclerosis (MS) is among the most common autoimmune disabling neurological conditions of young adults and affects more than 2.3 million people worldwide. Predicting future disease activity in patients with MS based on their pathophysiology and current treatment is pivotal to orientate future treatment. In this respect, we used machine learning to predict disease activity status in patients with MS and identify the most predictive covariates of this activity. The analysis is conducted on a pooled population of 1935 patients enrolled in three cladribine tablets clinical trials with different outcomes: relapsing–remitting MS (from CLARITY and CLARITY‐Extension trials) and patients experiencing a first demyelinating event (from the ORACLE‐MS trial). We applied gradient‐boosting (from XgBoost library) and Shapley Additive Explanations (SHAP) methods to identify patients' covariates that predict disease activity 3 and 6 months before their clinical observation, including patient baseline characteristics, longitudinal magnetic resonance imaging readouts, and neurological and laboratory measures. The most predictive covariates for early identification of disease activity in patients were found to be treatment duration, higher number of new combined unique active lesion count, higher number of new T1 hypointense black holes, and higher age‐related MS severity score. The outcome of this analysis improves our understanding of the mechanism of onset of disease activity in patients with MS by allowing their early identification in clinical settings and prompting preventive measures, therapeutic interventions, or more frequent patient monitoring.
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Affiliation(s)
- Sreetama Basu
- Merck Institute for Pharmacometrics, Merck Serono S.A. (an affiliate of Merck KGaA, Darmstadt, Germany) Lausanne Switzerland
| | - Alain Munafo
- Merck Institute for Pharmacometrics, Merck Serono S.A. (an affiliate of Merck KGaA, Darmstadt, Germany) Lausanne Switzerland
| | | | - Sanjeev Roy
- Ares Trading SA (an affiliate of Merck KGaA, Darmstadt, Germany) Eysins Switzerland
| | - Pascal Girard
- Merck Institute for Pharmacometrics, Merck Serono S.A. (an affiliate of Merck KGaA, Darmstadt, Germany) Lausanne Switzerland
| | - Nadia Terranova
- Merck Institute for Pharmacometrics, Merck Serono S.A. (an affiliate of Merck KGaA, Darmstadt, Germany) Lausanne Switzerland
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11
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Predictors of Cladribine Effectiveness and Safety in Multiple Sclerosis: A Real-World, Multicenter, 2-Year Follow-Up Study. Neurol Ther 2022; 11:1193-1208. [PMID: 35653061 PMCID: PMC9338179 DOI: 10.1007/s40120-022-00364-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Accepted: 05/10/2022] [Indexed: 11/17/2022] Open
Abstract
Introduction Cladribine administration has been approved for the treatment of relapsing–remitting multiple sclerosis (MS) in 2017; thus, data on cladribine in a real-world setting are still emerging. Methods We report on cladribine effectiveness, safety profile, and treatment response predictors in 243 patients with MS followed at eight tertiary MS centers. Study outcomes were: (1) No Evidence of Disease Activity-3 (NEDA-3) status and its components (absence of clinical relapses, MRI activity, and sustained disability worsening); (2) development of grade III/IV lymphopenia. The relationship between baseline features and the selected outcomes was tested via multivariate logistic models. Results Of the 243 subjects included in the study (66.5% female, age 34.2 ± 10 years, disease duration 6.6 ± 9.6 years), 64% showed NEDA-3 at median follow-up (22 months). Patients with higher number of previous treatments had lower probability to retain NEDA-3 [odds ratio (OR) 0.64, 95% confidence interval (CI) 0.41–0.98, p = 0.04] and were more prone to experience clinical relapses (OR 1.6, 95% CI 1–2.6, p = 0.04). The presence of active lesions at baseline was associated with follow-up magnetic resonance imaging (MRI) activity (OR 1.92, 95% CI 1.04–3.55, p = 0.04). Patients with higher rate of relapses in the year prior to cladribine start were at higher risk of developing sustained disability worsening (OR 2.95% CI 1–4.2, p = 0.04). Lymphopenia grade III/IV over the follow-up was associated with baseline lymphocyte count (OR 0.998, 95% CI 0.997–0.999, p = 0.01). Conclusion In this large cohort, we confirm previous data about cladribine effectiveness on disease activity and disability worsening and provide information on response predictors that might inform therapeutic choices.
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12
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2-Chlorodeoxyadenosine (Cladribine) preferentially inhibits the biological activity of microglial cells. Int Immunopharmacol 2022; 105:108571. [DOI: 10.1016/j.intimp.2022.108571] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 01/06/2022] [Accepted: 01/21/2022] [Indexed: 02/05/2023]
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13
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Casanova B, Quintanilla-Bordás C, Gascón F. Escalation vs. Early Intense Therapy in Multiple Sclerosis. J Pers Med 2022; 12:119. [PMID: 35055434 PMCID: PMC8778390 DOI: 10.3390/jpm12010119] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 12/28/2021] [Accepted: 01/01/2022] [Indexed: 02/01/2023] Open
Abstract
The treatment strategy of multiple sclerosis (MS) is a highly controversial debate. Currently, there are up to 19 drugs approved. However, there is no clear evidence to guide fundamental decisions such as what treatment should be chosen in first place, when treatment failure or suboptimal response should be considered, or what treatment should be considered in these cases. The "escalation strategy" consists of starting treatment with drugs of low side-effect profile and low efficacy, and "escalating" to drugs of higher efficacy-with more potential side-effects-if necessary. This strategy has prevailed over the years. However, the evidence supporting this strategy is based on short-term studies, in hope that the benefits will stand in the long term. These studies usually do not consider the heterogeneity of the disease and the limited effect that relapses have on the long-term. On the other hand, "early intense therapy" strategy refers to starting treatment with drugs of higher efficacy from the beginning, despite having a less favorable side-effect profile. This approach takes advantage of the so-called "window of opportunity" in hope to maximize the clinical benefits in the long-term. At present, the debate remains open. In this review, we will critically review both strategies. We provide a summary of the current evidence for each strategy without aiming to reach a definite conclusion.
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Affiliation(s)
- Bonaventura Casanova
- Unitat de Neuroimmunologia, Hospital Universitari i Politècnic La Fe. València, la Universitat de València, 46026 Valencia, Spain;
| | - Carlos Quintanilla-Bordás
- Unitat de Neuroimmunologia, Hospital Universitari i Politècnic La Fe. València, la Universitat de València, 46026 Valencia, Spain;
| | - Francisco Gascón
- Unitat de Neuroimmunologia, Hospital Clínic Universitari de València, 46010 Valencia, Spain;
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14
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Immunomodulatory Effects Associated with Cladribine Treatment. Cells 2021; 10:cells10123488. [PMID: 34943995 PMCID: PMC8700070 DOI: 10.3390/cells10123488] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 12/03/2021] [Accepted: 12/07/2021] [Indexed: 12/29/2022] Open
Abstract
Cladribine is a synthetic deoxyadenosine analogue with demonstrated efficacy in patients with relapsing-remitting multiple sclerosis (MS). The main mechanism of action described for cladribine is the induction of a cytotoxic effect on lymphocytes, leading to a long-term depletion of peripheral T and B cells. Besides lymphocyte toxicity, the mode of action may include immunomodulatory mechanisms affecting other cells of the immune system. In order to induce its beneficial effects, cladribine is phosphorylated inside the cell by deoxycytidine kinase (DCK) to its active form. However, the mechanism of action of cladribine may also include immunomodulatory pathways independent of DCK activation. This in vitro study was designed to explore the impact of cladribine on peripheral blood mononuclear cells (PBMC) subsets, and to assess whether the immunomodulatory mechanisms induced by cladribine depend on the activation of the molecule. To this end, we obtained PBMCs from healthy donors and MS patients and performed proliferation, apoptosis and activation assays with clinically relevant concentrations of cladribine in DCK-dependent and -independent conditions. We also evaluated the effect of cladribine on myeloid lineage-derived cells, monocytes and dendritic cells (DCs). Cladribine decreased proliferation and increased apoptosis of lymphocyte subsets after prodrug activation via DCK. In contrast, cladribine induced a decrease in immune cell activation through both DCK-dependent and -independent pathways (not requiring prodrug activation). Regarding monocytes and DCs, cladribine induced cytotoxicity and impaired the activation of classical monocytes, but had no effect on DC maturation. Taken together, these data indicate that cladribine, in addition to its cytotoxic function, can mediate immunomodulation in different immune cell populations, by regulating their proliferation, maturation and activation.
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15
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Inshasi JS, Alfahad S, Alsaadi T, Hassan A, Zein T, Mifsud VA, Nouri SI, Shakra M, Shatila AO, Szolics M, Thakre M, Kumar A, Boshra A. Position of Cladribine Tablets in the Management of Relapsing-Remitting Multiple Sclerosis: An Expert Narrative Review From the United Arab Emirates. Neurol Ther 2021; 10:435-454. [PMID: 33891277 PMCID: PMC8062252 DOI: 10.1007/s40120-021-00243-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Accepted: 03/16/2021] [Indexed: 11/06/2022] Open
Abstract
The use of immune reconstitution therapies (IRT) in patients with relapsing-remitting multiple sclerosis (RRMS) is associated with a prolonged period of freedom from relapses in the absence of continuously applied therapy. Cladribine tablets is a disease-modifying treatment (DMT) indicated for highly active relapsing multiple sclerosis (MS) as defined by clinical or imaging features. Treatment with cladribine tablets is effective and well tolerated in patients with active MS disease and have a low burden of monitoring during and following treatment. In this article, an expert group of specialist neurologists involved in the care of patients with MS in the United Arab Emirates provides their consensus recommendations for the practical use of cladribine tablets according to the presenting phenotype of patients with RRMS. The IRT approach may be especially useful for patients with highly active MS insufficiently responsive to treatment with a first-line DMT, those who are likely to adhere poorly to a continuous therapeutic regimen, treatment-naïve patients with high disease activity at first presentation, or patients planning a family who are prepared to wait until at least 6 months after the end of treatment. Information available to date does not suggest an adverse interaction between cladribine tablets and COVID-19 infection. Data are unavailable at this time regarding the efficacy of COVID-19 vaccination in patients treated with cladribine tablets. Robust immunological responses to COVID-19 infection or to other vaccines have been observed in patients receiving this treatment, and treatment with cladribine tablets per se should not represent a barrier to this vaccination.
