Andersen-Tawil Syndrome: Flecainide Therapy Study

We are exploring whether flecainide alone or in combination with other medications is more effective for managing heart rhythm issues in patients with Andersen-Tawil syndrome and multifocal ectopic contractions.

≤3 months 6-10 visits Monitoring phase (IV)No Placebo Partially Remote Standard Medicines OralCardiology

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 medicines are being studied?

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

Bisoprolol

Bisoprolol is a medicine used to lower blood pressure and to treat certain heart problems such as heart failure and chest pain.

Bisoprolol Fumarate

Bisoprolol Fumarate is a medicine used to treat high blood pressure and some heart conditions by slowing the heart and reducing its workload.

Nebivolol

Nebivolol is a medicine used to lower high blood pressure and help protect the heart.

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.

Atenolol

Atenolol is a substance that helps lower high blood pressure and reduces strain on the heart.

Bisoprolol

Bisoprolol is a substance that helps lower high blood pressure and reduces strain on the heart.

Bisoprolol Fumarate

Bisoprolol fumarate is a substance that helps lower high blood pressure and reduce strain on the heart.

What similar medicines might you know?

Don't worry if you don't know the medicines tested in the trial. There is a chance you have heard about the similar medicines. Check the list below to see if you are familiar with any of them.

Acebis

Akilen

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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Amsterdam UMC

Cardiology

Amstelveen, Netherlands

Sponsor: Amsterdam UMC

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.