Study Status: Terminated
Recruit Status: Terminated
Study Type: Interventional
Official Title: A Phase 3, Single-Blind Study to Evaluate the Effect of Eleclazine (GS-6615) on Shortening of the QT Interval, Safety, and Tolerability in Subjects With Long QT Syndrome T
Brief Summary: This study will evaluate the effect of eleclazine on shortening of the corrected QT interval (QTc), safety, and tolerability in adults with type 3 long QT syndrome (LQT3). During the single-blind treatment period (24 weeks), participants will receive eleclazine and/or eleclazine placebo. Following the single-blind treatment period, participants who have not permanently discontinued study drug will be eligible, at the discretion of the investigator, to continue receiving eleclazine during an open-label extension phase.