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Affiliation(s)
- Jihad S Inshasi
- Neurology Department, Rashid Hospital and Dubai Medical College, Dubai Health Authority (DHA), PO Box 4545, Dubai, UAE.
| | - Sarmed Alfahad
- Neurology Department, Neurospinal Hospital, Baghdad Medical College, Dubai, UAE
| | - Taoufik Alsaadi
- Neurology Department, American Center for Psychiatry and Neurology, Dubai, UAE
| | - Ali Hassan
- Neurology Medical Clinic, Tawam Hospital, Abu Dhabi, UAE
| | - Tayseer Zein
- Neurology Department, AlQassami Hospital, Sharjah, UAE
| | | | | | - Mustafa Shakra
- Department of Neurology, Sheikh Khalifa Medical City, Abu Dhabi, UAE
| | | | - Miklos Szolics
- Neurology Medical Clinic, Tawam Hospital, Abu Dhabi, UAE
| | - Mona Thakre
- Neurology Department, Al Zahra Hospital, Dubai, UAE
| | - Ajit Kumar
- Neurology Department, NMC Specialty Hospital, Al Nahda, Dubai, UAE
| | - Amir Boshra
- Merck Serono Middle East FZ Ltd, Dubai, UAE
- Merck KgaA, Darmstadt, Germany
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16
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Maltby VE, Lea RA, Monif M, Fabis-Pedrini MJ, Buzzard K, Kalincik T, Kermode AG, Taylor B, Hodgkinson S, McCombe P, Butzkueven H, Barnett M, Lechner-Scott J. Efficacy of Cladribine Tablets as a Treatment for People With Multiple Sclerosis: Protocol for the CLOBAS Study (Cladribine, a Multicenter, Long-term Efficacy and Biomarker Australian Study). JMIR Res Protoc 2021; 10:e24969. [PMID: 34665152 PMCID: PMC8564661 DOI: 10.2196/24969] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 05/04/2021] [Accepted: 05/28/2021] [Indexed: 01/26/2023] Open
Abstract
Background Cladribine tablets (marketed as Mavenclad) are a new oral therapy, which has recently been listed on the pharmaceutical benefits scheme in Australia for the treatment of relapsing multiple sclerosis (MS). The current dosing schedule is for 2 courses given a year apart, which has been shown to be effective for treatment of MS for up to 4 years in 75% of patients (based on annualized relapse rate). However, the reinitiation of therapy after year 4 has not been studied. Objective This study aims to evaluate the safety and efficacy of cladribine tablets over a 6-year period, according to no evidence of disease activity 3. Methods This will be a multicenter, 6-year, phase IV, low interventional, observational study that incorporates clinical, hematological, biochemical, epigenetic, radiological and cognitive biomarkers of disease. Participants considered for treatment with cladribine as part of their routine clinical care will be consented to take part in the study. They will be monitored at regular intervals during the initial course of medication administration in years 1 and 2. After year 3, patients will have the option of redosing, if clinically indicated, or to switch to another disease-modifying therapy. Throughout the duration of the study, we will assess blood-based biomarkers including lymphocyte subsets, serum neurofilament light chain, DNA methylation, and RNA analysis as well as magnetic resonance imaging findings (brain volume and/or lesion load) and cognitive performance. Results This study has been approved by the Hunter New England Local Health District Human Research Ethics Committee. Recruitment began in March of 2019 and was completed by June 2021. Conclusions This will be the first long-term efficacy trial of cladribine, which offers reinitiation of therapy in the 3rd year, based on disease activity, after the initial 2 courses. We expect that this study will indicate whether any of the assessed biomarkers can be used to predict treatment efficacy or the need for future reinitiation of cladribine in people with MS. Trial Registration This study is registered with the Australian and New Zealand Clinical Trials Registry (ACTRN12619000257167) with Universal Trial Number (U1111-1228-2165). International Registered Report Identifier (IRRID) DERR1-10.2196/24969
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Affiliation(s)
- Vicki E Maltby
- Department of Neurology, John Hunter Hospital, New Lambton Heights, Australia.,School for Medicine and Public Health, University of Newcastle, Callaghan, Australia.,Hunter Medical Research Institute, New Lambton Heights, Australia
| | - Rodney A Lea
- School for Medicine and Public Health, University of Newcastle, Callaghan, Australia.,Hunter Medical Research Institute, New Lambton Heights, Australia.,Institute of Health and Biomedical Innovations, Genomics Research Centre, Queensland University of Technology, Kelvin Grove, Australia
| | - Mastura Monif
- Department of Neurosciences, Eastern Health Clinical School, Monash University, Box Hill Hospital, Melbourne, Australia.,Department of Neurology, Alfred Health, Melbourne, Australia.,Department of Neurology, Melbourne Multiple Sclerosis Centre, Melbourne Health, Melbourne, Australia
| | - Marzena J Fabis-Pedrini
- Centre for Neuromuscular and Neurological Disorders, Perron Institute for Neurological and Translational Science, University of Western Australia, Perth, Australia
| | - Katherine Buzzard
- Department of Neurosciences, Eastern Health Clinical School, Monash University, Box Hill Hospital, Melbourne, Australia.,Department of Neurology, Melbourne Multiple Sclerosis Centre, Melbourne Health, Melbourne, Australia
| | - Tomas Kalincik
- Department of Neurology, Melbourne Multiple Sclerosis Centre, Melbourne Health, Melbourne, Australia.,Clinical Outcomes Research (CORe) Unit, Department of Medicine, University of Melbourne, Melbourne, Australia
| | - Allan G Kermode
- Centre for Neuromuscular and Neurological Disorders, Perron Institute for Neurological and Translational Science, University of Western Australia, Perth, Australia.,Institute for Immunology and Infectious Disease, Murdoch University, Perth, Australia
| | - Bruce Taylor
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Australia
| | - Suzanne Hodgkinson
- Department of Medicine, University of New South Wales, Sydney, Australia.,Department of Neurology, Liverpool Hospital, Sydney, Australia.,Immune Tolerance Laboratory, Ingham Institute, Sydney, Australia
| | - Pamela McCombe
- Centre for Clinical Research, University of Queensland, Brisbane, Australia
| | - Helmut Butzkueven
- Department of Neurology, Alfred Health, Melbourne, Australia.,Clinical Outcomes Research (CORe) Unit, Department of Medicine, University of Melbourne, Melbourne, Australia
| | - Michael Barnett
- Brain and Mind Centre, University of Sydney, Sydney, Australia.,Sydney Neuroimaging Analysis Centre, Sydney, Australia
| | - Jeannette Lechner-Scott
- Department of Neurology, John Hunter Hospital, New Lambton Heights, Australia.,School for Medicine and Public Health, University of Newcastle, Callaghan, Australia.,Hunter Medical Research Institute, New Lambton Heights, Australia
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17
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Rammohan K, Coyle PK, Sylvester E, Galazka A, Dangond F, Grosso M, Leist TP. The Development of Cladribine Tablets for the Treatment of Multiple Sclerosis: A Comprehensive Review. Drugs 2021; 80:1901-1928. [PMID: 33247831 PMCID: PMC7708385 DOI: 10.1007/s40265-020-01422-9] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Cladribine is a purine nucleoside analog initially developed in the 1970s as a treatment for various blood cancers. Due to the molecule’s ability to preferentially reduce T and B lymphocytes, it has been developed into an oral formulation for the treatment of multiple sclerosis (MS). The unique proposed mechanism of action of cladribine allows for the therapy to be delivered orally over two treatment-week cycles per year, one cycle at the beginning of the first month and one cycle at the beginning of the second month of years 1 and 2, with the potential for no further cladribine treatment required in years 3 and 4. This review summarizes the clinical development program for cladribine tablets in patients with MS, including the efficacy endpoints and results from the 2-year phase III CLARITY study in patients with relapsing–remitting MS (RRMS), the 2-year CLARITY EXTENSION study, and the phase III ORACLE-MS study in patients with a first clinical demyelinating event at risk for developing MS. Efficacy results from the phase II ONWARD study, in which cladribine tablets were administered as an add-on to interferon-β therapy in patients with RRMS, are also summarized. A review of all safety data, including lymphopenia, infections, and malignancies, is provided based on data from all trials in patients with MS, including the initial parenteral formulation studies. Based on these data, cladribine tablets administered at 3.5 mg/kg over 2 years have been approved across the globe for various forms of relapsing MS. The development of cladribine tablets for the treatment of multiple sclerosis: a comprehensive review (MP4 279143 kb)
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Affiliation(s)
- Kottil Rammohan
- Multiple Sclerosis Center, University of Miami, Miami, FL, USA.
| | - Patricia K Coyle
- Multiple Sclerosis Comprehensive Care Center, Stony Brook University, Stony Brook, NY, USA
| | | | | | - Fernando Dangond
- EMD Serono Research & Development Institute, Inc., Billerica, MA, USA, an affiliate of Merck KGaA, Darmstadt, Germany
| | - Megan Grosso
- EMD Serono, Inc., Rockland, MA, USA, an affiliate of Merck KGaA, Darmstadt, Germany
| | - Thomas P Leist
- Comprehensive MS Center, Jefferson University, Philadelphia, PA, USA
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18
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Cencioni MT, Mattoscio M, Magliozzi R, Bar-Or A, Muraro PA. B cells in multiple sclerosis - from targeted depletion to immune reconstitution therapies. Nat Rev Neurol 2021; 17:399-414. [PMID: 34075251 DOI: 10.1038/s41582-021-00498-5] [Citation(s) in RCA: 99] [Impact Index Per Article: 33.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/20/2021] [Indexed: 02/04/2023]
Abstract
Increasing evidence indicates the involvement of B cells in the pathogenesis of multiple sclerosis (MS), but their precise roles are unclear. In this Review, we provide an overview of the development and physiological functions of B cells and the main mechanisms through which B cells are thought to contribute to CNS autoimmunity. In MS, abnormalities of B cell function include pro-inflammatory cytokine production, defective B cell regulatory function and the formation of tertiary lymphoid-like structures in the CNS, which are the likely source of abnormal immunoglobulin production detectable in the cerebrospinal fluid. We also consider the hypothesis that Epstein-Barr virus (EBV) is involved in the B cell overactivation that leads to inflammatory injury to the CNS in MS. We also review the immunological effects - with a focus on the effects on B cell subsets - of several successful therapeutic approaches in MS, including agents that selectively deplete B cells (rituximab, ocrelizumab and ofatumumab), agents that less specifically deplete lymphocytes (alemtuzumab and cladribine) and autologous haematopoietic stem cell transplantation, in which the immune system is unselectively ablated and reconstituted. We consider the insights that these effects on B cell populations provide and their potential to further our understanding and targeting of B cells in MS.
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Affiliation(s)
- Maria T Cencioni
- Department of Brain Sciences, Faculty of Medicine, Imperial College London, London, UK
| | - Miriam Mattoscio
- Department of Brain Sciences, Faculty of Medicine, Imperial College London, London, UK
| | - Roberta Magliozzi
- Department of Brain Sciences, Faculty of Medicine, Imperial College London, London, UK.,Department of Neurology, University of Verona, Verona, Italy
| | - Amit Bar-Or
- Center for Neuroinflammation and Experimental Therapeutics and Department of Neurology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Paolo A Muraro
- Department of Brain Sciences, Faculty of Medicine, Imperial College London, London, UK.
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19
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Stangel M, Becker V, Elias-Hamp B, Havla J, Grothe C, Pul R, Rau D, Richter S, Schmidt S. Oral pulsed therapy of relapsing multiple sclerosis with cladribine tablets - expert opinion on issues in clinical practice. Mult Scler Relat Disord 2021; 54:103075. [PMID: 34261026 DOI: 10.1016/j.msard.2021.103075] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Accepted: 06/01/2021] [Indexed: 12/15/2022]
Abstract
BACKGROUND Oral cladribine is the first oral pulsed therapy licensed for relapsing multiple sclerosis (RMS). Three years after the introduction into the European market, we evaluated practical aspects in the use of cladribine tablets, incorporating the experience gained in routine clinical practice and real-world studies. METHODS Based on a structured review process, a panel of nine neurologists experienced in MS therapy discussed salient statements regarding the use of cladribine tables. For each statement the level of evidence was determined according to the levels of evidence recommended by the Centre for Evidence-Based Medicine, Oxford. The strength of each expert statement was then evaluated by means of a linear scale from 1 (very strong rejection) to 9 (very strong approval). Votes were collected by a formalized blinded process. Consent was considered to be reached if at least 75% of the experts agreed on a particular statement (i.e. voted for 7-9 points on the linear scale). RESULTS . Statements include efficacy in early RMS, risk of side effects and infections, vaccination, pregnancy, and monitoring requirements. CONCLUSION The consented recommendations summarize the practical experience inthe use of cladribine tablets in a real-world setting. These may provide guidance for unanswered questions arising with the introduction of new treatments such as cladribine tablets.
