Long Term Prophylactic Therapy of Congenital Long QT Syndrome Type III (LQT3) With Ranolazine May 27, 2020checkorphan Learn more about: Long QT syndrome type 3 Related Clinical Trial Effect of Eleclazine on Shortening of the QT Interval, Safety, and Tolerability in Adults With Long QT Syndrome Type 3 Long Term Prophylactic Therapy of Congenital Long QT Syndrome Type III (LQT3) With Ranolazine Recruitment InformationAdministrative Informations