Pelizaeus-Merzbacher Disease: ION356 Treatment Study

We are evaluating the safety of ION356, a new treatment for Pelizaeus-Merzbacher Disease. This study will help us understand how well the treatment is tolerated when administered directly into the spinal fluid.

What diseases are being studied?

Health conditions and diseases that the clinical trial is designed to study and treat.

Who can participate in the clinical trial?

These questions help us understand your situation so we can let the trial team know whether you might be a potential match. This is not a medical evaluation and is not part of the official screening, the study doctor will make the final decision..

What experimental substances are being tested?

Experimental substances that are being investigated in this clinical trial. These are not yet approved for general use.

Ion356
Modified Antisense Oligonucleotide

Where is the clinical trial being conducted?

Locations and medical facilities where this clinical trial is currently recruiting or conducting research. Select the locations where you would like to participate.

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Bicetre Hospital
neurologie pédiatrique
Croulebarbe, France
Universitaetsmedizin Goettingen
Klinik für Kinder- und Jugendmedizin
Göttingen, Germany
Amsterdam UMC
Child Neurology
Amstelveen, Netherlands
Sponsor: Ionis Pharmaceuticals Inc.
Last updated: Nov 27, 2025

Disclaimer: Parts of this content have been automatically extracted from the EU Clinical Trials registry. While we strive for accuracy, please always contact the trial site or sponsor directly for correct and official information before making any decisions about participation. View on EU Clinical Trials.