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Affiliation(s)
- Martin Stangel
- Klinik für Neurologie, Medizinische Hochschule Hannover, Carl-Neuberg-Str. 1, D-30625 Hannover, Germany.
| | - Veit Becker
- Neurologische Praxis Eppendorf, Kümmellstr. 1, D-20249 Hamburg, Germany.
| | - Birte Elias-Hamp
- Birte Elias-Hamp, Praxis für Neurologie und Psychiatrie, Bengelsdorfstr. 5, D-22179 Hamburg, Germany.
| | - Joachim Havla
- Institute of Clinical Neuroimmunology, and Data Integration for Future Medicine (DIFUTURE) consortium, LMU Hospital, Ludwig-Maximilians Universität München, Munich, Germany.
| | - Christoph Grothe
- GFO-Kliniken Troisdorf, Wilhelm-Busch-Straße 9, D-53840 Troisdorf, Germany.
| | - Refik Pul
- Klinik für Neurologie am Universitätsklinikum in Essen, Hufelandstr. 55, D-45147 Essen, Germany.
| | - Daniela Rau
- Nervenfachärztliche Gemeinschaftspraxis in Ulm, Pfauengasse 8, D-89073 Ulm, Germany.
| | - Stephan Richter
- MIND-MVZ Stuttgart, Charlottenstr. 14, D-70182 Stuttgart, Germany.
| | - Stephan Schmidt
- Neurologische Gemeinschaftspraxis Bonn, Gesundheitszentrum St. Johannes, Kölnstr. 54, D-53111 Bonn, Germany.
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Freedman MS, Coyle PK, Comi G, L Scarberry S, Damian D, Hyvert Y, Dangond F, Galazka A, Jack D, Lebson LA, Leist TP. Early MRI outcomes in participants with a first clinical demyelinating event at risk of multiple sclerosis in the ORACLE-MS study. Mult Scler J Exp Transl Clin 2021; 7:2055217321990852. [PMID: 33717501 PMCID: PMC7925953 DOI: 10.1177/2055217321990852] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Accepted: 01/09/2021] [Indexed: 11/30/2022] Open
Abstract
Background In the Phase 3, 96-week ORACLE-MS study, cladribine tablets 10 mg (3.5 or 5.25 mg/kg cumulative dosage over two years) significantly reduced lesions associated with multiple sclerosis versus placebo in participants following a first clinical demyelinating event (FCDE). Objective To determine the timing of effects of cladribine tablets on lesion activity assessed by magnetic resonance imaging (MRI). Methods This post hoc analysis assessed the effect of cladribine tablets versus placebo in ORACLE-MS on secondary MRI endpoints including T1 gadolinium-enhancing (Gd+), new or enlarging T2 lesions, and combined unique active lesions assessed on MRI scans performed at screening and every 3 months thereafter. Results Compared to placebo, cladribine tablets 3.5 mg/kg treatment appeared to lead to a trend of reductions in the mean number of T1 Gd+ lesions by Week 13 (first post-baseline scan: 0.37 vs. 1.00), new or enlarging T2 (0.20 vs. 1.01) and combined unique active (0.29 vs. 1.91) lesions by Week 24. Low lesion counts were maintained with cladribine tablets throughout 96 weeks. Similar results were observed with the 5.25 mg/kg dosage. Conclusion In participants with an FCDE, cladribine tablets appeared to reduce lesion numbers within 13 weeks (time of first evaluation).
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Affiliation(s)
- Mark S Freedman
- Department of Medicine and the Ottawa Hospital Research Institute, University of Ottawa, Ottawa, Canada
| | - Patricia K Coyle
- Department of Neurology, Stony Brook University, Stony Brook, NY, USA
| | - Giancarlo Comi
- Institute of Experimental Neurology, IRCCS Ospedale San Raffaele, Milan, Italy
| | | | - Doris Damian
- EMD Serono Research & Development Institute, Inc, Billerica, MA, USA, an affiliate of Merck KGaA, Darmstadt, Germany
| | | | - Fernando Dangond
- EMD Serono Research & Development Institute, Inc, Billerica, MA, USA, an affiliate of Merck KGaA, Darmstadt, Germany
| | | | | | - Lori A Lebson
- EMD Serono, Inc, Rockland, MA, USA, an affiliate of Merck KGaA, Darmstadt, Germany
| | - Thomas P Leist
- Comprehensive Multiple Sclerosis Center, Jefferson University Hospital, Philadelphia, PA, USA
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21
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Lizak N, Hodgkinson S, Butler E, Lechner-Scott J, Slee M, McCombe PA, Shaw C, Skibina O, Vucic S, Shuey N, Barnett MH, Parratt J, Butzkueven H, Jack D, Fabris J, Kalincik T. Real-world effectiveness of cladribine for Australian patients with multiple sclerosis: An MSBase registry substudy. Mult Scler 2021; 27:465-474. [PMID: 32530363 PMCID: PMC7897790 DOI: 10.1177/1352458520921087] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Revised: 02/24/2020] [Accepted: 03/31/2020] [Indexed: 12/22/2022]
Abstract
BACKGROUND/OBJECTIVE Observational clinical data from cladribine-treated patients with relapsing forms of multiple sclerosis (MS) were recorded in the Australian MS registry powered by the MSBase registry platform (5-year follow-up) and analysed to complement information from the pivotal cladribine clinical trials in MS. METHODS A cohort of 90 cladribine-treated patients with follow-up data reported by treating physicians and recorded in the Australian MSBase registry (database lock February 2016) were examined. Clinical data included Expanded Disability Status Scale (EDSS) scores, relapses and other disease-modifying drugs (DMDs) administered before and after cladribine treatment. RESULTS Mean age on starting cladribine was 47 years; mean age at MS onset was 34 years, and median baseline EDSS score was 5.25. Disability trajectories in patients with sufficient follow-up suggested an overall increasing trend prior to cladribine treatment which was reduced during the 2-year post-treatment. Approximately 80% of patients were EDSS progression-free, 65% remained relapse-free after 2 years and median time to next DMD was 1.7 years. CONCLUSION These observational data suggest a disease-modifying effect in this cohort of relapsing MS patients characterised by older and more disabled patients. Since these data represent a single-arm cohort, clinical trials and larger comparative post-marketing studies are needed to validate and extend these findings.
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Affiliation(s)
- Nathaniel Lizak
- CORe, Department of Medicine, University of Melbourne, Melbourne, VIC, Australia/The Alfred Hospital, Melbourne, VIC, Australia
| | - Suzanne Hodgkinson
- Ingham Institute for Applied Medical Research, UNSW Medicine, Liverpool, NSW, Australia/Liverpool Hospital, Sydney, NSW, Australia
| | - Ernest Butler
- Monash Medical Centre, Monash University, Melbourne, VIC, Australia
| | - Jeannette Lechner-Scott
- Hunter New England Health and Hunter Medical Research Institute, University of Newcastle, Callaghan, NSW, Australia
| | - Mark Slee
- Flinders University, Adelaide, SA, Australia
| | - Pamela Ann McCombe
- Royal Brisbane and Women’s Hospital, University of Queensland, Brisbane, QLD, Australia
| | - Cameron Shaw
- Geelong Hospital, Geelong, VIC, Australia/Deakin University, Melbourne, VIC, Australia
| | | | | | - Neil Shuey
- St Vincent’s Hospital, Melbourne, VIC, Australia
| | | | - John Parratt
- Royal North Shore Hospital, Sydney, NSW, Australia
| | - Helmut Butzkueven
- Central Clinical School, Monash University, Melbourne, VIC, Australia/Eastern Hospital, Melbourne, VIC, Australia
| | | | - Jessica Fabris
- Merck Serono Australia Pty Ltd, Frenchs Forest, NSW, Australia
| | - Tomas Kalincik
- CORe, Department of Medicine, University of Melbourne, Melbourne, VIC, Australia/Department of Neurology, Royal Melbourne Hospital, Melbourne, VIC, Australia
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22
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Long-term safety data from the cladribine tablets clinical development program in multiple sclerosis. Mult Scler Relat Disord 2020; 46:102572. [DOI: 10.1016/j.msard.2020.102572] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Revised: 10/06/2020] [Accepted: 10/07/2020] [Indexed: 01/09/2023]
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Cellerino M, Bonavita S, Ferrero M, Inglese M, Boffa G. Severe disease activity in MS patients treated with cladribine after fingolimod withdrawal. J Neurol Sci 2020; 418:117156. [PMID: 33010653 DOI: 10.1016/j.jns.2020.117156] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Revised: 09/06/2020] [Accepted: 09/21/2020] [Indexed: 01/21/2023]
Affiliation(s)
- Maria Cellerino
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health (DINOGMI), University of Genoa, Genoa, Italy
| | - Simona Bonavita
- Department of Advanced Medical and Surgical Sciences, University of Campania Luigi Vanvitelli, Naples, Italy
| | | | - Matilde Inglese
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health (DINOGMI), University of Genoa, Genoa, Italy; Ospedale Policlinico San Martino IRCCS, Genoa, Italy.
| | - Giacomo Boffa
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health (DINOGMI), University of Genoa, Genoa, Italy
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Jakimovski D, Vaughn CB, Eckert S, Zivadinov R, Weinstock-Guttman B. Long-term drug treatment in multiple sclerosis: safety success and concerns. Expert Opin Drug Saf 2020; 19:1121-1142. [PMID: 32744073 DOI: 10.1080/14740338.2020.1805430] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
INTRODUCTION The portfolio of multiple sclerosis (MS) disease modifying treatments (DMTs) has significantly expanded over the past two decades. Given the lifelong use of MS pharmacotherapy, understanding their long-term safety profiles is essential in determining suitable and personalized treatment. AREAS COVERED In this narrative review, we summarize the short-, mid-, and long-term safety profile of currently available MS DMTs categories. In addition to the initial trial findings, safety outcomes derived from long-term extension studies (≥5-20 years) and safety-based prescription programs have been reviewed. In order to better understand the risk-benefit ratio for each particular DMT group, a short description of the DMT-based efficacy outcomes has been included. EXPERT OPINION Long-term extension trials, large observational studies and real-world databases allow detection of rare and potentially serious adverse events. Two-year-long trials are unable to fully capture the positive and negative effects of immune system modulation and reconstitution. DMT-based monitoring programs can provide greater insights regarding safe use of MS medications in different patient populations and clinical settings. During the process of shared DMT decision, both MS care providers and their patients should be aware of an ever-expanding number of drug-based adverse events and their influence on the risk-benefit analysis.
