Study Investigating the Effect of Idalopirdine on Cardiac Repolarisation in Healthy Men

Inclusion Criteria: * Body weight at least 50 kg and Body Mass index \>18.5 and \< 30 kg/m2 * Good general health ascertained by a detailed medical history, laboratory tests and physical examination * Use of contraception. Exclusion Criteria: * The subject has evidence of cardiac conduction abnormalities as calculated by the ECG equipment and evaluated by the investigator, at the Screening Visit or at the Baseline visit * The subject has a history of long QT syndrome, history of cardiac arrhythmia, or history of cardiac disease (eg, coronary artery disease, valvular disease, etc.). Other protocol defined inclusion and exclusion criteria do apply