- has either QTcF prolongation (> 470 ms for female and > 450 ms for male), a known history of QTcF prolongation or Torsade de Pointes; or is on drugs that are required for existing medical conditions and that may result in QT prolongation (e.g., anti-arrhythmic drugs); patients who use medications that have a minimal impact on the QTcF interval in the Arizona-CERT criteria are allowed to participate in this study at Investigator's discretion based on his/her clinical assessment);