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Affiliation(s)
- Dejan Jakimovski
- Buffalo Neuroimaging Analysis Center, Department of Neurology, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, State University of New York , Buffalo, NY, USA
| | - Caila B Vaughn
- Jacobs Comprehensive MS Treatment and Research Center, Department of Neurology, Jacobs School of Medicine and Biomedical Sciences University at Buffalo , Buffalo, NY, USA
| | - Svetlana Eckert
- Jacobs Comprehensive MS Treatment and Research Center, Department of Neurology, Jacobs School of Medicine and Biomedical Sciences University at Buffalo , Buffalo, NY, USA
| | - Robert Zivadinov
- Buffalo Neuroimaging Analysis Center, Department of Neurology, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, State University of New York , Buffalo, NY, USA.,Translational Imaging Center at Clinical Translational Research Center, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Stat37$e University of New York , Buffalo, NY, USA
| | - Bianca Weinstock-Guttman
- Jacobs Comprehensive MS Treatment and Research Center, Department of Neurology, Jacobs School of Medicine and Biomedical Sciences University at Buffalo , Buffalo, NY, USA
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AlSharoqi IA, Aljumah M, Bohlega S, Boz C, Daif A, El-Koussa S, Inshasi J, Kurtuncu M, Müller T, Retief C, Sahraian MA, Shaygannejad V, Slassi I, Taha K, Zakaria M, Sørensen PS. Immune Reconstitution Therapy or Continuous Immunosuppression for the Management of Active Relapsing-Remitting Multiple Sclerosis Patients? A Narrative Review. Neurol Ther 2020; 9:55-66. [PMID: 32297127 PMCID: PMC7229056 DOI: 10.1007/s40120-020-00187-3] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Indexed: 12/26/2022] Open
Abstract
The majority of disease-modifying drugs (DMDs) available for the management of active relapsing-remitting multiple sclerosis (RMS) depend on continuous drug intake for maintained efficacy, with escalation to a more active drug when an unacceptable level of disease activity returns. Among continuously applied regimens, interferons and glatiramer acetate act as immunomodulators, while dimethyl fumarate, fingolimod, ocrelizumab, natalizumab and teriflunomide are associated with continuous immunosuppression. By contrast, immune reconstitution therapy (IRT) provides efficacy that outlasts a short course of treatment. Autologous hemopoietic stem cell transplantation is perhaps the classic example of IRT, but this invasive and intensive therapy has challenging side-effects. A short treatment course of a pharmacologic agent hypothesized to act as an IRT, such as Cladribine Tablets 3.5 mg/kg or alemtuzumab, can provide long-term suppression of MS disease activity, without need for continuous treatment (the anti-CD20 mechanism of ocrelizumab has the potential to act as an IRT, but is administered continuously, at 6-monthly intervals). Cladribine Tablets 3.5 mg/kg shows some selectivity in targeting adaptive immunity with a lesser effect on innate immunity. The introduction of IRT-like disease-modifying drugs (DMDs) challenges the traditional maintenance/escalation mode of treatment and raises new questions about how disease activity is measured. In this review, we consider a modern classification of DMDs for MS and its implications for the care of patients in the IRT era.
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Affiliation(s)
- Isa Ahmed AlSharoqi
- Department of Clinical Neurosciences, Salmaniya Medical Complex, PO Box 12, Manama, Bahrain.
| | - Mohamed Aljumah
- King Fahad Medical City, Ministry of Health, Riyadh, Kingdom of Saudi Arabia
| | - Saeed Bohlega
- Department of Neurosciences, King Faisal Specialist Hospital and Research Centre, Riyadh, Kingdom of Saudi Arabia
| | - Cavit Boz
- Department of Neurology, Karadeniz Technical University, Trabzon, Turkey
| | - Abdelkader Daif
- King Khalid University Hospital, King Saud University, Riyadh, Kingdom of Saudi Arabia
| | | | - Jihad Inshasi
- Neurology Department, Rashid Hospital and Dubai Medical College, Dubai Health Authority, Dubai, United Arab Emirates
| | - Murat Kurtuncu
- Department of Neurology, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
| | - Thomas Müller
- Department of Neurology, St. Joseph Hospital Berlin-Weissensee, Gartenstr. 1, 13088, Berlin, Germany
| | | | - Mohammad Ali Sahraian
- MS Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Vahid Shaygannejad
- Isfahan Neurosciences Research Center, Alzahra Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Ilham Slassi
- Department of Neurology, Sheikh Khalifa Ibn Zaid Hospital, Mohammed VI University, Casablanca, Morocco
| | | | - Magd Zakaria
- Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Per Soelberg Sørensen
- Danish Multiple Sclerosis Center, University of Copenhagen-Rigshospitalet, Copenhagen, Denmark
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Coss-Rovirosa F, Salado-Burbano J, Casallas-Vanegas A, Caire-Herrera LE, Gómez-Figueroa E, Flores-Rivera J. Severe fingolimod rebound syndrome after switching to cladribine treatment. Mult Scler Relat Disord 2020; 40:101938. [DOI: 10.1016/j.msard.2020.101938] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Revised: 01/03/2020] [Accepted: 01/06/2020] [Indexed: 10/25/2022]
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Chisari CG, Toscano S, D’Amico E, Lo Fermo S, Zanghì A, Arena S, Zappia M, Patti F. An update on the safety of treating relapsing-remitting multiple sclerosis. Expert Opin Drug Saf 2019; 18:925-948. [DOI: 10.1080/14740338.2019.1658741] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- Clara G. Chisari
- Department “GF Ingrassia”, Section of Neurosciences, Multiple Sclerosis Center, University of Catania, Catania, Italy
| | - Simona Toscano
- Department “GF Ingrassia”, Section of Neurosciences, Multiple Sclerosis Center, University of Catania, Catania, Italy
| | - Emanuele D’Amico
- Department “GF Ingrassia”, Section of Neurosciences, Multiple Sclerosis Center, University of Catania, Catania, Italy
| | - Salvatore Lo Fermo
- Department “GF Ingrassia”, Section of Neurosciences, Multiple Sclerosis Center, University of Catania, Catania, Italy
| | - Aurora Zanghì
- Department “GF Ingrassia”, Section of Neurosciences, Multiple Sclerosis Center, University of Catania, Catania, Italy
| | - Sebastiano Arena
- Department “GF Ingrassia”, Section of Neurosciences, Multiple Sclerosis Center, University of Catania, Catania, Italy
| | - Mario Zappia
- Department “GF Ingrassia”, Section of Neurosciences, Multiple Sclerosis Center, University of Catania, Catania, Italy
| | - Francesco Patti
- Department “GF Ingrassia”, Section of Neurosciences, Multiple Sclerosis Center, University of Catania, Catania, Italy
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28
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Stuve O, Soelberg Soerensen P, Leist T, Giovannoni G, Hyvert Y, Damian D, Dangond F, Boschert U. Effects of cladribine tablets on lymphocyte subsets in patients with multiple sclerosis: an extended analysis of surface markers. Ther Adv Neurol Disord 2019; 12:1756286419854986. [PMID: 31244898 PMCID: PMC6582297 DOI: 10.1177/1756286419854986] [Citation(s) in RCA: 56] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Accepted: 05/07/2019] [Indexed: 12/16/2022] Open
Abstract
Background Cladribine tablets 3.5 mg/kg cumulative over 2 years (CT3.5) had significant clinical/imaging effects in patients with clinically isolated syndrome (CIS; ORACLE-MS) or relapsing-remitting MS (RRMS; CLARITY and CLARITY Extension). This analysis compared the effect of cladribine tablets on the dynamics of immune cell reduction and reconstitution in ORACLE-MS, CLARITY, and CLARITY Extension during the first year of treatment (i.e. the first course of CT1.75) in patients randomized to CT3.5. Methods Lymphocyte subtypes were analyzed using multiparameter flow cytometry. Changes in cell counts and relative proportions of lymphocytes were evaluated at weeks 5, 13, 24, and 48. Results Across studies, consistent and comparable selective kinetics of immune cell populations occurred following the first treatment year with CT. A rapid reduction in CD16+/CD56+ cells (week 5 nadir), a more marked reduction in CD19+ B cells (week 13 nadir), and a less-pronounced effect on CD4+ (week 13 nadir) and CD8+ T cells (week 24 nadir) was shown. There was little effect on neutrophils or monocytes. Lymphocyte recovery began after treatment with CT3.5. Regarding relative proportions of naïve and memory T-cell subtypes in ORACLE-MS, the proportion of naïve-like naturally occurring T-regulatory cells (nTregs) decreased, and the proportion of memory-like nTregs increased, relative to total CD4+ T cells. Conclusions CT3.5 has comparable effects on the immune systems of patients with CIS or RRMS. The pronounced reduction and recovery dynamics of CD19+ B cells and relative changes in the proportion of some immune cell subtypes may underlie the clinical effects of CT3.5.
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Affiliation(s)
- Olaf Stuve
- Department of Neurology and Neurotherapeutics, University of Texas Southwestern Medical Center at Dallas, 6000 Harry Hines Boulevard, Dallas, TX 75390-8813, USA
| | - Per Soelberg Soerensen
- Danish MS Center, Department of Neurology, University of Copenhagen, Rigshospitalet, Copenhagen, Denmark
| | - Thomas Leist
- Division of Clinical Neuroimmunology, Jefferson University, Comprehensive MS Center, Philadelphia, PA, USA
| | - Gavin Giovannoni
- Queen Mary University of London, Blizard Institute, Barts and The London School of Medicine and Dentistry, London, UK
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Sorensen PS, Sellebjerg F. Pulsed immune reconstitution therapy in multiple sclerosis. Ther Adv Neurol Disord 2019; 12:1756286419836913. [PMID: 30944586 PMCID: PMC6440030 DOI: 10.1177/1756286419836913] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2018] [Accepted: 02/02/2019] [Indexed: 12/02/2022] Open
Abstract
Whereas drugs used for maintenance/escalation therapy do not maintain their beneficial effect after cessation of therapy, some new highly effective therapies can show prolonged treatment effects after a short treatment course. Such therapies have been named pulsed immune reconstitution therapies or pulsed immunosuppressive therapies, and typical representatives are alemtuzumab and cladribine. Autologous haematopoietic stem cell transplantation could be considered as the strongest immune reconstitution therapy. Both alemtuzumab and cladribine induce depletion of lymphocytes, and a common mechanism of action is preferential depletion of class-switched and unswitched memory B-cells. Whereas CD-19+ B-lymphocytes repopulate within 6 months, CD4+ T-cells repopulate at a slower rate, taking 1–2 years to reach the lower level of normal. In general, the depletion of lymphocytes is more profound and the repletion of T-cells is slower after alemtuzumab than after cladribine treatment. Both drugs have a strong effect on relapses and magnetic resonance imaging (MRI) activity, and reduce disability worsening. The therapeutic effect is maintained beyond the period of active treatment in a large proportion of patients, which is best documented for alemtuzumab. Adverse effects include reactivation of latent infections such as tuberculosis and risk of herpes zoster. The main disadvantage in alemtuzumab-treated patients is the risk of secondary immune-mediated disorders. Pulsed immune reconstitution therapy is an option as initial therapy in relapsing-remitting multiple sclerosis patients with high disease activity and in patients on treatment with another disease-modifying therapy with significant relapse and/or MRI activity.
