Rare side effects of alemtuzumab remind us of the need for postmarketing surveillance
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Current therapeutics for multiple sclerosis (MS) include powerful agents targeting mediators of inflammation. Among them, the pan-lymphocyte–depleting anti-CD52 monoclonal antibody alemtuzumab is licensed to treat relapsing forms of MS on the basis of trial results demonstrating its efficacy compared to interferon β-1a and acceptable safety,1,2 despite the frequent occurrence (30%–35% of patients) of secondary autoimmunity. These clinical trials, alongside single-center, long-term follow-up cohorts3,4 have likely captured most of the major adverse effects in those patient groups. However, rare and late adverse events are often identified only during postmarketing surveillance.
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Letters: Rapid online correspondence
- Author response to Whiteside et al.
- Paolo A. Muraro, Professor of Neurology, Neuroimmunology, and Immunotherapy & Consultant Neurologist, Imperial College London
- Neil J. Scolding, Professor of Neurology, University of Bristol Institute of Clinical Neurosciences
- Robert J. Fox, Staff Neurologist at the Mellen Center for Multiple Sclerosis & Vice-Chair for Research, Cleveland Clinic (OH)
Submitted August 10, 2018 - Rare side effects of alemtuzumab
- David J. Whiteside, Neurology Resident, Northwick Park Hospital (Harrow, UK)
- S. Anand Trip, Consultant Neurologist, Northwick Park Hospital (Harrow, England); Queen Square MS Centre, National Hospital for Neurology/Neurosurgery (London)
Submitted July 26, 2018
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