Hereditary Transthyretin-Mediated Amyloid Polyneuropathy: ION-682884 Study

We are assessing the long-term safety and effectiveness of ION-682884 in patients with hereditary transthyretin-mediated amyloid polyneuropathy. This study aims to understand how well the treatment works over time.

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 active substances are being studied?

Active substances that are officially approved for use in the European Union and considered safe by EMA. These substances are already on the market and may be tested for new conditions or populations.

Eplontersen Sodium
Eplontersen sodium lowers transthyretin protein levels to treat transthyretin amyloidosis that affects nerves and the heart.

What experimental substances are being tested?

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

Ion 682884

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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The Cyprus Foundation For Muscular Dystrophy Research
Neuroepidemiology Department
Ágios Dométios, Cyprus
Centre Hospitalier Universitaire De Toulouse
Neurology
Blagnac, France
Bicetre Hospital
Neurology
Croulebarbe, France

Sponsor: Ionis Pharmaceuticals Inc.
Last updated: Nov 26, 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.