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Affiliation(s)
- Per Soelberg Sorensen
- Department of Neurology 2082, Danish Multiple Sclerosis Center, University of Copenhagen, Rigshospitalet, 9, Blegdamsvej, DK-2100 Copenhagen, Denmark
| | - Finn Sellebjerg
- Department of Neurology, Danish Multiple Sclerosis Center, University of Copenhagen, Rigshospitalet, Copenhagen, Denmark
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Baker D, Pryce G, Herrod SS, Schmierer K. Potential mechanisms of action related to the efficacy and safety of cladribine. Mult Scler Relat Disord 2019; 30:176-186. [PMID: 30785074 DOI: 10.1016/j.msard.2019.02.018] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2019] [Revised: 02/09/2019] [Accepted: 02/12/2019] [Indexed: 12/31/2022]
Abstract
Oral cladribine is a novel treatment for relapsing multiple sclerosis (MS). This appears to be a semi-selective immune-reconstitution therapy that induces long-term therapy from short treatment cycles. It has a relatively good safety profile that currently does not require extensive monitoring associated with some continuous immunosuppressive and relatively non-selective immune reconstitution therapies. The efficacy and safety of cladribine relates to its particular physicochemical properties, the function of the lymphocyte subsets that are selectively targeted by the drug and the repopulation kinetics of these subsets. As such, there is marked and long-term depletion of memory B cell subsets, which probably relates to the therapeutic efficacy. This is also coupled with a more limited, but likewise long-term, depletion of CD4 T subsets. There is limited depletion of cells of the innate immune system and modest effects on CD8 and probably plasma cells, which provide immediate and durable protection from infection. Targeting of CD4 T regulatory cells, CD8 T suppressor cells and regulatory B cell subsets appears more limited as these populations recover rapidly and so repopulating pathogenic cells re-emerge into a regulatory environment. This appears to lead to re-establishment of immune-tolerance that produces long-term control of MS. Although this hypothesis contains a number of unknown details, it is based on knowledge about the biology of cladribine, basic immunology and the effects of other high-efficacy B and T cell depleting agents that exhibit stereotyped repopulation behaviours. These concepts are relatively simple to interrogate, and can be modified as new knowledge about the durability of disease control and safety with cladribine emerges.
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Affiliation(s)
- David Baker
- BartsMS, Blizard Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, 4 Newark Street, London E1 2AT, United Kingdom.
| | - Gareth Pryce
- BartsMS, Blizard Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, 4 Newark Street, London E1 2AT, United Kingdom
| | - Samuel S Herrod
- BartsMS, Blizard Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, 4 Newark Street, London E1 2AT, United Kingdom
| | - Klaus Schmierer
- BartsMS, Blizard Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, 4 Newark Street, London E1 2AT, United Kingdom; Clinical Board:Medicine (Neuroscience), The Royal London Hospital, Barts Health NHS Trust, London E1 1BB, United Kingdom
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31
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Jacobs BM, Ammoscato F, Giovannoni G, Baker D, Schmierer K. Cladribine: mechanisms and mysteries in multiple sclerosis. J Neurol Neurosurg Psychiatry 2018; 89:1266-1271. [PMID: 29991490 DOI: 10.1136/jnnp-2017-317411] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/07/2017] [Revised: 05/22/2018] [Accepted: 05/23/2018] [Indexed: 01/27/2023]
Abstract
OBJECTIVES The aims of this manuscript were to review the evidence for the efficacy and safety of cladribine in multiple sclerosis (MS) and to review the molecular and cellular mechanisms by which cladribine acts as a disease-modifying therapy in MS. METHODS This is a narrative review of the available clinical and preclinical data on the use of cladribine in MS. RESULTS Clinical trial data argue strongly that cladribine is a safe and effective therapy for relapsing MS and that it may also be beneficial in progressive MS. The pharmacology of cladribine explains how it is selectively toxic towards lymphocytes. Immunophenotyping studies show that cladribine depletes lymphocyte populations in vivo with a predilection for B cells. In vitro studies demonstrate that cladribine also exerts immunomodulatory influences over innate and adaptive immunity. CONCLUSIONS Cladribine is a safe and effective form of induction therapy for relapsing MS. Its mechanism of benefit is not fully understood but the most striking action is selective, long-lasting, depletion of B lymphocytes with a particular predilection for memory B cells. The in vivo relevance of its other immunomodulatory actions is unknown. The hypothesis that cladribine's action of benefit is to deplete memory B cells is important: if correct, it implies that selective targeting of this cell population and sparing of other lymphocytes could modify disease activity without predisposing to immunosuppression-related complications.
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Affiliation(s)
- Benjamin Meir Jacobs
- The Blizard Institute (Neuroscience), Queen Mary University of London, Barts and the London School of Medicine and Dentistry, London, UK
| | - Francesca Ammoscato
- The Blizard Institute (Neuroscience), Queen Mary University of London, Barts and the London School of Medicine and Dentistry, London, UK
| | - Gavin Giovannoni
- The Blizard Institute (Neuroscience), Queen Mary University of London, Barts and the London School of Medicine and Dentistry, London, UK.,Emergency Care and Acute Medicine Clinical Academic Group Neuroscience, Barts Health NHS Trust, The Royal London Hospital, London, UK
| | - David Baker
- The Blizard Institute (Neuroscience), Queen Mary University of London, Barts and the London School of Medicine and Dentistry, London, UK
| | - Klaus Schmierer
- The Blizard Institute (Neuroscience), Queen Mary University of London, Barts and the London School of Medicine and Dentistry, London, UK.,Emergency Care and Acute Medicine Clinical Academic Group Neuroscience, Barts Health NHS Trust, The Royal London Hospital, London, UK
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Cook S, Leist T, Comi G, Montalban X, Giovannoni G, Nolting A, Hicking C, Galazka A, Sylvester E. Safety of cladribine tablets in the treatment of patients with multiple sclerosis: An integrated analysis. Mult Scler Relat Disord 2018; 29:157-167. [PMID: 30885374 DOI: 10.1016/j.msard.2018.11.021] [Citation(s) in RCA: 82] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2018] [Revised: 11/09/2018] [Accepted: 11/19/2018] [Indexed: 12/16/2022]
Abstract
BACKGROUND Treating patients with relapsing multiple sclerosis (MS) with cladribine tablets (two times 4 or 5 days of treatment each year for 2 years) results in long-lasting efficacy, with continued stability in many patients for 4 or more years. Safety and tolerability outcomes from individual clinical studies with cladribine tablets have been reported previously. OBJECTIVE Report safety data from an integrated analysis of clinical trials and follow-up in patients with MS to further characterize the safety profile of cladribine tablets. METHODS Data for patients treated with cladribine tablets 10 mg (MAVENCLAD®; 3.5 mg/kg cumulative dose over 2 years, referred to as cladribine tablets 3.5 mg/kg) as monotherapy (n = 923) or placebo (n = 641) in Phase III clinical trials (CLARITY, CLARITY Extension and ORACLE-MS) and followed up in the PREMIERE registry were aggregated (Monotherapy Oral cohort). To better characterize rare events, additional data from earlier studies which involved the use of parenteral cladribine in patients with MS, and the ONWARD study, in which patients were given cladribine tablets in addition to interferon (IFN)-β or placebo plus IFN-β were included in an All Exposed cohort (cladribine, n = 1926; placebo, n = 802). Adjusted adverse events incidences per 100 patient-years (Adj-AE per 100 PY) were calculated for the integrated analyses. RESULTS The incidence rate of treatment-emergent adverse events (TEAEs) in the Monotherapy Oral cohort was 103.29 vs. 94.26 Adj-AEs per 100 PY for placebo. TEAEs that occurred more frequently with cladribine tablets were mainly driven by the TEAEs of lymphopenia (Adj-AE per 100 PY 7.94 vs. 1.06 for placebo) and lymphocyte count decreased (Adj-AE per 100 PY 0.78 vs. 0.10 for placebo) as anticipated due to the mode of action of cladribine. An increase in TEAE incidence rate was also observed in the cladribine tablets 3.5 mg/kg group vs. placebo for herpes zoster (Adj-AE per 100 PY 0.83 vs. 0.20, respectively). There were no cases of systemic, serious disseminated herpes zoster attributed to treatment with cladribine tablets. In general there was no increase in the risk of infections including opportunistic infections with cladribine tablets versus placebo, except for herpes zoster. Periods of severe lymphopenia (< 0.5 × 109 cells/L) were associated with an increased frequency of infections, but the nature of these was not different to that observed in the overall patient group treated with cladribine tablets 3.5 mg/kg. Within the constraints of a limited sample size, malignancy rates in the overall clinical program for cladribine in MS did not show evidence of an increase compared to placebo-treated patients and there was no increase in the incidence of malignancies over time in cladribine-treated patients. CONCLUSION The AE profile for cladribine tablets 3.5 mg/kg as a monotherapy has been well-characterized in a pooled population of patients from early to more advanced relapsing MS. There was no increased risk for infections in general except for a higher incidence of herpes zoster. Lymphopenia was amongst the most frequently observed TEAEs that occurred at a higher incidence with cladribine relative to placebo. There was also no increase in malignancy rates for cladribine relative to placebo.
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Affiliation(s)
- Stuart Cook
- Rutgers, The State University of New Jersey, New Jersey Medical School, Department of Neurology & Neurosciences, 185 South Orange Avenue, Newark, NJ 07101-1709, United States.
| | - Thomas Leist
- Division of Clinical Neuroimmunology, Jefferson University, Comprehensive MS Center, 900 Walnut Street, Philadelphia, PA 19107, United States
| | - Giancarlo Comi
- Department of Neurology and Institute of Experimental Neurology, Università Vita-Salute San Raffaele, Ospedale San Raffaele, Via Olgettina 48, Milan 20132, Italy
| | - Xavier Montalban
- Division of Neurology, St. Michael's Hospital, University of Toronto, 30 Bond Street, Toronto, ON M5B 1W8, Canada; Department of Neurology-Neuroimmunology, Centre d'Esclerosi Múltiple de Catalunya (Cemcat), Hospital Universitari Vall d'Hebron, Passeif de la Vall d'Hebron 119-129, 08035 Barcelona, Spain
| | - Gavin Giovannoni
- Queen Mary University of London, Blizard Institute, Barts and The London School of Medicine and Dentistry, 4 Newark Street, London, E1 2AT, UK
| | - Axel Nolting
- Merck KGaA, Frankfurter Str. 250, 64293 Darmstadt, Germany
| | | | - Andrew Galazka
- Merck, Zone Industrielle de L'Ouriettaz, Aubonne, 1170, Switzerland, a division of Merck KGaA, Darmstadt, Germany
| | - Elke Sylvester
- Merck KGaA, Frankfurter Str. 250, 64293 Darmstadt, Germany
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Traditional Uses of Cannabinoids and New Perspectives in the Treatment of Multiple Sclerosis. MEDICINES 2018; 5:medicines5030091. [PMID: 30111755 PMCID: PMC6164967 DOI: 10.3390/medicines5030091] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Revised: 08/07/2018] [Accepted: 08/09/2018] [Indexed: 12/24/2022]
Abstract
Recent findings highlight the emerging role of the endocannabinoid system in the control of symptoms and disease progression in multiple sclerosis (MS). MS is a chronic, immune-mediated, demyelinating disorder of the central nervous system with no cure so far. It is widely reported in the literature that cannabinoids might be used to control MS symptoms and that they also might exert neuroprotective effects and slow down disease progression. This review aims to give an overview of the principal cannabinoids (synthetic and endogenous) used for the symptomatic amelioration of MS and their beneficial outcomes, providing new potentially possible perspectives for the treatment of this disease.
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Boyko AN, Boyko OV. Cladribine tablets' potential role as a key example of selective immune reconstitution therapy in multiple sclerosis. Degener Neurol Neuromuscul Dis 2018; 8:35-44. [PMID: 30050387 PMCID: PMC6053904 DOI: 10.2147/dnnd.s161450] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Multiple sclerosis (MS) is one of the most important, disabling, and prevalent neurological disorders of young adults. It is a chronic inflammatory and neurodegenerative disease when autoreactive B and T cells have downstream effects that result in demyelination and neuronal loss. Anti-inflammatory disease-modifying therapies do have proven efficacy in delaying disease and disability progression in MS. While the progress in MS treatments has already improved the prognosis and quality of patients’ lives overall, there are some clear shortcomings and unmet needs in the current MS treatment landscape. The most promising means of MS treatment is selective immune reconstitution therapy (SIRT). This therapy is given in short-duration courses of immunosuppression, producing durable effects on the immune system and preventing nervous tissue loss. This review discusses the mechanisms of action and the data of clinical trials of cladribine tablets as an example of SIRT in MS. The clinical benefits of cladribine tablets in these studies include decreased relapse rate and disability progression with large reductions in lesion activity, and protection against brain volume loss. Whether all of these neurological findings are direct results of lymphocyte depletion, or if there are downstream effects on other, unknown, neurodegenerative processes are yet to be determined, but these clearly point to an interesting area of research.
