Related Experiment Video
Updated: May 11, 2026

Determining Immune System Suppression versus CNS Protection for Pharmacological Interventions in Autoimmune Demyelination
Published on: September 12, 2016
Natalizumab therapy for multiple sclerosis
Tobias Derfuss1, Jens Kuhle, Raija Lindberg
1Department of Neurology, University Hospital Basel, Basel, Switzerland. tobias.derfuss@usb.ch
Natalizumab effectively treats relapsing remitting multiple sclerosis by blocking lymphocyte migration to the CNS. However, potential risks like progressive multifocal leukoencephalopathy (PML) require careful patient monitoring and risk stratification.
Area of Science:
- Neuroimmunology
- Pharmacology
Background:
- Natalizumab is a monoclonal antibody targeting lymphocyte migration into the central nervous system (CNS).
- It has demonstrated significant efficacy in treating relapsing remitting multiple sclerosis (RRMS).
Purpose of the Study:
- To review the efficacy and safety profile of natalizumab in RRMS treatment.
- To discuss adverse events, particularly progressive multifocal leukoencephalopathy (PML), and risk management strategies.
Main Methods:
- Review of clinical trial data and postmarketing surveillance of natalizumab in RRMS patients.
- Analysis of safety data, focusing on adverse events and PML risk stratification algorithms.
Main Results:
- Natalizumab shows excellent efficacy in RRMS, with some patients experiencing disease improvement.
- Potential adverse events include allergic reactions, infections, and a critical risk of PML.
- Risk stratification and management strategies for PML are crucial.
Conclusions:
- Natalizumab is a highly effective treatment for RRMS, but its use necessitates careful consideration of serious risks, especially PML.
- Risk assessment, patient monitoring, and management strategies are essential for safe natalizumab therapy.
- Guidance on initiating, continuing, or discontinuing natalizumab, and managing treatment cessation is provided.
Related Concept Videos
Multiple Sclerosis l: Introduction
Drugs for Treatment of Crohn's Disease in IBD Using Biologic Agents: Anti-TNF
Myasthenia Gravis: Overview and Treatment
These antibodies interfere with the function of the nicotinic receptors in three ways: by binding to the receptor and disrupting acetylcholine binding; by causing cross-linking of receptors which leads...
Drugs for Treatment of Crohn's Disease in IBD Using Immunomodulatory Agents
Chemotherapy-Induced Nausea and Vomiting: Neurokinin-1 Receptor Antagonists
Antiepileptic Drugs: Potassium Channel Activators
Ezogabine has gained approval as an adjunctive treatment...

