Calmodulinopathies: the need for a registry

Area of Science:

• Cardiology
• Genetics
• Molecular Biology

Background:

• Calmodulinopathies are rare genetic disorders linked to sudden cardiac death.
• They cause severe long QT syndrome, catecholaminergic polymorphic ventricular tachycardia, and idiopathic ventricular fibrillation.
• Current knowledge relies on limited data from the International Calmodulinopathy Registry (ICamR).

Purpose of the Study:

• To address the slow patient accrual in the ICamR.
• To gather sufficient data for comprehensive genotype-phenotype correlation.
• To improve risk stratification and therapeutic management strategies for calmodulinopathy patients.

Main Methods:

• A global call for physician participation in the International Calmodulinopathy Registry (ICamR).
• Encouraging enrollment of all calmodulinopathy cases, including isolated instances.
• Leveraging existing expertise from long QT syndrome research initiatives.

Main Results:

• Patient accrual in the ICamR is currently insufficient for robust analysis.
• Limited data hinders the definition of the full clinical spectrum and genotype-phenotype correlations.
• Progress in understanding and managing calmodulinopathies is significantly delayed.

Conclusions:

• Increased patient enrollment in the ICamR is urgently needed.
• Expanded registry data is essential for advancing calmodulinopathy research.
• Collaborative global efforts are required to improve patient outcomes.