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Affiliation(s)
- Alexey N Boyko
- Pirogov's Russian National Research University, Department of Neurology, Neurosurgery and Medical Genetics, .,Neurological Department, Usupov's Hospital, Moscow, Russia,
| | - Olga V Boyko
- Pirogov's Russian National Research University, Department of Neurology, Neurosurgery and Medical Genetics, .,Neurological Department, Usupov's Hospital, Moscow, Russia,
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Giovannoni G, Soelberg Sorensen P, Cook S, Rammohan KW, Rieckmann P, Comi G, Dangond F, Hicking C, Vermersch P. Efficacy of Cladribine Tablets in high disease activity subgroups of patients with relapsing multiple sclerosis: A post hoc analysis of the CLARITY study. Mult Scler 2018; 25:819-827. [PMID: 29716436 PMCID: PMC6460686 DOI: 10.1177/1352458518771875] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Background: In the CLARITY (CLAdRIbine Tablets treating multiple sclerosis orallY) study, Cladribine Tablets significantly improved clinical and magnetic resonance imaging (MRI) outcomes (vs placebo) in patients with relapsing-remitting multiple sclerosis. Objective: Describe two clinically relevant definitions for patients with high disease activity (HDA) at baseline of the CLARITY study (utility verified in patients receiving placebo) and assess the treatment effects of Cladribine Tablets 3.5 mg/kg compared with the overall study population. Methods: Outcomes of patients randomised to Cladribine Tablets 3.5 mg/kg or placebo were analysed for subgroups using HDA definitions based on high relapse activity (HRA; patients with ⩾2 relapses during the year prior to study entry, whether on DMD treatment or not) or HRA plus disease activity on treatment (HRA + DAT; patients with ⩾2 relapses during the year prior to study entry, whether on DMD treatment or not, PLUS patients with ⩾1 relapse during the year prior to study entry while on therapy with other DMDs and ⩾1 T1 Gd+ or ⩾9 T2 lesions). Results: In the overall population, Cladribine Tablets 3.5 mg/kg reduced the risk of 6-month-confirmed Expanded Disability Status Scale (EDSS) worsening by 47% vs placebo. A risk reduction of 82% vs placebo was seen in both the HRA and HRA + DAT subgroups (vs 19% for non-HRA and 18% for non-HRA + DAT), indicating greater responsiveness to Cladribine Tablets 3.5 mg/kg in patients with HDA. There were consistent results for other efficacy endpoints. The safety profile in HDA patients was consistent with the overall CLARITY population. Conclusion: Patients with HDA showed clinical and MRI responses to Cladribine Tablets 3.5 mg/kg that were generally better than, or at least comparable with, the outcomes seen in the overall CLARITY population.
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Affiliation(s)
- Gavin Giovannoni
- Department of Neurology, Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Per Soelberg Sorensen
- Danish Multiple Sclerosis Center, Department of Neurology, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Stuart Cook
- Department of Neurology & Neurosciences, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ, USA
| | - Kottil W Rammohan
- MS Research Center, Department of Neurology, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Peter Rieckmann
- Department of Neurology, Hospital for Nervous Diseases, Medical Park Loipl, Bischofswiesen, Germany/University of Erlangen-Nürnberg, Erlangen, Germany
| | - Giancarlo Comi
- Department of Neurology, Università Vita-Salute San Raffaele and Institute of Experimental Neurology, Ospedale San Raffaele, Milan, Italy
| | | | | | - Patrick Vermersch
- University of Lille, CHU Lille, LIRIC-INSERM U995, FHU Imminent, Lille, France
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Comi G, Cook S, Rammohan K, Soelberg Sorensen P, Vermersch P, Adeniji AK, Dangond F, Giovannoni G. Long-term effects of cladribine tablets on MRI activity outcomes in patients with relapsing-remitting multiple sclerosis: the CLARITY Extension study. Ther Adv Neurol Disord 2018; 11:1756285617753365. [PMID: 29399054 PMCID: PMC5788142 DOI: 10.1177/1756285617753365] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2017] [Accepted: 12/20/2017] [Indexed: 11/15/2022] Open
Abstract
Background The CLARITY and CLARITY Extension studies demonstrated that treatment of relapsing–remitting multiple sclerosis (RRMS) with cladribine tablets (CT) results in significant clinical improvements, compared with placebo. This paper presents the key magnetic resonance imaging (MRI) findings from the CLARITY Extension study. Methods Patients who received a cumulative dose of either CT 3.5 or 5.25 mg/kg in CLARITY were rerandomized to either placebo or CT 3.5 mg/kg in CLARITY Extension. Patients from the arm that received placebo in CLARITY were assigned to CT 3.5 mg/kg. MRI assessments were carried out when patients entered CLARITY Extension and after Weeks 24, 48, 72 and 96, and in a supplemental follow-up period. Results At CLARITY Extension baseline, patients who received placebo during CLARITY had more T1 gadolinium-enhanced (Gd+) lesions than patients who received CT during CLARITY. These patients, who were then exposed to cladribine 3.5 mg/kg during the extension, experienced a 90.4% relative reduction (median difference −0.33, 97.5% confidence interval −0.33–0.00; p < 0.001) in T1 Gd+ lesions at the end of the extension compared with the end of CLARITY. Overall, the majority of patients in each treatment group remained free from T1 Gd+ lesions throughout CLARITY Extension. However, a small proportion of patients who were treated with cladribine in CLARITY and received placebo in CLARITY Extension showed evidence of increased MRI activity, and this was associated with a prolonged treatment gap between CLARITY and CLARITY Extension. Conclusion A 2-year treatment with CT 3.5 mg/kg has a durable effect on MRI outcomes in the majority of patients, an effect that was sustained in patients who were not retreated in the subsequent 2 years after initial treatment. ClinicalTrials.gov identifier: NCT00641537
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Affiliation(s)
| | - Stuart Cook
- Rutgers, The State University of New Jersey, New Jersey Medical School, Newark, NJ, USA
| | - Kottil Rammohan
- Depatment of Neurology, University of Miami School of Medicine, Miami, FL, USA
| | | | | | | | | | - Gavin Giovannoni
- Queen Mary University of London, Barts and The London School of Medicine and Dentistry, London, UK
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Abstract
Cladribine is a deoxyadenosine analogue prodrug that preferentially depletes lymphocytes, key cells underlying multiple sclerosis (MS) pathogenesis. Cladribine tablets (Mavenclad®) represent the first short-course oral disease-modifying drug (DMD) for use in MS. The tablets, administered in two short courses 1 year apart, are indicated for the treatment of adults with highly active relapsing MS on the basis of data from pivotal clinical trials, including the phase 3 study CLARITY and its extension. A cumulative cladribine tablets dose of 3.5 mg/kg administered in this fashion in CLARITY reduced clinical relapse, disability progression and MRI-assessed disease activity and also improved some aspects of health-related quality of life (HR-QOL) versus placebo over 96 weeks in adults with relapsing-remitting MS (RRMS). Moreover, in the 96-week extension (plus 24 weeks' supplemental follow-up), no additional clinical benefit was gained from continuing versus discontinuing cladribine tablets after the first two annual courses of therapy, although MRI activity was more notable in a subset of cladribine tablet recipients who discontinued the drug. In post hoc analyses of CLARITY and/or a phase 2b trial, benefits of cladribine tablets were seen in patients with high disease activity (HDA) relapsing MS that were sometimes greater than in patients without HDA. Cladribine tablets have an acceptable tolerability profile and do not appear to be associated with an increased risk of overall infection or with an increased risk of malignancy (vs. matched reference populations). Active comparisons and longer-term follow-up would be beneficial, although current data indicate that for adults with highly active relapsing MS, cladribine tablets are an effective treatment option with the convenience of low-burden, short-course, oral administration.
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Affiliation(s)
- Emma D. Deeks
- 0000 0004 0372 1209grid.420067.7Springer, Private Bag 65901, Mairangi Bay, Auckland, 0754 New Zealand
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Freedman MS, Leist TP, Comi G, Cree BA, Coyle PK, Hartung HP, Vermersch P, Damian D, Dangond F. The efficacy of cladribine tablets in CIS patients retrospectively assigned the diagnosis of MS using modern criteria: Results from the ORACLE-MS study. Mult Scler J Exp Transl Clin 2017; 3:2055217317732802. [PMID: 29051829 PMCID: PMC5637982 DOI: 10.1177/2055217317732802] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2017] [Accepted: 08/07/2017] [Indexed: 11/15/2022] Open
Abstract
Background Multiple sclerosis (MS) diagnostic criteria have changed since the ORACLE-MS study was conducted; 223 of 616 patients (36.2%) would have met the diagnosis of MS vs clinically isolated syndrome (CIS) using the newer criteria. Objective The objective of this paper is to assess the effect of cladribine tablets in patients with a first clinical demyelinating attack fulfilling newer criteria (McDonald 2010) for MS vs CIS. Methods A post hoc analysis for subgroups of patients retrospectively classified as fulfilling or not fulfilling newer criteria at the first clinical demyelinating attack was conducted. Results Cladribine tablets 3.5 mg/kg (n = 68) reduced the risk of next attack or three-month confirmed Expanded Disability Status Scale (EDSS) worsening by 74% vs placebo (n = 72); p = 0.0009 in patients meeting newer criteria for MS at baseline. Cladribine tablets 5.25 mg/kg (n = 83) reduced the risk of next attack or three-month confirmed EDSS worsening by 37%, but nominal significance was not reached (p = 0.14). In patients who were still CIS after applying newer criteria, cladribine tablets 3.5 mg/kg (n = 138) reduced the risk of conversion to clinically definite multiple sclerosis (CDMS) by 63% vs placebo (n = 134); p = 0.0003. Cladribine tablets 5.25 mg/kg (n = 121) reduced the risk of conversion by 75% vs placebo (n = 134); p < 0.0001. Conclusions Regardless of the criteria used to define CIS or MS, 3.5 mg/kg cladribine tablets are effective in patients with a first clinical demyelinating attack. ClinicalTrials.gov registration: The ORACLE-MS study (NCT00725985).
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Affiliation(s)
- Mark S Freedman
- Department of Medicine (Neurology), University of Ottawa and the Ottawa Hospital Research Institute, Canada
| | - Thomas P Leist
- Division of Clinical Neuroimmunology, Thomas Jefferson University, USA
| | - Giancarlo Comi
- Department of Neurology and Institute of Experimental Neurology, Università Vita-Salute San Raffaele, Ospedale San Raffaele, Italy
| | | | | | - Hans-Peter Hartung
- Department of Neurology, Heinrich Heine University, Medical Faculty, Germany
| | - Patrick Vermersch
- University of Lille, CHU Lille, LIRIC-INSERM U995, FHU Imminent, France
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Abstract
Cladribine is a purine nucleoside analogue that selectively depletes peripheral lymphocytes without a major impact on cells of the innate immune system. An oral formulation of cladribine has been developed to be given as short courses over two annual cycles. Oral cladribine results in the peripheral depletion of lymphocytes that is gradual, occurring over several weeks, and is not associated with a cell lysis syndrome, has a greater impact on B cells than T cells, and is followed by gradual reconstitution of the peripheral lymphocyte counts over several months. Oral cladribine is effective in relapsing forms of multiple sclerosis. As a selective immune reconstitution therapy (SIRT), cladribine acts as a short-term immunosuppressant, relative to other maintenance immunosuppressive therapies that result in long-term immunosuppression. The main safety signal that has emerge relates primarily to herpes zoster infection, which was more common in patients with higher grades of lymphopenia, in particular grade 3 and 4 lymphopenia. Data from the oral cladribine extension trial and safety register, and reanalysis of the pivotal phase III trial has indicated that oral cladribine is unlikely to be associated with an increased short- to intermediate-term risk of malignancy.
