The purpose of this study is to test the safety of the study drug, AAVrh.10hFXN, which is an adeno-associated virus serotype rh10 gene transfer vector and see what effects it has to treat the cardiomyopathy associated with Friedreich’s ataxia (FA). The study also aims to find the highest dose of the study drug that can be given without causing severe side effects.
AAVrh.10hFXN is considered experimental, which means it has not yet been approved by the U.S. Food and Drug Administration (FDA).