Related Experiment Video
Updated: Oct 5, 2026

Induction of Paralysis and Visual System Injury in Mice by T Cells Specific for Neuromyelitis Optica Autoantigen Aquaporin-4
Published on: August 21, 2017
Three cases of herpes zoster radiculitis in MS patients treated with natalizumab
Bassem I Yamout1, Nuhad Abou Zeid1, Ali J Taha1
1Nehme and Therese Tohme Multiple Sclerosis Center, Department of Neurology, American University of Beirut Medical Center, Beirut, Lebanon.
Abstract:
Natalizumab was the first FDA-approved monoclonal antibody for the treatment of multiple sclerosis (MS). We report on 3 natalizumab-treated patients who developed herpes zoster infections. In addition to progressive multifocal leukoencephelopathy, other opportunistic infections have been rarely reported during Natalizumab treatment. We believe that clinicians need heightened awareness of these infections in view of the risks of serious complications.
Insights
Natalizumab, a multiple sclerosis treatment, has been linked to rare herpes zoster infections in patients. Clinicians should monitor for these opportunistic infections during treatment.
Area of Science:
- Neurology
- Immunology
Background:
- Natalizumab is an FDA-approved monoclonal antibody therapy for multiple sclerosis (MS).
- While effective, natalizumab treatment carries risks of opportunistic infections, including progressive multifocal leukoencephalopathy (PML).
Observation:
- Three cases of herpes zoster infections were observed in patients receiving natalizumab for MS.
- Herpes zoster is a rare but serious opportunistic infection reported in patients on natalizumab therapy.
Findings:
- The study highlights herpes zoster as a potential opportunistic infection associated with natalizumab treatment in multiple sclerosis patients.
- These findings suggest a need for increased vigilance regarding infections during natalizumab therapy.
Implications:
- Clinicians treating multiple sclerosis patients with natalizumab require heightened awareness of herpes zoster risks.
- Early detection and management of opportunistic infections like herpes zoster are crucial for patient safety during natalizumab therapy.
Related Concept Videos
Herpes
Chickenpox
Arboviral Encephalitis
Genital Herpes
Multiple Sclerosis l: Introduction
Herniated Intervertebral Disc l: Introduction