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Affiliation(s)
- Gavin Giovannoni
- Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University London, London, UK.
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Cladribine Exposure Results in a Sustained Modulation of the Cytokine Response in Human Peripheral Blood Mononuclear Cells. PLoS One 2015; 10:e0129182. [PMID: 26086440 PMCID: PMC4472752 DOI: 10.1371/journal.pone.0129182] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2015] [Accepted: 05/05/2015] [Indexed: 11/19/2022] Open
Abstract
Background and Objectives Cladribine is a cytotoxic drug which ameliorates the clinical course of relapsing-remitting multiple sclerosis. In addition to cytotoxicity, the mode of action may include immunomodulatory mechanisms. This in vitro study was designed to investigate cladribine’s effects on cell function after the removal of cladribine to distinguish cytotoxic versus immunomodulatory effects. Methods Cells were incubated in the absence or presence of cladribine (1×10-8 M to 1×10-5 M) for 72 h. Cladribine was removed from the cell culture and surviving peripheral blood mononuclear cells were cultured up to 58 days to determine the immunomodulatory effects of cladribine on cell function (e.g., proliferation and cytokine release). Results In the long-term, brief cladribine exposure did not impair the proliferation of surviving peripheral blood mononuclear cells. However, it induced an anti-inflammatory shift in the cytokine milieu with significantly enhanced release of IL-4 (Days 9 and 44, p<0.01; Day 58, p<0.05) and IL-5 (Day 9, p<0.01), resulting in an increased IL-4/INF-gamma ratio (Days 9 and 44, p<0.01; Day 58, p<0.05). Additionally, a trend towards an increased IL-10 production was observed. No changes were found in the production of IFN-gamma, TNF-alpha, IL-6, IL-8, IL-17A, IL-23 or NGF-beta. Conclusions In vitro cladribine exposure induces a sustained anti-inflammatory shift in the cytokine profile of surviving peripheral blood mononuclear cells. This immunomodulatory action might contribute to cladribine’s beneficial effects in the treatment of multiple sclerosis.
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Miller DH, Fox RJ, Phillips JT, Hutchinson M, Havrdova E, Kita M, Wheeler-Kingshott CAM, Tozer DJ, MacManus DG, Yousry TA, Goodsell M, Yang M, Zhang R, Viglietta V, Dawson KT. Effects of delayed-release dimethyl fumarate on MRI measures in the phase 3 CONFIRM study. Neurology 2015; 84:1145-52. [PMID: 25681448 PMCID: PMC4371413 DOI: 10.1212/wnl.0000000000001360] [Citation(s) in RCA: 58] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2013] [Accepted: 11/21/2014] [Indexed: 12/04/2022] Open
Abstract
OBJECTIVE To evaluate the effects of oral delayed-release dimethyl fumarate (DMF; also known as gastro-resistant DMF) on MRI lesion activity and load, atrophy, and magnetization transfer ratio (MTR) measures from the Comparator and an Oral Fumarate in Relapsing-Remitting Multiple Sclerosis (CONFIRM) study. METHODS CONFIRM was a 2-year, placebo-controlled study of the efficacy and safety of DMF 240 mg twice (BID) or 3 times daily (TID) in 1,417 patients with relapsing-remitting multiple sclerosis (RRMS); subcutaneous glatiramer acetate 20 mg once daily was included as an active reference comparator. The number and volume of T2-hyperintense, T1-hypointense, and gadolinium-enhancing (Gd+) lesions, as well as whole brain volume and MTR, were assessed in 681 patients (MRI cohort). RESULTS DMF BID and TID produced significant and consistent reductions vs placebo in the number of new or enlarging T2-hyperintense lesions and new nonenhancing T1-hypointense lesions after 1 and 2 years of treatment and in the number of Gd+ lesions at week 24, year 1, and year 2. Lesion volumes were also significantly reduced. Reductions in brain atrophy and MTR changes with DMF relative to placebo did not reach statistical significance. CONCLUSIONS The robust effects on MRI active lesion counts and total lesion volume in patients with RRMS demonstrate the ability of DMF to exert beneficial effects on inflammatory lesion activity in multiple sclerosis, and support DMF therapy as a valuable new treatment option in RRMS. CLASSIFICATION OF EVIDENCE This study provides Class I evidence of reduction in brain lesion number and volume, as assessed by MRI, over 2 years of delayed-release DMF treatment.
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Affiliation(s)
- David H Miller
- From the Departments of Neuroinflammation (D.H.M., C.A.M.W.-K., D.J.T., D.G.M.) and Brain Repair and Rehabilitation (T.A.Y.), NMR Research Unit, Queen Square Multiple Sclerosis Centre; University College London Institute of Neurology (D.H.M., C.A.M.W.-K., D.J.T., D.G.M., T.A.Y.), UK; Mellen Center for Multiple Sclerosis Treatment and Research (R.J.F.), Cleveland Clinic, OH; Multiple Sclerosis Program (J.T.P.), Baylor Institute for Immunology Research, Dallas, TX; St. Vincent's University Hospital (M.H.), Elm Park, Donnybrook, Dublin, Ireland; Department of Neurology (E.H.), First Faculty of Medicine, Charles University, Prague, Czech Republic; Virginia Mason Medical Center (M.K.), Seattle, WA; CircleScience (M.G.), Tytherington, UK; and Biogen Idec Incorporated (M.Y., R.Z., V.V., K.T.D.), Weston, MA.
| | - Robert J Fox
- From the Departments of Neuroinflammation (D.H.M., C.A.M.W.-K., D.J.T., D.G.M.) and Brain Repair and Rehabilitation (T.A.Y.), NMR Research Unit, Queen Square Multiple Sclerosis Centre; University College London Institute of Neurology (D.H.M., C.A.M.W.-K., D.J.T., D.G.M., T.A.Y.), UK; Mellen Center for Multiple Sclerosis Treatment and Research (R.J.F.), Cleveland Clinic, OH; Multiple Sclerosis Program (J.T.P.), Baylor Institute for Immunology Research, Dallas, TX; St. Vincent's University Hospital (M.H.), Elm Park, Donnybrook, Dublin, Ireland; Department of Neurology (E.H.), First Faculty of Medicine, Charles University, Prague, Czech Republic; Virginia Mason Medical Center (M.K.), Seattle, WA; CircleScience (M.G.), Tytherington, UK; and Biogen Idec Incorporated (M.Y., R.Z., V.V., K.T.D.), Weston, MA
| | - J Theodore Phillips
- From the Departments of Neuroinflammation (D.H.M., C.A.M.W.-K., D.J.T., D.G.M.) and Brain Repair and Rehabilitation (T.A.Y.), NMR Research Unit, Queen Square Multiple Sclerosis Centre; University College London Institute of Neurology (D.H.M., C.A.M.W.-K., D.J.T., D.G.M., T.A.Y.), UK; Mellen Center for Multiple Sclerosis Treatment and Research (R.J.F.), Cleveland Clinic, OH; Multiple Sclerosis Program (J.T.P.), Baylor Institute for Immunology Research, Dallas, TX; St. Vincent's University Hospital (M.H.), Elm Park, Donnybrook, Dublin, Ireland; Department of Neurology (E.H.), First Faculty of Medicine, Charles University, Prague, Czech Republic; Virginia Mason Medical Center (M.K.), Seattle, WA; CircleScience (M.G.), Tytherington, UK; and Biogen Idec Incorporated (M.Y., R.Z., V.V., K.T.D.), Weston, MA
| | - Michael Hutchinson
- From the Departments of Neuroinflammation (D.H.M., C.A.M.W.-K., D.J.T., D.G.M.) and Brain Repair and Rehabilitation (T.A.Y.), NMR Research Unit, Queen Square Multiple Sclerosis Centre; University College London Institute of Neurology (D.H.M., C.A.M.W.-K., D.J.T., D.G.M., T.A.Y.), UK; Mellen Center for Multiple Sclerosis Treatment and Research (R.J.F.), Cleveland Clinic, OH; Multiple Sclerosis Program (J.T.P.), Baylor Institute for Immunology Research, Dallas, TX; St. Vincent's University Hospital (M.H.), Elm Park, Donnybrook, Dublin, Ireland; Department of Neurology (E.H.), First Faculty of Medicine, Charles University, Prague, Czech Republic; Virginia Mason Medical Center (M.K.), Seattle, WA; CircleScience (M.G.), Tytherington, UK; and Biogen Idec Incorporated (M.Y., R.Z., V.V., K.T.D.), Weston, MA
| | - Eva Havrdova
- From the Departments of Neuroinflammation (D.H.M., C.A.M.W.-K., D.J.T., D.G.M.) and Brain Repair and Rehabilitation (T.A.Y.), NMR Research Unit, Queen Square Multiple Sclerosis Centre; University College London Institute of Neurology (D.H.M., C.A.M.W.-K., D.J.T., D.G.M., T.A.Y.), UK; Mellen Center for Multiple Sclerosis Treatment and Research (R.J.F.), Cleveland Clinic, OH; Multiple Sclerosis Program (J.T.P.), Baylor Institute for Immunology Research, Dallas, TX; St. Vincent's University Hospital (M.H.), Elm Park, Donnybrook, Dublin, Ireland; Department of Neurology (E.H.), First Faculty of Medicine, Charles University, Prague, Czech Republic; Virginia Mason Medical Center (M.K.), Seattle, WA; CircleScience (M.G.), Tytherington, UK; and Biogen Idec Incorporated (M.Y., R.Z., V.V., K.T.D.), Weston, MA
| | - Mariko Kita
- From the Departments of Neuroinflammation (D.H.M., C.A.M.W.-K., D.J.T., D.G.M.) and Brain Repair and Rehabilitation (T.A.Y.), NMR Research Unit, Queen Square Multiple Sclerosis Centre; University College London Institute of Neurology (D.H.M., C.A.M.W.-K., D.J.T., D.G.M., T.A.Y.), UK; Mellen Center for Multiple Sclerosis Treatment and Research (R.J.F.), Cleveland Clinic, OH; Multiple Sclerosis Program (J.T.P.), Baylor Institute for Immunology Research, Dallas, TX; St. Vincent's University Hospital (M.H.), Elm Park, Donnybrook, Dublin, Ireland; Department of Neurology (E.H.), First Faculty of Medicine, Charles University, Prague, Czech Republic; Virginia Mason Medical Center (M.K.), Seattle, WA; CircleScience (M.G.), Tytherington, UK; and Biogen Idec Incorporated (M.Y., R.Z., V.V., K.T.D.), Weston, MA
| | - Claudia A M Wheeler-Kingshott
- From the Departments of Neuroinflammation (D.H.M., C.A.M.W.-K., D.J.T., D.G.M.) and Brain Repair and Rehabilitation (T.A.Y.), NMR Research Unit, Queen Square Multiple Sclerosis Centre; University College London Institute of Neurology (D.H.M., C.A.M.W.-K., D.J.T., D.G.M., T.A.Y.), UK; Mellen Center for Multiple Sclerosis Treatment and Research (R.J.F.), Cleveland Clinic, OH; Multiple Sclerosis Program (J.T.P.), Baylor Institute for Immunology Research, Dallas, TX; St. Vincent's University Hospital (M.H.), Elm Park, Donnybrook, Dublin, Ireland; Department of Neurology (E.H.), First Faculty of Medicine, Charles University, Prague, Czech Republic; Virginia Mason Medical Center (M.K.), Seattle, WA; CircleScience (M.G.), Tytherington, UK; and Biogen Idec Incorporated (M.Y., R.Z., V.V., K.T.D.), Weston, MA
| | - Daniel J Tozer
- From the Departments of Neuroinflammation (D.H.M., C.A.M.W.-K., D.J.T., D.G.M.) and Brain Repair and Rehabilitation (T.A.Y.), NMR Research Unit, Queen Square Multiple Sclerosis Centre; University College London Institute of Neurology (D.H.M., C.A.M.W.-K., D.J.T., D.G.M., T.A.Y.), UK; Mellen Center for Multiple Sclerosis Treatment and Research (R.J.F.), Cleveland Clinic, OH; Multiple Sclerosis Program (J.T.P.), Baylor Institute for Immunology Research, Dallas, TX; St. Vincent's University Hospital (M.H.), Elm Park, Donnybrook, Dublin, Ireland; Department of Neurology (E.H.), First Faculty of Medicine, Charles University, Prague, Czech Republic; Virginia Mason Medical Center (M.K.), Seattle, WA; CircleScience (M.G.), Tytherington, UK; and Biogen Idec Incorporated (M.Y., R.Z., V.V., K.T.D.), Weston, MA
| | - David G MacManus
- From the Departments of Neuroinflammation (D.H.M., C.A.M.W.-K., D.J.T., D.G.M.) and Brain Repair and Rehabilitation (T.A.Y.), NMR Research Unit, Queen Square Multiple Sclerosis Centre; University College London Institute of Neurology (D.H.M., C.A.M.W.-K., D.J.T., D.G.M., T.A.Y.), UK; Mellen Center for Multiple Sclerosis Treatment and Research (R.J.F.), Cleveland Clinic, OH; Multiple Sclerosis Program (J.T.P.), Baylor Institute for Immunology Research, Dallas, TX; St. Vincent's University Hospital (M.H.), Elm Park, Donnybrook, Dublin, Ireland; Department of Neurology (E.H.), First Faculty of Medicine, Charles University, Prague, Czech Republic; Virginia Mason Medical Center (M.K.), Seattle, WA; CircleScience (M.G.), Tytherington, UK; and Biogen Idec Incorporated (M.Y., R.Z., V.V., K.T.D.), Weston, MA
| | - Tarek A Yousry
- From the Departments of Neuroinflammation (D.H.M., C.A.M.W.-K., D.J.T., D.G.M.) and Brain Repair and Rehabilitation (T.A.Y.), NMR Research Unit, Queen Square Multiple Sclerosis Centre; University College London Institute of Neurology (D.H.M., C.A.M.W.-K., D.J.T., D.G.M., T.A.Y.), UK; Mellen Center for Multiple Sclerosis Treatment and Research (R.J.F.), Cleveland Clinic, OH; Multiple Sclerosis Program (J.T.P.), Baylor Institute for Immunology Research, Dallas, TX; St. Vincent's University Hospital (M.H.), Elm Park, Donnybrook, Dublin, Ireland; Department of Neurology (E.H.), First Faculty of Medicine, Charles University, Prague, Czech Republic; Virginia Mason Medical Center (M.K.), Seattle, WA; CircleScience (M.G.), Tytherington, UK; and Biogen Idec Incorporated (M.Y., R.Z., V.V., K.T.D.), Weston, MA
| | - Mary Goodsell
- From the Departments of Neuroinflammation (D.H.M., C.A.M.W.-K., D.J.T., D.G.M.) and Brain Repair and Rehabilitation (T.A.Y.), NMR Research Unit, Queen Square Multiple Sclerosis Centre; University College London Institute of Neurology (D.H.M., C.A.M.W.-K., D.J.T., D.G.M., T.A.Y.), UK; Mellen Center for Multiple Sclerosis Treatment and Research (R.J.F.), Cleveland Clinic, OH; Multiple Sclerosis Program (J.T.P.), Baylor Institute for Immunology Research, Dallas, TX; St. Vincent's University Hospital (M.H.), Elm Park, Donnybrook, Dublin, Ireland; Department of Neurology (E.H.), First Faculty of Medicine, Charles University, Prague, Czech Republic; Virginia Mason Medical Center (M.K.), Seattle, WA; CircleScience (M.G.), Tytherington, UK; and Biogen Idec Incorporated (M.Y., R.Z., V.V., K.T.D.), Weston, MA
| | - Minhua Yang
- From the Departments of Neuroinflammation (D.H.M., C.A.M.W.-K., D.J.T., D.G.M.) and Brain Repair and Rehabilitation (T.A.Y.), NMR Research Unit, Queen Square Multiple Sclerosis Centre; University College London Institute of Neurology (D.H.M., C.A.M.W.-K., D.J.T., D.G.M., T.A.Y.), UK; Mellen Center for Multiple Sclerosis Treatment and Research (R.J.F.), Cleveland Clinic, OH; Multiple Sclerosis Program (J.T.P.), Baylor Institute for Immunology Research, Dallas, TX; St. Vincent's University Hospital (M.H.), Elm Park, Donnybrook, Dublin, Ireland; Department of Neurology (E.H.), First Faculty of Medicine, Charles University, Prague, Czech Republic; Virginia Mason Medical Center (M.K.), Seattle, WA; CircleScience (M.G.), Tytherington, UK; and Biogen Idec Incorporated (M.Y., R.Z., V.V., K.T.D.), Weston, MA
| | - Ray Zhang
- From the Departments of Neuroinflammation (D.H.M., C.A.M.W.-K., D.J.T., D.G.M.) and Brain Repair and Rehabilitation (T.A.Y.), NMR Research Unit, Queen Square Multiple Sclerosis Centre; University College London Institute of Neurology (D.H.M., C.A.M.W.-K., D.J.T., D.G.M., T.A.Y.), UK; Mellen Center for Multiple Sclerosis Treatment and Research (R.J.F.), Cleveland Clinic, OH; Multiple Sclerosis Program (J.T.P.), Baylor Institute for Immunology Research, Dallas, TX; St. Vincent's University Hospital (M.H.), Elm Park, Donnybrook, Dublin, Ireland; Department of Neurology (E.H.), First Faculty of Medicine, Charles University, Prague, Czech Republic; Virginia Mason Medical Center (M.K.), Seattle, WA; CircleScience (M.G.), Tytherington, UK; and Biogen Idec Incorporated (M.Y., R.Z., V.V., K.T.D.), Weston, MA
| | - Vissia Viglietta
- From the Departments of Neuroinflammation (D.H.M., C.A.M.W.-K., D.J.T., D.G.M.) and Brain Repair and Rehabilitation (T.A.Y.), NMR Research Unit, Queen Square Multiple Sclerosis Centre; University College London Institute of Neurology (D.H.M., C.A.M.W.-K., D.J.T., D.G.M., T.A.Y.), UK; Mellen Center for Multiple Sclerosis Treatment and Research (R.J.F.), Cleveland Clinic, OH; Multiple Sclerosis Program (J.T.P.), Baylor Institute for Immunology Research, Dallas, TX; St. Vincent's University Hospital (M.H.), Elm Park, Donnybrook, Dublin, Ireland; Department of Neurology (E.H.), First Faculty of Medicine, Charles University, Prague, Czech Republic; Virginia Mason Medical Center (M.K.), Seattle, WA; CircleScience (M.G.), Tytherington, UK; and Biogen Idec Incorporated (M.Y., R.Z., V.V., K.T.D.), Weston, MA
| | - Katherine T Dawson
- From the Departments of Neuroinflammation (D.H.M., C.A.M.W.-K., D.J.T., D.G.M.) and Brain Repair and Rehabilitation (T.A.Y.), NMR Research Unit, Queen Square Multiple Sclerosis Centre; University College London Institute of Neurology (D.H.M., C.A.M.W.-K., D.J.T., D.G.M., T.A.Y.), UK; Mellen Center for Multiple Sclerosis Treatment and Research (R.J.F.), Cleveland Clinic, OH; Multiple Sclerosis Program (J.T.P.), Baylor Institute for Immunology Research, Dallas, TX; St. Vincent's University Hospital (M.H.), Elm Park, Donnybrook, Dublin, Ireland; Department of Neurology (E.H.), First Faculty of Medicine, Charles University, Prague, Czech Republic; Virginia Mason Medical Center (M.K.), Seattle, WA; CircleScience (M.G.), Tytherington, UK; and Biogen Idec Incorporated (M.Y., R.Z., V.V., K.T.D.), Weston, MA
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Arnold DL, Gold R, Kappos L, Bar-Or A, Giovannoni G, Selmaj K, Yang M, Zhang R, Stephan M, Sheikh SI, Dawson KT. Effects of delayed-release dimethyl fumarate on MRI measures in the Phase 3 DEFINE study. J Neurol 2014; 261:1794-802. [PMID: 24989666 PMCID: PMC4155185 DOI: 10.1007/s00415-014-7412-x] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2014] [Revised: 06/09/2014] [Accepted: 06/10/2014] [Indexed: 11/03/2022]
Abstract
In the Phase 3 DEFINE study, delayed-release dimethyl fumarate (DMF) 240 mg twice (BID) and three times daily (TID) significantly reduced the mean number of new or enlarging T2-hyperintense lesions and gadolinium-enhancing (Gd+) lesion activity at 2 years in patients (MRI cohort; n = 540) with relapsing-remitting MS. The analyses described here expand on these results by considering additional MRI measures (number of T1-hypointense lesions; volume of T2-hyperintense, Gd+, and T1-hypointense lesions; brain atrophy), delineating the time course of the effects, and examining the generality of the effects across a diverse patient population. Reductions in lesion counts with delayed-release DMF BID and TID, respectively, vs. placebo were apparent by the first MRI assessment at 6 months [T2-hyperintense: 80 and 69 % reduction (both P < 0.0001); Gd+, 94 and 81 % reduction (both P < 0.0001); T1-hypointense: 58 % (P < 0.0001) and 48 % (P = 0.0005) reduction] and maintained at 1 and 2 years. Reductions in lesion volume were statistically significant beginning at 6 months for T2-hyperintense [P = 0.0002 (BID) and P = 0.0035 (TID)] and Gd+ lesions [P = 0.0059 (BID) and P = 0.0176 (TID)] and beginning at 1 year [P = 0.0126 (BID)] to 2 years [P = 0.0063 (TID)] for T1-hypointense lesions. Relative reductions in brain atrophy from baseline to 2 years (21 % reduction; P = 0.0449) and 6 months to 2 years (30 % reduction; P = 0.0214) were statistically significant for delayed-release DMF BID. The effect of delayed-release DMF on mean number of new or enlarging T2-hyperintense lesions and Gd+ lesion activity was consistent across pre-specified patient subpopulations. Collectively, these results suggest that delayed-release DMF favorably affects multiple aspects of MS pathophysiology.
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